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IC 7685.010 Specific ions analyzer with autocal & autoclean functions

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The instrument is suitable with all ions selective electrodes and gives direct concentration measurements in ppm - mg/l - g/l - mbar - mmHg  units in the 10,00 - 100,0 - 1000 scales with autorange. Configurable input for ions with valence X- , X-- , X+ , X++ in a 5 decades range from 0,01 to 1000. It provides manual and automatic temperature compensation, if a Pt100 is connected. When the RTD is connected, the instruments provides the temperature reading. The operator may activate the electrode's autocal or autoclean function.
FeaturesTechnical DataApplications

Specifications

  • Scales:  10,00 – 100,0 – 1000  with autorange
  • Calibration:  up to 5 points over all the measuring range
  • Temperature range: -10/+110 °C, accuracy 0.1 °C
  • Analog output: 0-20 or 4-20 mA isolated. Programmable within the scale
  • 2 set-point with min/max function, hysteresys and delay time programmable
  • Min/max and set points timing alarm relay
  • Dual software filter for more steady measures
  • 3 software access levels, keyboard lock and access code number
  • Operating mode: automatic and manual
  • Temperature readout
  • Continuous or flashing alarm relay
  • 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

 

Technical Specifications
in addition to those common in the series 7685

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
ManualTemperature: -10/110 °C

Temperature compensation
Selectable: able/disable
Compensation range: -10/110 °C
ReferenceTemperature: 20 °C

Option
091.4143 9/36VDC power supply

Applications IC 7685.010

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