Top Laboratory Light Meter

VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified

  • Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools.
  • PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings.
  • 3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm.
  • Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F.
  • Lightweight, handheld design for portability and convenience.
  • Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers.
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HM Digital 1000ppm TDS Calibration Solution

  • For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
  • Comes in lightweight HDPE plastic bottles.
  • Laboratory quality NIST-traceable solutions.
  • Any brand TDS meter can be calibrated to any brand of calibration solution.
  • Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.
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Preciva Digital Psychrometer Thermo-Hygrometer, LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry, Agriculture, Meteorology (9V Battery Included)

  • This digital Humidity & Temperature Meter & Wet Bulb Temperature Dewpoint Temperature has been designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dewpoint temperature..
  • It is an ideal Humidity & Temperature Meter instrument with scores of practical applications for laboratory, industrial, engineer and professional..
  • Small form factor easy to use, with a white backlit dual display LCD screen can be used in a dark environment..
  • The humidity & temperature meter is for use a humidity/ semiconductor sensor..
  • Resolution 0.01%RH, 0.01 °C/0.01 °F，Max Hold and Data Hold Function.
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Hofun TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

  • ...r quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate results in seconds. In addition, advanced and reliable systerm ensures measurement accuracy, 0-9999 ppm, making it fits multiple usages, hydroponics meter，Ideal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc..
  • ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line)..
  • ✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation. Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes..
  • ✔[ HIGH QUALITY TDS METER] Hofun water quality test meter is manufactured under extra high standards and of excellent quality. Thus we have absolu....
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TDS Meter Digital Water Tester - PPM Quality Testing Tool 3-in-1 (TDS, EC & Temp) High Accuracy ATC Tester, Nutrient Testing Pen for Hydroponics, Monitor Ro System, Pools, Aquariums & Saltwater Tanks

  • HOLD AND AUTO-OFF FUNCTIONS: the 7Pros TDS meter has data-hold function, it locks your readings making it easy to record. The EC Meter will automatically shut down after 9 min of inactivity.
  • FACTORY CALIBRATED: our ppm meter is factory-calibrated at 342 ppm NaCl and designed to stay consistent.
  • ACCURATE: TDS readings are adjusted with automatic temperature compensation, assuring users of consistent and accurate measurements of total dissolved solids.
  • EASY TO USE: The tds meter digital water tester will get your testing results in seconds. Turn on, immerse the electrode in the testing liquid, press Hold button and read the numbers.
  • WIDE USE: Our conductivity meter is Ideal for all water quality testing, its a ppm meter for hydroponics, water purification applications, aquariums and saltwater tanks, wastewater regulation, aquaculture, laboratory and scientific testing, pools, ecology testing, colloidal silver, water treatment, etc..
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Hofun TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Digital Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, Hydroponics

  • ...[ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Hofun ppm water tester is equipped with premium quality titanium alloy probe, which enables quick and convenient water total dissolved solids(tds) test. 0-9999ppm wide test range makes it fits multiple uses, like drinking water test, swimming pool, hot tub, laboratory, hydroponics, aquariums, well water, tap water, etc..
  • ✔[ BONUS 3 in 1 TDS , EC & TEMP METER ] Hofun 3 in 1 TDS Meter, Electric Conductivity Meter & Temperature Meter features the most updated technology. Three different measurement needs can be fulfilled by one water tester meter. Not only been convenient for you, but also saves your time and money, absolutely a helpful water test kit for your water safety at home..
  • ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TELLER ] Hofun water hardness test meter with Big Backlit LCD is far superior than most digital water quality tester display, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means non-drinking water. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line.).
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Oakton AO-35423-01 EcoTestr pH 2+ Pocket pH Meter 1 pack

  • ...about the temperature of testing liquid, as ph meter has built in (ATC) automatic temperature compensation, so that it can accurately determine pH value of the sample at any temperature in a range of 0 DegreeC - 80 DegreeC (32 DegreeF - 176 DegreeF)..
  • WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses.Suitable for testing the pH of drinking water, swimming pools, aquariums, reverse osmosis systems, spas or hydroponics.
  • ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer, etc..
  • MAKE YOU SATISFIED WITH THE PRODUCTS: Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders..
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TDS/pH/Temperature 3-in-1 pH Meter with ATC 0.01 High Precision Water Quality pH Tester Digital, pH Measurement Range with 0-14, pH Meter for Water Household Drinking, Pool and Aquarium

  • ...en the pH meter is removed from the sample..
  • ✔️Mini Size - Lightweight and portable size allows you to take it around easily in your pocket and do your measuring anywhere. pH meter can help you test it whether you take it to the pool, on a trip, to the beach or camping..
  • ✔️Widely Used - Ideal for home or laboratory uses. Digital pH meter can be used to test drinking water, swimming pools, pH balance in aquarium, bath tub, spa, wine, beer and any other liquids, or anywhere need to test pH value and get accurate data..
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TDS/pH/Temperature 3-in-1 Digital pH Meter with ATC 0.01 High Precision Water Quality Tester pH Measurement Range with 0-14 pH Meter for Household Drinking Pool and Aquarium

  • ✔️ 3-in-1 pH Meter - pH meter has a three-in-one function, which can measure PH, TDS and temperature with high precision..
  • ✔️ Accurate Testing - Using a high sensitivity glass probe, the pH tester with a measurement range of 0-14.0 can quickly read accurate pH values....
  • ✔️ Auto Calibration - Digital pH tester factory calibrated, but recalibration is needed in case of long period of inactivity or after a frequent....
  • ✔️ Widely Used - Ideal for home or laboratory uses. Digital pH meter can be used to test drinking water, swimming pools, PH balance in aquarium,....
  • ✔️ Mini Size - Lightweight and portable size allows you to take it around easily in your pocket and do your measuring anywhere. pH meter can help....
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Fivota pH and TDS Meter Combo, 0.01 pH Accuracy pH Meter with ATC 0-14 pH Test Range, Temperature and TDS Test Meter Range of 0-9990ppm, 3 Meters Combo Ideal for Various Water Test Requirements

  • ...quid from 0 to 9990ppm with ± 2% accuracy and also the temperature of liquid in range from 32～210℉. The blue TDS meter can test TDS value of liquid from 0 to 9999ppm with ± 2% accuracy and also the temperature of liquid in range from 32～176℉..
  • Wide applications: This liquid test meters combo can be used in laboratory for different kinds of test experiments.
  • it can also be used for home purposes to test many important factors of drinking water in order to ensure safe water consumption..
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PH Meter Smart Bluetooth,7-in-1 ORP Meter/S.G Meter/TDS Meter/Salinity Tester/PH Meter/EC Meter/Temp Water Meter, PH Meter for Water 0.01pH Resolution High Accuracy,ph Tester Digital with ATC.

  • ...Digital pool water tester professional measurement ORP Meter/S.G Meter/TDS Meter/Salinity Tester/PH Meter/EC Meter/Temp.Water tester multi-function one-key switching, which is more worry-free and convenient to use. Ph meter for water quality is widely used,can be used to test drinking water,fish tank,swimming pools,laboratory,in aquarium, spa, wine, beer,ect..
  • 【pH Meter】The pH tester digital mainly detects the pH value of liquids.The ph tester can be applied to food, pet fish supplies or hydroponics aquaculture.Water that is too acidic or alkaline can adversely affect the health of humans or pet fish.The pH water tester can also be used for blood, saliva, sweat, urine,etc..
  • 【Orp Meter】Pool chemical testing kit is a good helper for pool supplies.In addition to testing the ORP value in swimming pool water, pool water tester can also be used as a pool thermometer.The ORP value is a measure of the oxidative power or sterilization strength in water pool salt. The higher the ORP value in water, the stronger the oxidative power and sterilization ability..
  • 【Comprehensive Information Display】Simply immerse the tds meter ....
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Princeton Tec Vizz II Headlamp, 150 Lumens, Black, AAA

  • ETL RATED. Nationally Recognized Testing Laboratory tests products to UL, CSA and CE standards. Products must meet prescribed product safety standards, and the manufacturer's production site must conform to compliance and periodic follow-up inspections..
  • IPX7. Lights provide waterproof integrity down to 1 meter for up to 30 minutes..
  • MAXBRIGHT LED. The highest quality LED available. Extremely bright and efficient. Emits a smooth, powerful, white light useful for a wide range of tasks. Princeton Tec uses collimators or reflectors with the Maxbright LED depending upon the application..
  • MULTIPLE BEAM. At close range, the wide beams simulate normal daylight conditions so you can take advantage of your peripheral vision, while focused narrow beams provide distance illumination..
  • REGULATED LED. A sophisticated regulating circuit maintains initial brightness as long as the batteries have sufficient voltage. Constant Brightness is a term used to describe products that have regulated LEDs..
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