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CL 7685 Potentiostatic analyzer for Cl2, ClO2, O3

CL 7685 Potentiostatic analyzer for Cl2, ClO2, O3

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The controller has to be connected to a potentiostatic sensor SZ 283. It provides manual and automatic temperature compensation. The instruments provides also the temperature reading.
FeaturesTechnical DataApplications

Specifications

  • Scales in ppm
  • Temperature readout by means of Pt100
  • Range: 0/2,000 ppm – 0/20,00 ppm
  • Temperature range: -2/+52 °C
  • Operating mode: automatic and manual
  • Set-point and alarm conditions display
  • Analog output: 0-20 or 4-20 mA isolated
  • 2 set-point with PFM, PWM or min/max function, hysteresys and delay time programmable
  • Min/max and set-points timing alarm relay
  • Sensor cleaning relay, with programmable cleaning cycle and waiting time
  • Power supply: 110/220 V  5 VA
  • Dimensions: 96x96x155 mm.  DIN 43700

Technical Specifications
common to all instruments of the 7685 Series

Temperature
Input: RTD Pt100 2/3 wires

Set point A and B:
Operation: ON/OFF
Hysteresis: adjustable
Delay: 0.0/99.9 s
* Function: Max/Min
Relay contacts: SPDT 220V 5 A (resistive load)

Alarm:
Low/High: adjustable
Delay: 0.0/99.9 s
* Relay status: activated/deactivated
* Alarm on max. operating time of set-point A/B: ON/OFF
* Max operating time of set-point A/B: 0/60 minutes
* Relay contacts: SPDT 220V 5 A (resistive load)

Analog output N° 1
* Input corresponding to the analog output (option 091.371x):
selectable
* Output range: 0-20/4-20 mA (it can be made to represent any
segment of the measuring scale
Response time: 2.5 s for 98%
Isolation: 250Vac
Load: 600 ohm max

Analog outpunt N° 2 (option 091.371x)
* Input corresponding to the analog output: selectable
* Output range: 0-20/4-20 mA (it can be made to represent any
segment of the measuring scale
Response time: 2.5 s for 98%
Isolation: 250Vac
Load: 600 ohm max

Configuration (*)
The above parameters indicated by asterisks“*”, may be selected in the
Configuration menu

General Specification
Alphanumeric display: 1 line x 16 characters
Operating temperature: 0/50 °C
Humidity: 95% without condensation
Power supply: 110/220Vac ± 10% 50/60 Hz
Isolation: 4 kV between primary and secondary (IEC 348)
Power: 5VA max.
Terminal block: extractable
Weight: 850 g
Dimensions: 96 x 96 x 155 mm

Options
091.701

RS 232 isolated output
The output sends the data to the serial port of the
computer.

091.404

24Vac power supply

091.414X

9/36VDC power supply

 

Applications CL 7685

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