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Hanna pH Analog Controller with Self-Diagnostic Test – HI8710
Specifications
| Country of Origin | India |
|---|---|
| Display | LCD, continuous ON backlight |
| Brand | Hanna |
| Power Supply | ±5 Vcc - 150 mA max load (amplified electrodes) |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH (0 to 100°C) / ±0.05 pH (-20 to 0°C) (electrode) - ±0.5% (transmitter) |
| Environment | -10 to 50°C, RH max 95% non-condensing |
| pH Calibration | Offset: ±2 pH, Slope: 80 to 110% |
| Temperature Compensation | Fixed/automatic with Pt100 (-20 to 100°C) |
| Model | HI8710 |
| Weight | 1 kg |
| Enclosure Material | Black anodized aluminium (body and back), ABS splash-proof (front) |
| Product Condition | New |
| MPN | HI8710 |
| Alarm Relay Range | 0.2 to 3.00 pH |
| Analog Input Signal | 4 to 20 mA |
| Analog Output Signal | 0-20 mA or 4-20 mA (isolated) |
| Panel Mount Dimensions | 141 x 69 mm |
| Alarm Relay Setpoint | 1, isolated, 2 A, max 240 V resistive load, 1000000 strokes |
Key Features
Hanna HI8710 pH analog controller with self-diagnostic test is designed for industrial process control and water treatment applications.
- Panel mounted analog pH controller for reliable process control.
- Provides acid or alkaline dosage setpoint adjustment to suit site needs.
- Built-in self-diagnostic test function improves operational safety.
- Features Hanna's Fail Safe Alarm System to protect against power or signal faults.
- Offers selectable dosage mode: automatic, continuous, or OFF, plus overtime dosage control.
- Provides temperature compensation for rapid, accurate readings.
- LCD display with continuous ON backlight for easy reading in all lighting conditions.
- Alarm relay with adjustable setpoint and range for flexible system integration.
- Compact anodized aluminum enclosure with splash-proof ABS front cover.
- Supports analog input (4-20 mA) and output (0-20 mA/4-20 mA, isolated) signal connections.
Product Description
Hanna HI8710 pH Analog Controller is a premium, panel mounted monitoring and control device for industrial water treatment and process applications. It enables precise control of acid or alkaline dosing with user-set setpoints and tolerance ranges. The controller supports automatic, continuous, or manual dosage modes and is equipped with a self-diagnostic test and Hanna's exclusive Fail Safe Alarm System for high operational reliability. Alarm conditions are clearly indicated on the controller panel, and the unit supports overtime dosage protection.
- Self-diagnostic test capability for enhanced safety and troubleshooting.
- Automatic temperature compensation offers rapid and precise pH control.
- Panel mounting (141 x 69 mm) for installation versatility.
- Continuous backlit LCD is easily readable, even in low light industrial environments.
- Analog input (4–20 mA) and isolated analog output (0–20 mA or 4–20 mA) for process integration.
- Acid/alkaline dosage setpoint adjustment and overtime dosage knob for customized treatment settings.
- Black anodized aluminum enclosure front/back, ABS transparent splash-proof cover for durability.
- Supports environmental conditions from -10 to 50°C and compatible for high relative humidity usage.
- Advanced alarm relay configuration: 2 A max, 240 V resistive load, long life cycle.
- Precise calibration options: offset and slope trimmer.
Typical industrial applications include water treatment plants, chemical dosing systems, industrial and laboratory process control where continuous monitoring of pH is required. The system supports temperature compensation from -20 to 100°C via a Pt100 sensor.
Browse more Hanna instruments, laboratory controllers, and industrial automation solutions in the pH Controllers category on EnvMart.
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