Best Air Quality Measurement Instrument

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...nce and tightness, and will not easily break. The refrigerant gauge is also equipped with 3 standard test hoses (1.5m) and a portable toolbox, which is convenient for the storage and carrying of the meter..
2.【Refrigeration Gauges for Double Pressure and Dual Temperature Measurement】The digital HVAC gauges can measure double pressure (gauge pressure) at the same time, as well as dual temperature measurement, with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius / Fahrenheit, to facilitate different needs. Note: Please make sure that the temperature sensor clip is properly connected. A poor connection will result in an inaccurate reading of the value..
3.【HVAC Gauges with High-Precision Data Unit and Refrigerant Database】The HVAC manifold gauge built-in 32-bit digital processing unit and a high-precision data acquisition unit, high data and stability. The a/c manifold gauge set built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate the direct reading of operating process data. Also, it tests the percentage of vacuum measurement..

HIGH PERFORMANCE: All kinds of gas measurement accuracy is high, suitable for a variety of occasions, you can avoid the trouble caused by the reading error when you measure..
PRECISE: The air flow meter is simple, practical and easy to use. The transparent panel type makes the reading simple, convenient and clear..
CONVENIENT: Gas flow meter is an instrument for measuring gas rate of flow, which is installed in the pipeline to record the gas flow..
Texture of Material: The gauge consists of acrylic, plastic and metal. Lightweight and durable, suitable for long-term use..

[±5% ACCURACY] The viscometer uses a graduated disk, and the viscosity values are measured by moving the rotor rotation through the spinneret and spindle, has a large viscosity measurement range 10-100,000cps and the measurement error: ±5%, give your enough resolution to control my processes better..
[ROTORS x ROTATION RATE] Different rotors (1,2,3,4) can be selected according to the viscosity range of different test liquids, and different speed (60,30,12,6) can be set. The knob adjustment is straightforward with a coefficient table on the top for easy reference. You can unlock more unknown liquid viscosity..
[LIGHT WEIGHT BUT PRACTIALl] The rotary viscometer is light in weight, easy to move and operate flexibly. The helical gear lifting system effectively ensures that the viscometer can move up and down easily without sliding down by itself, which ensures the smooth progress of your experiment..
[APPLICATION] NDJ-1 has been widely used to determine and measure the liquid viscosity in many application such as grease, painting, plastic, pharmacy and adhesives. There are no limitations about the liquid, just put the rotor into the liquid and test it. But the liquid you measure should NOT exceed 80℃.
[GOOD WARRANTY] Viscosity meter tester is a precison ....

Differential pressure (manometer) measures static pressure, air flow, and volume flow (with pitot tube not incl.).
Measures manifold pressure and pressure drop across filters and coils and has measurement menu in app that includes pressure drop alarms.
Easy configuration and calculations for volume flow (enter pitot tube factor and dimensions easily).
Magnetic back holds instrument for hands-free operation.

[Accurate Measurement ] --- The measurement range is 0-2 BAR or 0-30 PSI, meets most of the air pressure measurement of inflatable boats. Accurate measurements and clear hands make it easy to read pressure data..
[Reliable] --- The air pressure gauge is marked with PSI and BAR units and is reliable to use. It can used with high pressure hand pumps, air pumps or air valves..
[Detect Air Pressure] --- Check air pressure drop changes at any time to identify potential problems in the rubber boat, easy to install and operate..
[Quality PVC Materials] --- This air pressure gauge is made of high quality PVC material, sturdy and durable, suitable for inflatable boat, rubber boat, support plate, etc..
[Scope of Application] --- This PSI air gauge is suitable for sports: outdoor projects, rafting, water skiing, surfing..

【MULTI-FUNCTION TEST】 Refrigeration digital manifold has three common working modes, namely refrigerant measurement, vacuum measurement mode, and....
【SATISFY YOUR NEEDS】 Measure double pressure at the same time & dual temperature, as well as double leak measurement, Test Range: 0KPa~6000KPa.....
【ACCURATE DATA】 The HVAC digital manifold built-in 32-bit digital processing unit and high-precision data acquisition unit, so that its data....
【OPTIMAL DESIGN】 The external material has the effect of shockproof protection, 1/4-inch standard interface design to ensure that the instrument's....
【APPLICATION & WARRANTY】 The digital manifold gauge set is an auxiliary instrument for the installation, testing and maintenance of refrigeration....

High precision: High wavelength accuracy (±3nm), Wavelength range(350~1020nm), good monochromaticity, low astigmatism, high accuracy of measurement and good stability..
Automatic Function: Automatic light door, automatic zero and hundred adjustment equipment calibration..
Easy to Use: This spectrophotometer has digital display shows measurement values. Visible spectrophotometer, an analytical instrument commonly used in physic-chemical laboratories to make quantitative and qualitative analysis of specimen materials in the Visible..
Long Service Life: Digital Spectrophotometer Spectrometer adopting tungsten lamp to ensure the service life of equipment. It is a must-have multi-purpose analytical instrument for routine laboratories..
Widely Application: Widely used in medical, food, petrochemical industry, environmental protection and monitoring, etc..

Seiko design, handle shaking and labor saving: Sturdy gear, twill design, interlocking, rocking instrument saves effort and does not buckle, shaking smoothly..
Portable, convenient measurement: High-quality stainless steel, durable and non-deformable, portable anytime, anywhere, easy to measure..
Rubber bottom angle, anti-drop design: The corners of the product are equipped with rubber bottom angles, which are designed to prevent falling and anti-slip measurements..
Excellent design, watch quality assurance: High quality components, accurate measurement, safe and reliable use..
Customer service: If you encounter any problems, please contact us in time, we will deal with it within 24 hours..

Metal outer case, well protect the inner accessories.
This vacuum manometer is a dial instrument with double scale. The interface is on the back of the pressure gauge.
Broad applications - water, oil, air and more.
Its measurement range is 0~-30inHg or 0~-1bar.