Home / Products / Uncategorized / OD 7685.010 Dissolved oxygen analyzer for autoclean galvanic probe

OD 7685.010 Dissolved oxygen analyzer for autoclean galvanic probe

Enquire Now
The controller can be connected to a galvanic cell with 1mil / 2 mil / 5mil membranes. It provides manual and automatic temperature compensation. The instruments provides also the temperature reading.
FeaturesTechnical DataApplications

Specifications

  • Selectable scales in ppm – mg/l – % of air – mmHg
  • Temperature readout by means of Pt100 in °C or °F
  • Dissolved oxygen range: 0/19,99 ppm – 0/19,99 mg/l- 0/199,9 % of air saturation – 0/199,9 mmHg
  • Temperature range: -2/+52 °C or 28,4/125.5 °F
  • Automatic or manual temperature compensation
  • Pressure, salinity and relative humidity compensation
  • Oxygen solubility table stored into the microcomputer
  • Autocalibration in air
  • Operating mode: automatic and manual
  • Set-point and alarm conditions display
  • Dual Analog output: 0-20 – 4-20 mA isolated
  • 2 set-point with 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
in addition to those common in the series 7685
* Galvanic cell
membrane: 1 mil – 2 mil – 5 mil (5 mil standard)
cable length: 15 m
* Scales
0/400 – 0/200.0 – 0/20.00 mmHg
0/400 – 0/200.0 – 0/20.00 % air saturation
0/40.0 – 0/20.0 PPM – 0/2000 PPB
0/40.0 – 0/20.00 mg/lt – 0/2000 µgr/lt
* Software filter 90%RT: 0.5/50.0 s for small/large variations
Zero: ± 1 mV
Sensitivity: 62.5/212.5 %
Temperature
measuring and compensation range: +2/+52 °C or 28,4/125,5 °F
Zero: ± 2 °C or ±3,6 °F
Input: Pt100 3 wires
Temperature compensation
Internal table for each membrane type
Reference temperature: 20 °C or 68 °F
Manual compensation: 0/50.0 °C or 32/122 °F
Secondary parameters
Pressure: 500/800 mmHg
Salinity: 0/60,000 PPM
Relative humidity: 0/100 %
Analog outputs
Dual isolated for D.O and temperature
Set points
Dual with ON/OFF programmable functions
* Autoclean function
Disable – manual – auto + manual
* Repetition cycle: 0.1/24 hours
* Number of cycles: from 1 to 10
* Compressor time: 0.5/60.0 sec.
* Discharge time: 0.5/10.0 sec.
* Holding time: 0/20.0 min. (for measuring, outputs, relays)
Option
091.4143 9/36VDC power supply

Applications OD 7685.010

Related products