Reviews Test Data Calculation

Water Quality Tester EZ-9909 5 in 1 Function Water Quality Testing Meter PH Salinity TDS EC Tester with Backlight for Aquaculture Drinking Water Swimming Pool

  • EZ Grow Systems 5in1 Water Multifunctional Tester can test PH, TDS,EC, salinity and temp of distilled water and drinking wate.
  • Water hardness test kit have been calibrated, It can be used normally for one year. Operation temp is 0.1-60 ℃ (32-140℉). the test error is....
  • Automatic temp compensation(ATC) Fast calculation, backlit LCD, Easy to read data, The water hardness test kit Small appearance, easy to carry.....
  • EZ Grow Systems 5 in 1 multifunctional water quality tester is suitable for drinking water, water osmotic system, hydroponic plants, aquarium water....
  • When LCD display is fuzzy, The battery needs to be replaced. The battery model is LR44, 1.5V*3,Pay attention to “+”&”-“..
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HOJILA Surface Profile Gauge SRT-6223 Handheld Roughness Tester Meter for Measure Blast Cleaned Surfaces Range 0~800 µm

  • Surface Profile Gauge meets the standards of ASTMD-4417-B, IMOMSC.215(82), SANS5772, US Navy NSI 009-32, US Navy PPI-63101-000. Suitable for the laboratory and for use in harsh field conditions. Accurate, immediate and repeatable results.
  • The tungsten carbide tip will last for up to 20,000 readings and can then be easily replaced by the user in the field. Cost per test is significantly lower than other test methods..
  • The roughness tester Metric/Imperial Conversion and average calculation function..
  • Small in size, light in weight and easy to use..
  • Can use USB/RS-232 data output to connect with PC..
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Elitech Digital Manifold Gauge HVAC 4 Valve Manifold Gauge with Hoses Vaccum Sensor Thermometer Clamps, EMG-40V

  • UPGRADED ELITECH TOOLS APP(ioS and Android): An intergraded app, that allows users to manage all Elitech tools as vacuum pump, digital manifold, vacuum gauge, pressure gauge, refrigerant charging scale on one app, more efficient and more intelligent..
  • SYSTEM LEAKAGE TESTING: Monitoring the process of pressure holding and vacuum leakage test precisely with temperature compensation..
  • SMART TOUCH SCREEN:  Elitech EMG-40V digital manifold adopts multiple HVAC tools in one unit. It shows changes in vacuum, pressure, and temperature in clear data, and graph display supports data monitoring and analysis in real-time, 100,000 points of data can be recorded and exported by USB..
  • AUTOMATIC CALCULATION: Measure the superheating and subcooling temperature of 88 refrigerants automatically, refrigerants used frequently can be saved on top..
  • CONVENIENT: Thanks to the 4-way valve and automatic heat pump mode, there is no need to switch over to different refrigerant hoses, which enables a quick and easy application.
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RaeSung SRT-6223 Surface Profile Gauge SRT6223 Handheld Roughness Tester Meter for Measure Blast Cleaned Surfaces Range 0~800 µm

  • Surface Profile Gauge meets the standards of ASTMD-4417-B, IMOMSC.215(82), SANS5772, US Navy NSI 009-32, US Navy PPI-63101-000. Suitable for the laboratory and for use in harsh field conditions. Accurate, immediate and repeatable results..
  • The tungsten carbide tip will last for up to 20,000 readings and can then be easily replaced by the user in the field. Cost per test is significantly lower than other test methods..
  • The roughness tester Metric/Imperial Conversion and average calculation function..
  • Can use USB/RS-232 data output to connect with PC..
  • Small in size, light in weight and easy to use..
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VTSYIQI Surface Roughness Tester Meter Gauge profilometer with Data Storage Function Multiple Testing Parameters Ra Rz Rq Rt OLED Color Display

  • *Shell used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly, in line with the design of the new trend..
  • *Using high-speed DSP processor for data processing and calculation, measurement and computation speed is greatly improved..
  • *Liquid crystal display wide temperature using OLED color display, popular high brightness, no visual angle, is suitable for various occasions..
  • *Large measuring range suitable for most materials Optimized electric circuit design with transducer structure-design, high integrate power..
  • *It could test ex-circle, flat surface, conical surface and also test groove larger than 80*30mm..
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AC Gauges Digital HVAC Manifold Gauge Set for 93 Refrigerants AC Pressure Gauge Set R134A R22 R12 R410A R1234YF Home Car Automotive Refrigerant Recharge Kit Refrigeration Hoses with Low Loss Fittings

  • ...mperature database according to the America NIST standard. Newly added 4 refrigerant types: R438A, R448A, R449A, and R452A. The manifold gauge set has the double pressure test, dual temperature test, digital readout, multi-unit switching (kPa, Mpa, bar, inHg, PSI or °C, °F ), and multi-mode function..
  • 【Automatic Calculation of Subcooling and Superheating】The refrigeration gauges built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability. Digital refrigerant gauges can also calculate the supercooling and superheating degree, which is convenient to read the data directly during the operation. In addition, the ac manifold gauge set tests the percentage of vacuum measurement.
  • pressure leak measurement, and leak time speed record..
  • 【Visualization Window & Refrigerant Charging & Vacuum Operation】Through the window of HVAC digital gauges, the charging state of the refrigerant can be directly observed, which is more convenient to operate. The HVAC digital manifold gauge set can realize vacuum operation by connecting the refrigeration equipment and vacuum pump. Note: When the gauge is turned on, there may be 10 digits in the high and low-pressure display area. At this time, press the zero button long unti....
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Laser Measurement Tool, MILESEEY ±2mm Accuracy Laser Measure with Digital Angle Level, Laser Tape Measure with Phone App, Record Data and Make Your own Sketch Support Hand-Drawn Plan/Draw on Picture

  • ✅Unique Functions- The high precision laser head component can be measured quickly and accurately in 0.5s. Auto level: only calculate the hypotenuse, horizontal distance and vertical height automatically. Auto height: Measure only 2 hypotenuses. Vertical height is calculated automatically. Automatic calculation of area and volume with one-button operation..
  • ✅Practical Multiple Measurements- 229Ft laser measuring device measurement accuracy: ±0.2mm, meet your different requirements: automatic calculation of area, volume and distance, continuous measurement, Pythagorean method-3 points.
  • Widely used: Distance measuring laser is ideal for home decoration, especially in large areas such as apartments, buildings, real estate, factories, warehouses, construction and industrial sectors.
  • ✅Unit Switch & 30 Data Records& Energy Saving Desgin- Switch units freely in M / FT / IN / ft + in.
  • 30 data records and callback function useful for verification and calculation.
  • automatic shutdown to save power after 180 seconds.
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Fencia Body Composition Analyzer Fat Monitor Portable Hand held Body Mass Index BMI Health Monitor Fat Analyzer

  • 【Measuring Principle】:This is an electronic body fat monitor powered by 2xAA batteries. User is required to hold device, and input his/her height,....
  • 【Scientific Basis】:Body Fat Percentage is calculated by the five data in the formula that are height, weight, age, gender and the resistance value....
  • 【Calculation Methods】:BMI is calculated by: weight (KG) / square of height (M). It is categorized into : emaciated, standard,slightly obese and....
  • 【Calorie Calculation】:Basic Metabolism Rate is calculated according to the input personal data. It shows the regular daily heat consumption except....
  • 【Easy to Read】:Personal profile set-up and memory in the monitor makes monitoring quick and easy.The device is easy to read with large LCD screen..
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Elitech PGW-500 Wireless Digital Pressure Gauge with Temperature App Alerts for HVAC System IP65 Waterproof -14.5~500 PSI 1/8'' NPT

  • UPGRADED ELITECH TOOLS APP(ioS and Android): An intergraded app, allows users to manager all Elitech tools as vacuum pump, digital manifold, vacuum gauge, pressure gauge, refrigerant charging scale on one app, more efficient and more intelligent..
  • MULTIPLE REFRIGERANTS & UNITS: Support the saturated temperature-pressure comparison table of more than 87 kinds of refrigerants. 7 pressure units can be selected, psi, inHg, kg/cm², cmHg, bar, kPa, Mpa..
  • APP CALCULATION: Superheating and subcooling can be calculated when entering the pipe temperature in App, fast & easy while reducing manual calculation mistakes..
  • OFFLINE RECORD: The wireless pressure digital gauge can record data offline and transmit the current pressure value to the app by Bluetooth automatically, which helps you read data at any time anywhere..
  • HIGH PROTECTION LEVEL: The pressure gauge is made by ABS and PPT and the waterproof level is IP65. 24/7 US Technician Support via Email and Phone..
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Mio Coach 100 Stopwatch

  • 100 lap and split memory. Unique ''fastest lap'' audio alarm..
  • Chrono data store data for each run with date tag.
  • individual lap time, total time, fastest lap, average lap time calculation.
  • Count down timer. Two row display for dual time display.
  • Date of the week display, Time 12/24 hour format, Daily alarm.
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RENUS 8 Packs, 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher 16 AAA Batteries Included

  • ...ity level courses, including pre algebra and algebra I/II, grade scientific calculator with 240 scientific functions.
  • This scientific calculator is suitable for many occasions, such as business offices, homes, schools, banks, etc..
  • You can use it to help you deal with basic budgets, personal financial management or calculation tasks and more.
  • Practical Tools: the engineering calculator with 240 scientific functions can easily handle 1 and 2 variable statistical calculations, including percentages, trigonometry, 24 parentheses levels, summation, regressions, fractions, regressions, permutations and combinatorics, etc., to provide you with comprehensive and diverse calculation functions scientific/ engineering notation mode, which is very useful.
  • 2 Line Clear Display: this math calculator has a 12 digit high definition display widescreen, and a 2 line display allows the input numbers which can effectively avoid errors in the calculation process and improve work efficiency (our calculator uses 2 LR1130 battery not solar).
  • Easy to Hold: this scientific calculator engineering has a hard sliding cover that can protect the keys of....
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AmazonCommercial Insulation Tester with Multimeter Function, True RMS, CATIV 600V

  • Handheld digital insulation resistance tester with built-in multimeter for safety.
  • Compact size fits easily into a pocket or on a tool belt.
  • Automatic calculation of polarization index and dielectric absorption ratio.
  • Includes True RMS, CATIV 600V, Pass/Fail for fast repetitive test, low resistance measurement.
  • Included components: test leads, 6 x 1.5V AA batteries, Type K temperature probe, temperature probe connector, waterproof plug for jack, carrying case, crocodile clips, user manual.
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CGOLDENWALL Digital Spectrophotometer Spectrometer Visible Spectrometer Tungsten Lamp for Lab Medical Testing Petrochemical Industry 7230G

  • Wide range of applications: The product is suitable for quantitative analysis of the content of substances in the ultraviolet and visible spectrum regions, and can be widely used in factories, school gold, agriculture, food, biochemistry, environmental protection, petrochemical, medical and health, and various scientific research units..
  • Touch the screen to automatically adjust the wavelength: A standard curve of up to 12 standard points can be established. Calibration curve fitting, concentration direct reading, it can save 50 curve parameters. It has a concentration direct reading function with concentration factor setting and concentration setting, which can save 200 test records..
  • 4 -digit LCD display: 4-digit LCD display with large measuring range and high calculation accuracy..
  • Advanced optical system design: Our products adopt advanced optical system design, sealed grating monochromator, adopt scientific anti-mild technology, eliminate stray light technology, and significantly improve the service life, stray light, stability, and metering accuracy indicators..
  • Print function : The newly designed optical path ensures linear accuracy and ultra low stray light. It can connect directly to printer (matching), print data or map..
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