http://www.jinstartech.com/

General Attributes:

InsiteIG Multi-Channel Analyzer(MCA) DO, SS, ORP (Redox), and pH very good price

Specifications

• 4 Sensor channels
  (upgradable to 8)
• Automatic sensor configuration
• Continuous display of all channels
• Memory backup
• Backlit graphical LCD display
• UV protected display
• Contrast adjustment via keypad
• Temp. range: -20°C to 70°C
• Enclosure NEMA 4X
• Optically isolated RS-485 Modbus
• Input power 100/250VAC

Outputs

• 2 Clean relays

with optional MCX expansion box

• 8 Optically isolated 4-20mA
• 4 Dry contact 10 amp setpoint relays