ReviewsSeawater Salinity Test Pen

APERA INSTRUMENTS AI485 DO8500 Portable Optical Dissolved Oxygen Meter Kit Auto Compensation for Temperature Air Pressure and Salinity GLP Data Management

Equipped with state-of-the-art Optical DO sensor: measures dissolved oxygen level in a RELIABLE and EFFORTLESS manner.
Minimal maintenance required. Quick and easy calibration.
Automatic compensation for salinity, temperature& air pressure.
Glp data management, 500 groups of data storage, usb data output.
Comes with a complete test kit, including the meter, 10ft optical probe and salinity probe, a calibration cap, and a rugged carrying case.

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MY MIRONEY 2-Pack Salinity Tester Sea Hydrometer Salinity Meter Specific Gravity Test for Aquarium Fish Tank Water Marine Saltwater

If the specific gravity between 1.020-1.023,show that the specific gravity is nomal..
Designed with an automatic level function,can automatically identify the level to avoid errors..
The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result..
Fit for brackish and marine aquariums. Perfect for testing both salinity and specific gravity of your brackish and marine tank..
The outside rang of scale indicates salinity(PPT). The inside range of scale indicates gravity. And with safe zone clearly indicated..

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HOICATED Digital Salt Pool Tester Range 0-9999ppm for Saltwater Pool Swimming Pool and Koi Fish Pond Salt Level Testing Professional Sodium Chloride Meter

Auxiliary tool for salt chlorinator: This salinity tester is specially designed for salt water pool with salt chlorinator generator. It can help to detect the salt level of the salt water pool and ensure the normal operation of the machine. The salt level in the ideal range is 2700ppm to 3400ppm..
Application: This salt tester can be used in saltwater pool, swimming pool, koi fish pond and spa. With this tester, save a trip to the pool store. It is not suitable for sea, marine, salt Water fish tank or food..
Dual color backlit design: Backlight design guarantees that reading the result can in low light or dark environment. And it has a prompt for the color change of the display, if the salt level is lower than 2700ppm or higher than 3400ppm, the screen will display red. This function can remind that the salt water pool is in an abnormal situation and taking corresponding measures in time is essential..
Multifunction: Its function has SALT, EC and TEMP. Salt range: 0-9999ppm. EC range: 0-9999μs/cm & 10.0-19.9ms/cm. EC function general uses for hydroponic system and indoor plant grow..

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Salinity Refractometer for Aquarium, Marine Monitoring, Saltwater Testing, Dual Scale Salinity Tester 0-100 PPT& 1.000-1.070 Specific Gravity Saline Seawater Refractometer Hydrometer with ATC

DUAL SCALES - Saltwater Refractometer measures on specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰, you can get the result in two different units by one test.
WIDELY USE - The Refractometer designed for Aquariums, Marine Monitoring, Agricultural and Educational Purposes. Help you to control concentration of salt water easily.
EASY TO USE - Put 2-3 drops of sample solution after calibration on prism, towards light, then get the accurate readings. Aquarium refractometer is ideal for replacement salinity hydrometers or expensive digital salinity tester.
ATC FUNCTION - Aquarium hydrometer features Automatically Temperature Compensate function and always provide you accurate readings fast.
DURABLE & PORTABLE - Saline refractometer is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion, sturdy for long time use. Portable refractometer with plastic case easy to carry.

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Water Quality Tester EZ-9909 5 in 1 Function Water Quality Testing Meter PH Salinity TDS EC Tester with Backlight for Aquaculture Drinking Water Swimming Pool

EZ Grow Systems 5in1 Water Multifunctional Tester can test PH, TDS,EC, salinity and temp of distilled water and drinking wate.
Water hardness test kit have been calibrated, It can be used normally for one year. Operation temp is 0.1-60 ℃ (32-140℉). the test error is....
Automatic temp compensation(ATC) Fast calculation, backlit LCD, Easy to read data, The water hardness test kit Small appearance, easy to carry.....
EZ Grow Systems 5 in 1 multifunctional water quality tester is suitable for drinking water, water osmotic system, hydroponic plants, aquarium water....
When LCD display is fuzzy, The battery needs to be replaced. The battery model is LR44, 1.5V*3,Pay attention to “+”&”-“..

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Hanna Salinity Tester HI98319

Includes 4x of the Salinity Calibration Fluid Packets..
Automatic Calibration – A 35.00 ppt solution is used for calibration and automatically recognized when in calibration mode..
Displays results in parts per thousand (ppt), Practical Salinity Units (PSU), or specific gravity (S.G.).
Salinity readings are performed by an amperometric graphite probe that resists oxidation, providing better repeatability in measurements. The use of graphite also reduces the polarization effect common with testers that use two stainless steel pins..

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Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity

Automatic Temperature Compensation: 10℃~30℃.
Measuring range: salinity: 0-100 ‰, Specific Gravity : 1.000 to 1.070.
Minimum scale: salinity: 1 ‰, Specific Gravity : 0.001.
Resolution: salinity: ±1‰, Specific Gravity : 0.001 mm.
Perfect for salty water tank and aquarium, seafood water tank, salty pools & spas and etc.

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Brake Fluid Tester Pen with 5 LED Indicators Auto Brake Diagnostic Testing Tool for DOT3 DOT4 Brake Fluid

【What does it do?】 If the moisture content of the car's brake fluid is too high, it will cause the car's brakes to fail, so it is very necessary to have a brake fluid tester. You can check your brake fluid at any time..
【Application range】This brake fluid test pen supports most vehicles with DOT3 DOT4 car brake fluid, and can be used by professionals and individuals.(If you turn on the switch and all the lights are on, please remove the battery and restart).
【Easy to use】This brake fluid test pen has 5 LED indicators to show the water content in the brake fluid. Press the top button and immerse the probe in the brake fluid. After a few seconds, the LED will display the test result. The brake fluid test pen will automatically turn off after approximately 15 seconds of inactivity. (Without battery).
【Reminder】The probe of this brake fluid tester pen is made of high-precision metal material, and the test is accurate. If you need to repeatedly measure, you need to wipe the probe clean before measuring. After you have finished using it, please clean the body and probe of the test pen. This will extend the life of the test pen..
【Friendly service】 Our products are shipped from the US warehouse. If the product you received has any quality pr....

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FJDynamics Digital Brix Refractometer with ATC, Range 0-32%, Rechargeable Refractometer, Refractive Index, Measurement for Salinity, Fruit, Beer, Wine, Resolution 0.05%, Accuracy±0.1%

Multi-Function – Test Brix, Salinity, suitable for fruit and vegetable growers, maple syrup producers, home wine brewing hobbies. Used for food, fruit, beverage, coffee, wine, etc..
High Precision & Fast measurement — Accuracy ±0.1%, Resolution 0.05%, Meter Range 0-32%, to get the results within 2s..
Accurate Readings With ATC — Built with Automatic Temperature Compensation (ATC), FJD brix refractometer delivers accurate readings even if the measurements are in different temperatures (between 5°- 45°C)..
Waterproof & Durable — IP67 Design makes it possible for you to wash the refractometer with flowing water. Pretty durable to pass the 1.5M dropping test..
Portable FJDynamics Refractometer — Compact in size and light in weight, easy-to-read OLED screen, fast charging. It takes only 1 hour to be fully charged..

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PH Meter Smart Bluetooth,7-in-1 ORP Meter/S.G Meter/TDS Meter/Salinity Tester/PH Meter/EC Meter/Temp Water Meter, PH Meter for Water 0.01pH Resolution High Accuracy,ph Tester Digital with ATC.

【7-in-1 pH meter with Bluetooth】Digital pool water tester professional measurement ORP Meter/S.G Meter/TDS Meter/Salinity Tester/PH Meter/EC Meter/Temp.Water tester multi-function one-key switching, which is more worry-free and convenient to use. Ph meter for water quality is widely used,can be used to test drinking water,fish tank,swimming pools,laboratory,in aquarium, spa, wine, beer,ect..
【pH Meter】The pH tester digital mainly detects the pH value of liquids.The ph tester can be applied to food, pet fish supplies or hydroponics aquaculture.Water that is too acidic or alkaline can adversely affect the health of humans or pet fish.The pH water tester can also be used for blood, saliva, sweat, urine,etc..
【Orp Meter】Pool chemical testing kit is a good helper for pool supplies.In addition to testing the ORP value in swimming pool water, pool water tester can also be used as a pool thermometer.The ORP value is a measure of the oxidative power or sterilization strength in water pool salt. The higher the ORP value in water, the stronger the oxidative power and sterilization ability..

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Spark Tester Auto Ignition Tester Pen Ignition Spark Indicator Spark Plugs Wires Coils Diagnostic Tool Car Voltage Cable Tester Detector

...can quickly and easily diagnose whether the car's ignition system is working properly, avoid fire and burn out the ignition coil. This new high-pressure detector is very easy to use. If the ignition system is OK, the internal LED indicator will show you..
✿No need to disassemble: No need to disassemble any line to test the performance of the spark plug, high voltage wire and ignition coil. When the engine is started or running, place the end of the detection pen on the high voltage wire light-emitting tube..
✿High-quality materials: This ignition test pen is made of high-quality aluminum material, which makes the product have good durability and high quality. With durability and high quality. Very environmentally friendly, this material has a dense oxide film on the surface. This film prevents corrosion, so it is very durable..
✿Convenient and fast: This professional test pen is made according to production technology, providing a healthy and reliable troubleshooting method, convenient, economical and time-saving. The metal tip of this test pen makes the product easy to insert and rugged, making it your right choice. The slotted end of the test part makes the contact area between the wire and the instrument large, and the test is accurate.

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