Top Digital Seawater Tester

Diode Check

... has a built-in 10 amp circuit breaker, the input current can be reversed to form a loop power supply, and it automatically trips when the current exceeds 20A, protecting the equipment and extending its life..
【Injector Tester & Injector Cleaner】CODIAG GT 101 Power Digital Tester has a DIY injector cleaning adapter kit, which supports DIY cleaning of injectors. When the fuel injector is driven to open and close, and the current shows a normal value, it means that the fuel injector is normal. If it does not move or the current display is abnormal, it means that the injector is damaged. When checking the injector for clogging, it can be cleaned by cleaning the pressurized tank with the injector..
【20ft Test Cord & Color Display & Torch】Car circuit tester with 20ft extension cord, powered by car battery or cigarette lighter, extension cable port extension provides excellent accessibility for testing along the vehicle. With a digital color display, you can clearly read the voltage and current data. Built-in flashlight and LED bi-color light make it easy to work even in dark or low light conditions..

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Digital PH Tester for Water- PH Meter High Accuracy Water Quality Tester with ATC, 0.01pH Resolution 3 in 1 PH TDS Temp for Household Drinking Water, Hydroponics, Lab, Aquarium by ORAPXI

✅High Accuracy&One-Button Lock Reading Function - With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response.One-button lock reading function helps lock reading even if the tester is taken out of the sample!.
✅Automatic Calibration - The digital ph meter for water uses a 3-point AUTOMATIC calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18 to ensure the accuracy of your measurements..
✅Automatic Temperature Compensation - No longer need to pay attention to the temperature of testing liquid, Allprettyall ph tester digital can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature..
✅Wide Application-Allprettyall water quality tester designed in pH and temperature can be measured simultaneously with high precision. Omni-directional measurement of water quality to ensure the health of water quality! The ph meter digital water tester is ideal for drinking water,daily household,hydroponics,sewage, lab teaching and ANY water sample..

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BETOOLL Digital Fuel Injection Pressure Tester Kit - Fuel Pressure Gauge 0-300 PSI for Petrol Engine Fuel Pressure Test Kit Automotive Test Tool Kit

Digital Fuel Pressure Gauge: Accurate and clear data is easier to read on the backlight display. The buttons could adjusted to 4 different kinds of numerical units in PSI, KPA, BAR, KG/CM² for use..
Quick Pressure Release Valve: Digital fuel pressure tester is equipped with pressure release valve with transparent hose for safer pressure discharge and fuel recovery..
Accurate & Fast Connection: The coupler at the end of the gauge hose can be quickly connected with most adapters, saving time and improving efficiency..
Precise Measurement: Digital fuel injection pressure tester gauge has 0.5 display resolution instead of normal 5PSI display resolution compression tester. The measurement range is 0-300PSI.
Scope of Application: Fuel pressure tester kit includes adapters, hoses and fittings compatible with all fuel injection systems and most cars and trucks world wide!.

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Mizar Et18 RS Electronic Gold Tester by

NEW ADVANCED DIGITAL TESTER - Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing..
STATE-OF-THE-ART AND PORTABLE - Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in seconds.
PATENTED WITH PATENTS PENDING - Tests all karat levels of gold from 6K to 24K and tests for platinum..
STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds..
INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case..

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KETOTEK Digital Water TDS Meter PH Meter PPM Tester has TDS-EC-Temp 3-in-1 and ±2% Accuracy PH Tester with 0-14.00PH and 0.01 Accuracy TDS PH Meters for Aquariums Water Hydroponics RO System

COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it....
WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in....
AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5....
AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced....
SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you....

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Gold Testing Stone, Genuine, Natural Obsidian (6\ x 3\)

NEW ADVANCED DIGITAL TESTER - Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing..
STATE-OF-THE-ART AND PORTABLE - Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in seconds.
PATENTED WITH PATENTS PENDING - Tests all karat levels of gold from 6K to 24K and tests for platinum..
STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds..
INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case..

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PM2302 Digital Resistance Meter Ground Earth Tester 0-4K ohm Insulation Tester Multimeter with LCD Backlight Display

[Multi Functions] This PM2302 resistance tester can be used to measure maximum, minimum or average and measure relatively.
low battery indication and 2 Pole and 3 Pole Mode..
[Convenient] This insulation tester can store 100 group of test result, which will not be lost even in case of power cuts..
[Easy reading] This digital resistance tester is equipped with large digital LCD and backlights that allow users read the information on LCD easily. Digital Display & Analog Bars Display..
[Auto power-off function] It has auto power-off function that conserves battery life and increases the lifespan of your multimeter..
[Application] It is the ideal tool for electrical inspection and repair..

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HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume

NaCl calibration solution, available in 342 ppm or 1000 ppm.
Comes in lightweight HDPE plastic bottles.
Use the HM Digital TDS Calibration Solution (342 PPM) to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.
This HM Digital TDS Calibration Solution is also known as Water Tester Solution andTDS Meter Calibration Solution.

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Rsrteng A86 CCTV Tester IP Camera Tester 8MP CVI TVI AHD Camera Tester 7inch TFT Touch Screen IPC Tester Support POE RS485 PTZ Digital Multi-Meter Optical Power-Meter

【A86 IP Camera Tester】A86 7 inch IPS TFT HDMI Tester,Silicone button,Backlight brightness. 1920x1200 high resolution 4K Camera Tester. 7in1 CCTV Tester,added Optical power meter,TDR cable test and Digital multi-meter functions.Support PoE IEEE802.3af, maximum power 25.5W,2.4G and 5G w-i-f-i frequency band, the camera tester tool will make your installation process simple and efficient..
【IP Camera tester 】Max 4K 8MP /H.265/H.264 IP camera test. Support serial connection.
Ethernet test 10M/100M/1G Ethernet link detection,Interface dual-port RJ45 Ethernet.Support IP setting,camera discrovring,ueser authentication,image viewing,PTZ control,modification of camera parameter.Compatible with IPC protocol ONVIF, RTSP, RTP,multi-brand IPC test..
【HD Coaxial Camera test】Support Max 8MP TVI/CVI/AHD camera test.PAL/NTSC video test signal,HDMI I/O,Audio input, Baud 150-19200bps, compatible with more than 30 protocols such as PELCO-D/P, Samsung, Panasonic etc..Support Coaxial PTZ control and call OSD menu,Digital zoom,Full screen display..
【Multi-function tester】OPM --- Used to measure absolute optical power or relative loss of optical power through a section of optical fiber.TDR --- Testing the length of network cable (4 pairs),The maximum lengt....

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Alfa Mirage Precious Metal Tester GKS 3000 - Purity Scale for Gold & Silver

NEW ADVANCED DIGITAL TESTER - Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing..
STATE-OF-THE-ART AND PORTABLE - Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in seconds.
PATENTED WITH PATENTS PENDING - Tests all karat levels of gold from 6K to 24K and tests for platinum..
STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds..
INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case..

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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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Hofun High Accuracy TDS Meter Digital Water Tester Water Quality Tester with True ATC 3 in 1 TDS EC & Temp Meter PPM Water Testing Kits for Drinking Water Tap Well RO/DI System Hydroponics

✔UPGRADED MULTIFUNCTIONAL WATER TESTER: Hofun 3 in 1 TDS Meter, Electric Conductivity Meter & Temperature Meter features the most updated....
✔ACCURATE & QUICK MEASUREMENT BY RELIABLE TDS WATER TESTER: Hofun drinking water test kit is equipped with premium quality titanium alloy probe for....
✔EASY READING AND INSTANT RESULTS: Hofun ppm water tester meter is designed with super easy operation. You just turn TDS meter on and stir water....
✔MULTIPURPOSE DIGITAL TDS WATER TESTER METER: With the help of Hofun water test kits for drinking water, it's more convenient for you to test the....
✔YOUR PURCHASE IS WELL-PROTECTED: Hofun water hardness tester digital is manufactured under extra high standards and of super good quality. Thus we....

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