Best Orp Messgert 2026

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Last Updated - 03.02.2026

Best Choice

01

OCS.tec

Redox Meter Chlorine ORP MV Faulty Gas Pool Swimming Pool Pond RE1

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9.8

Exceptional

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Product Type: CHEMICAL_TEST_STRIP
OCS.tec ORP Redox measuring device for marine water quality reef aquariums ponds fish RE1
Brand: OCS.tec

55,99 €
Value for Money

02

GAIN EXPRESS

Pensize ORP Tester -1200~1200mV with ORP Calibration Buffer Powder for Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter

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9.6

Exceptional

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With automatic temperature compensation (ATC) from 0 to 60 °C (32 to 140 °F), which makes the measurement more accurate despite water temperature differences.
Portable, lightweight and compact tester with sensor protection cap to prevent contamination
FEATURES: Waterproof IP65 Pensize ORP Redox Meter Instant readings with a measuring range of -1200 to 1200 mV and high accuracy.
Automatic calibration and automatic shut-off function to save battery consumption.
APPLICATION: Excellent tool for water treatment, water lab testing and even household testing.

38,00 €
03

Uikdjgu

Uikdjgu ORP Calibration Powder Buffer Powder ORP Tester Measure Calibration Solution 256MV Pack of 3

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9.4

Excellent

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This product is a disposable product and cannot be stored. It is recommended to buy more at once if needed to get a larger discount.
It is recommended to perform the calibration once a week

9,38 €
04

DANOPLUS

Digital ORP Meter with Automatic Calibration & ORP Buffer Powder, -1200~1200mV High Accuracy ORP Tester for Testing Water

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9.3

Excellent

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️VERSATILE AND PRACTICAL Suitable for a variety of applications, from household to laboratory and industrial applications. It can be used for drinking water tests, aquariums, wastewater treatment, swimming pools, aquacultures, spas and much more.
️Specifications: The measuring range is -12001200mV with an accuracy of ±2mV for ORP and ±0.5°C for temperature (@25°C/77°F). It works in an environment of 060°C (32~140°F) with a relative humidity below 90%. The device is powered by 3 x 1.5 V LR44 button cell batteries and weighs approx. 80 g with dimensions of approx. 187 x 37 x 37 mm.
️Reliable measurement of water disinfection: this device measures the oxidation reduction potential (ORP), a reliable indicator of bacteriological water quality. It helps in assessing the effectiveness of water disinfection by measuring the strength of the ORP.
️Convenient and compact design: with its compact pen size and light weight, it offers mobility and ease of use. It is IP65 waterproof and has a HOLD function, an automatic shut-off after 10 minutes idle time and a low battery indicator.
️Automatic calibration and temperature selection: The device has an automatic calibration function for accurate readings. You can also select the temperature unit (°C/°F) to increase comfort.

34,99 €
05

Oxxggkao

ORP Buffer Solution Suitable ORP Tester Meter Measurement Calibration Fluid 256 Correction Powder

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9.2

Excellent

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❉ Solves problem inconvenience expensive transport ORP correction fluid.
❉ ORP correction more convenient easier.
❉ Correction powder buffer powder developed. Note that test pen contains a shape that shows powder function.
❉ Add 50 ml of distilled or purified to a pack.
Comfortable to carry.

3,99 €
06

UTTASU

Professionelle ORP Tester Messsonde mit BNC Q9 Anschluss Genaue Messung für verschiedene Wasserquellen

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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【pH-Messfähigkeit】- Bei Verwendung mit einem pH-Messgerät ermöglicht diese Sonde eine präzise Messung und Einstellung des pH-Wertes in wässrigen Lösungen.
【Starke Leitfähigkeit】- Hergestellt aus robusten Materialien, bietet diese Ersatzsonde eine hohe Leitfähigkeit für zuverlässige ORP-Messungen.
【Sicher und weit verbreitet】- Hergestellt aus körpersicheren Materialien, bietet diese Sonde eine gute Leitfähigkeit und wird häufig bei der Prüfung wässriger Lösungen verwendet.
【ORP-Tester Messsonde für Wassertesting】- Entwickelt für die Messung des Oxidationsreduktionspotenzials (ORP) in verschiedenen Wasserquellen, sorgt diese Ersatzsonde für genaue Messwerte.
Kompatibel mit BNC-Q9-Anschlüssen: Entwickelt, um mit ORP-Messgeräten und Controllern mit BNC-Q9-Anschlüssen kompatibel zu sein, ist diese Sonde perfekt für den Einsatz in Aquarien, Hydrokulturen, Schwimmbädern und anderen Wassersystemen.

18,81 €
07

Oumefar

Portable Water Quality Monitor Temperature Combo Meter Tester Digital ORP Tester Pen Water ORP Meter for Water Quality Aquarium Tank Swimming Pool

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8.9

Very Good

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Use: the ORP instrument is an ideal tool for professional detection of the water level. It is suitable for water sources, aquariums, hydroponics, swimming pools and other water systems. It is widely used with many places and strong practicality
Specifications: Model: ORP2069, measuring range: 0 ± 1999 mg / LmV, resolution: 1 mV, accuracy: ± 5 mV, operating voltage: 4 x 1, 5 V (AG 13 battery) (without inclusion), working temperature: 0 °C to 50 °C, correction: 1 point correcture
Excellent performance: the tester not only uses high-quality electronic components to ensure high precision, but the resolution of the redox tester is 1 mV, with high sensitivity, good performance, good quality, easy and durable use
Easy to use: Immerse the electrode of the redox meter into the solution and wait until the measured value is stable before you see the redox value. It is easy to use, even beginners can use it safely, practical and easy to use
Accurate and reliable: large and clear LCD display with backlight, easy to read and accurate measurement function, small and portable pen design, easy to use and store, easy to use and instant display results

33,99 €
08

Oumefar

Water Quality Monitor ORP Meter ORP Tester Potential Digital for Indoor Use for Water Sources for Swimming Pools

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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¡¾Specification¡¿ Model: ORP2069 £¬ Measuring range: 0 ¡À 1999 mg / LmV £¬ Resolution: 1 mV £¬ Accuracy: ¡À 5 mV £¬ Operating voltage: 4 x 1, 5 V (AG 13 battery) (without inclusion) £¬ Working temperature 0 ¡æ50 ¡æ £¬ Correction: 1 point correction
Excellent performance: the tester not only uses high-quality electronic components to ensure high precision, but the resolution of the redox tester is 1 mV, with high sensitivity, good performance, good quality, easy and durable use
Easy to use: immerse the electrode of the redox gauge into the solution and wait until the measurement value is stable before you see the redox value. It is easy to use, even beginners can use it safely, practical and easy to use
Application: the redox instrument is an ideal tool for professional detection of the water level. It is suitable for water sources, aquariums, hydroponics, swimming pools and other water systems. Es ist weit verbreitet mit vielen Orten und starker Praktikabilit?t
Accurate and reliable: Large and clear LCD display with backlight, easy to read and accurate measuring function, small and portable pen design, easy to use and store, easy to use and instant display results

27,89 €
09

DANOPLUS

ORP Electrode Interchangeable BNC Socket Probe for ORP Tester Meter Regulator 300 cm Long Cable Aquariums, Tanks, Pond Measurement

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Measuring range: 0 to ± 1999mV with ± 0.1% F · S ± 1-digit accuracy
Ideal for ORP meters, ORP controllers or other ORP devices with BNC input
Flexible measuring with a 300 cm cable
BNC connector replaceable redox electrode with protective cap and carry case
Applicable for general water applications such as drinking, industrial and rainwater, aquariums, tanks, ponds, pools, baths, etc.

34,90 €
10

Hosrivae

3 in 1 Tragbarer Wasserqualitätstester für pH ORP und Messung mit automatischer Kompensation, Kunststoff weiß 18 x 4,2 x 3 cm

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Vielseitig einsetzbar: Perfekt für Aquakultur, Schwimmbäder, Hydrokultur und andere Wasserqualitätsbewertungen
Tragbares Design: Kompakte und leichte Konstruktion macht es für Tests unterwegs in verschiedenen Umgebungen
TRI PARAMETER TESTING: Müheloses Messen von pH-Wert, Redox, und gleichzeitig für eine umfassende Wasseranalyse
Automatische Kompensation: garantiert genaue Messwerte von 1 °C bis 60 °C
0°C unter verschiedenen Bedingungen

24,38 €