Top 6 Best Presidium Gem Tester

Visual Audible Alert When voltage is detected, the tip emits a red light, the screen turns red, and an alarm sound is triggered. As the detected voltage increases, the red light and alarm sound frequency accelerates. Meanwhile, the LCD screen's percentage value and bar graphs also increase. It could be applied to test AC voltage in cables, wires, circuit breakers, lighting fixtures, switches, and non-tamper-resistant sockets. NCV IP66 CAT 1000V, CAT 600V, and RoHS certified. The TN-213 voltage tester pen is equipped with an NCV probe to distinguish between live and neutral wire safely. The electrical tester is rated as IP66, providing both waterproof and dustproof capabilities. High Low Sensitivity TN-213 suits different voltage detection ranges. Its detection range is 12-1000V at high sensitivity and 70-1000V at low sensitivity. Low range can be applied to motorized curtains, irrigation wiring, outdoor low-voltage lighting, etc. You can adjust the sensitivity mode by pressing the S button. As turned on, the tester will be on high-sensitivity mode by default. User-Friendly Design This pocket-sized voltage tester comes with a convenient pen hook, allowing you to carry it in your shirt pocket with ease. Plus, it features a bright flashlight, enabling you to perform circuit tests even in low-light conditions. To extend battery life, it automatically shuts down after 5 minutes of inactivity. Worry-free After-salesPackage includes a voltage tester, 2 AAA batteries, and a user manual. We provide a 3-year maintenance service and lifetime technical support. If you have any questions or problems while using the product, don't hesitate to contact us.

4.3 Inch LCD Display - With 720P HD digital imaging, the LCD screen displays real-time crisp images and good quality videos in full lighted view with 8 LED fill lights. A large screen enhances ergonomics and eliminates eye and neck strain compared with the eyepiece.. 50X-1000X Magnification - This allows you to zoom in and see the incredible details of observations at a magnification range from 50X to 1000X. The actual magnification differs due to the screen size, the distance between the camera, and the observations.. Microscope-PC View - Supports Windows connection so you can observe on a larger scale. No extra software download is needed, just run the default APPs Windows Camera for Windows 10. Does NOT compatible with Mac OS.. 8 Adjustable LED Lights - Built-in 8 adjustable LED lights provide sufficient and uniform lighting, you can freely adjust the brightness by rotating the button to ensure the specimens are clear and bright. And allow you to capture pictures or record videos in the woods and dark places. Elikliv DM4 microscope will bring an excellent experience.. Widely Used, Great Gift - The digital microscope is very suitable for circuit board inspection, coins, jewelry, and stamps, watchclock repair, skin detection, kids education, textile industrial, biological observationnot suitable for cells, QC inspection, enhancing the interactivity between parents and kids, teachers and students.. Height Adjustable Stand - The height-adjustable stand can adjust the distance between the camera and the object, making the object distance of this microscope longer than other microscopes. As the distance increases, the magnification will be decreased.. Rechargeable Battery - Elikliv digital microscope is powered by a rechargeable battery 2.5 hours of working time or directly via USB. On a sunny day you can take your family or children to explore the magical and colorful miniature world. Truly portable and independent.. The microscope supports taking photos and recording videos, which can be stored for later viewing. Please prepare a memory card according to your own needs to support this function. The memory card is NOT included..

INCLUDED ASSISTED THERMAL CALIBRATION Now easily self calibrate your device to your testing environment. INDUSTRIES MOST TRUSTED Gemstone tester redesigned to be more compact, sturdy and portable. THINNEST RETRACTABLE PROBE TIP I PGT II features the industrys thinnest retractable probe tip. VERSATILE AND RELIABLE Consistent and reliable results every time. Identifies diamondsmoissanites. SIMPLE EASY TO USE Clear and easy-to-read analog dial Can differentiate 16 types of gemstones.

Verifies authenticity of diamonds instantly. Thin probe tip .6mm for testing diamonds as small as .02ct. Retractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between probe and gemstone. No wait time between test. Metal alert buzzer.

NOTE The calibration may be affected during shipping. If you have issues, reach out to the seller.. INDUSTRIES MOST TRUSTED gemstone tester redesigned to be more compact, sturdy and portable.. THINNEST RETRACTABLE PROBE TIP PGT II features the industrys thinnest retractable probe tip.. VERSATILE AND RELIABLE Consistent and reliable results every time. Identifies diamondsmoissanites.. SIMPLE EASY TO USE Clear and easy-to-read analog dial Can differentiate 16 types of gemstones..

Standby Time 10 minutes from the last measurement. AAA Battery Operated. Tested On Loose or Mounted Diamonds in all Jewelry Settings Polished Diamonds and Moissanites, as small as 0.02ct. UV Retractable Optical Probe activates when the tip is in contact with the diamond Alert Buzzer sounds when there is loss of contact between the tip and the stone. ARI measures the UV light absorbance ability of diamonds and moissanites within 3 seconds.

Easy to Use Real Diamond will Emits sounds and lights 9.. Intuitive Design Fake crystal, such as cubic zirconium CZ , crystal, glass will be no sounds and lights 9.. fast and safe This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.. Magnification 60X led Magnification with batteries Small microscope . For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.. Note Please ensure that the battery temperature is higher than 10 , can not test metal, save power.

The Surface Roughness Tester AMT211 complies with international standards ISO, DIN, ANSI, JIS. Users-friendly system and intuitive menu navigation, Multi-direction measurement such as lateral and upsid.. Sensor can work in the meter, also can work independent through 1.0m length cable Max can be 3m.. Affordable Touch screen button operational Surface Roughness Tester. Roughness parameters Ra ,Rz, Rq, Rt, Rp ,Rv, R3z, R3y, RzJIS, Rs, Rsk, Rsm, Rku, Rmr, RyJIS, Rmax, RPc, Rk, Rpk, Rvk, Mr1, Mr2, resolution 0.001 micron. With bluetooth, also can by app to connect with mobile phone.. Calculation results, assessed profiles, bearing and amplitude curves can be displayed. DSP chip controlled achieves high accuracy and fast testing speed, easily connected to PC Printer. Wide Application This portable Surface Roughness Tester allows surface roughness measurement both on metal and non-metal workpieces. It is suitable for machining and manufacturing, quality control, inspection departments, especially for measurement on large and heavy workpiece, assembly line on site. The AMT211 is a Non Destructive Testing instrument, damage wont be caused when testing piece..

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, professionals are not required. Simply turn on our Diamond Tester Pen detector place the tip of the Diamond Tester on the gem stone lightly pressed is sufficient and If the stone is fake, crystal or cubic zirconia, the tester will not beep. reads weights of adiamond use 200g0.01g 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 200g0.01g 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 RangeIndustrial 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 have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn slowly..

Fast and safe Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.. Intuitive DesignLCD display LED indicator.Uses large small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.. Simple to UseHqdz Diamond Tester Pen is simple to operate to get results, professionals are not required. Simply turn on our Diamond Tester Pen detector place the tip of the Diamond Tester on the gem stone lightly pressed is sufficient and If the stone is fake, crystal or cubic zirconia, the tester will not beep.. Package includeDiamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery..

It has a built-in LED light source that runs on AC power and provides long-lasting, ideal illumination.. An instrument designed to determine whether a gemstone is doubly anisotropic or singly isotropic refractive.. Detecting strain diamonds and other stones, as well as distinguishing synthetic from genuine amethyst. The operator of a conoscope will see the various directions in which light travels..