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Best Chair Back Tester

Greenwon 68S Dedicated Breathalyzer Mouthpiece 20Pcs

  • ★ HIGH PRECISON, SENSITIVE RESPIRATORY. ketosis monitor is used to measure the concentration of ketone substances in the human body.The portable....
  • ★ ENERGY SAVING, automatic shutdown function.Powered by a 2 x AAA 1.5v battery (not included but generally available), this acetone tester will....
  • ★ LARGE DIGITAL LCD SCREEN .The acetone tester has a large screen with an orange background.Backlighting allows you to use this breathalyzer acetone....
  • ★ COMPACT DESIGN.This breathalyzer is small in size, light in weight and easy to carry.You can hang the acetone tester on the keychain when you're....
  • ★ 30 DAYS MONEY BACK GUARANTEE,LIFETIME WARRANTY. GREENWON has 20 years of experience in the production of respiratory tester, in the respiratory....
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Agratronix Coffee Moisture Tester Model 08150

  • MOISTURE TESTER: Specially calibrated to provide accurate moisture results for a variety of coffee commodities, the AgraTronix coffee tester is reliable equipment that is easy to operate anywhere and at any time..
  • UNIQUE DESIGN: The coffee humidity tester is equipped with back lit multilingual display that provides precise readings even in dark. It has easy basic mode or advanced precision calibration mode to match local elevator table top moisture testers..
  • CONVENIENT TO USE: This is a handheld coffee moisture tester that can be used with multiple sets of grain scales that are listed for customization of offsets by the operator. It provides more accurate readings than scoop type testers..
  • PRECISE READINGS: The coffee bean moisture tester works well in moisture range: 7% to 40% for green coffee, 8% to 40% for parchment coffee and 4% to 20% cocoa. It offers accurate measurements in normal moisture range for stored grain..
  • PRODUCT SPECIFICATIONS: The coffee moisture meter has 0.1% moisture display resolution. It can be operated using two 9V batteries. It works well in 32° to 113°F temperature range..
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Diamond Tester Pen, ZAKVOP High Accuracy Jewelry Diamond Tester Tool, Upgraded Professional Diamond Selector for Novice and Expert, Portable Electronic Diamond Detector, Thermal Conductivity Meter

  • 【Fast Results】: Diamond Selector II, Newest Diamond Tester Pen, high accuracy indicate genuine diamond or fake. This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds..
  • 【Simple Use】: The diamond tester pen is simple to operate to get results. Just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently. When testing, the probe needle and the tested object must be at a 90° angle..
  • 【Intuitive Design】: Professional Diamond Selector II will indicate genuine diamond or fake. The real diamond will make sound and LED light > = 9. Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and LED lights.
  • 【Jeweler Diamond Tester】: This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes..
  • 【Warm Reminder】: When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. Do Not test any metal. Do Not wear glove..
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Allprettyall EMF Meter Rechargeable Electromagnetic Radiation Detector for Testing Ghost, Magnetic Field, Electric Field Radiation and Ambient Temperature, Sound-Light Alarm, Max/Average Value Lock

  • NO RF DETECTOR - The EMF tester has more uses than other's tester, testing the magnetic field radiation with optional units mg/µt, the electric field with unit v/m and ambient temperature with 2 units ℃/℉. More uses in the EMF tester can help you check out whether the place is radiation-free and constant temperature.
  • ONLY FOR ELECTRIC DEVICE - The detected data can be locked and the maximum data can be locked at the same time. LCD display can be turned on and off, and there is a flashlight and hole for connecting the tripod on the back of the tester.
  • LARGER FREQUENCY RANGE - The measurement frequency range is larger up to 5HZ—3500MHz, getting more accurate measurement of daily home appliances: TV, mobile phones, computer, refrigerator, induction cooker, electrical wires, etc.
  • SOUND-LIGHT INDICATOR - When the test result exceeds the safe value(003e 4.0 mG / 003e 0.4µT/003e 40 V/M), EMF tester will alarm with sound and light. The sound frequency of the alarm will be stronger and the light is turned red from green as the increase of radiation value.
  • WHAT YOU GET - 1 x EMF Meter, 1 x 9V Battery, 1 x User manual (Just contact us or send it back for a full refund, our customer service will solve it in time).
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Diamond Tester, High Accuracy Jeweler Diamond Tester Pen for Novice and Expert Professional Diamond Detector

  • 【Nondestructive Testing】This diamond tester can quickly, accurately and safely detect the authenticity of diamonds without any damage to diamonds..
  • 【Jeweler Diamond Tester】This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: diamond, sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes..
  • 【Fast Results】The real diamond will make sound and LED light > = 9. Fake diamonds will have no sound and LED light < 9..
  • 【Simple Use】The diamond test pen is easy to operate, just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently.（The probe and the object to be measured must be at 90 degrees）.
  • 【Warm Reminder】The probe of diamond detector is very sensitive and must be protected with special care. When not in use, it should be sheathed. When testing diamonds, the right index finger must always touch the metal panel on the back of the tester, and do not touch the panel when testing other gems..
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Dupeakya Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone (Diamond Tester 2)

  • [FAST AND PRECISE ]: This gemstone tester pen is not only a diamond tester but also a multi-gemstone tester. It is designed to detect if a gemstone is real or fake, including: diamond, sapphire, crystal, ruby, agate, jadeite, etc. Professional Diamond Selector designed for quick, precise, and safe diamond testing..
  • [SIMPLE TO USE ]: Diamond Tester Pen is simple to operate to get results. 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light lights up on the scale. 5. Make sure the " ready lamp" light is on. 6. (If test diamond, you then need to turn on the number of the light corresponding to the indoor temperature and diamond weight.)..
  • [TEST RESULT ANALYSIS ]: If lights 003e= 9 and have sounds, it is real diamond. If lights 003c 9 and no sounds, it is not diamond. If lights is 7 or 8, it is true crystal. If lights is 6 or 7, it is true jade. If lights is 4 or 5, it is glass.
  • [NOTICE]: * When testing, the probe needle and the tested object must be at a 90° angle. * When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. * Do Not test any metal. * Don't wear gloves..
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Replacement Car Exhaust Back Pressure Tester Gauge Meter DiagnosticTool Catalytic Converter Clog Test Gauge Kit

  • Car Exhaust System Back Pressure Tester Meter Diagnostic Tool Exhaust System Diagnostic Tool Exhaust Back Pressure Tester.
  • Adaptor fits into oxygen sensor hole enabling back pressure of mufflers and catalytic converters.
  • Gauge adapter threads into oxygen sensor ports (both 12mm and 18mm). Test at idle and at2500 rpm's. Pressure should be below 1.25psi at idle and below....
  • Higher readings indicate a restriction which should be corrected..
  • Package including? 1* SET OF Car Exhaust System Back Pressure.
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CCTV Tester for Security Camera Installation Support AHD TVI CVI CVBS Coaxial Camera Monitor .960 CVBS CCTV Analog Security Camera with UTP/PTZ Tool,UPI Cable Test,DC12V Output Portable

  • The cctv Tester used for Analog/AHD/TVI/CVI CCTV tester:720P / 960P / 1080P / 3MP / 4MP / 5MP/ 8MP AHD cctv camera test, TVI & CVI camera.
  • There's a 12v out on this cctv camera tester, it also gets 12v camera Power cable , plugged it into the tester, and powered the cctv camera straight....
  • HDMI and VGA port for Video Into the cctv tester. That means you can test and set your cctv DVR or NVR as usd a monitor directly UTP terminator dongle....
  • Dual 18650 batteries Supported, which are high capacity（2600mah*2pcs charging 3-4 hours, working time lasts 11 hours.） and cheap to replace. Only....
  • 30-day money-back guarantee and 1-year warranty which includes the panel（the most easy to destroy） replacement and lifetime technical support.....
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Romondes RD510 3 in 1 Car Battery Tester, Car Battery Desulfator, 12V 4Ah-100Ah Fully Automatic Smart Battery Charger Automotive Pulse Repair

  • 【 3-in-1 Battery Tester & Charger & Repair 】Romondes RD510 is a professional 3 in 1 battery tester, battery charger, battery maintainer(pulse repair), battery desulfator. The large color LCD Screen and button-operated features will be more convenient compared to other similar products..
  • 【 Accurate Battery Tester 】Running for years but no idea about battery status? RD510 12V battery tester provides you an overall analysis of battery health by checking its voltage charge and internal resistance, then tells you whether the battery needs to be recharged. Also this battery analyzer runs cranking and charging system test and car alternator tester charging, which make you feel at peace on the road..
  • 【 Fully Automatic Battery Charger 】Charge batteries as low as 2V, max output 12V 5-amp. RD510 battery charger not only helps you charge the batteries but also adapts the newest pulse repair technology, one-click repair and automatically detects battery sulfation and acid stratification to bring the batteries back to life and restore their performance..
  • 【 Battery Repair 】Automatic sulfating and acid stratificatio....
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Sper Scientific 860040 Turbidity Meter

  • ✅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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Diamond Tester Pen, High Accuracy Jeweler Diamond Tester for Novice and Expert, Professional Diamond Selector, Portable Diamond Checker Tool, Thermal Conductivity Meter (Matte Black)

  • 【Jeweler Diamond Tester】This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: diamond, sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes..
  • 【Nondestructive Testing】This diamond tester can quickly, accurately and safely detect the authenticity of diamonds without any damage to diamonds..
  • 【Simple Use】The diamond test pen is easy to operate, just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently.（The probe and the object to be measured must be at 90 degrees）.
  • 【Fast Results】The real diamond will make sound and LED light > = 9. Fake diamonds will have no sound and LED light < 9..
  • 【Warm Reminder】The probe of diamond detector is very sensitive and must be protected with special care. When not in use, it should be sheathed. When testing diamonds, the right index finger must always touch the metal panel on the back of the tester, and do not touch the panel when testing other gems..
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Upgraded Diamond Tester Pen, Environmental Protection 9V Battery, High Accuracy Jewelry Diamond Tester, Professional Diamond Selector for Novice and Expert, Accuracy Jewelry-Tester Pen

  • ✔◇✔This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake, including: diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes..
  • ✔◇✔SIMPLE TO USE : Diamond Tester Pen is simple to operate to get results. 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light lights up on the scale. 5. Make sure the " ready lamp" light is on. 6. (If test diamond, you then need to turn on the number of the light.
  • ✔◇✔Before Test: 1. Put the battery in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light light up on the scale. 5. Make sure the " ready lamp" light on. 6. (If test diamond, you then need to turn on the lights number corresponding to the indoor temperature and diamond weight.).7. (If test other gems, you'd better calibrate the probe, method: by placing the probe vertically on a glass, then adjusting the light to 5, then test the gems.).
  • ✔◇✔NOTICE: * When testing, the probe needle and the tested object must be at a 90° angle. * When testing diamond, your right index finger must keep touching the metal panel on the back of the t....
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Armada Technologies Pro48K Multi-Function Irrigation Test Kit with Tone Probe and Case

  • 【Overload Protection for Longer Life】Auto circuit breaker protect the tool from overload through the inner circuit breaker to enables product last longer and durable..
  • 【4 Adjustable Modes probe tester】AC detects the maximum and minimum voltage, supply frequency and duty cycle of the circuit under test.
  • DC detects the voltage value of the circuit under test.
  • In addition,the circuit tester can also detects the resistance between the circuit probe under test and the auxiliary ground.
  • Diode Test can quickly test the operation of the diode assembly and determines if it is conducting..
  • 【Easy to Operate】Power probe built-in head light allow you to work in the dark area, there will be beep tone when detecting,operate the tool without looking at the menu once you are familiar with the tone.Provide 4.9ft of electrical wire for easy use..
  • 【WIDE Vehicles Application】 Power probe tester can support 6-30V cars, boats, trailers, ATV, motor homes and many other vehicles. With the ability to power components such as radiator fans, starter motors, relays, window regulators, windshield wipers, etc. Powered by the car battery or cigarette lighter, no extra battery or cable required.
  • 【3-YEAR WARRANTY Circuit Tester】 For damages caused by non-human factors....
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