Best Digital Nitrate Tester

Haofy Digital Alcohol Tester Breathalyzer, Breath Alcohol Tester LCD 3 Color Display USB Charging Blowing Contactless Testing Alcohol Breathalyze(Pink)

  • 【Contactless Testing】The breath alcohol tester is made of ABS material, which is wear resistant and durable, and has a long service life. The portable alcohol tester is a non contact type of blow test, no need for a mouthpiece test, which is healthier and safer.
  • 【USB Charging】The rechargeable alcohol tester has an LCD three color display, which can respond quickly, and has a USB charging function.The breath tester for alcohol is automatically turned off to save power when there is no operation..
  • 【Small and Portable】The alcohol tester is compact and easy to carry, allowing you to test anytime, anywhere.
  • 【Semiconductor Sensor】The alcohol breathalyzer uses semiconductor sensors to give you accurate data and can be used with confidence.
  • 【Easy To Use】The digital alcohol breath tester is extremely easy to use, your alcohol content can be determined within a few seconds. It has no dust design, open the dust-proof cover and blow in the alcohol test..
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Digital pH Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy Pen Type Tester, Water Tester for Water, Wine, Spas and Aquariums

  • ... range of 0-14pH, 0.01 pH resolution. And pH meter uses a 3-point calibration method to calibrate the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18. You can calibrate effortlessly to ensure the accuracy of your measurements..
  • 【High Accuracy Water Tester】High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response. Green Backlit LCD Design guarantees that you can read the measuring results in any condition. One-button lock reading function helps lock reading even if the pH Meter is taken out of the sample!.
  • 【Automatic Temperature Compensation Digital pH Meter】No longer need to pay attention to the temperature of testing liquid, pH meter can accurately determine the pH value of the sample in the temperature range of 32°F-140°F(0°C-60°C), so as to solve the inaccurate problem caused by changing the liquid temperature..
  • 【Pocket Size Water pH Tester】 You can use this small Pocket Size but powerful pH meter device to measure your aquarium, pool, pond in a garden, bath tub to test the levels of pH value. The digital ph meter can also be used to measure drinking water, RO System, spa, soap mixtures, food, wine, beer or any other liquids..
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Case Compatible with Klein Tools ET310 AC Circuit Breaker Finder & 80041 Outlet Repair Tool Kit & RT250 for GFCI Receptacle Tester. Electrical Tools Storage Organizer Holder for Accessories (Box Only)

  • Electrical outlet tester storage box with zipper pocket: Voltage detector case with zipper pocket, which can store accessories for klein circuit breaker finder kit, such as clip adapter, grounding adapter, light socket adapter, electric tester pen, etc., electric outlet tester travel cases puts your for klein digital circuit breaker finder and accessories together, which is very convenient for you to use, so that you will not find them everywhere when you use circuit breaker tracer..
  • Electric tester display box convenient to carry: Portable circuit breaker locator case with handle to convenient for you to travel and carry. Electric tester tool box is very light and can be easily put into your backpack or suitcase, allowing you to use for klein breaker finder wherever you go. Electrical circuit tracer organizer case is also a perfect gift for your family and friends..
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Case Compatible with Klein Tools ET310 AC Circuit Breaker Finder & 80041 Outlet Repair Tool Kit & RT250 GFCI Receptacle Tester. Electrical Tools Storage Organizer Holder Bag (Box Only)-Orange Inner

  • ... Electrical outlet tester storage box with zipper pocket: Voltage detector case with zipper pocket, which can store accessories for klein circuit breaker finder kit, such as clip adapter, grounding adapter, light socket adapter, electric tester pen, etc., electric outlet tester travel cases puts your for klein digital circuit breaker finder and accessories together, which is very convenient for you to use, so that you will not find them everywhere when you use circuit breaker tracer..
  • Electric tester display box convenient to carry: Portable circuit breaker locator case with handle to convenient for you to travel and carry. Electric tester tool box is very light and can be easily put into your backpack or suitcase, allowing you to use for klein breaker finder wherever you go. Electrical circuit tracer organizer case is also a perfect gift for your family and friends..
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OneTouch Ultra Control Solution - Single Vial

  • Multifunction digital multimeter: accurately measures AC and DC voltages, currents, resistances and diodes, ohm volt amperage tester, also tests....
  • High precision measurement: This electronic tester multimeter has a maximum display value of 1999, which can accurately measure various data.....
  • Full functionality: Slim voltmeter with alarm function, data hold, auto shut-off, and anti-leakage insertion make measuring and recording easier than....
  • Adjustable extended support stand: with storage removable box and an extendable support stand on the back to effectively support the digital voltmeter....
  • After-sales service: It is our aim to provide you with the best service, if you have any questions about our goods, please feel free to contact our....
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Oscilloscope Transistor Tester 2 in 1, Geevorks 2.4" TFT Digital Oscilloscope 200kHz Bandwidth, Electronic Component Tester, NPN/PNP Diode Capacitor Resistor Transistor Testing Tool

  • 【2 In 1 Testing Tool】This product ingeniously integrates digital oscilloscope, electronic component tester, PWM signal generator and other functions into one. 2.4inch High-definition color screen curve data at a glance..
  • 【One-key Auto/3 Trigger Modes】Equipped with efficient one-key AUTO, the measured waveform can be displayed without cumbersome adjustment. With complete trigger function (Single, Normal, Automatic), it can be used freely for both periodic analogs signals and aperiodic digital signals..
  • 【Digital Oscilloscope】The oscilloscope has a real-time sampling rate of 2.5MS/s and a 200kHz bandwidth. Up to ±400V voltage signal can be measured, has a wide applications. Self-contained 80kHz /5.0V PWM waves test signal source with adjustable duty cycle..
  • 【Transistor Tester】Automatically identify and measure various transistors, including NPN and PNP transistors, N-channel and P-channel FETs, junction FETs, diodes, dual diodes, thyristors, etc., as well as passive components such as resistors, inductors, and capacitors.
  • 【Electronic Component Tester】This product ....
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TOPDON Bundle of BT20 Car Battery Tester and ArtiDiag Pro Bidirectional Scan Tool

  • Item 1: 12V Car Battery Tester, TOPDON BT20 Battery Load Tester, Voltage Test Digital Alternator Tester, Cranking&Charging Test via App, Budget Automotive Battery Analyzer&Checker for Car Truck SUV ATV Boat.
  • Item 2: TOPDON ArtiDiag Pro Car Diagnostic Tool, Bi-Directional Control & OE-Level Full Systems Diagnosis for 100+ Vehicles, Smart Scan Tool with AutoVin, 31 Maintenance Services, 2-Year Free Update..
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AquaticLife TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water Aquariums Hydroponics 0-999 ppm Measuring Range 1 ppm Increments 2% Readout Accuracy

  • TDS METER DIGITAL TESTER – The handheld TDS meter digital water tester allows you to accurately measure the Total Dissolved Solids in water. Ideal....
  • IDEAL FOR TESTING WATER QUALITY – Test the water quality from multiple sources. Use this TDS meter for RO/RODI system drinking water, aquariums,....
  • PROVIDES HIGHLY ACCURATE READINGS – This TDS water quality tester provides highly accurate readings. Its hold function saves measurement for....
  • 1000 HOURS OF USAGE – The battery of this TDS measure test pen provides approximately 1000 hours of usage. An auto-off function saves battery life....
  • EASY TO READ DISPLAY – A large, easy-to-read LCD screen display on this TDS water testing meter makes it easy to see results. Its power source is 2....
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Digital Capacitance Meter, Multimeter Professional Capacitor Tester, 0.1pF-20,000uF Capacitor Tester, 9 Files Battery Powered Capacitor Meter Tester with 6013L LCD Display

  • 【Test Range】It is a novel handheld LCD display capacitance meter, which can be used to measure 9 data ranges in the range of 0.1 pF to 20,000 uF, which are divided into 9 levels..
  • 【LCD Digital Display】Digital capacitance meter 6013L LCD digital display with data retention and backlight function, accurate reading, maximum display: "1999, It is an ideal electrical measurement tool..
  • 【Equipped with Safety Jacket】The overall structure of the digital capacitance meter is compact, with a safety jacket, equipped with two test lines, and the built-in bracket can make the tester stand stably, and it is easy to operate and carry..
  • 【Specification】The sampling rate of the digital capacitance meter is 2-3 times per second, 9V battery power supply, low power consumption, the power supply is 6F22 9V laminated battery (not included), the size is 5.59"x2.91"x1.38"..
  • 【Widely Application】The multimeter professional capacitance tester can be used for digital analysis, capacitor selection, unknown capacitor measurement, matching capacitors, and measuring cable ca....
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Schumacher SC1308 2/12/30/100A 6V/12V Battery Charger and Engine Starter

  • MULTIPLE MODES: 30 Amp quick boost mode, 100 Amp engine start for cars, SUVs, and small trucks.
  • DIGITAL DISPLAY: Easy to use controls, LED light indicators, buttons, and digital display.
  • BUILT-IN TESTER: Battery and alternator tester provides charge level and helps diagnose electrical problems.
  • AUTOMATIC: Automatically detects 6 or 12V batteries.
  • Microprocessor-controlled to automatically adjust the amperage rate to charge and maintain.
  • SAFE AND EASY TO USE: Reverse hook-up protection helps prevent damage to battery and charger.
  • Float mode monitoring automatically maintains optimum battery charge.
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