Specifications:

• Measure Range: 0 -14 pH

• Output: 4-20 mA
  0 pH =  4 mA
  7 pH =  12 mA
  14 pH = 20 mA

• External Adjustment: ZERO VR , SPAN VR

• Power Supply: 90-260 ACV, 50 Hz/ 60Hz

• Operation Temperature: 0-50 C, 32-122F

• Operation Humidity: Less than 80% RH

• Accessory Included: Electrode is optional

• Optional:pH Electrode :
  PE-03
  PE-11
  PE-01

• Mounting: Din rail or Wall

• Case: ABS plastic

• Others: High input impedance, BNC input socket.