Hanna pH Analog Controller with Dual Output and Self-Diagnostic Test - HI8711

HI8711 pH Analog Controller with Dual Output and Self-Diagnostic Test by Hanna Instruments

HI 8711 allows the selection of two set points with two independent outputs for acid and alkaline dosages. The HI 8711 incorporates adjustable overtime dosing protection from 5 to 60 minutes. If dosing exceeds selected time, the alarm will be triggered and the dosing contact will deactivate. This feature can be activated or deactivated.

• Inputs: BNC connector, Direct wire connection with amplified probe (supports HI 1006 series probes) and 4-20 mA from a transmitter
• Auto-diagnostics to verify offset and slope calibration and electrode contamination/deterioration
• Selectable manual ON, OFF and automatic dosing control for alkaline, acid and REDOX dosing with indicator
• Dual set point with two independent dosing outputs
• Extended temperature compensation range: -20 to 100°C
• Supports potential matching pin connection
• Both 4-20 and 0-20 mA output
• ±5V outputs for amplified electrodes
• Fail Safe Function–the alarm relay is activated at power down
• Operational mode LED indicators
• Backlit LCD
• Transparent splash-proof cover

Order Information:

The HI 8711 is supplied with mounting brackets and instructions.