Controller / Indicator / Monitor

Inputs
Number of safety channels：2
Safety inputs (contact inputs)：S11-S12 and S21-S22
Loop resistance：Max. 1 kΩ
Input current：Typical 5 mA

Outputs
NO safety outputs：3
NC auxiliary output：1
Type：Voltage free contact output, relays with forcibly guided contacts

Measuring range：Conductivity 0.0..200.0 μS / cm / 0..2000 μS / cm / 0.00..20.00 mS / cm / 0.0..200.0 mS / cm / 0..400 mS / cm (only GMH 3451) / Manually adjustable or AutoRange
Spec. resistance：0.005..100.0 kOhm * cm
Salinity：0.0..70.0 g / kg water
TDS：0..1999 mg/l

Signal Inputs
‧4 (isolated) analog inputs.
‧3 digital status-/pulse inputs.
‧1 potentiometer input.
‧Modbus communication protocol (RS485 / RS232).
‧SDI-12 communication protocol.
Data outputs
‧GPRS data communication through TCP, FTP and/or email.
‧Full control through the web-portal or the Process View software.
‧Process alarms and system alerts by SMS.

Input：Flowmeter / Status
Output：Pulse / Alarm / Control
Operating temperature / humidity：-20°C ... +60°C / 85% non-condensing, relative.
Power Supply：24V DC / 10 – 230V AC
Communication：RS232 or RS485 2-wire

Input：4 ... 20mA
Output：Alarm / Analog
Ambient temperature：-40°C ... +70°C
Power Supply：Long life Lithium battery / 4 ... 20 mA Loop-powered / 8 ... 24 V AC/DC / 115 ... 230V AC
Explosion Proof：ATEX

Modification of operational parameters in system 4000 and 9000
devices
Fixed display for visualisation of process data and status
Password protection
Scrolling help text in 7 languages
Clicks on to the front of the device mounted in the process

Input signals : 0 ... 5 V / 0 ... 10 V / 0 ... 20 mA / 4 ... 20 mA

Display readout：5 digits(-9.9.9.9 ... +9.9.9.9.9)
Input：Current / Voltage
Analog output：Current / Voltage
Accuracy：0.1%F.S.±1 digital
IP rating：IP65(Front panel)

Input signal : 4 ... 20 mA(2-Wire) / 0 ... 10V(3-Wire)
Electrical connection: DIN 43650: 330° / M12: 210°
Accuracy: 0.2%F.S.
Display: On-site display / 4 ... 20 mA / 0 ... 10V