Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists
Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones..
Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones..
This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI..
The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial)..
In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face..
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..
DUOYI Ground Digital Insulation Resistance Meters, 0-2000 Ohm DCV ACV Meter Megohmmeter Megohm
The ground resistance tester is a commonly used instrument for testing and measuring ground resistance. It is also a common tool for electrical safety inspection and grounding engineering completion acceptance. This product is suitable for grounding resistance measured by electric power, post and telecommunications, railway, petroleum, chemical, communication, mining as well as measuring low resistance conductor resistance..
High precision: Three-wire resistance compensation test method can eliminate the influence of lead resistance. Fast response: Display measurement data in approximately 5 seconds..
Withstand voltage protection: Grounding voltage file, can withstand 300VAC (1 minute), grounding resistance file, can withstand 200VAC (10 seconds)..
Indicator light guide:Power and Wiring indicator to guide the user to use correctly, power light: power indicator. Green light:Checking the test line correct or not, the 6th 5th battery installed correctly or not..
Innovative industrial video converter based on GBS8219(RGB,MDA,CGA,EGA to VGA Converter) with all-in-one LCD display with 3 screen sizes, 8.4''/10.4''/12.1''.
GBS8229 = old CNC CRT monitor + XVGA converter. Video converter of industrial achieves full automatic conversion from industrial video signal Rgbhv, Rgbs, Rgb, MDA,CGA,EGA etc. signal to VGA signal.
Specialized Display of navigation and import production line, armamentarium, Specialized Display of airport, railway and financial facility, Special size Display.
Widely use for various kinds of FHKD, such as Digital Control Machine Tool Display, DCS Display, injection molding machine, analytical instrument.
Easy to replace any broken CNC / Industrial CRT monitor,Charmilles EDM & WIRE-CUT CRT monitor, Sodick EDM & Wire-Cut CRT display, INJECTION MACHINES CRT monitor, SPECIAL PURPOSE MACHINE CRT display in virutally all commercial / industrial manufacturing machinery..
CNCEST Torque Gauges,Digital Cap Torque Tester with Conversion of Three Kgf.cm/Lbf Units
Excellent product: the new HP-20 torque meter digital cap torque meter tester is an intelligent multi-function measuring instrument designed to test various cap torques. It is mainly used to test and calibrate the tightening force, torsion destructive testing of parts, etc..
Easy to use: It has the characteristics of simple operation, high precision, easy to carry, and complete functions. Widely used in various electrical, light industry, machinery manufacturing, scientific research institutions, etc..
Data storage and printing function: The instrument can store up to 10 sets of data at a time. If the linked computer can store unlimited data (can record, store, delete, maximum, minimum and average 10 torque values)..
Computer can be connected: The Rs-232/usb interface is used to connect to the computer, display the test data of the torque meter on the computer with a curve, and convert the curve into an excel file, as well as all the functions of the Excel software in the computer, including printing..
Power-saving design: The power-saving design of automatic shutdown can be set freely from 1 to 60 minutes without any operation..
Beaumont Flute Cleaning and Care Product (BFC4030-CS)
Recycled Microfiber cloth – soft and smooth Our lint free cloth recycled microfibre is ideal for cleaning & polishing delicate surfaces like silver, gold and brass as well as strings and for use with rosin, making it the ideal solution for cleaning and caring for musical instruments.
Design – Microfiber cloths for cleaning are made from tiny wedge shaped fibers, up to 100 times finer than human hair, These tiny fibers pick up and hold dirt and dust more successfully than cotton alternatives making them perfect for cleaning and polishing instruments and strings as well as applying rosin.
Size – measuring 40cm x 30cm -15. 75 x 11. 8 inches, our microfiber Cleaning cloth can make easy work of wiping down a flute, trumpet, horn, viola, cello or guitar, removing dirt, grease and moisture. It is easy to fold and store away in your flute case, trumpet case, or violin case when not in use.
Clean – keep your instrument clean, acoustic or electric, silver, brass or gold. Keep your Microfiber cloth looking like new, simply machine wash and hang to dry naturally. Suitable for external use on musical instruments and applying rosin to violin strings and other string instruments.
Gift – a musician must always keep their instrument clean. Our high quality micr....
Elitech Digital AC Gauge Set HVAC Gauges APP Monitoring with Temperature Clamps 1/8'' NPT, PT-500&PT-800
... HIGHER PROTECTION LEVEL: The pressure gauge is made by ABS and PPT and the waterproof level is IP65. The package includes a portable case with a handle and two temperature clamps..
WIDE APPLICATION: This digital HVAC gauges electronic refrigerant group instrument, measuring temperature and pressure in real-time, is an auxiliary instrument for the installation, testing, and maintenance of refrigeration equipment such as air conditioners, fridges and cold storage. 24/7 US Technician Support via Email and Phone..
