Conductivity field transmitter


Analog field transmitter to connect analog conductivity sensors,
with integrated temperature sensor.

Equipped with the following performance features:
- Increased EMC interference immunity
- Integrated lightning protection
- Simultaneous display for measured value and temperature
- Analog outputs galvanically separated from each other
- With Modbus interface (RS485)
- Temperature compensation

Measuring rangee:
0 to 500 mS/cm
-10C to +130C (NTC)

Connectable senors:
- TetraCon 325
- LR 325/01 and 001, respectively
- LRD 01
- LRD 325
- TetraCon DU/T(H)

Control outputs:
2 relay contacts, changer, max. 250 V AC/5 A
PID controller, bidirectional

Analog outputs:
2 analog outputs, 0/4-20 mA or 0-5 V

Interfaces:
USB for configuration, calibration, data logging
1 Modbus interface (RS485)

Display:
graphical OLED 128 x 64 Pixel and plaintext menu

Data logger:
with real-time clock for 4000 records, to read out by USB interface

Dimensions:
160 x 130 x 70 mm (B x H x T)

Power supply:
100-240 V AC

Ambient temperature:
-10C to 55C

Housing:
Aluminium housing for wall mounting, protection IP54
EMC interference immunity according to EN 61326 Klasse B, 2004/108/EG

Manufacturer:
WTW

Type:
LF 298 NTC
or equivalent
