Diamond Tester Professional, Diamond Tester, 2 types Professional High Precision Moissanite Portable Jewelry Gemstone Tester, Precision Tools Meter Device with LED Indicator

  • ...able design: designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise. The tester is lightweight, compact (size of credit card) and easy to transport..
  • Audible and readable alarms: emits audible sounds to easily distinguish between readings, portable electronic devices, to distinguish between true diamonds and other simulated gems. The real diamond is indicated by a red LED and a sound. The results of the tests are accurate, reliable and easy to read. If the stone is a pseudo-crystal, a simulation object such as cubic zirconia (CZ) will not react..
  • Versatile: the tester offers a highly compact design that is ideal for buying jewelry, buying / exchanging diamonds, selling real estate, auctions, etc. The cost of Diamond Selector III is not even a fraction of the cost of diamonds, but it can help you feel better knowing that you are buying real diamonds instead of fakes..
  • Professional Diamond Selector II will indicate genuine diamond or fake. Uses large / small switches for testing diamonds. Emits audible sounds to easily differentiate the readings. Tester is battery powered for convenience. List of packages: 1 * Diamond Selector II, 1 * Moissanite tester, 2 * Manuals, 2 * Trays, 2 * Batter....
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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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Neoteck Electrical Test Kit, Mini Digital Multimeter + Receptacle Outlet Tester + Non-Contact 12-1000V AC Voltage Detector Pen- Great Packs!

  • 【Electrical Test Kit】Comes with a Mini 1999 Count Digital Multimeter, Non-Contact 12-1000V AC Voltage Detector, and a Receptacle Tester to Meet Most Electronic Testing Needs, Ideal for Laboratory, Education, Factory, Workshop, Household Use.
  • 【Mini Multimeter】Multi-functional Tester with Backlit LCD Display, Also Comes with with Pair Test Lead, Accurately Measures AC/DC Voltage, DC Current, Resistance, and More, Recommended by Many Professionals Engineers, CE Rated for Over Load Protection, Includes 9V Batteries Under Load.
  • 【Non-Contact Voltage Detector】 This Non-Contact Voltage Tester Detects AC Voltage within 12-1000V AC, Distinguish the Live Wire and Null Wire through Different Frequency Alarm Sound and Flashing Led Levels.
  • 【Standard US Receptacle Tester】Featuring Lights that Indicate Circuit Condition, Tests Standard & GFCI Sockets/ Outlets/ Receptacles for Proper Wiring (110-125V AC), Detect Five Different Wiring Faults: Open Ground, Open Neutral, Open Hot, Hot/ Ground Reverse, and Hot/ Neutral Reverse.
  • 【Wide Application】A Set of Quick Fix Tool, Perfect for Weekend Warriors, DIY Homeowner and Anyone just Learning How to Do This Type of Work, Helping You Evaluate the Outlets and Identify the Hot Wires in the Basement Testing, Durab....
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ORP Measure Pen, Easy To Operate Aquarium Pool Tester Portable for Hydroponics for Aquariums for Water Sources for Swimming Pools

  • Compact and portable pen design,easy to operate and storage..
  • Large and clear LCD, easy to read and accurately measuring functions..
  • The resolution of ORP tester is 1 mv, very high sensitivity..
  • The tester is made of high quality electronic components to ensure high accuracy..
  • Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems..
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Transistor Meter Aideepen LCR-TC1 Multi-Function Capacitance Resistance ESR Tester 1.8 Full Color Display Transistor Meter for Diode Triode Capacitor Resistor Transistor LCR ESR NPN PNP MOSFET

  • 【Wild Application】:1.8" Full Color Display,Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, Mega328,BJT, resistor and capacitor and various electric transistor testing..
  • 【Built-in Battery】:Built-in lithium battery, convenient and effective, the indicator light shows green when fully charged. Warm Reminder: The charging input voltage is 4.5V, please do not use it under overpressure, otherwise the tester will be damaged..
  • 【Add IR Decoder】: After the component detection is completed, the infrared remote control at the tester "IR" test hole, press the remote control key, the tester will be display the user code & data code and the corresponding infrared waveform after the successful decoding.
  • 【Auto shut-down Function】: Our advanced electronic transistor tester owns auto shut-down function.Convenient and practical..
  • 【Extra accessories】: use accessories, more convenient and efficient to complete your project(Please refer "Product guides and documents"to get user manual).
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Tri Electronics Gold Tester Gel Tube Refill Cartridge TB-289 GT-3000 GXL-18 6 pc

  • Now you can appraise gold and platinum quickly and safely — anywhere in the world. The Electronic Gold and Platinum Tester gives you unmatched accuracy on all colors of gold, from 6K to 24K, as well as platinum. This compact tester operates on an included 9V battery, so you can take it anywhere. Simply touch the pen probe to the gold, and an LED indicates the karat. There are no messy gels, chemicals or dangerous acids to spill. Take it with you to estate sales, swap meets and flea markets to.
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TopDiag P200 Automotive Circuit Tester, Power Circuit Probe Kit, 9~30V with Multimeter/Relay/Fuel Injector Tester/Activating Component/0~5V Power with 20ft Cable for 12V 24V Vehicle

  • 【Powerful Circuit Tester Kit】The P200 Automotive Circuit Tester is the only circuit tester on the market that can be upgraded, a tool for quickly testing all ✅9V-30V✅ electronic systems. It can diagnose problems in the components, electrical circuit systems or fuel injectors of the car in the shortest time. Not only the test time is greatly shortened, but also more intelligent and intuitive, suitable for any novice driver or maintenance engineer..
  • 【Fuel Injector & Relay Tester】It is extremely important to regularly test the fuel injector. Damage to the fuel injector can easily lead to unstable idle speed of the engine, increased fuel consumption, causing engine shock. It is worth mentioning that TopDiag P200 auto circuit tester has been added 300+ USD valued powerful functions, namely: ✅Fuel Injector Test✅ Relay test mode. TopDiag makes diagnosing your car easier and saves maintenance costs..
  • 【0~5V Adjustable Power Supply & Activating Components】0~5V power is useful when checking the wiring to the ECU/ECM, also meet the voltage requirements for the sensitive parts with low voltage. Besides positive activation, negative activation is our n....
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ORP Tester Pen, High Sensitivity Portable Aquarium Pool Tester High Accuracy for Water Sources for Hydroponics for Swimming Pools for Aquariums

  • Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems..
  • Large and clear LCD, easy to read and accurately measuring functions..
  • The tester is made of high quality electronic components to ensure high accuracy..
  • Compact and portable pen design,easy to operate and storage..
  • The resolution of ORP tester is 1 mv, very high sensitivity..
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Aquarium Pool Tester, Clear LCD High Accuracy ORP Measure Pen Portable for Hydroponics for Aquariums for Swimming Pools for Water Sources

  • Compact and portable pen design,easy to operate and storage..
  • The resolution of ORP tester is 1 mv, very high sensitivity..
  • The tester is made of high quality electronic components to ensure high accuracy..
  • Large and clear LCD, easy to read and accurately measuring functions..
  • Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems..
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