pH/ORP field transmitter


Analog field transmitter to connect analog pH/ORP armatures and electrodes,
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)
- Automatic calibration according to AutoCal procedure
- Temperature compensation

Measuring range:
0,00 to 14,00 pH value
-2000 mV to +2000 mV
-10C to +130C (Pt100)

Connectable electrodes:
- Electrode ProcessLine PL 82-...

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:
pH 298 Pt100
or equivalent
