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
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
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)