B&C PH 7685 - Features

B&C Electronics PH 7685/E – Rev. B
- 3 -
1 FEATURES
* Input from pH electrode (Glass or Antimony) - ORP electrode
* Input from Pt100 3 wires
* Alphanumeric back-lighted LCD
* Temperature readout
* Operating mode: automatic and manual
* Calibration parameters display
* Set-point and alarm conditions display
* Automatic or manual Temperature compensation
* Isolated output: 0/20 mA or 4/20 mA selectable
* Dual set-points with selectable action:
- On/Off
- PFM proportional Pulse Frequency Modulation
- PWM proportional Pulse Width Modulation
with hysteresis, delay and min/max programmable functions
* Min/max and set-points timing alarm relay
* Software:
- 3 access levels
- user friendly
- automatic/manual operating mode
- automatic buffer solutions recognition
- keyboard lock
- watch-dog
* EEPROM parameter storage
* Automatic overload protection and reset
* Extractable terminal blocks
* 96X96 (1/4" DIN) housing