• Inputs: BNC connector, Direct Wire connection with amplified probe (supports HI 1006 series probes) and 4-20mA from a transmitter
• Extended temperature compensation range: -20 to 100 degree C
• Supports potential matching pin connection
• Both 4-20 and 0-20 mA output
• +/-5V outputs for amplified electrodes
• Backlit LCD
• Auto-diagnostic tests for pH electrode and instrument status
• Operational mode LED indicators
• Fail Safe Function - the alarm relay is activated at power down
• Transparent splash-proof cover

The HI 8710 is a panel mounted pH controller with self-diagnostic test capabilities. Users can set: the setpoint for acid or alkaline dosage, the tolerance of the setpoint before an alarm is activated, the dosage mode: automatic, continuous on or OFF and the over dosage control by setting the overtime dosage knob.