Best Backlight Meter

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

...ter 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 absolute confidence of our water test meter..

Check Stock

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

... 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.).
✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation, just turn it on and put tds meter into water, you can get stable and accurate data in seconds. Besides, there is a reference chart at the back of this test meter for tds figure explanation..
✔[ YOUR PURCHASE IS WELL-PROTECTED ] Hofun water hardness test meter is manufactured under extra high standards and of super good quality. Thus we have absolute confidence of our water test meter and will always stand by our products..

Check Stock

Cadrim Decibel Meter - Digital Sound Level Meter, Self-Calibration Decibel Reader, Noise Meter with LCD Display Measurement Range 40-130 dB spl Meter (Battery Included)…

...5s response time, no contact. Can measure noise level under any circumstances, quickly display accurate measurement result.Measuring Range 40~130dBA.
+/-3.5dB Accuracy with 0.1dB Resolution.Frequency range from 31.5 to 4Khz.(When the range is exceeded, this decible meter will display "OL".).
【Digital LCD Display& Backlight Function 】The Digital Sound Level Meter has a large clear LCD backlight display that can show the measurement clearly. Long press "Hold" to turn on the backlight to get the easy reading during the night and reduce the damage to the eyes..
【Auto Power-off Function 】When the decibel reader is not used, it will automatically turn off after 15 minutes to save battery life. (With a 1x 9v battery, a single 9v battery can last for 30 hours.).
【Convenient and Lightweight 】Cadrim sound pressure level (SPL) meter is lightweight and easy to carry. With a mounting hole for the tripod，which can be placed on the stand and is easier to measure when your hands are busy. It's widely used in factories, transportation, car, baby room and audio system offices, sound quality control in homes, schools,s, and construction sites..

Check Stock

East Tester Desktop LCR Meter inductance Tester 10~100KHz Continuously Adjustable; 1Hz Step; Support SCPI; (4510, Grey, 3)

Lcr meter benchtop Testing frequency 100khz.
Capacitance meter capacitor tester Basic accuracy:0.1%.
Capacitance clamp meter Interfaces: standard: RS232.
Inductance meter tester Support dc resistance (DCR).
Inductance meter benchelectrolytic capacitor measurement model,Adjustment of backlight brightness, Chinese and English are optional.

Check Stock

Signal Finder, Mini Finder Digital Aerial Terrestrial TV Antenna Signal Strength Meter Detector Receiver for Remote Satellite Antennas, 4.92 x 2.52 x 1.38inch

High Sensitivity: This is a great professional digital TV signal finder with excellent sensitivity..
Backlight Function: The signal finder meter is With backlight function, you can use this digital finder at night..
Main Function: This tv antenna signal strength meter creates a digital TV Era for you to enjoy a happy life..
Modern Appearance: This tv aerial signal strength meter is elegant exterior and convenient to carry..
Wide Application: This Signal Finder is great for remote satellite antennas..

Check Stock

VU Meter 2x Panel VU Meter Warm Back Light Recording & Audio Level Amp with Driver Board

L/GND/R: This driver board with low level signal input terminals for connections are CD players, computer sound cards, the first stage, and other audio signal source device, wiring L, GND, RW respectively: Left, the right channel.
Power Consumption:Input AC / DC 12V-15V power supply for the drive plate. (Recommended independent power transformer, or a separate power supply for the winding. the backlight current is 45 mA when drive plate off work.
2 Resistor:R1 and R2 are two adjustable resistors of driver board,which can control the size of the hands swing..
Rectifier RegulatorThe backlight DC12V power meter is used for rectifier regulator of the backlight driver board Please notice that the positive and negative head interface..
Package Content:2 x VU Panel Meter+1 x Driver Module+1 x Cable.

Check Stock

5 in 1 PH Meter, TDS/EC/Salinity/Temp/PH Meter for Water, Digital PH Tester 0.01 High Accuracy Water Testing Kits for Drinking Water, Pools, Fish Tank, and Hydroponics, PH Pen Hydroponics Supplies

Reliable ] : ±0.01 pH accuracy, 3-point calibration and 0-14 measure range of the digital ph meter sure you get a accurate testing result. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response..
[ Pocket Size & Backlight LCD Design ] : Everyone could use this pocket size small but powerful Pen Tester, device to measure your aquarium, pool, fish tank and pond in a garden. And pH meter features a green Backlight LCD to help you see the measurement clearly in any situation..

Check Stock

Digital Sound Level Meter,Sound Meter for Classroom Home Street,30-130dBA dB Meter to Measure Noise,Noise Decibel Reader,Audio Sound Tester,Sound Testing equipmetent,Sound Measurement Device

【Result Hold】The measurement result (HOLD) function.
Press the HOLD key to hold the measured sound level value.
【Sound level OVER or UNDER indicates】If the display displays “UNDER” or “OVER” characters, the sound level is lower than 30dB or higher than 130dB..
【LCD with backlight】After power-on, the backlight will automatically light up and turn off after 30 seconds. Press the backlight button to turn on the backlight..
【Automatic SHUTDOWN】3 minutes after the stop button, the meter will automatically shut down to save power..
【Low power indicator】 When the battery voltage decreases to a certain extent, the battery symbol in the upper right corner of the display will light up. In this case, the battery should be replaced..

Check Stock

TDS Meter Digital Water Tester,WoEluone 3 in 1 TDS,Temperature and EC Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums,RO System and More

☑️ 【 Upgrade LCD BACKLIGHT】Our water meter equipped with low-power backlight technology to test water at night or in dark places easily. It can also be used to distinguish between drinking water and non-drinking water. Red backlight(ppm003e40) means this is non-drinking water..
☑️ 【 ACCURATE AND WIDE MEASUREMENT RANGE】: The advanced 3 in1 (TDS, EC, Temperature) conductivity pen equipped with premium quality titanium alloy probe to achieve high accuracy, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures. Testing range from 0-9990 ppm, the resolution is in increments of 1ppm,indicated by a blinking 'x10' image..
☑️ 【TEST YOUR WATER PURITY】: With our slim and lightweight conductivity meters pen can test how pure is your water? Just stick it in about 1 inch deep of water, then TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)..
☑️ 【 EASY TO USE AND HANDY】: Just stick the TDS meter tester into the water of 1 inch deep, then stabilized readings will be auto-locked on LCD backlight screen in seconds, TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Featur....

Check Stock