IC 7685
Ion Concentration controller
• Applications:
- with ISE electrodes
- water softeners
- drinking water
- electroplating industry
- Aluminum surface coating
- CO2 in biotechnology
• Input from any ISE and CO2 electrodes
• Input form Pt100 3 wires
• Measuring unit: PPM - mg/l - gr/l - mbar - mmHg
• Measuring range from 0.01 to 1000
• Autoranging
• Up to 5 points calibration
• Temperature readout
• Calibration parameters display
• Dual set-point and alarm conditions display
• Automatic or manual temperature compensation
• Dual filter software
• Isolated output:
- 0/20 mA or 4/20 mA selectable
- programmable input on the span
- dual output as option
• Automatic or manual operation
• Dual set-point with hysteresis, delay, and min/max
programmable functions
• Alarm:
- continuous/flashing
- min/max and delay programmable
- on set-points timing
• EEPROM parameters storage
• Automatic overload protection and reset
• Extractable terminal blocks
• 96X96 (1/4” DIN) housing
Accessories
This instrument may use all the ISE sensors for continuous operation
Specifications
Operating mode
Automatic/manual
ISE input
* Ion type X- -, X-, X+, X++
Measuring scales: 5 decades from 0.01 to 1000
* Scales
10.00 - 100.0 - 1000 autoranging
Software filter 90%RT: 0.4/20.00 s for small/large variations
Calibration
Up to 5 points over all the measuring range
Zero adjustment: ± 100.0 mV
Range: ± 1100 mV
Temperature
Input: RTD Pt100 3 wires
Measuring range:-10.0/110.0 °C
Resolution: ± 0.1 °C
Zero: ± 2 °C
Manual Temperature: -10/110 °C
Temperature compensation
Selectable: able/disable
Compensation range: -10/110 °C
Reference Temperature: 20 °C
Option 091.4143
9/36 VDC power supply