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Hanna Wall Mounted pH Controller and Pump - BL7916
Specifications
| Country of Origin | India |
|---|---|
| Power Consumption | 40 W |
| Display | segmented LCD |
| Power Supply | 115V ±15% - 50/60Hz |
| Dimensions | 221 x 142 x 181 mm |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Environment | 0 to 50°C, max 95% RH non-condensing |
| pH Calibration | Manual, 1 or 2 point |
| pH Temperature Compensation | Fixed by resistor, 2-wire Pt100 optional |
| Model | BL7916 |
| Installation Type | WALL MOUNTED |
| IP Rating | IP55 |
| Weight | 5 kg |
| Analog Output | 4 to 20 mA (isolated) |
| Over Current Protection | 250V fuse |
| Product Condition | New |
| pH Input Impedance | 10¹² Ohm |
| Alarm Relay Range | Activated when pH outside 2 pH units from setpoint |
| Proportional Band | Fixed 1.5 pH unit; adjustable via resistor |
| Self Priming Height | Maximum 1.5 m (5 ft.) |
| Dosing Terminals | Isolated, 2A, Max. 240V, resistive load |
Key Features
BL7916 Wall Mounted pH Controller and Dosing Pump integrates pH measurement and proportional chemical dosing for precise process control in industrial and water treatment applications.
- Combines pH meter with chemical dosing pump for automatic control.
- Wall-mount design with front access for easy installation and maintenance.
- Suitable for plating, wastewater, water treatment, and swimming pool applications.
- Proportional dosing slows stroke rate near setpoint to prevent overdosage.
- Alarm relay is activated when pH is outside 2 pH units from setpoint.
- Isolated analog output (4–20 mA) for integration with central monitoring systems.
- Manual 1 or 2-point pH calibration ensures measurement accuracy.
- IP55 rated enclosure for protection against dust and water spray.
- Self-priming pump supports up to 1.5 m (5 ft.) vertical lift.
- Operates in ambient conditions from 0 to 50°C with max 95% RH non-condensing.
Product Description
BL7916 Wall Mounted pH Controller and Chemical Dosing Pump is a compact, automatic process instrument designed for industrial settings where continuous pH control and precise chemical dosing are required. This unit conveniently integrates a high-accuracy pH meter and a chemical dosing pump for maintaining desired pH setpoints in plating, wastewater treatment, swimming pools, and industrial water systems.
The wall-mounted design features mounting holes on a rugged base and all controls at the front, allowing for hassle-free installation and straightforward servicing. Proportional control ensures the dosing pump stroke rate decreases as the pH value approaches the setpoint, maximizing chemical usage efficiency and preventing costly overdosage.
BL7916 supports operation in environments from 0°C to 50°C and up to 95% non-condensing relative humidity. IP55-rated enclosure provides robust protection against dust and moisture, making it reliable for demanding industrial or water treatment facilities.
- Combines a pH measurement system and dosing pump in one compact unit.
- Supports proportional, user-selectable dosing (acid or base), adjustable setpoints.
- Alarm relay activation outside 2 pH units from setpoint and isolated analog outputs for easy integration.
- Manual calibration with 1 or 2 points for secure, accurate pH readings.
- Self-priming up to 1.5 m and 2A isolated dosing terminals with overcurrent fuse protection.
- Easy front-panel access for calibration, control, and pump maintenance.
Widely adopted for plating baths, wastewater neutralization, pool pH stabilization, and other industrial water treatment tasks. The BL7916's compact and rugged design ensures consistent, high-precision performance for continuous process control. Explore more pH controllers, chemical dosing pumps, and industrial measurement devices in the EnvMart instruments section.
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