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Home » Aquarium Supplies  » Controllers & Monitors  » Multifunction  »  Duo-ORpH Controller (Probe not Included)
Duo-ORpH Controller (Probe not Included)

Duo-ORpH Controller (Probe not Included)

This item has been discontinued
Item #:
CP2311

Duo-ORpH Controller (Probe not Included) Information


Product Manuals & Documentation

Enjoy affordable but highly effective water pH controller by simply using the Duo-Orph Controller from Pet Store. Known to be the cheapest dual controller offered in the market, this device can accurately monitor the water pH and ORP instantly. It has specially designed electrodes that can monitor both ORP and pH readings all the time and also controls either the ORP or ph devices.

The Duo-Orph Controller is equipped with a digital controller that displays the level of pH and orp in the wide LED window. This allows you to easily read and interpret the results. It has a premium-quality impedance that minimizes reading error. The slope and calibration knob is adjustable and allows you to calibrate pH levels either at single point or at dual points, depending on your need. It has an on and off control button for easier operation. Turning the on button on top of the set point measures the water pH while that on the bottom measures the ORP. The LED also reflects if your unit is on, and it indicates which one you are measuring, the pH or the ORP.

The Duo-OR pH Controller requires the use of pH or ORP probe or both and you must buy these separately for your unit to perform your desired application. This controller does not have whistle or bells that are not necessary for its efficient performance. It has easy to use control guidelines for your convenient use.

Dual monitoring of pH and ORP with a large LED display and control of either pH or ORP. Highly accurate.
  1. Digital pH-ORP controller with large size LED display for easy reading.
  2. High input impedance avoid measuring error.
  3. Built in SLOPE and CALIBRATION adjustment knob, easy for single point or two points pH calibration.
  4. "ON - OFF" control, the relay "ON" when measuring value is above the set point for pH.
  5. And the relay "ON" when measuring value is below the set point for ORP.
  6. Front LED lamp indicate when relay "ON".
The Duo-OR pH Controller is probably the least expensive dual controller on the market today. But don`t be fooled by its price, it is extremely accurate. It does not have those bell & whistle features which you may not need, nor do you have to read a novel-thick of instruction booklet to study the Solar & Lunar phases. Its control is very straightforward. Buy either the pH or ORP probe (or both) for various applications.

With the electrodes in place, it can monitor both the pH and ORP readings at all times while controlling either the pH- or ORP-related devices. If one needs only a pH controller, just buy the pH electrode with the controller, and vice versa for the ORP application.

This spec. sheet tells you clearly why the controller is considered to be highly-accurate even to a professional (industrial) standard.

For Freshwater Aquarists - Get the Duo-ORPH Controller and a pH Electrode to control your CO2 System.
For Fish-Only Marine Aquarists - Get the Duo-ORPH Controller and both pH and ORP Electrodes to control your ozonizer and monitor your pH.
For Reef Aquarists - Get the Duo-ORPH Controller and both pH and ORP Electrodes to control your CO2-Ca Reactors and monitor your ORP.

General Specifications:
  pH ORP
Measurement 0 to 14 pH -1999 to 1999 mV
Resolution 0.01 pH 1 mV
Accuracy at 25 C ± (0.01 pH + 1 digit) after calibration ± (1 mV + 1 digit)
Impedance 1012 ohms 1012 ohms
Control Range 3.5 to 10.5 pH 0 to 1000 mV
Calibration Knob External pH 4 (SLOPE) pH 7 (CAL.)  


Relay Contact 10A for 125V AC 8A for 240V AC
Sampling Time 0.5 second
Display 0.5" LED, 3-1/2 digits
Operating Temperature 32 F to 122 F
Operating Humidity Max. 90% RH
Power Supply AC 110 V, ± 10%, 50/60 Hz
Power Consumption Approx. 2 watts
Dimension 5.9" x 3.4" x 1.6"
Weight 1.2 lb (incl. power cable)
pH Electrode BNC Connector
ORP Electrode BNC Connector


Note: Does not come with probes. Click here to see available probes.




Manufacturer Info

Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.

Duo-ORpH Controller (Probe not Included) Reviews



Average Rating
(3 reviews)
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duo orp ph controller

by
Reviewers Rating Excellent!


Posted: 3/4/2014 from SAINT LOUIS, MO UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: Very simple to calibrate clean setup for controller power


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Great Customer Support

by
Reviewers Rating Excellent!


Posted: 11/7/2010 from SISTERS, OR UNITED STATES
5.0 5
Experience Level: Expert


Comments: I've had the same controller for over 10 years and recently needed to replace the PH probe. When the new one arrived it lacked instruction on resetting the controller. Staff was great on troubleshooting the old controller and working with issues on the new probe.This is a great product and does the job without all the bells and whistles......I would recommend this probuct.


2 of 2 People found this review helpful, did you? Yes No




Great

by
Reviewers Rating Excellent!


Posted: 6/29/2008 from Long Beach, CA UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: The controller works great but the pinpoint orp probe does not work so I will have to return it this week.


3 of 4 People found this review helpful, did you? Yes No


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