Application
Use example
List ofproducts

Static pressure measurement

WO81

Measurement of static air Monitoring of pressure inside room and alarm issuance(1) Example of use in cleanroom

WO71

Micro differential
pressure gauge

FR51A
Positivepressure

Positivepressure
Micro differential
pressure sensor

Micro differential
pressure switch

MS99

MS99S

(2) Example of use at factorythat handles hazardous
substances

MS61A-RA

Micro differential
pressure gauge

QDP33
Negativepressure

Negativepressure

EMD8A

Micro differential
pressure sensor

Microdifferential
pressure switch

EMD7

EMT1For internal pressure explosion-proof
EMTGP1

Micro differential
pressure switch

Instrumentation panel

Instrumentation panel

Explosive
atmosphere

Explosive
atmosphere

EMT1H

Micro differential
pressure sensor

EMT6

EMP5A

EMRT1

Liquid level gauge (air purge type)
Micro differential
pressure gauge

HWS15A
Rotor-type
flowmeter
Insertion
pipe

Micro differential
pressuresensor

SuppliedairPressure- Throttle
reducing
valve
valve

SuppliedairPressure- Throttle
reducing
valve
valve

Rotor-type
flowmeter
InsertionpipeApplication
Use example
List ofproducts

WO81

Static pressure measurement

WO71

Micro differential pressure gauge,
micro differential pressure switch,or micro differential pressure sensor

FR51A

MS99

MS99S

MS61A-RA

Micro differential pressure gauge,
micro differential pressure switch,or micro differential pressure sensor

Atmospheric pressure
Staticpressuretube

6D or higher

Positivepressure

Negativepressure

Staticpressuretube

6D or higher

4D or higher

Straight
pipe part

4D or higher

Straight
pipe part

QDP33

EMD8A

EMD7

(1) For prevention of burnaccidents from an electricheater

Micro differentialpressure switch

Micro differential
pressure sensor

EMT1

EMTGP1

Micro differential
pressure gauge

EMT1H

EMT6
Micro differential
pressure switch

EMP5A

Micro differential
pressure sensor

EMRT1

HWS15A

in drying furnaces and tunnel
ceramic kilns

Micro differential
pressure gauge
Microdifferential
pressureswitch

Micro differential
pressure sensor

Application
Use example
List ofproducts

WO81

Micro differential
pressure gauge

static pressure pipe)

Micro differential
pressure sensor

2m

WO71

FR51A

107

Overall/staticpressure pipe

Overall/staticpressure pipe

Center ofduct

6D or higher

× 0.9

6D or higher

Center ofduct

4D or higher

Straight
pipe part

4D or higher

Straight
pipe part(2) For Pitot tubes (staticpressure pipe + totalpressure pipe)

MS99

MS99S

MS61A-RA

Micro differential
pressure gauge

QDP33
Micro differential
pressure sensor

Total
pressure pipe

Staticpressure pipe

Center of
duct

Total
pressure pipe

Staticpressure pipe

6D or higher

6D or higher

4D or higher

Center ofduct

4D or higher

EMD8A

EMD7

Straight
pipe part

EMT1

Straight
pipe part

EMTGP1

Micro differentialpressure gauge
Micro differential
pressure sensor

EMT1H

EMT6
6D or higher

6D or higher

4D or higher

Straightpipe part

4D or higher

Straight
pipe part(4) For composite Pitottubes

EMP5A

EMRT1

Micro differential
pressure gauge
Micro differential
pressure sensor

Straight pipe section

Straight pipe part

HWS15AApplication
Use example
List ofproducts

WO81

Measurement of pressure loss
Micro differential pressure gauge

WO71

Micro differential
pressure sensor
Staticpressure tube

FR51A

Staticpressure tube

Staticpressure tube

Air filter

Staticpressure tubeAir filter
4D or higher

4D or higher

6D or higher

MS99

6D or higher
Straight
pipe part

Straight
pipe part

MS99S
Micro differential pressure gauge
Micro differential
pressure switch

MS61A-RA

Microdifferential
pressure
sensor

QDP33

EMD8A

EMD7
Micro differential
pressuregauge

EMT1

Micro differential
pressure switch

Micro differential
pressure
sensorEMTGP1

EMT1H

EMT6

For detection of the defrosting cycle of cooling coil
Micro differential
pressure switch

Microdifferential
pressure
sensor

EMP5A

EMRT1

HWS15A

Measurement of static pressure and pressure loss
For glove boxes
ExhaustMicro differential
pressure gauge

Micro differential
pressure gauge

Microdifferential
pressureswitch

Air filter

Micro differential
pressure gauge

Negativepressure

Reacher

Air filter

Warranty
Warranty period
The warranty period for our product is one (1) year from delivery to the location specified by the orderer who makes a direct transaction
with us.

If any failure or defect attributable to us becomes clear during the above warranty period, we will repair the product or supply asubstitute product free of charge. However, even during the warranty period, we will exclude the product from the scope of the warranty
if the failure or defect corresponds to any of the following:(1) The failure or defect was caused by an unreasonable condition, environment, handling, or usage not mentioned in theinstruction manual, specifications, and our product catalog.
(2) The failure or defect was caused by a factor other than our product.
(3) The failure or defect was caused by a modification or repair conducted by a party other than us.
(4) The failure or defect was caused by an event that could not be foreseen at the scientific and technical levels at the time ofproduct shipment from us.
(5) The failure or defect was caused by an external factor not attributable to us, such as acts of God and disasters.
Please note that the warranty mentioned here means the warranty for our individual product, and damage provoked by a failure or
defect of the product is excluded from the scope of the warranty.
*This warranty is valid only in Japan.

Application and usage
Our products are designed and manufactured as general-purpose instruments for general industries.
Therefore, our products are not intended for the following uses, and our products used in such a manner are outside the scope ofapplication.
(1) Equipment that is anticipated to greatly affect lives and properties, such as nuclear power generation, aviation, railways, marine
vessels, vehicles, and medical devices(2) Utilities that include electricity, gas, and service water(3) Use in outdoor locations and under similar conditions or environments other than those stipulated in the instruction manual(4) Usage to which considerable safety consideration and attention equivalent to (1) and (2) above need to be given

ServiceBecause the product price does not include service expenses, such as the dispatch of engineers, we will separately charge for theexpenses in the following cases:(1) Instruction for installation and adjustment and a witnessed test run(2) Maintenance inspection, adjustments, and repairs(3) Technical guidance and technical education(4) Witnessed inspections of products at our factory<<Note>> The product specifications and information in this catalog are subject to change without prior notice for product improvement orother reasons.

For order placement, contactGeneral
agent

Manostar Co., Ltd.

1-2-3 Nishishiriike-cho, Nagata-ku, Kobe City, Hyogo 653-0031
TEL. +81-78-621-7000 FAX. +81-78-621-7788

Manufacturer

Yamamoto Electric Works Co., Ltd.

1-2-3 Nishishiriike-cho, Nagata-ku, Kobe City, Hyogo 653-0031
TEL. +81-78-631-6000 FAX. +81-78-631-6020

SEPTEMBER 2021 YAMAMOTO ELECTRIC WORKS CO., LTD., JAPAN