Mestar Ph/Orp Controller

Feature

• pH/ORP selection
  
• Auto Calibration
  - pH4,7,9
  - Improved measuring precision by auto operation of liquid temperature
  - Full duplex communication by RS-485
  - Available for recorder, indicator, PLC, computer
  
• Dead Band Setting
  - Securing the stability of pump operation
  
• Data Memory
  - Back up data memory by EEPROM
  
• LCD back lighting display
  - Recognized at dark place
  
• Self-Diagnostic function
  
• Option
  -Temperature compensation
  - Communication
  - Isolated DC 4~20mA PROCESS Temperature
  

Description

1.

• pH : lighting for pH measuring/auto calibrating
  
• mV : lighting for ORP measuring/auto calibrating
  
• HIGH : flickering for HIGH value setting lighting for ALARM
  
• LOW : flickering for LOW value setting lighting for ALARM
  
• °C : flickering for temperature setting
  
• CAL : lighting for calibrating→ flickering
  
• HIGH & LOW : flickering for deadband setting

2. Function selection, pH/ORP selection

3.

4. 3 1/2 digit LED,LCD (Back light) pH/mV SCALE