Product Description
Hanna BL-7917-2 ORP Controller and Pump
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Features Hanna BL-7917-2 ORP Controller and Pump
- ORP controller and dosing pumps in one compact unit.
- ±5 mV accuracy with unbeatable performance.
- Isolated 4 to 20 mA recorder output.
- Proportional dosing slows the pump down when the measured ORP level approaches the set value which avoids over dosage of oxidising or reducing agents.
- Alarm contact is activated whenever the ORP reading varies more than 200 mV from the set point.
- Auxiliary contacts allow the user to attach a mixer or priming pump that is activated only when the pump is dosing.
- High Quality materials are used for all parts that come into contact with liquid.
- ORP controller and dosing pumps in one compact unit.
- ±5 mV accuracy with unbeatable performance.
- Isolated 4 to 20 mA recorder output.
- Proportional dosing slows the pump down when the measured ORP level approaches the set value which avoids over dosage of oxidising or reducing agents.
- Alarm contact is activated whenever the ORP reading varies more than 200 mV from the set point.
- Auxiliary contacts allow the user to attach a mixer or priming pump that is activated only when the pump is dosing.
- High Quality materials are used for all parts that come into contact with liquid.
Order Information:
The BL 7917 series is supplied with discharge and suction valves, polyethylene tubing, power cable and instructions.
Water Resistant – Can withstand temporary exposure to water, but should not be submerged or washed under running water.
Mains powered – All mains operated equipment is compatible with UK AC voltage and frequency – 230V, 50Hz.
Specifications Hanna BL-7917-2 ORP Controller and Pump
| Range | -999 mV to +999 mV | |
| Resolution | 1 mV | |
| Accuracy mV | +5 mV | |
| Flow Rate | 13.3, 11.7, 10.1, 9.0, 7.8 (LPH) | |
| Input Impedance | 1012 Ohm | |
| Dosage | proportional, oxidizing or reducing, user selectable | |
| Recorder Output | 4-20 mA (isolated) | |
| Dosing Contact | 1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes | |
| Alarm Contact | 1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes | |
| Power Supply | 220v | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Dimensions | 181 x 221 x 142 mm (7.1 x 8.7 x 5.6″) | |
| Weight | 5 kg (11 lb.) |
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