691N Jenco Transmitter

1/8 DIN panel mount pH transmitter with calibration by potentiometers. Has a manual temperature control knob and normal transmitter output of 4-20 mA output for 0-14 pH range or in expanded mode 4-2mA can be for any 2 pH units from 0 to 14 pH. Features a large bright red LED display. Connectors are a BNC pH input and spade lug screw type connector block. 115/230V AC.

• Current Output With Selectable Span For Better Accuracy 
  
• Manual Temp. Compensation 
  
• 0.56 High Efficiency Red LED Display 
  
• Low Power Consumption 
  
• Reduced Internal Heating For Increased Reliability 
  
• Heat Cycled 100 Hrs 
  
• Isolated 4-20 mA Output Span Of 0 To 14 pH Over Any 2 pH