Best Laboratory Illumination Meter

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.

Engineered optic produces a concentrated beam with optimum peripheral illumination.
Durable, anodized machined aluminum construction.
Includes high switch (mounted), low switch, 1 CR123A lithium battery and key kit.
Safe off feature prevents accidental activation.

2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions.
MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced 40,000+ hour battery life.
Integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications.
Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance.
Includes a M1913 Picatinny low mount riser and a co-witness 1.41in riser mount.

...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....

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..

...[ 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.).

...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..

-2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions.
-MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and....
-Integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications.
-Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance.

...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..