As an Amazon Associate I earn from qualifying purchases.
Gain Express #ad - Multiple readings6 parameter in one meter: ph / temperature °C, °F / conductivity / orp / TDS Total Dissolved Solids and Salinity. Auto compensationwith automatic Temperature Compensation, Compact housing IP57 waterproof and it floats on water.
Multi parameter pentype water quality tester with large, easy to read and clear LCD. Wide rangesmeasurement ranges: ph -2~16ph; temperature 0~90°c 32~194°f; conductivity 0~2000μs / 2.
Multi-functionsapplication: an ideal tool for all water quality testing like agriculture, Swimming pool & Spa, Cooling tower, Aquarium, Laboratory usage, Water Treatment, Drinking Water, hydroponic, Plating industry, Garden husbandry, Fish Farming, Boiler, Food industry, Anti-freeze Recycling, Chemical Industry, etc.
Kuuleyn #ad - Applicable to: water quality test pens have a wide range of applications, such as water purification systems, hydroponics, swimming pools, aquaculture, aquariums, etc.
Led display: the test pen has an led digital display, the measurement result is intuitively displayed, the reading is clear, and the operation is convenient. Battery: orp test pen battery is powered by a large-capacity button battery, with low power consumption, stable performance and long service life.
Walfront #ad - Large and clear lcD with backlight, easy to read and accurately measuring functions. Compact and portable pen design, easy to operate and storage. Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems.
Huanyu #ad - Measurement range: -1999mv ~ 1999mv; Resolution: 1mV ; Accuracy: +5mV. Pen-type design: compact and portable, its mini small size makes it easy to carry with. Certification：with ce rohs marking, passed & comply with all the necessary health and safety required standards set by the European Directives.
Shanrya #ad - High accuracy, it is highly sensitive and can accurately measure data, helping to better measure and record. Clear liquid crystal display, its large screen, with backlight function, easy to read and accurate measurement function.
Walfront #ad - It uses automatic temperature compensation to reduce chip error. High accuracy-- this water tester is equipped with a high?sensitivity probe, rapid response, can be accurate at various temperatures.
Low power consuption-- water quality testing pen is powered by large?capacity button battery, it will automatically shut down in 10 minutes, saving energy. Wide application-- water test meter can be widely used in water purification systems, hydroponics, aquaculture, swimming pools, aquarium and more.3
Atyhao #ad - Adopts the digital screen display with backlight, which is more clear and convenient to read data. Suitable for domestic water, swimming pool, laboratory, food salinity, fish tank, aquaculture, aquarium, farmland, etc.
A sixx #ad - Ip67 waterproof, this meter can still be used when dropping into the fish tank, convenient to use. It features high performance, pen shape, fast numerical stability and accurate calculation result. Suitable for domestic water, farmland, swimming pool, fish tank, aquaculture, laboratory, food salinity, aquarium, etc.
LiebeWH #ad - Featuresthe digital ph tester has LED digital display, the measurement result can be displayed intuitively, which is convenient and easy to read the numbers.
Advantagethe portable water quality tester is powered by large‑capacity button battery, low power consumption, stable performance and long service life. Functionthe water quality tester is equipped with a high‑sensitivity probe, which has rapid response, realize more accurate measurement function.
A sixx #ad - Support salinity, stable performance, ORP measurement, PH, EC, TDS, to help you conduct water quality testing. Suitable for domestic water, laboratory, aquaculture, aquarium, fish tanks, food salinity, farmland, swimming pool, etc.
The waterproof and dustproof grade is IP67, supports short time immersion, convenient for seawater testing and water quality testing.
1. Gain Express
#ad6-in-1 Waterproof pH/ORP/TDS/EC Conductivity/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe
#adMulti parameter pentype water quality tester with large, easy to read and clear LCD. Wide rangesmeasurement ranges: ph -2~16ph; temperature 0~90°c 32~194°f; conductivity 0~2000μs / 2.
More information #ad
00~2000ms; tds 0~1300ppm / 1. 30~13. 00ppt; orp -1000~1000mv; salinity 0~1000ppm / 1. 00~12. 00ppt. Portable designsmart pen type combo water quality tester. Does not require a power supply to operate, so it can be used anytime and anywhere. Multi-functionsapplication: an ideal tool for all water quality testing like agriculture, Swimming pool & Spa, Cooling tower, Aquarium, Laboratory usage, Water Treatment, Drinking Water, hydroponic, Plating industry, Garden husbandry, Fish Farming, Boiler, Food industry, Anti-freeze Recycling, Chemical Industry, etc.
| Brand | Gain Express #ad |
| Manufacturer | Gain Express Holdings Ltd. #ad |
| Height | 8 Inches |
| Length | 9 Inches |
| Weight | 1.52 Pounds |
| Width | 3 Inches |
| Part Number | M0199720-ORP |
| Model | M0199720-ORP |
More information #ad
2. Kuuleyn
#adORP Meter for Testing Water,ORP Meter,Portable ORP Conductivity Tester Meter Water Quality Testing Pen with LED Display for Aquarium
#adLed display: the test pen has an led digital display, the measurement result is intuitively displayed, the reading is clear, and the operation is convenient. Battery: orp test pen battery is powered by a large-capacity button battery, with low power consumption, stable performance and long service life.
More information #ad
3 modes: the water quality point detection pen has temperature, and uses automatic temperature compensation to reduce chip errors, calibration, and lock, which can be selected according to needs. Sensitive: equipped with a high-sensitivity probe, the response is rapid, and more accurate measurement can be achieved through your work efficiency.| Brand | Kuuleyn #ad |
| Manufacturer | Kuuleyn #ad |
| Height | 0 Inches |
| Length | 0 Inches |
| Weight | 0.35 Pounds |
| Width | 0 Inches |
| Part Number | Kuuleynpasxe0mofq |
More information #ad
3. Walfront
#adORP2069 Portable Water Quality Measuring Testing Water Monitor Digital ORP Tester Pen Water ORP Meter
#adMore information #ad
The resolution of ORP tester is 1 mv, very high sensitivity. The tester is made of high quality electronic components to ensure high accuracy.| Brand | Walfront #ad |
| Manufacturer | Walfront #ad |
| Height | 3.94 Inches |
| Length | 3.94 Inches |
| Weight | 0.26 Pounds |
| Width | 3.94 Inches |
| Part Number | Walfrontvkgepcri206419 |
More information #ad
4. Huanyu
#adHuanyu 2 in 1 PH Tester ORP Meter Water Quality Analyzer with -1999 to 1999mV testing range supported for Aquarium Laboratory Pool Hydroponics Home ORP-2069
#adMore information #ad
2 in 1 functions: it can test the PH & ORP values at one time. Applications: widely used in water sources, spas, hydroponics, aquarium, swimming pools and other water systems.| Brand | Huanyu #ad |
| Manufacturer | Huanyu #ad |
| Part Number | ZMY-147 |
More information #ad
5. Shanrya
#adShanrya Digital ORP Meter, ORP‑BL Oxidation Reduction Potential Tester Negative Potential Testing Pen Hydroponic Water Monitor ORP Testing Pen for Home Office
#adMore information #ad
Replaceable sensor probe, it can replace the probe according to the situation, prolong the service life. Small and exquisite design, it is lightweight and portable, easy to operate and store, and will not take up extra space. With an ip65 waterproof rating, it can ensure that its components will not be damaged while the test is accurate.| Brand | Shanrya #ad |
| Manufacturer | Shanrya #ad |
| Part Number | Shanryap6s58etod01766 |
More information #ad
6. Walfront
#adWater Test Meter ORP-100 Water Quality Testing Pen LED Display Conductivity Tester for Drinking Water and Aquariums
#adLow power consuption-- water quality testing pen is powered by large?capacity button battery, it will automatically shut down in 10 minutes, saving energy. Wide application-- water test meter can be widely used in water purification systems, hydroponics, aquaculture, swimming pools, aquarium and more.3
More information #ad
3 modes-- this meter has 3 different modes, including temperature, calibration, locking. Equipped with led display-- the conductivity tester is designed with a clear LED digital display, the measurement result can be displayed directly for easy reading, convenient to operate.| Brand | Walfront #ad |
| Manufacturer | Walfront #ad |
| Height | 0 Inches |
| Length | 0 Inches |
| Weight | 0.35 Pounds |
| Width | 0 Inches |
| Part Number | Walfrontizyesq0369 |
More information #ad
7. Atyhao
#adMultifunction Pen Type Water Quality Testing Meter Salinity PH TDS EC ORP Tester, Atyhao Water Quality Tester
#adMore information #ad
Ip67, this meter can still be used when dropping into the fish tank, convenient to use. It features high performance, pen shape, fast numerical stability and accurate calculation result. It is a multifunctional water quality tester, which can test salinity PH TDS EC and ORP of the water.| Brand | Atyhao #ad |
| Manufacturer | Atyhao #ad |
| Height | 1.97 Inches |
| Length | 8.27 Inches |
| Weight | 0.35 Pounds |
| Width | 3.15 Inches |
| Part Number | Atyhaowanbk7pz9f |
More information #ad
8. A sixx
#adA sixx EC and Temperature Test Pen,Multifunction Pen Type Water Quality Testing Meter Salinity PH TDS EC ORP Tester Ideal Water Test Meter for Drinking Water Aquariums TDS Meter Digital Water Tester
#adMore information #ad
It is a multifunctional water quality tester, which can test salinity PH TDS EC and ORP of the water. Adopts the digital screen display with backlight, which is more clear and convenient to read data.| Brand | A sixx #ad |
| Manufacturer | A sixx #ad |
| Height | 0 Inches |
| Length | 0 Inches |
| Weight | 0.35 Pounds |
| Width | 0 Inches |
| Part Number | A sixx98dcn20b17 |
More information #ad
9. LiebeWH
#adHydroponics, with Small Size, Laboratory, for Aquarium, Water Quality Testing Pen with LED Display, Lightweight, Water Tester, Portable ORP Conductivity Tester Meter
#adAdvantagethe portable water quality tester is powered by large‑capacity button battery, low power consumption, stable performance and long service life. Functionthe water quality tester is equipped with a high‑sensitivity probe, which has rapid response, realize more accurate measurement function.
More information #ad
Wide applicationthe ph water tester is suitable for water purification systems, hydroponics, aquaculture, swimming pools, aquarium. There modesthe digital water quality tester has 3 modes, including temperature, locking, calibration, use automatic temperature compensation to reduce chip error.| Brand | LiebeWH #ad |
| Manufacturer | LiebeWH #ad |
| Height | 1.97 Inches |
| Length | 8.27 Inches |
| Weight | 0.35 Pounds |
| Width | 3.15 Inches |
| Part Number | LiebeWHke21wi0z7q2565 |
More information #ad
10. A sixx
#adA sixx High Accuracy ATC Tester,Waterproof Electronic Salinity PH TDS EC ORP Tester Hydrometer Water Quality Testing Tool TDS Meter Digital Water Tester PPM Quality Testing Tool
#adThe waterproof and dustproof grade is IP67, supports short time immersion, convenient for seawater testing and water quality testing.
More information #ad
With a mini display and no backlight, it can display the measurement results intuitively and clearly, convenient to use. With a high-accurate detachable probe, the measurement error is small, which can prevent accidental damage of the probe.| Brand | A sixx #ad |
| Manufacturer | A sixx #ad |
| Height | 0 Inches |
| Length | 0 Inches |
| Weight | 0.37 Pounds |
| Width | 0 Inches |
| Part Number | A sixx5ghn0xiq64 |
More information #ad
