Metal Detector

METARIDDER MS Series
User’s Manual
MS-J (01) / 202308

Saika Technological Institute Foundation

Introduction
Thank you for purchasing the metal detector METARIDDER MS Series (hereinafter referred to as themachine).
Read this manual before and during the operation to use the machine properly.

 Symbols used in this manual ················· 1
 Safety Precautions ······························ 1
 Notes on the Operation ························ 3
 Warning labels and product label············ 4 Names and functions of various sectionsof the machine ··································· 61

Basic Information

1.1 Detection & Discharge············· 1-2
1.1.1 Detection Principle············ 1-2
1.1.2 Detection Sensitivity·········· 1-3
1.1.3 Discharge ······················· 1-4

2

Using the Machine

2.1 Running & Stopping ················ 2-2
2.1.1 Running ························· 2-2
2.1.2 Stopping························· 2-3

3

Maintenance

3.1 Routine Inspection ················· 3-2
3.1.1 Functional Check ofDischarge Damper············ 3-2
3.1.2 Checking the CircuitProtector ························ 3-2
3.1.3 Functional Check Using a
Test Piece······················· 3-3
3.1.4 Functional Check of Cooling
Unit Cooling Fan ·············· 3-3
3.2 Routine Cleaning ··················· 3-4
3.3 Adjusting the Sensor Sensitivity(Threshold) ··························· 3-6

4

Troubleshooting

4.1 Major Symptoms ···················· 4-2
4.2 Troubleshooting ····················· 4-3
4.2.1 The power is not suppliedeven if the main circuit
breaker is switched ON ······ 4-3
4.2.2 The sensor lamp isalways ON ······················ 4-3
4.2.3 The discharge damper is not
activated even if a test piece(optional) is fed ················ 4-4
4.2.4 The discharge damper isactivated frequently or there
is too much material
discharged improperly········ 4-5

5Specifications

5.1 Product Specifications ············· 5-2
5.1.1 Machine Specifications ······ 5-2
5.1.2 Specifications of Options ···· 5-3
5.2 Machine Dimensions ··············· 5-4
5.2.1 Standard Model ················ 5-4
5.2.2 Machine with Options ········ 5-5

6
6.1
6.2

Warranty and Customer
SupportWarranty Information ············· 6-2
Inquiries & Consultations on the
Product ································ 6-2

Metal Detector

METARIDDER Symbols used in this manual
Following symbols are used in this manual. Please understand the meaning of each symbol in using themachine.
Indication

Significance

WARNING Neglect of warnings may result in the death or serious injury of the operator.
CAUTION
Important

Neglect of cautions may result in a minor injury of the operator or a property
damage.
Things to be observed and precautions in handling the machine.
Supplementary information and hints.

 Safety Precautions<Warnings>
WARNING












Do not disassemble or modify the machine.
May result in an injury or a machine failure.
Stop the operation if there was a smoke, abnormal odor or abnormal
noise.
Continued use may cause a fire. Turn OFF the main circuit breaker
immediately and then turn OFF the primary power supply as well. If a powerplug is provided, pull out the plug from the outlet.
Contact SAIKA or the place of purchase for assistance.
Always use the machine at the rated voltage.
Using the machine at an improper voltage may cause a fire or the operator tosuffer an electrical shock.
Be careful in handling the power cable.
Do not pull the cable, put heavy objects on the cable or place heat sourcenear the cable. Doing so may damage the cable, causing a fire or electric
shock to the operator.
Do not reach into the interiors of machine by opening the maintenancedoor during cleaning or inspection with the power supplied.
Always turn OFF the main circuit breaker.
If a plug is provided, pull out the plug from the power outlet.
Unexpected operation of the machine may cause an injury or electric shock.
Do not touch the power plug with a wet hand. (For a machine with aplug)
Touching it with a wet hand may result in the operator suffering an electric
shock.

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METARIDDER<Cautions>
CAUTIONThe machine is assembled with precision. Do not expose it to excessive
vibrations and/or mechanical impacts.
Use the machine at a voltage conforming to the power supply
specification.
Using the machine at a voltage no supported may cause the machine to failor be damaged.
Avoid using the machine under a high temperature and humidity.
Operating ambient temperature 5 to 40°C/ Operating ambient humidity 45 to
85 %RH* There should be no dew formation.
If the machine is not going to be used for a prolonged period, always
turn OFF the main circuit breaker and the power supply.
If a plug is provided, pull out the plug from the power outlet.

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METARIDDER Notes on the Operation[1] This machine has been adjusted to detect and remove metal pieces mixed in virgin plastic pellets
and/or pulverized plastic materials. To use the machine for other materials or other purposed,
consult us in advance.
[2] Install the machine horizontally so that the materials loaded will fall freely through the metal
detector unit (hereinafter referred to as the sensor).
[3] If there is a concern of malfunction due to the influence of vibration and/or noise in the operation
site, the user may be requested to change the sensor sensibility as necessary (reduce thesensibility). Please understand that the performance of metal piece detection may not satisfy the
specifications in such instances.
[4] Always clean the machine before changing the materials to be loaded. Materials remaining in or
adhered to the interiors of machine may be mixed in the material loaded next. However, note thatflushing the machine with water is strictly prohibited.
[5] The ceramic materials used within the sensor may break due to an impact. In cleaning themachine, be extra careful not to clean the ceramic materials with a metal rod or metal brush or
apply impacts by poking or rubbing them.
[6] Do not disassemble the metal detector under any circumstance since it is enclosed in a metallic
housing and assembled with precision, including the countermeasure against noises.
Note that disassembling the metal detector will void the product warranty and will make it difficult
for SAIKA to respond to requests for maintenance services thereafter.
[7] Ensure to supply the power to the machine from a dedicated power supply. Note that supplying thepower from other devices (such as a molding machine) may cause malfunctions due to noises.
[8] In installing the machine, ensure to provide a grounding (Class D grounding). Otherwise,
malfunctions may occur.
Be warned that SAIKA will not be held liable for troubles other than accidents caused directly by
this machine.

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METARIDDER Warning labels and product label
Warning labels

1: Maintenance door

2: Inside the control
panel

4: Bridge prevention unit (optional)

3: Inside thecontrol panel

5: Transformer (optional)
6: Option box (optional)

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METARIDDERNo.

WARNING
In opening and closing the maintenance door or
cleaning the hopper, be extra careful not to have thehand trapped.

1
4

Pinching
fingers2
5
6Electric shock

Be extra careful not to suffer an electric shock.

3

Electric shock

Be extra careful not to suffer an electric shock.

Product label

Standard (100 VAC model)

Models for different power supply voltages(optional)

5

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METARIDDER Names and functions of various sections of the machine
5
1

7

8

2

9

3

6

10

4

11 (optional)
Standard modelStandard model

12 (optional)(With the control unit door/maintenance door open)

16 (optional)

17 (optional)
18 (optional)
19 (optional)

13 (optional)
20
21

14 (optional)

15 (optional)

Machine with options

Inside the machine(image of sectional view)

6Metal Detector

METARIDDER
No.

Name

Function

1

Power lamp

The green lamp will illuminate if the circuit is energized.

2

Control unit door

This is a door that is opened and closed in operating the main
circuit breaker or performing the sensitivity adjustment.

3

Maintenance door

This is a door that is opened and closed for cleaning thedamper and interiors of frame.

4

Circuit protector

Protects against overcurrent on the solenoid for operating thedischarge damper.
* For user operation

5

Sensor lamp

Indicates the sensor condition. (Always ON: Sensor error)

6

Discharge chute

The discharge port for metal pieces.

7

Main circuit breakerTurns ON and OFF the main power supply for the machine.
* For user operation

8

Sensitivity control variable
resistor

A variable resistor for adjusting the sensor sensitivity(threshold).
* For user operation

9

Control circuit board

Controls the machine.

10

Discharge damper

Sends metal pieces detected and the material (pellets, etc.) to
the discharge chute.

11
12
13
14
15

16

17
18
19

Safety switch(optional)

Bridge prevention unit
(optional)

Option box(optional)

Counter(optional)

Transformer(optional)

Light tower(optional)

Upper hopper(optional)

Cooling unit/air discharge side
(optional)

Cooling unit/air intake side
(optional)

Stops the discharge damper operation if the maintenance door
was opened.
Assists the supply of materials which do not flow easily.
Contains components of light tower (optional).
Displays the number of damper activations made by detecting
metal pieces.
Installed on models operating at different voltages (other than
100 VAC).
Indicates the machine status.
Green light ON: Normal, Yellow light ON: Metal detected, Red
light ON: Error
The loading port for the material.
The louver for ventilation.
Cools the interiors of sensor housing with a cooling fan.

20

Sensor unit

A sensor for detecting metals.

21

Lead pipe

The material runs through this pipe.
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METARIDDER

1
Basic Information
1.1

Detection & Discharge ··········································· 1-2
1.1.1 Detection Principle ······································ 1-2
1.1.2 Detection Sensitivity ···································· 1-3
1.1.3 Discharge ·················································· 1-4

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METARIDDER
1.1 Detection & Discharge
1.1.1

Detection Principle

This machine realizes a higher level of metal detection by incorporating a proprietary “Dielectric Loss
Isolated High Frequency Oscillation method sensor.”
As a metal piece approaches the magnetic field A, which is generated by the sensor, an eddy current
runs on the metal surface and the magnetic field B will be generated in the opposite direction to cancel
the magnetic field A. The sensor detects the disturbance in the magnetic field (sensor waveform)
caused by the magnetic field B, and, if the strength of magnetic field exceeds the predefined detection
sensitivity (threshold), it is determined as a metal.

 Conceptual image: Sensor unit
Material
Metal piece

Magnetic field B generated by
the approaching metal piece(opposite to A)

Magnetic field A generated by
the sensor

Sensor coilInternal pipe of the sensor(ceramic)

 Conceptual image: Sensor waveform and sensor sensitivity (threshold)
Metal piece detected
Sensor sensitivity (threshold)Sensor waveform

Detection level(the signal sent by the sensor)

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METARIDDER
1.1.2

Detection Sensitivity

Depending on the position in the sensor, the level of sensor waveform varies even if the same metal
piece was run.
The sensor waveform level will be higher closer to the sensor coil and the level decreases as the
distance from the coil increases. Therefore, the detection sensitivity is the highest on the wall, which isthe closest to the sensor coil, and it is weakest at the center, which is farthest from the coil.
Center area

Sensor unit
Sensor coil

Sensor wall(close to the sensor coil)

The level of sensor waveform is highest.
(The detection sensitivity is the highest.)

Center of sensor(far from the sensor coil)

The level of sensor waveform is lowest.
(The detection sensitivity is the lowest.)

ImportantWall

The detection performance indicated in the machine specifications is determinedby using the center of sensor (the area in which the detection sensitivity is thelowest) as a reference.

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METARIDDER
1.1.3

Discharge

The discharge damper will be activated if the sensor detects a metal piece.
The metal piece detected by the sensor will be discharged by the discharge damper together with thematerials surrounding it.
[Detection][Discharge]
Material

Metal piece

Sensor unit

Detection

Discharge
damper
Discharge

Good material

Defective material(metal piece and surrounding materials)

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METARIDDER

2
Using the Machine
2.1

Running & Stopping ·············································· 2-2
2.1.1 Running ···················································· 2-2
2.1.2 Stopping···················································· 2-3

2-1

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METARIDDER
2.1 Running & Stopping
2.1.1

Running[Operation]
Turn ON the main circuit breaker.

OFF

ImportantON

In about 60 seconds after turning ON the main circuit breaker, the sensor will
be stable.
Ensure to wait for at least 60 seconds before loading the material.

[Condition] The power lamp will illuminate in green.
If the light tower (optional) is provided, the green light will turn ON.

Light tower(optional)

Power lamp

2-2Metal Detector

METARIDDER In about 30 seconds after turning ON the main circuit breaker, the discharge damper will move to thestandby position.
In addition, the discharge damper will be retained at (returned to) the standby position every 30
seconds during the operation. (The buzzer will beep.)Standby position

Discharge position
To thestandbyposition inabout 30
seconds

 Once the sensor detects a metal piece, following operations will be performed.
 The discharge damper starts the discharging operation.
 If a counter (optional) is provided, the number of discharge damper activation will be incremented.
 If a light tower (optional) is provided, the yellow light will turn ON.

2.1.2

Stopping[Operation]
Turn OFF the main circuit breaker.
[Condition] The power lamp will turn OFF.
If the light tower (optional) is provided, the light will go OFF.
 The discharge damper will move to the discharge position.

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METARIDDER

3
Maintenance
3.1

Routine Inspection ················································ 3-2
3.1.1 Functional Check of Discharge Damper ··········· 3-2
3.1.2 Checking the Circuit Protector ······················· 3-2
3.1.3 Functional Check Using a Test Piece ·············· 3-3
3.1.4 Functional Check of Cooling Unit Cooling Fan ·· 3-3

3.2

Routine Cleaning ·················································· 3-4

3.3

Adjusting the Sensor Sensitivity (Threshold) ·············· 3-6

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METARIDDER
3.1 Routine Inspection
In order to use the machine in an optimum condition, it is recommended to perform inspections
routinely before loading the material or switching the material.

3.1.1

Functional Check of Discharge Damper
WARNING Perform this check after turning OFF the main circuit breaker.

Move the discharge damper in the direction of arrow and confirm that it moves smoothly without any
hitch.

Open the maintenance door.

* For operations in the following sections, turn ON the main circuit breaker in advance.

3.1.2

Checking the Circuit Protector

Ensure that the circuit protector has not been activated.
If it has been activated, the discharge operation will not take place.

Normal status
When the circuit
protector isactivated

Circuit protector

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METARIDDER
3.1.3

Functional Check Using a Test Piece (Optional)
Important

Be extra careful not to let the test piece being fed to the following process or
being lost. Perform this task after providing protections.

To check the detection sensitivity, drop the test piece straight down and ensure that it is detected anddischarged properly. If it is not detected and discharged properly, contact us.

3.1.4

Functional Check of Cooling Unit (Optional) Cooling Fan

Ensure that the air flows out of the cooling fan.
If the air has stopped or an abnormal noise was heard, it needs to be replaced. Contact us.

Air flow

Note that the service life of cooling fan is about 4 years and 6 months (approx. 40,000
hours).
* With 24 hour operation under the ambient temperature of 25°C. Note that the life will
be reduced in half to 20,000 hours at 35°C.

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METARIDDER
3.2 Routine Cleaning
In order to use the machine in an optimum condition, it is recommended to clean the machine routinely
before loading the material or switching the material.
In cleaning the machine, pay attention to the followings.
WARNING

Turn OFF the main circuit breaker before the work.

CAUTION

The ceramic materials used within the sensor may break due to an impact. In
cleaning the machine, be extra careful not to clean the ceramic materials with ametal rod or metal brush or apply impacts by poking or rubbing them.

CAUTION

Do not wash with water.

CAUTION

The machine is assembled with precision.
Do not remove parts that are not required to be removed (such as the metal
detector or discharge damper).

Important

Be extra careful not to allow foreign matters or rubbish adhered to the machine tobe mixed in the following process. Clean the machine after providing protections.

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METARIDDER
Items to be prepared: Vacuum cleaner
 Dry rag Air blowing device
Clean the materials adhered to the machine (especially in the areas in the frame of yellow dotted line)
by vacuuming, blowing air or wiping off with a rag.
1
8

2
3

9

4
5
6
7

No.

Name

1

Upper hopper (optional)

2

Sensor (inside)3

Lead pipe

4

Maintenance door

5

Discharge damper

6Interiors of frame

7

Discharge chute8

9Cleaning Method

Clean them by vacuuming, using a dry rag or blowing
air.
* Check wears on the packing as well.

Cooling unit/air discharge side (optional)

Remove the cover and clean the air filter by vacuumingor blowing air.
If the area around the metal detector is dirty, clean thearea by vacuuming or blowing air.

Cooling unit/air intake side (optional)

Remove the cover and clean the cooling fan byvacuuming or blowing air.
If the area around the metal detector is dirty, clean thearea by vacuuming or blowing air.

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METARIDDER
3.3 Adjusting the Sensor Sensitivity (Threshold)
The sensor sensitivity (threshold) of this machine is set up before the shipment in accordance with thedetection performance given in the machine specifications unless there are special requirements.
Although it is recommended to use the machine as it is, it is also possible to reduce the sensitivity as
required. Note that it may not be possible to perform metal piece detection as specified if the sensitivity
was modified.

ImportantPrior to adjusting the sensor sensitivity (threshold), perform necessary actions byreferring to Section 4.2.4 “The discharge damper is activated frequently or there
is too much material discharged improperly” in Troubleshooting.

CAUTIONLEVEL

Do not touch the variable resistor labeled
LEVEL. (Used for adjustment during themaintenance.)

10
0

SENS

This variable resistor is set to “10-0” before the shipment.
Turn it counterclockwise to reduce the sensitivity.
* For further information, refer to the simplified manualattached to the machine.

Important

After the adjustment of sensor sensitivity (threshold), perform a detection test
using a test piece (optional).

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METARIDDER

4
Troubleshooting
4.1

Major Symptoms ·················································· 4-2

4.2

Troubleshooting···················································· 4-3
4.2.1 The power is not supplied even if the main
circuit breaker is switched ON ······················· 4-3
4.2.2 The sensor lamp is always ON ······················ 4-3
4.2.3 The discharge damper is not activated even
if a test piece (optional) is fed ························ 4-4
4.2.4 The discharge damper is activated frequentlyor there is too much material discharged
improperly ················································· 4-5

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METARIDDER
4.1 Major Symptoms
 Major symptoms
1 The power cannot be turned ON. (Section 4.2.1)
2 The sensor lamp is always ON. (Section 4.2.2)
3 The discharge damper is not activated even if a test piece (optional) is fed. (Section 4.2.3)
4 The discharge damper is activated frequently or there is too much material discharged
improperly. (Section 4.2.4)

Important

If any of above symptoms or a symptom considered a malfunction was found,
pay special attention to prevent contaminations, such as situations in which a
metal piece or uninspected materials being fed to the following process.

Important

If the problem persists after taking actions listed in the following section or if thesymptom is not listed, contact us.

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METARIDDER
4.2 Troubleshooting
4.2.1

The power is not supplied even if the main circuit breaker is switched ON
Assumed Cause

The power cable is unplugged.

Troubleshooting
Plug in the power cable.

The machine is used at a voltage Check the power supply specifications for the machine.
other than the one specified.
Use the power supply voltage (*** VAC) listed in the productlabel.
If the problem persists even if above actions were taken, contact us.

Main circuit breaker

Product label

4.2.2

The sensor lamp is always ON* Note: Blinking is normal.
Assumed Cause
The sensor has failed.

Troubleshooting
Stop the material supply and turn OFF the main circuit breaker.
If the problem persists after turning ON the main circuit breaker,
contact us.

Always ON(Blinking is normal.)

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METARIDDER
4.2.3

The discharge damper is not activated even if a test piece (optional) is fed
Assumed Cause

Troubleshooting

The circuit protector has been If the circuit protector has been activated, push the tip of theactivated.
circuit protector inward.
* If the discharge damper operates continuously for 30 seconds
or longer, the circuit protector is activated in order to protect thesolenoid.
NormalstatusWhen the circuit
protector is activatedCircuit protector

The sensor sensitivity(threshold) is not set
appropriately.

CAUTION

Refer to Section 3.3 Adjusting the Sensor Sensitivity (Threshold)and set it to an appropriate level.

If the sensor sensitivity (threshold) was set low, it may not be possible
to detect metal pieces as specified.

Metal pieces outside thespecification are targeted.

Target metal pieces suitable for the detection capability ofmachine.

The machine is used outside
the ambient temperature
specified.

The sensor waveform* may become smaller due to the
influence of a drop in the operating ambient temperature*. Use
the machine at an ambient temperature within the specification.
* Operating ambient temperature: 5 to 40°C

* Without dew formation* Sensor waveform: The signal sent from the sensor.

If the problem persists even if above actions were taken, contact us.

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METARIDDER
4.2.4

The discharge damper is activated frequently or there is too much material
discharged improperly
Assumed Cause

A metal piece is adhered tothe inner wall of sensor.

CAUTION

ImportantTroubleshooting
Clean the interiors of sensor (the material path). [Reference:
Section 3.2 Routine Cleaning]

The ceramic materials used within the sensor may break due to an
impact. In cleaning the machine, be extra careful not to clean theceramic materials with a metal rod or metal brush or apply impacts bypoking or rubbing them.

Be extra careful not to allow foreign matters or rubbish adhered to themachine to be mixed in the following process.

Too many metal pieces are
mixed in the material.

If there is a high level of metal piece mixture, the sensor keeps
on detecting them, causing the discharge damper to remain in
the position of discharging defective materials and the majorityof the materials to be discharged.
If such an instance, take following actions.

If there are too many metal pieces mixed in the material, performing a preprocessing of reducing metal pieces with a magnet will help increasing theeffectiveness of the machine.

[1] Reduce the amount of material fed to the machine
In order to reduce the number of detections, reduce theamount of material to be fed to the machine. The optimum
amount to be loaded depends on the level of metal pieces in
the material. Try reducing the amount of the material little bylittle to find the optimum amount.
[Reference: Section 1.1.2 Detection Sensitivity]
Metal piece

Reduce the amount of material being fed to reduce the number ofmetal pieces passing through the sensor.

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METARIDDER
Assumed Cause

Troubleshooting[2] Change the sensor sensitivity (threshold) setting.
(Drop the sensitivity.)
By referring to [Section 3.3 Adjusting the Sensor Sensitivity(Threshold)], set up the sensitivity to an appropriate level.

CAUTION

Reducing the sensitivity by changing the sensor sensitivity (threshold)setting may make it difficult to perform the metal piece detection as
described in the specification. Please understand this and use themachine by setting the sensor sensitivity to a level suitable for thematerial to be fed.

The metal detection response If frequent detection responses are observed without theis caused by a constituent ofpresence of metal pieces, it is possible that the machine is
the material.
responding to some component contained in the material. If thiswas the case, take following actions.

[1] Reduce the amount of material fed to the machine
In order to reduce the number of responses to the contents ofmaterial, reduce the amount of material to be fed to themachine. The optimum amount to be fed depends on thecomponent of the material. Try reducing the amount of thematerial little by little to find the optimum amount.
[Reference: Section 1.1.2 Detection Sensitivity]
Material

Adjust the amount of material so that the material passes closer to thecenter of the sensor.
(Reduce the amount of material passing along the sensor wall where thedetection response is stronger.)

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Assumed Cause

Troubleshooting[2] Change the sensor sensitivity (threshold) setting.
(Drop the sensitivity.)
By referring to [Section 3.3 Adjusting the Sensor Sensitivity(Threshold)], set up the sensitivity to an appropriate level.

CAUTION

Reducing the sensitivity by changing the sensor sensitivity (threshold)setting may make it difficult to perform the metal piece detection as
described in the specification. Please understand this and use themachine by setting the sensor sensitivity to a level suitable for thematerial to be fed.

If the problem persists even if above actions were taken, contact us.

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METARIDDER

5Specifications
5.1

Product Specifications ··········································· 5-2
5.1.1 Machine Specifications ································ 5-2
5.1.2 Specifications of Options ······························ 5-3

5.2

Machine Dimensions ············································· 5-4
5.2.1 Standard Model ·········································· 5-4
5.2.2 Machine with Options ·································· 5-5

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METARIDDER
5.1 Product Specifications
5.1.1

Machine Specifications
Model

MS-24

MS-30

MS-42

Sensor Diameter

φ24 mmφ 30 mm

φ42 mmFe

Sφ0.2 mm

Sφ0.3 mm

Sφ0.5 mm

SUS304

Sφ0.3 mm

Sφ 0.4 mm

Sφ 0.6 mm

Processing capacity*2

340 kg/h

630 kg/h1770 kg/h

Detection
Performance*1

Metal detection method
Foreign substance removal
mechanism
Target material
External dimensions
Product weight
Discharge port diameter
Rated voltage

Dielectric loss isolated high frequency oscillation method
Solenoid drive type damper
Plastic pellets* For applications for other materials, consult us in advance.

Refer to the external view of the machine.
Approx. 17 kg (for the main unit only)
O.D. 60.5 mm
100 VAC (50/60 Hz)

Power consumption

70 W

Insulation resistance

1 MΩ or higher

Withstand voltage

1000 V for one minuteOperating ambient
temperature

Operatingconditions

5 to 40°C* Primary power supply voltage modifiable (optional)* Dew formation is not allowed.

Storagetemperature-25 to 60°C * Dew formation is not allowed.

Operating ambient
humidity

45 to 85%RH * Dew formation is not allowed.

Operating ambient
atmosphere

There should be no oil mist, corrosive gas or flammable gas.

Material transfer
methodFree-fallMaterial loadingheightWithin 20 cm above the top surface of machine frame (standard)Within 100 cm above the top surface of upper hopper (with upper hopper
installed)* Drop the material onto the protector at the top of hopper.

Loaded material
temperature

5 to 40°C (standard) * Dew formation is not allowed.
5 to 70°C (high temperature model ... optional) * Dew formation is not allowed.

Machine installation
Install the machine so that its bottom surface (mounting frame) will be level.
condition

Main components materials

External output signal terminals

Major sections of the body & surfaces in contact with the material ... Stainlesssteel plate (SUS304)
Interiors of sensor coming in contact with the material ... Ceramics
Packing ... CR (black), CR sponge (black), PTFE
V-ring ... NBR (black)
Normal output relay (NC/NO)
Metal detection signal (NO)Discharge damper circuit protector trip signal (NO)*1
*2

Using a test piece prepared by SAIKA.
The processing capacity varies depending on the shape and specific gravity of material loaded. Shown above is the processing capacity obtained by loading a certain
amount of polypropylene (PP/virgin plastic pellets/bulk specific gravity 0.54). Use this value as a reference and it is recommended to perform a sample test to obtain actual
processing capacity.
Note that the design and specifications may change without prior notice for the purpose of improving the product.

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5.1.2

Specifications of Options

Option name
Upper hopper

Description
Hopper for loading the material.

* Consult us if particular shape or capacity is desired.

A metal ball is sealed in a plastic housing.
Use it for routine inspections and checking the machine performance.
Test piece

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.5

Fe



















−

SUS

−















−



Wear-resistant finish is applied for components coming in contact with the material.
Anti Wear[Type of finish] New KANUC finish

processing[Components processed] Upper hopper (optional), main body hopper, lead pipe,
discharge damper
Applied if the temperature of loaded material exceeds 40°C.

High temperatureprocessing

A cooler is provided to reduce the influence of heat to the sensor.
[Operating ambient temperature] 5 to 40°C

* Dew formation is not allowed.

[Loaded material temperature] 5 to 70°C
Safety switch

A safety feature to stop the operation of discharge damper when the maintenance door
was opened.
Displays the number of discharge damper operations.

Discharge counter (In the discharge operation triggered by the detection of a metal, the count isincremented as the power is turned OFF.)The machine status, such as a detection of metal, is indicated by light towers.
Light tower[Statuses notified by the light tower] Green/Normal operation, Yellow/Metal detection,
Red/Error[Type of errors] Sensor error, circuit protector activation, safety switch activation (optional)

Bridge prevention
unit
Vibration feeder
systemVoltage options

Connected to the upper hopper to resolve clogging (bridging) of pulverized materials.
* It is necessary to perform a sample test.

Feeds a constant amount of material. It is ideal for feeding materials that are difficult to
run constantly.
* It is necessary to perform a sample test.

Specify the voltage.
* For a voltage other than 200/210/220/380/400/440 VAC, consult us in advance.

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5.2 Machine Dimensions
5.2.1

Standard Model165(w/ door open)

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Machine with Options
Option name/Component name

Material

WearOption
resistant installed
finish(Y/N)(*1)

Protector, attachment
to ①
Voltage change(200-220 VAC/
380-400 VAC)
Option box (light
tower model)Light tower

Top view with ① or ①+⑨584, height of ①

162
(w/ door open)

180(w/ door open)

619, height of ①+⑨

5.2.2

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6
Warranty and Customer Support
6.1

Warranty Information ············································· 6-2

6.2

Inquiries & Consultations on the Product ··················· 6-2

6-1

6.1 Product Warranty
SAIKA warrants that the product will be repaired with no cost to the customer is it fails due tomanufacturing defects within the period of one year from the date of acceptance (or, if there is no
explicit acceptance date, the delivery date).
The warranty will be void and the product will not be repaired free of charge if any of the followings
apply.
 Failures caused by erroneous wiring and/or erroneous operation.
 A repair and/or a modification has been done by a third party.
 The product used under improper conditions.
 Failures caused by an accident or act of God.
 Damage caused by the customer’s willful negligence such as dropping the product.
 Demand for the detection performance or specifications exceeding the performance accepted at
the time of ordering.
 If any of the repair parts is unavailable due to discontinuation of production.
 Excessive damages beyond repair.
For repairs after the expiration of the warranty period, consult the place of purchase or SAIKA. Repairs
shall be made on the customer’s request for a fee provided that the product can be repaired and theproper function of the machine is deemed to be restored by the repair.
Note that the warranty is valid only for the original purchaser and does not apply to the producttransferred after the delivery.
SAIKA shall not be held liable for any damage caused by a defect in the product resulting from special
circumstances, which cannot be foreseen at the time of manufacture, as well as any loss in thecustomer’s business.

6.2 Inquiries & Consultations on the Product
Saika Technological Institute Foundation
2-1-20 Kuroda, Wakayama 640-8341
TEL: 073-474-0860 FAX: 073-474-0862
URL: https://www.saika.or.jp

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