ReviewsPrecision Tester

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

... the stone is fake, crystal or cubic zirconia, the tester will not beep. reads weights of adiamond use 200g/0.01g Mini Jewelry Scale, To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses..
This pocket scale has 200 gram max weight capacity and reads weights in increments of 0.01g. High precision sensors make sure the accuracy. 6 weigh modes available – g/ oz/ gn/ ct/ dwt/ ozt.Tare & Auto-off: You can use the tare function to zero the weight of container within 200g. Energy saving by 3 minutes auto-off function..
Portable Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Diamond Tester Pen and 60X LED Lighted Loupe combo and 200g/0.01g Mini Jewelry Scal is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry..
Application Range:Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.fast and safe This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds. If you ha....

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FFtopu Breathalyzer, Professional Accurate Portable Alcohol Tester with USB Rechargeable LCD Digital Display Breath Alcohol Tester with 10 Mouthpieces

【HIGH PRECISION】：This Alcohol Tester adopted high-precision semiconductor alcohol sensor, just need only 5 seconds can give a result to judge whether you can drive or not.
【EASY TO USE】:Just press the power button for 2 seconds to start the professional breathalyzer, wait for 20 seconds for warming-up, then blow with the tester for 5 seconds, the result will be ready after 3 seconds, and it will be displayed on the LCD screen for 15 seconds.(2 AA battery needed--not included).
【5 REPLACEABLE MOUTHPIECES】： This alcohol tester comes with 5 replaceable mouthpieces, and there are 2 embedded mouthpieces at the back of the product. You don't have to worry about forgetting to take mouthpiece when you are out..
【PORTABLE DESIGN】: This professional alcohol breathalyzer just need small space, can be easily carried in your wallet or pocket everywhere.Great for wedding, parties, feast or other social activities, ensures your safe driving after drinking..
【WARM TIPS】:There is a protective film on top of our product that can be torn off! It will give you an alarm by exuding the beep when the result is higher than 0.050% BAC or 0.500‰ BAC. AND The measurement range of each unit is 0〜0.199％BAC,0〜1.99g / L,0〜O.999mg / L,0〜199mg / ....

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JIFETOR Universal Auto Gasoline Gas Fuel Injection Pressure Tester Gauge Tool Set Only for Bosch CIS System Car Truck SUV Motorcycle ATV RV SUV Blue Case

...S- specific hose valve assembly for test connection. Rubber hoses endure torsion, temperature and pressure extremes to ensure safe use. Brass for corrosion resistance, and ductility at high temperatures. Both end with brass adapter which is perfect for hose systems as it can withstand long periods of wear and tear..
PRECISION MANUFACTURING: Fuel injector pump tester kit is made of high-quality metal and rubber materials, exquisite craftsmanship, sturdiness and durability. Pressure gauge has precise pointer for error-free readings. Pressure relief valve and clear drain hose can immediately and safely release pressure and restore fuel flow after the test. Precision thread design with O rings promises high seal to avoid air leaks. Brass for corrosion resistance, and ductility at high temperatures..
SATISFACTORY CUSTOMER SERVICE: We are committed to providing you with worry-free shopping experience. 30 days full refund or free exchange for returned complete unused JIFETOR product in the original packaging.
One year reliable after-sales service. Please feel free to contact us by email or Amazon message system if you have any questions, we will reply ASAP within 24 hours and do our best to solve your problems. Please inspect item carefully before you sign fo....

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Presidium Gem Indicator

High precision diamond tester: the professional diamond dial will indicate true or fake diamonds, LCD monitors and LED indicators. Compared to the....
Portable design: designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise. The....
Audible and readable alarms: emits audible sounds to easily distinguish between readings, portable electronic devices, to distinguish between true....
Versatile: the tester offers a highly compact design that is ideal for buying jewelry, buying / exchanging diamonds, selling real estate, auctions,....
Professional Diamond Selector II will indicate genuine diamond or fake. Uses large / small switches for testing diamonds. Emits audible sounds to....

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HoldPeak Digital Smart SMD Tester 6000 Counts HP-990C DMM Handheld Resistance Capacitance Tester,Digital Multimeter Auto Scan with Spare Test Pins (Battery Included)

✅【High Quality & High Accuracy】The tester is automatically identified the passive component.Precision LCR Meter 6000 counts with the range of Resistance:600Ω~60MΩ；Capacitance：9.999nF~99.99mF.
Diode Test:Open Voltage:3.0V,Testing Current:1.5mA.
✅【Non-rusting】The entire outer surface of the tester case has been with thermo plastic elastomer, and Spare Test Pin are included which has been gold-plated, so that can be reduce pin contact resistance and prevent it from rusting..
✅【Wide Range of Application】With the function of the continuity and Diode Test,you can used it for many applications,such as components verification and sorting, production lines, laboratory and service center, in-field repair，battery power test and more..
✅【Auto Power Off】If the tester is idle for more than 15 minutes, the tester will automatically turn off the power.HOLDPEAK 990 SMD tester is a handheld and battery operated small Tool, very convenient to operate and it is easy to measure SMD..
✅【100% Warranty Guarantee】HOLDPEAK come with 2 years warranty and lifetime technical support,if you have any questions about our product,just feel free to contact us, your satisfactory purchase experience is our greatest hope! Looking forward ....

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KZYEE KM10 Power Circuit Probe Kit, 12V 24V Automotive Circuit Tester Electrical System Tool, Digital Voltage Tester, Multimeter, Short Finder, AC DC Diode Resistance Check for Motorcycle Cars Trucks

【Circuit Tester for Finding Breakpoints & Short Circuits】High-sensitivity probes, circuit breaker finder uses advanced high-quality sensors. High-precision search for short-circuited cables quickly. When the electrical circuit tester detects a circuit breakpoint, the receiver will make a "click" sound. The closer the probe is to the breakpoint, the faster the sound frequency and the higher the volume..
【Cable Tester for Cable Identification & Cable Tracking】Vehicle circuit tester can identify and track wires without damaging the insulation layer. Powered by a 9V battery, the electrical wire tracer can work on various circuits between 6-24 volts DC voltage, such as circuits in cars, trucks, tractors, etc..
【Circuit Tracer with 24.8CM Metal Hose Probe】A super-long test hose made of metal, which will not be broken when bent and stretched, and will prevent rust. The curved receiving probe can better detect the cable in crowded and narrow environments. According to the characteristics of the circuit and the sensitivity setting, the cable Tester can detect the signal of the cable within a certain range..
【Wire Tracer with 75CM Test Lead and Alligator Clip】Super long test lead, It is more convenient to use an electrical tester. The wire with hi....

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Breathalyzer to Test Alcohol Professional Grade Accuracy Portable Breath Alcohol Tester for Personal and Professional Use with LCD Screen BAC Detector on Keychain

TRIED AND TESTED FOR ACCURACY: With its high-precision semiconductor alcohol sensor, the Breath Alcohol Tester will give you the most accurate results, and will sound an alarm if too much alcohol is detected..
HOW TO USE: Insert AAA batteries and press the power button. Once the Breath Alcohol Tester has warmed up, a “Blow” logo will appear on the screen. (For optimal results, wait 20 minutes after alcohol consumption to test for BAC). Blow into mouth piece for 2-3 seconds and wait 10-15 seconds for your results to appear..
READING RESULTS: When the display is more than 0.050% BAC or 0.500%₀ BAC or 0.250mg/L (BrAC), the tester will sound an alarm. Results will remain displayed for 20 seconds and then will automatically power off..
5 MOUTH PIECES INCLUDED: Test yourself, your friends and family with the different mouthpieces. Drive safely and keep your family safe. Our Breath Alcohol Tester meets the high standards of the Roadside Law Enforcement, Hospital Employees & Treatment Professionals..
PORTABLE, LCD SCREEN: Our Breath Alcohol Tester is designed to fit in a pocket so you can take it with you when you go out to parties, weddings, social events – ensuring your safe driving after drinking. Bright blue backlight LCD screen provides a clear read....

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YINMIK pH Salt ORP Tester, Digital pH Meter for Aquarium, 7 in 1 pH TDS EC Salt ORP S.G Temp Pool Salt Tester for Spa,Hot Tub,Home Brewing,pH ppm EC Meter for Hydroponics,ORP Meter for Drinking Water

[7 in 1 Digital pH TDS EC Meter] YINMIK YK-7 water quality tester can measure pH, TDS, EC, ORP, S.G, Sat and temperature with high precision at the same time which is a convenient and reliable manner for most regular water solutions' testing..
[pH and Salt Meter for Aquarium] Water quality of the fishpond is extremely important. Slight changes in pH, temperature or salinity may lead to serious consequences. YINMIK YK-7 water tester is expert in aquarium, testing pH, temp, salinity, tds. Save money and time for you..
[Salt Tester and pH ORP Meter for Pool&Spa] YINMIK YK-7 digital water quality meter is the ideal measuring instrument for every swimming pool owner who values optimal water quality. The YINMIK water pH tester combines ease of use and reliability with a compact design. It has pH, Temp, ORP and Salt functions, which can meet the daily monitoring of pools, spa, or hot tub..
[Digital pH EC ORP Meter for Hydroponics] Hydroponics is one of the most common applications for pH, TDS/EC meters. YINMIK YK-7 multi-parameter tester is an invaluable tool for measuring how far away your water is from needing mor....

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JASTEK Portable Breathalyzer Tester with 1000mAh Rechargeable Battery, Personal Breathalyzer to Test Alcohol for Home, Party and Professional Use, Includes 10 Mouthpieces, USB Cable, and Storage Bag

...ry that can last for up to 3 months on a single charge. The power level can be monitored on the LED smart display, making it perfect for personal and professional use..
Accurate and Reliable Results - Our portable breathalyzer utilizes advanced technology, including a high precision semiconductor alcohol sensor, to provide police-grade accuracy and dependable readings of blood alcohol content (BAC) with fast results in just 5 seconds. You can trust our professional breathalyzer to deliver consistent and reliable readings every time..

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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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Keenso Car Engine Oil Quality Tester, Car Engine Gasoline Quality Analyzer Fluid Detection Tool with LED Indicator

【High precision and sensitivity】This motor oil tester has high level of accuracy and sensitivity, with calibration function, detection results are precise..
【Ensure oil Security】Oil quality inspection to ensure oil safety, allows you say goodbye to substandard and counterfeit lubricants..
【With LED indicator】The car engine oil quality tester has LED indicator function, you can clearly figure out the state of oil quality, the last light indicates the quality of the lubricant..
【For Oil Quality Detection】This engine oil tester motor mainly aimed primarily at increasing the acidity of lubricating oil, providing you with a lot of convenience. Suitable for detect diesel engine oil, gasoline engine oil, by testing the oil acid, carbon deposition and moisture, other impurities..
【Service guarantee】We offer 100% perfect customer service. If you have any questions, please do not hesitate to ask to us. We will do our best to help you solve your problem..

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