Top Tester Instrument Reviews

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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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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Megger MIT420/2 (1006-740) Insulation/Continuity Tester w/Storage, PI, DAR 50V/100V/250V/500V/1000V

LCD Back-light Offers Clear Reading at Dark: This Insulation Tester is equipped with large LCD screen with bright green backlight for easy reading even in dark environment.
Insulation Resistance Meter: Making two parallel electrodes on the back of the instrument close to the measured object surface, you can judge whether the abject is a conductor, static material or insulator.
Multiple Functions Provides Convenient and High Efficiency : This Insulation Resistance Tester is featured with multiple functions to offer high efficiency , such as ℃/℉ unit conversion, data hold, MIN value, auto power off, battery indication.
Offers Comfortable Griping: Ergonomically designed instrument body, convenient to hold and operate.
Soft Buttons Provides Comfortable Feeling: Soft buttons design, comfortable hand feeling.

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allsun EM480D Digital Earth Tester Insulation Resistance Tester Ground Resistance Meters Earth Ground Resistance Tester Measure AC Voltage to 200V with Backlight Display

【WIDELY USED】This digital earth tester can measure grounding resistance as well as AC voltage to 200V, and it also can be used in the grounding resistance measurements of power system, electrical device, lightning protection device, etc. What’s more, it is also equipped with dust proof and moisture proof structure, which make it can be used in field operation..
【ACCURATE & RELIABLE & EASY】This digital earth tester has improved the circuit, structure as well as process of the traditional grounding resistance tester so that its functions are more complete, the accuracy is much higher, and the operation is more convenient and reliable..
【OVERLOAD PROTECTION】This digital earth tester has a complete overload protection circuit that any two terminals can withstand AC 380V for a minute..
【EXCELLENT DESIGN】The appearance design of this digital earth tester is both beautiful and practical. The instrument panel function keys are clear and reasonable in layout..
【EASY READING】This digital earth tester has not only large and clear 3. 5 inch LCD display, but also backlight display..

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Lufasa Resistor Tester ohmmeter Low Resistance Tester AC/DC 12V 200ohm Electrical Instrument LCD Display Impedance Meter

Resistor Tester ohmmeter Low Resistance Tester AC/DC 12V 200ohm Electrical Instrument LCD Display Impedance Meter.

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Oakton - AO-35462-11 EcoTestr CTS Pocket Conductivity, Salinity, and TDS Meter

Salinity Range: 0~9999ppm/10~200ppt or 0.0-25%, ORAPXI salinity tester has an automatic temperature compensation function(32°F~140°F), which can decrease the error caused by the change of liquid temperature..
Wide applications: There are various purposes for the salinity tester. This instrument can not only detect the salt content of edible salt, salt water pool and koi fish pond, but also the salinity of seawater, marine, salt water fish tank salt level testing..
Backlit design: There is no need to worry about seeing the displayed value if the light is insufficient. ORAPXI salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation..
4-in-1 salinity tester: The multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing..
After-sales: 30-day free return/replacement and we promise respond your any questions about the product within 12 hours..

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Lufasa Resistor Tester ohmmeter Low Resistance Tester Electrical Instrument Red Digital Tube Display Impedance Meter DC 12V 2Mohm

Resistor Tester ohmmeter Low Resistance Tester Electrical Instrument Red Digital Tube Display Impedance Meter DC 12V 2Mohm.

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Professional Handheld Alcohol 0‑80% Test Refractometer， Tester Meter Measure Instrument

【Wide use】 TDS instrument tester can be used for water purifiers and filters, food (vegetables, fruits) and beverage quality monitoring, swimming pools and spas, aquariums, hydroponics, etc. It is suitable for water quality testing in water laboratories, CDC, aquaculture, hospitals, swimming pools and household tap water..
【Test the purity of your water】 How pure is your water? Use this portable TDS meter tester to test the purity of water, use our TDS water quality tester, it will tell you your overall water purity level and display it on the screen in ppm (parts per million)..
【Function】Our TDS meter tester has a hold function and an automatic shutdown function, which can save the measured value for easy reading and recording. Turn off the meter after 10 minutes of non-use to save battery power. Press the "TEMP" key to switch the thermometer between Fahrenheit and Celsius..
【Measuring range】 0-9999ppm, resolution 1ppm. From 1,000 to 9,999 ppm, with a resolution of 10 ppm, expressed in drinking x 10 images, factory calibrated. To ensure that you always drink pure and safe water, we recommend that every household use a TDS tester..
【Multiple choices】 We have a variety of different colors for you to choose, different colors meet y....

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Digital Soil Moisture Meter, 4-in-1 Soil Tester Kit to Test Soil Moisture PH Temp Sunlight for Plants Indoor Outdoor, Made with Backfit LCD Display Screen (Battery NOT Included)

...tly display and read digital parameters in the day or dark. Use 9V batteries (Not included).
【Fast & Accurate Measurement】The latest probe detection technology in 2023 can faster and more accurately measure the pH, moisture and temperature in the soil. With the light intensity of the light sensor analysis on the instrument, it can help you know when to water, control the pH and temperature, acidity and judge whether the plants have enough light. Cultivate plants more scientifically..
【Easy to Use and Carry】Plug the probe into the soil about 3 inches, wait for 20s, and you will get accurate data immediately. (This soil tester can't be used directly to test any liquid. When measuring the soil, if the soil is too dry, do not insert it into dry and hard soil.).
【Indoor & Outdoor Use】Soil meter instrument is designed to be lightweight and portable, easy to carry around for outdoor use, ideal soil test tool kit for garden, lawn and farm, potted plants, vegetable planting..

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Salmue Diamond Tester Tool Set, Diamond Tester Moissanite Detector Selector, Gems Stone Hardness Test Tool Diamond Testers

【DIAMOND TESTER】 This is a diamond selector with an accurate and reliable reading..
【QUALITY GUARANTEE】 the best quality. Our brand is dedicated to providing high quality products. We have confidence in our products and offer after sales support. If you have problems with product quality, contact us..
【SCOPE OF APPLICATION】 Moissanite Tester is an instrument that combines with the Diamond Selector II. It is only used for the distinction of colorless Moissanite..
【TEST CAPACITY】 Metal, The green indicator will be displayed in Diamond Selector II if the stone is a real diamond. It emits a continuous buzz when the user accidentally touches the metal instead of the stone..
【PACKAGE INCLUDED】 1 * Diamond Selector II, 1 * Moissanite tester, 2 * Manuals, 2 * Trays, 2 * Batteries (9V).

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MXBAOHENG DY-100A Tap Density Meter High Accuracy Tap Density Volumeter Tester

Powder density is the mass per unit volume.it can be classified as bulk denisty and tap density by different measuring method.Tap density tester is to measure the density of powder has been tapped or packed by standardized and repeatable procedures according to international standards..
DY-100A,B,C Powder density tester consist of adjustable-speed motor,vibration assembly,micro-computer and micro printer.,etc.It has the feature of compact structure,stable,and easy operation.,etc..
DY-100A,B,C Powder density tester is based on GB/T5162-2006/ISO3953:1993(tap density measuring of metal powder).For non-metallic powder,This instrument extended seveal functions..
Such as”vibration amplitude” from 3meter standard extended to 1mm-15mm.
”vibration frequency”from 100-300 times per minute extended to 0-300 times per minute.”vibration times”from 3000 times standard extended to 0-99999 times.All of them can be setup freely..

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HDMI Tester Portable High Definition Network Cable Tester Checker NF-622 LED Indicator to Check Disorder Short Open and Cross Status of HDMI Cables and Hd Wire Test Ideal for Troubleshooting

【Application of UT681】UT681 Handheld HDMI Cable Tester is a professional tester for testing HDMI cable (HDMI 1.2V/1.3V/1.4V/2.0V).It supports two test modes, fast scan mode and full display mode..
【Function of UT681】This Cable Tester Checker can quickly scan and test up to 19 wires and decide which one is short circuit, open circuit, or in wrong order.Support Continuity Test,Short Circuit Test,Crossover Test,Network Cable Test..
【Double testing mode】At the power on state, short press the ON/OFF/Option key to switch between scan mode and full display mode. The state indicator flashing style is to identify which mode is chosen..
【Cable Type That Can Be Measured】Three types of HD cables can be tested: a.Both ends are standard HDMI connectors (Type A - Type A).
b.Both ends are HDMI Mini connectors (Type C - Type C).
c.One end is HDMI connector, one end is HDMI Mini connector (Type A - Type C).
【Safe Tester】HDMI tester support battery low voltage Test.In order to make sure the HD cable tester’s performance, when the battery voltage is lower than about 7.2V, the blue light flashes, prompting to replace the battery.Auto shut down function, when no operation during the last 10 minutes, the instrument will automatically shut down..

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Dental Willis Bite Gauge Stainless Steel Premium Instruments

♥♥【Application】:The dental pulp vitality tester is an instrument that uses a machine to produce pulse current and stimulates the tooth nerve, then records the response value of the tooth nerve to the electrical stimulation, so as to judge the vitality of the tooth nerve,which ensure the accuracy of doctor's judgement on the patient's pulp vitality..
♥♥【Adjustable Frequency】:To press the speed control button to choose three preset speed mode (high-mid-low speed),while the different indicator lights will be on..
♥♥【Data description】：The maximum stimulus----80.Between 0-40, the patient feels ache and anesthesia, it is the alive teeth nerve.Between 40-80,with above-mentioned reaction,part of teeth nerve dead. 80, no above-mentioned reaction, dead teeth nerve..
♥♥【About Testing】:To increase a gentle pulsed stimulus at a rate,If the patient indicates perception, simply release the button. The stimulus stops immediately, but the numbers remain on the tester for about 3 minutes.It is easy to read..
♥♥【Economical】:This pulp tester is battery-operated, Standard 9-Volt batteries, the device turns itself off three minutes later after operation(No wasted batteries.).

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