SPEC SHEET
Plug-in Type Digital Indicating Conductivity Meter
WIL-102- ECH (High Concentration)• DIN rail mounted type
• Various settings, calibration operable via software communication (RS-485)• 24 V power supply available (user-specified)• Transmission output 1 and 2 (optional)
Name
Model

Plug-in type digital indicating conductivity meter
WIL-10Input points
Input

22-ECH,

ECConcentration

H

Power supply voltage

1Option

EVTTA
TA2

2 points
4-electrode conductivity sensor(Temperature element: Pt100) (*1)
4-electrode conductivity sensor(Temperature element: Pt1000) (*1)
High concentration
100 to 240 V AC (standard)
24 V AC/DC (*2)
2-points Contact output
1-point Transmission output
1-point Contact output
2-points Transmission output(*1) This input temperature specification was specified at the time of ordering.
(*2) Supply voltage 100 to 240 V AC is standard.
When ordering 24 V AC/DC, enter 1 in Power supply voltage, after ‘ECH’.

Measurement
range(Rated scale)

Accessories sold separately: Socket: ASK-001-1 (Finger-safe, Ring terminals unusable)

Input

Cell

Conductivity Conductivity constant

1.0/cmScale Range
0.00 to 20.00 mS/cm
0.0 to 200.0 mS/cm
0.0 to 500.0 mS/cm
0 to 500 mS/cm
0.000 to 2.000 mS/cm
0.000 to 5.000 mS/cm
0.00 to 50.00 mS/cm
0 to 2000 S/cm
0 to 5000 S/cm
0.000 to 2.000 S/m
0.00 to 20.00 S/m
0.00 to 50.00 S/m
0.0 to 50.0 S/m
0 to 2000 mS/m
0.000 to 5.000 S/m
0.0 to 200.0 mS/m
0.0 to 500.0 mS/m
0.0 to 20.0 g/L
0 to 200 g/L
0 to 500 g/L
0 to 2000 mg/L
0 to 5000 mg/L

Resolution
0.01 mS/cm
0.1 mS/cm
0.1 mS/cm
1 mS/cm
0.001 mS/cm
0.001 mS/cm
0.01 mS/cm
1 S/cm
1 S/cm0.001 S/m
0.01 S/m
0.01 S/m
0.1 S/m
1 mS/m0.001 S/m
0.1 mS/m
0.1 mS/m
0.1 g/L
1 g/L
1 g/L
1 mg/L
1 mg/LInputCell

Conductivity

Conductivity constant10.0/cm

Seawater salinity
NaCl salinity
Temperature (Pt100 or Pt1000)

Repeatability
Linearity
Conductivity
adjustment
Temperatureadjustment
Self-diagnosis
Temperature compensation element
Temperature compensation range
Ambient temperature
Ambient humidity
Power supply(user-specified)
Structure
Protection structure
Safety standards
Dimensions
WeightContact output(EVT option)
Transmission
output 1(TA option)

Transmission
output 2(TA2 option)

Scale Range
0.0 to 200.0 mS/cm
0.0 to 500.0 mS/cm
0 to 2000 ms/cm
0.00 to 20.00 S/m
0.00 to 50.00 S/m
0.0 to 200.0 S/m
0 to 200 g/L
0 to 500 g/L
0 to 2000 g/L
0.00 to 4.00%
0.00 to 20.00%
0.0 to 100.0

Decimal point place is selectable for temperature indication.

Resolution
0.1 mS/cm
0.1 mS/cm
1 mS/cm
0.01 S/m
0.01 S/m
0.1 S/m
1 g/L
1 g/L
1 g/L
0.01%
0.01%
0.1

Conductivity:
0.5% of input span
Salinity conversion: 1% of input span
TDS conversion:
1.5% of input span
Conductivity:
0.5% of input span
Salinity conversion: 1% of input span
TDS conversion:
1.5% of input span
Conductivity Zero adjustment: Zero adjustment value range: -10% of input span to 10% ofinput span
Conductivity Span adjustment: Span adjustment value range: 0.700 to 1.300
Adjustment range: -10.0 to 10.0
The CPU is monitored by a watchdog timer, and if an abnormal status occurs,
the instrument is switched to warm-up status.
4-electrode conductivity sensor (Temperature element: Pt100)
4-electrode conductivity sensor (Temperature element: Pt1000)
0 to 100.0
0 to 50 (32 to 122 )35 to 85 %RH (Non-condensing)WIL-102-ECH: 100 to 240 V AC 50/60 Hz Allowable fluctuation range: 85 to 264 V AC
WIL-102-ECH 1: 24 V AC/DC 50/60 Hz
Allowable fluctuation range: 20 to 28 V AC/DC
DIN rail mountedCase: Flame-resistant resin, Color: Light gray
Front panel: Membrane sheet
Overvoltage category , Pollution degree 2 (IEC61010-1)
RoHS directive compliant
W30 x H88 x D108 mm (including socket)
Approx. 200 g (including socket)
Relay contact 1a (Bit reading via 2 status flags for 1 output in Serial communication)
2-points Contact output, Control capacity: 3 A 250 V AC (Resistive load), 1 A 250 V AC
(Inductive load, cos =0.4), Electrical life: 100,000 cycles, Control action: ON/OFF control
Converting pH or temperature to analog signal every input sampling period, outputs thevalue in current. (Factory default: Conductivity)
If Transmission output 1 high limit and low limit are set to the same value, Transmission
output 1 will be fixed at 4 mA DC.
Resolution: 12000, Current: 4 to 20 mA DC (Load resistance: Max 550 )Output accuracy: Within 0.3% of Transmission output 1 span
1-point Contact output: See ‘Contact output (EVT option)’.
Converting pH or temperature to analog signal every input sampling period, outputs thevalue in current. (Factory default: Transmission output 1: Conductivity, Transmission output
2: Temperature)
If Transmission output 2 high limit and low limit are set to the same value, Transmission
output 2 will be fixed at 4 mA DC.
Resolution: 12000, Current: 4 to 20 mA DC (Load resistance: Max 550 )Output accuracy: Within 0.3% of Transmission output 2 spanDimensions(Scale: mm)

Socket (sold separately)385

DIN rail

30

79

108

Terminalarrangement

Modular Jack Pin (WIL-102-ECH side arrangement)

(29)

3.3

1, 2, 3, 4: Conductivity sensor terminal 1, 2, 3, 4
(1-2-3-4)
A, B: Temperature compensation sensor
terminals ( 5 - 6 )Pt100 (2-wire) or Pt1000
A, B, B: Temperature compensation sensor
terminals ( 5 - 6 - 7 )Pt100 (3-wire)E:
Shield wire terminal ( 8 )POWER SUPPLY: Power terminals ( 13 - 14 )When EVT option is ordered:
A1: A1 output terminals ( 9 - 10 )A2: A2 output terminals ( 11 - 12 )When TA option is ordered:
A1: A1 output terminals ( 9 - 10 )TRANSMIT OUTPUT1: Transmission
output 1 terminals ( 11 - 12 )When TA2 option is ordered:
TRANSMIT OUTPUT2: Transmission
output 2 terminals ( 9 - 10 )TRANSMIT OUTPUT1: Transmission
output 1 terminals ( 11 - 12 )RS-485: Serial communication modular jack• When no option is ordered, A1, A2,TRANSMIT OUTPUT1 and TRANSMITOUTPUT2 terminals are not equipped.

202001 E02