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10 Best Orp Meters - Holiday Sale
Best Choice01
PinpointAmerican Marine Pinpoint ORP Monitor by Pinpoint
Main highlights- Powered by a standard 9-volt battery (not included).
- NOTE: ORP Monitors do not give instant readings. It will take at least a minute to get an accurate reading
- Comes with a 10 foot high suppression cable and a BNC connector, and is sold complete with probe (electrode).
9.8Exceptional
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- 02Extech
Extech RE300 ExStik ORP Meter
Free ShippingMain highlights- Wet bulb measurements without slinging
- Unique sensor cap design twists to closed position for protection during storage
- Switchable °F/°C temperature units with 0.1° resolution
- Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature
- Calculates T1-T2 differential (Air Temperature-External Probe Temperature) using optional probe
9.7Exceptional
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Value for Money03GAIN EXPRESSPensize ORP Tester -1200~1200mV with ORP Calibration Buffer Powder for Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter
Free ShippingMain highlights- With Automatic Temperature Compensation (ATC) 0~60°C (32~140°F) making the reading more accurate despite water temperature differences.
- FEATURES: Waterproof IP65 Pensize ORP Redox Meter. Instant reading display with -1200~1200mV measurement range and high accuracy level.
- Carry-everywhere design, lightweight and compact tester with protective sensor cap to avoid contamination
- Automatic calibration and auto off function to conserve battery usage.
- APPLICATION: Excellent tool in water treatment, water laboratory test and even household testing.
9.5Excellent
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- 04Landtek
ORP Meter Digital Pen-Type Water Quality Tester ORP Meter with ATC Function & Calibration, Oxidation Reduction Potential Redox Meter for Drinking Water Aquariums Swimming Pools
Free ShippingMain highlights- Wide Measuring Range: LANDTEK Portable ORP Meter can measure in the range of -1999 to ±1999 mV, with 1 mV increments. Reference range of ORP levels (application)in various Water Treatment Systems: Aquaculture 150-250mW,Cooling towers 250-350mW,Swimming pool 400-475mW,Hot tub 450-600mW,Water disinfected 600mW.
- Quick& Easy Calibration:This ORP/Redox Meter using one-point calibration solution. It is very easy to use.Just Clean the tester electrode and gently dry with paper towel. Dip the electrode into the distilled water for about 5 minutes. Then Turn on the orp meter by the ON/OFF switch, it is located on top of the unit.
- Portable ORP Meter Tester Is Your Reliable Companion Water Test Device. Potable water is everywhere but be careful of what you drink. Water with a positive ORP cannot be drink as water with a high or low pH. Obtain water quality indicators quickly and easily with this ORP Tester Digital for Drinking Water in just a few minutes.Best for household to laboratory and industrial (drinking water,aquariums,aquaculture,waste water,pool,spa, etc.)
- High Accuracy ORP Meter for Water:No more guessing.It's small and portable orp meter tester for measuring the oxidation-reduction potential (ORP) in water. It comes with a high sensitivity electrode sensor that greatly ensure for high measurement accuracy.Easily find out the kind of water you are drinking and how effectively & efficient your filter works.
- ATC Function: The ORP Meter features 0~50°C range of Automatic Temperature Compensation(ATC) function, which is great for reducing the effect of water temperature on ORP readings after calibration.
9.3Excellent
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- 05GAIN EXPRESS
ORP Meter, ORP Redox Meter Tester -1999~1999mV, 1-Point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa
Free ShippingMain highlights- Wide Measurement Range: Accurately measures ORP (Oxidation-Reduction Potential) from -1999 to +1999 mV in 1 mV steps, suitable for testing drinking water, pools, aquariums, wastewater, and industrial applications.
- User-Friendly Design: Large, clear display for easy reading, 1-point calibration with included screwdriver, and automatic temperature compensation (0–50°C).
- Portable & Durable: Compact, includes a shockproof case. High Accuracy & Affordability.
- How to calibration: Clean the electrode and gently dry with paper towel. Dip the electrode into the distilled water for about 5 minutes. Turn on the unit by the ON/OFF switch, it is located on top of the unit.
- Experience the convenience of our mini-sized pH meter, carefully designed to fit in your pocket effortlessly. With its compact size, you can now take measurements anytime, anywhere. Whether you're at the pool, on a trip, at the beach, or camping, this portable pH meter is your reliable companion for accurate testing.
9.0Excellent
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- 06Landtek
7 in 1 Water Quality Tester Pen-Type TDS ORP Meter PH Tester for Drinking Water Pools Aquariums hydroponic Cooking Measuring PH/TDS/EC/ORP/Salinity/S.G/Temperature Multi-parameters, ATC Function
Free ShippingMain highlights- Versatile Application - This Pen-type ph meter is compact, portable and waterproof, ideal for all-around applications like testing of drinking water, laboratory testing, hydroponics, Spa, aquariums and sea water.
- Twice salinity meters: Salinity % and Salinity ppm Measurement.This water Tester can test salinity of freashwater or sea water. Very conveniently and easily keep track of saline levels by either percentage or ppm. Great for saltwater pools,aquarium,saltwater spas or anywhere salt levels are critical.
- PH Meter with Automatic Temperature Compensation(ATC): The PH METER is equipped with a highly sensitive glass probe ensuring for accurately measuring the pH value of the sample within the temperature range of 0℃-60 ℃ (32°F-140°F), which can perfectly solve the error caused by the liquid temperature change, thus making the PH value more accurate.
- Accurate pH Tester: Pentype digital water testing kits measuring range from 0-14pH with a 0.01 pH resolution. This water pH meter employs a 3-point calibration method to calibrate the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18. Measurement accuracy is easily ensured through One touch calibration.
- 7-in-1 Water Quality Meter : It's capable of measuring multi-parameters for water quality, such as PH(acidity and alkalinity), TDS (total dissolved solids), EC (electrical conductivity), ORP (oxidation-reduction potential), S.G (specific gravity), Salinity and Temperature. Simply press the {MODE/CAL} key to switch between the values to be measured,making it easy to use and suitable for testing most common aqueous solutions.
8.7Very Good
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- 07Walfront
Digital PH ORP Monitoring Equipment ORP Meter Kit PH Measurement Temperature Control Monitor 4LED Display 0-14PH -1999~1999mv(US Plug 110V)
Free ShippingMain highlights- ►【WITH DATA LOCK FUNCTION】-- Display: 4LED Display. With data lock function, it is convenient to record and save measurement data
- ►【REPLACE ELECTRODE EASILY】-- Equipped with BNC composite electrode, convenient to replace the electrode and improve the performance
- ►【PORTABLE PH/ORP MONITOR】-- Portable PH/ORP monitor, easy to use, and long‑lasting, with strong practicability
- ►【ORP TEST RANGE ‑1999‑1999MV】-- The test range is PH: 0‑14PH, ORP: ‑1999‑1999mv, high accuracy, stable performance, and small error
- ►【4LED DIGITAL DISPLAY】-- Using 4LED digital display, it is convenient to read the measurement data clearly and accurately
8.6Very Good
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- 08Qiilu
Orp Monitor Kit Orp Meter Water Orp 169 Portable Water Quality Monitor Digital Orp Tester Pen Detachable Water Orp Meter
Free ShippingMain highlights- Orp Tester For Water The Resolution Of Orp Tester Is 1 Mv, Very High Sensitivity.
- Orp Monitor Kit The Tester Is Made Of Electronic Components To Ensure
- Orp Monitor Kit Compact And Portable Pen Design,Easy To Operate And Storage.
- Orp Meter Water Large And Clear Lcd, Easy To Read And Accurately Measuring Functions.
- Orp Meter Pen Suitable For Water Sources, Aquariums, Hydroponics, Swimming Pools And Other Water Systems.
8.5Good
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- 09DANOPLUS
Pen Type ORP Tester Redox Meter ±1999mV Range, Water Quality Tester for Water Testing, Aquarium
Free ShippingMain highlights- 【Operation】Submerge the probe into the solution until the reading stabilizes.
- 【Measure Range】-1999-1999mV.
- 【Calibration】Complete Kit with 256mV calibration solutions.
- 【Applications】Widely applications for ,water purification systems, hydroponics, swimming pools, , aquarium, etc.
- 【Accuracy】 ±5mV Accuracy .
8.4Good
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- 10UIUZMAR
UIUZMAR Hydrogen Water Tester pH Meter 6 in 1 pH H2 ORP TDS EC Temp Tester Dissolved Hydrogen Tester for Hydrogen Water Bottle pH and ORP Meter for Household Drinking Water Hydroponics Pool
Main highlights- [pH PPM EC Meter for Home Hydroponic System] Work great for monitoring pH PPM EC level and water temp, easy to use and repeatable enough to help you keep hydroponic tank balanced. Widely used in hydroponics, aquaponics, DWC, and pH water system.
- [Valuable and Reliable Hydrogen Water Tester This tester specifically to test hydrogen levels in water treated with hydrogen water bottle. The hydrogen tester has a range of 0-2400ppb/0.001-2.400ppm, allowing for the accurate measurement of hydrogen concentration in drinking water. The UIUZMAR H2 meter is capable of quickly measuring the hydrogen levels in various sources such as hydrogen water bottles and hydrogen water systems.
- [Hydrogen Water ppb/ppm Test Kit] This hydrogen water test pen has 2 H2 modes (ppb/ppm). Short press MODE/CAL button to easily converse between ppb and ppm modes. The H2 tester utilizes an upgraded version of the electrode polymer reference, enabling it to obtain accurate and stable readings more efficiently. Additionally, the cover contains a sponge with protective fluid, which serves to prolong the service life of the meter.
- [High Accuracy pH and ORP Meter] With pH and ORP functions, easily monitor important parameters in your water. By routinely monitoring pH and ORP levels can adjust your water treatment plan accordingly. With a high accuracy of 0.01 resolution, pH meter provides precise readings, ensuring that you get accurate information in your water.
- [6 in 1 Multi-function Meter] pH Tester offers a comprehensive 6-in-1 solution for pH, hydrogen concentration, ORP, TDS, EC and temperature. Gives reading very quickly and accurate and is perfect for checking liquid. Suitable for swimming pool hot tubs spas, drinking water, RO water, well water, ponds, beverages, brewing, and aquarium.
8.3Good
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