Top 9 ORP Controller Aquarium – Lab pH Meters

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1. Gain Express

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2 in 1 Digital pH and ORP Controller with Separate Relays Repleaceable Electrode BNC Type Probe Water Quality Tester for Aquarium Hydroponics Tank Monitor 14.00pH / 1999mV Calibration Solution

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Gain Express #ad - Electrode: detachable and replaceable BNC type pH and ORP probe. Application: aquacultures, beverage,  clean or wastewater control, water conditioning, fish hatcheries, whirlpool,  quality control, water ponds, hydroponics,  food processing, plating inductry etc. Features: protection dead Band - controller automatically turned-off or shut down to protect your unit from erroneous readings. Measurement range: ph 000~14. 00ph ±01% +002ph accuracy / orp -1999~1999mV ±5mV accuracy. Display: dual 4 led display reading with outout in action LED indicator.
BrandGain Express #ad
ManufacturerGain Express Holdings Ltd #ad
Part NumberPHC-244_US
ModelPHC-244

2. TEKCOPLUS

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Digital 2 in 1 pH ORP Redox Controller Monitor with Electrode Probe BNC Water Quality Meter Output Power Relay Control & Online Continuous Measurement Kit for Aquarium Hydroponics

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TEKCOPLUS #ad - Waterproof standard: the waterproof grade of this multifunctional water quality tester is IP67, which can still be used with high reliability even if it falls accidentally into the water from 15cm to 1m during usage.

Automatic shut-down: it will automatically shut down if there is no operation for around 5 minutes. High performance replaceable probe that is optimized for high accuracy. Helps conserve battery power consumption. 5-in-1: just in one unit you can measure the pH, Conductivity EC, Total Dissolved Solids TDS, Salinity and Temperature of your liquid sample. Easy to operate and get the reading result quickly. Multi-purpose test: portable meter can be carried anywhere to measure water quality at home, seawater, pool water, Drinking Water, laboratory and even in the field such as Hydroponics, tap water, aquarium, etc.
BrandTEKCOPLUS #ad
ManufacturerTekcoPlus Ltd #ad
Part NumberPHTK-160
ModelPHTK-160

3. dhrszpd

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Dhrszpd 3 in 1 PH/Temp/ORP Controller Water Quality Detector BNC Type Probe Water Quality Tester for Aquarium Monitor

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dhrszpd #ad - Easy calibration of pH/ORP with just a mini-screwdriver and automatic temperature compensation. Clear lcd with backlight, 3 results displayed simultaneously. Test temperature in ° / °switchable units and can online monitor and control ORP & pH for a long time. Easy to use and provide instant display of results. Widely used to test the ph / Temperature / ORP Oxidation Reduction Potential of water.
Branddhrszpd #ad
Manufacturerdhrszpd #ad
Weight0 Pounds
Part Numberdhrszpd

4. TEKCOPLUS

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2 in 1 Digital pH & ORP Redox Controller with Separate Relays Repleaceable Electrode BNC Type Probe Water Quality Monitor Tester 2 in 1 pH & ORP Meter

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TEKCOPLUS #ad - Comes with calibration buffer solutions ph 4. 003 / ph 6. 864 / ph 9. 182. Detachable & replaceable : pH and ORP electrode. Wide applications: aquacultures, hydroponics, whirlpool, fish hatcheries, beverage, food processing, water ponds, water conditioning, quality control, clean or wastewater control, plating inductry etc. Provides water parameters: ph: 000~14. 00ph, orp: -1999~1999mV. Large lcd display : Double 4LED Display Reading.
BrandTEKCOPLUS #ad
ManufacturerTekcoplus Ltd #ad
Part NumberPHTK-244
ModelPHTK-224

5. Jieotwice

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Jieotwice PH-803 Digital PH ORP Redox 2 in 1 Controller Monitor with Output Power Relay Control Electrode Probe BNC for Aquarium Plants

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Jieotwice #ad - As for the relay output power sockets, co2-regulator, O3 ozoniser, oxygen pump, eg air outlet stone, you can plug in your owndevice to it, electromagnetic valve and other ORP & pH control devices. Applications & usage: fish hatchery, spa, wine production, paper industry, pisciculture, for analysis of fluids ph-value, grow, Plating industry, floristics, various industrial application, koi, ponds, laboratories, swimming pools, Kois, schools & colleges, analysis of liquids, orchids breed, water conditioning, pool, pool, hemp, Boilere, breeder, Pond, swimming pool bath, etc.

The suitable way for you to keep an eye on the different water parameters in your tank! a must to have a perfect way to automate & regulate the control devices in your aquarium to ELIMINATES FATALITY and MAINTAIN a HEALTHY WATER SYSTEM! Simply set the desired Hi/ Low pH/redox values in the controller.

It comes with 2 bnc electrodes pH and redox and 2 output power sockets. Both electrodes are detachable, they can be replaced easily at any time. It will turn on your device if the currently measured pH or Redox value is lower than your set value, and it will turn off your device if the measured value is higher than your set value. This 2-in-1 ph & orp controller and monitor simultaneously measures and displays both pH value and redox value ORP.
BrandJieotwice #ad
ManufacturerJieotwice #ad
Part Number803

6. Gazechimp

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Gazechimp LCD Display Digital pH and ORP Controller with BNC Type Probe Water Quality Tester for Aquarium Tank Pond Monitor 14.00pH / 1999mV, US Plug

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Gazechimp #ad - Large lcd display screen: 4-bit LED display, easy to read. 2-in-1 ph and orp controller with BNC socket and power socketUS Plug. Wifi connect and esC function, automatic correction, wall mounted design. Widely used for aquacultures, hydroponics, pond, quality control, beverage, fish tank, or inductry etc. Measurement range: ph 000-14. 00ph01% +002ph accuracy; orp -1999-1999mV5mV accuracy.
BrandGazechimp #ad
Manufacturergazechimp #ad
Part Number075507226003326566818

7. Faceuer

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Fish Tanks, PH ORP Controller, PH Water Tester, PH‑ORP Controller, PH Meter, for Swimming Pools Water Sources, Pool Test Kit

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Faceuer #ad - Corrosion resistance, high accuracy, simple maintenance, quick response and more stable data. Simultaneously measure ph/oRP, different water quality and ion oxidation degree to help you remove harmful substances in surrounding water. Wall-mounted design, easy installation and operation, durable and long service life. Real‑time monitoring, through WIFI network settings, you can check the valid data status and water quality changes through your mobile phone. Wide range of applications, can be used in swimming pools, household water sources, chemical plant, fish tanks, etc.
BrandFaceuer #ad
ManufacturerFaceuer #ad
Height0 Inches
Length0 Inches
Weight2.92 Pounds
Width0 Inches
Part NumberFaceuerahf5w2cotq

8. YAZHI-MILA

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3 In 1 PH/TEMP/ORP Controller Water Quality Detector BNC Type Probe Water Quality Tester For Aquarium Monitor

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YAZHI-MILA #ad - Test temperature in ° / °switchable units and can online monitor and control ORP & pH for a long time. Clear lcd with backlight, 3 results displayed simultaneously. Easy to use and provide instant display of results. Easy calibration of pH/ORP with just a mini-screwdriver and automatic temperature compensation. Widely used to test the ph / Temperature / ORP Oxidation Reduction Potential of water.
BrandYAZHI-MILA #ad
Manufacturerlvjuzhuangshi #ad
Weight2.2 Pounds
Part NumberPH-2839

9. RRMY-Digital Multimeter

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Digital Tester, Scientific Measurement 3 in 1 PH/Temp/ORP Controller Water Quality Detector BNC Type Probe Water Quality Tester for Aquarium Monitor Digital Meter

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RRMY-Digital Multimeter #ad - Easy calibration of pH/ORP with just a mini-screwdriver and automatic temperature compensation. Test temperature in ° / °switchable units and can online monitor and control ORP & pH for a long time. Clear lcd with backlight, 3 results displayed simultaneously. Easy to use and provide instant display of results. Widely used to test the ph / Temperature / ORP Oxidation Reduction Potential of water.
BrandRRMY-Digital Multimeter #ad
Manufacturerrouroumaoyi #ad
Weight2.2 Pounds
Part NumberPH-2839