Shinkawa WKN-142K2-2 Vibration Transmitter

Shinkawa WKN-142K2-2 Vibration Transmitter

WKN-142 SERIES

Two-wire TRANSDUCER

SIMPLE WIRING

TWO -WIRE TRANSDUCER

Sensor input connector

Name plate

Logo, model code and

serial number

Terminal block

DIN rail mounting plate

Screw mounting plate

Transmitter Outline Drawing (by mount type)

35 mm DIN rail mounting plate type

Screw mounting plate type

Unit: mm

GAP output connector

System configuration

GAP OUT

GAP OUT

SENSOR

2-Wire

vibration

Transmitter

!  CAUTION

Grounded AC powered equipment

can cause false alarm.

Do not connect it to GAP OUT.

Remove label for ZERO SPAN adjust

WKN-142K2-2

7m System

vibration :

0-125 μm pk-pk

Ser. No.

4-20 mA  +   – |COM GAP OUT

7.87 mV/μm PWR +12 TO

+35 VDC

(787 mV/100  m)

+-GAP

WKN transmitter

Oscilloscope etc.

WL sensor

WW extension cable

Ideal for vibration monitoring of compact

centrifugal turbo compressors.

Ideal for vibration monitoring of compact

centrifugal turbo compressors.

Compact, space-saving (50% smaller, 60% lighter

than the conventional)

Compact, space-saving (50% smaller, 60% lighter

than the conventional)

Current output allows for long wiring distances. Current output allows for long wiring distances.

Direct connection to PLCs and DCS control systems.

No external signal conditioner required.

Direct connection to PLCs and DCS control systems.

No external signal conditioner required.

Phoenix terminal type allows for quick and efficient wiring

For WK series users:

Holes of screw mounting plates are the same as WK series.

You can replace your WK series with WKN series without making new holes.

Current Output GAP Output System

WKN-142K WKN-142T

4 to 20 mA Output Range

Specifications

0 to 100 μm pk-pk

0 to 125 μm pk-pk

0 to 200 μm pk-pk

0 to 250 μm pk-pk

0 to 400 μm pk-pk

4 to 20 mA Conversion

Accuracy

Maxi. Load Resistance

Calibration Target

Linear Range*

Scale Factor*

Scale Factor Error*

Output Impedance*

Frequency Responce*

Operation Temperature

Relative Humidity

Power Supply Voltage

System Cable Length-0.6 to 0 to +0.6 mm or-0.635 to 0 to +0.635 mm

(-25 to 0 to +25 mils)

±1.5 % of full scale range

(Input to test pin and current output)

43.5 × (Vps-12)Ω (Vps = power supply voltage)

JIS SCM440 flat surface

1.4 mm (Gap : 0.3 to 1.7 mm)

7.87 mV/μm

5 m, 7 m System: 7.87 mV/μm ±6.5 % typ.

9 m System：7.87 mV/μm ±10 % typ.

(Values include interchangeability errors)

200 μm  step,  target diameter ø30 mm

10 kΩ (calibrated at 10 MΩ load impedance)

5 Hz to 6.000 Hz (+0 dB, -3 dB)

at 900 μm gap

Transmitter：

Operation, 0 to 70 °C; Storage, -34 to +100 °C

Sensor and cable:

Operation -34 to +177 °C (Connector: Max.125 °C)

30 to 95 % RH (non-condensing)

12 to 35 VDC

5 m,7 m, 9 m

* The specifications above apply to a system of WL-142K sensor, WW-142K extension cable and

WKN-142 transmitter under the following conditions: calibration target, SCM440 flat surface;

24VDC power supply voltage; ambient temperature, 25°C.