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BL 7917 ORP Controller & Pump

ORP controller and dosing pump 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 oxidizing or reducing agents. Alarm contact is activated whenever the ORP value varies by more than 200 mV from the setpoint. Auxiliary Contacts allow the user to attach a mixer or priming pump that is activated only when the pump is dosing. Kynar® & Teflon® materials are used for all parts that come in contact with the liquids being pumped.

Specifications

	BL 7917-1	BL 7917-2
Power Supply:	110/115V 50/60 Hz ±15% (40W)	220/240V 50/60 Hz ±15% (40W)
Range:	0 to ± 999mV
Resolution:	1 mV
Accuracy:	± 5 mV
Input:	High impedance 1012 Ohm
Dosage:	Proportional; oxidizing or reducing. User selectable
Dosing Contact:	Isolated, 2A, Max. 240V, resistive load, 1,000,000 strokes
Alarm Contact:	Isolated, 2A, Max. 240V, resistive load, 1,000,000 strokes
Recorder Output:	4 to 20 mA, isolated
Max. Capacity:	See Chart Below
Environment:	32 to 122°F (0 to 50°C)
Dimensions:	7.1L x 8.7W x 5.6H" (181L x 221W x 142H mm)
Weight:	11 lbs. (Approx. 5 Kg)

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BL 7917 Maximum Capacity
Flow		Pressure
PSI	BAR	GPH	LPH
14.7	1	3.96	15.00
29.4	2.0	3.56	13.50
58.8	4.0	2.90	11.00

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Cat. No.	Model/Description	Price
12K19	BL 7917-1 ORP Controller & Pump (110/115V)	$845.00
12K20	BL 7917-2 ORP Controller & Pump (220/240V)	845.00
HI6200405	Amplified platinum ORP Electrode with matching 5m (16.5 ft) cable, BNC Connector - for oxidizing  *Picture of electrode and description shown below.	184.00
HI6200505	Amplified gold ORP electrode with matching 5m (16.5') cable, BNC connector - for reduction	184.00

Kynar® is a registered Trademark of "Pennwalt Corp."
Teflon® is a registered Trademark of "du Pont de Nemours & Co."

These new sensors have a body designed for easy installation, requiring no special tools.  Continuous in-line mounting is possible thanks to the 3/4" NPT external thread on each end.  No special holders are required for installation:  these electrodes can be used with any standard 3/4" pipe tees available on the market or the back end can be easily attached to a pipe for dip applications.  In order to reduce normal contamination coming from industrial use, the electrodes combine a polymer reference electrolyte and double-junction technology: no refilling is required, and the electrode can be used in samples such as organic compounds, proteins, heavy metals and high pressure applications (up to 6 bar).  In addition, the pH electrodes use an annular Teflon® junction that maximizes the surface area of contact and minimizes clogging and response time.  The ORP electrodes also feature an integral potential matching pin and utilize a platinum or gold sensor.  These industrial probes have a Kynar® body giving them superior resistance against extreme temperatures and mechanical and chemical stress.

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For sales outside the US contact Kernco Instruments for appropriate prices for your country.

 



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