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  • Hanna Instruments BL7917-1 ORP Controller and Chemical Dosing Pump, 115V
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Hanna Instruments BL7917-1 ORP Controller and Chemical Dosing Pump, 115V


List Price: $795.00
Price: $766.06 & FREE Shipping. Details
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Specifications for this item
Brand Name Hanna Instruments
Part Number BL7917-1
Number of Items 1
UNSPSC Code 40151505

The controller/pump is enclosed in a modular housing for maximum protection. The pump utilizes a ... Read full product description


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Product Features

  • ORP controller and dosing pumps in one compact unit
  • Isolated 4 to 20mA recorder output
  • +/-5mV accuracy with unbeatable performance
  • Alarm contact is activated whenever the ORP reading varies more than 200mV from the set point
  • Measures 8-11/16" length by 5-19/32" width by 7-3/32" height

Product Details

Product Description

The controller/pump is enclosed in a modular housing for maximum protection. The pump utilizes a one-piece polypropylene, injection-molded housing. Since there are no joints or screws holding different sections of the housing together, the case is extremely rugged and sturdy. This series of instruments will mount easily in your plant using a minimum of wall space. The controls and pump head are located in the front to allow easy access. ORP controller and dosing pumps in one compact unit. +/-5mV accuracy with unbeatable performance. Isolated 4 to 20mA recorder output. Proportional dosing slows the pump down when the measured ORP level approaches the set value, to avoid over dosage of oxidizing or reducing agents. Alarm contact is activated whenever the ORP reading varies more than 200mV from the set point. Auxiliary contacts allow users to attach a mixer or priming pump that is activated only when the pump is dosing. PVDF, FPM/FKM and PTFE materials are used for all parts that come into contact with liquid. This model is supplied with discharge and suction valves, polyethylene tubing, 115V power cable and instructions. -999mV to +999mV Range. 1mV Resolution. Flow Rate: 13.3 LPH on 0.5 bars pressure, 11.7 LPH on 1.0 bars pressure, 10.1 LPH on 2.0 bars pressure, 9.0 LPH on 3.0 bars pressure, 7.8 LPH on 4.0 bars pressure. 10(12) Ohm input impedance. Proportional, acid or base, user selectable dosage. Dosing Contact; 1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes. Alarm contact: 1 isolated contact, 2A, Max. 240V, resistive load, 1000000 strokes. Power supply: 115V +/-15 percent; 50/60Hz (40W). Environment: 0 to 50 degree C (32 to 122 degree F); RH max 95 percent non-condensing. Measures 8-11/16" length by 5-19/32" width by 7-3/32" height.


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