Best Double Color Level Meter

Fluke 922/Kit Airflow Meter Kit

...ed often, calibration before use will get accurate measurement results, regular use will keep the accuracy of measurement.
[Great for all home and laboratory] TDS & & EC and pH testing applications including drinking water, cooking water, aquariums, swimming pools, hydroponic, etc... Not necessary anymore to compare color strips. It's digital reality..

USEFUL TOOL IN YOUR WORK & LIFE – This sound level meter is a great tool for checking, monitoring or controlling the sound level of any environments. It is widely applicable for personal, families, business, studies, industrial and etc..
WIDE RANGES & ACCURATE MEASUREMENT – It measures range from 30 – 130 dB with frequency range from 31.5 to 4Khz. Highly accurate with +/-1.5dB..
TIME WEIGHTING & FREQUENCY WEIGHTING – FAST(125mS) for time weighting. TYPE A for frequency weighting..
HOLD , MAX & MIN, AUTO POWER OFF, BACKLIT – Including all useful features such as data hold, max recorded reading and min recorded reading as well as auto power off. Backlit feature allows use of this meter in the dark..
GIFT BOX PACKAGE - Black carrying pouch and premium color gift box are come with the meter..

Koso's TNT-04 multifunction meter is perfect for all special projects..
It is equipped with an eight color changeable LCD display and also uses a strong stepper motor that provides a precise and fast RPM reading so that....
Some of the great functions this meter has to offer are: speed, RPM, indicator lights, fuel level, and gear position indicator..
Available in silver or black bezel, this is a great addition to customize your ride..
Kit includes everything needed for installation..

One Triple Power LED and 1 Double Power LED can combine to emit up to 300 lumens.
One Double Power Red LED for night vision has proximity and strobe settings.
Low-profile design uses three Black Diamond AAA Rechargeable Batteries or standard alkaline or lithium batteries.
Programmable Brightness Memory gives you the option to set the light's brightness when first turned on.
Three-level power meter shows remaining battery life for three seconds after switching on headlamp.

Bright SMD 5050 LED Chip, high intensity and reliability. Please note that This color is not a black light!.
Waterproof flexible LED strip (IP65 Waterproof level).
61 SMD LEDs per meter, total 300 LEDs for 5 meters (16.4 ft).
Self-adhesive back with double side adhesive tape.
Every 3-LED cutable without damaging the rest strip.

Calibrates and verifies Sound Level Meter operation.
For use on Sound Level Meters with 0.5″ or 1.0″ microphones.
Measures frequency weighted noise exposure and peak (C, Z) sound level.
Datalog’s up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours.
Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL).
Adjustable Criterion Level, Exchange Rate and Threshold.

[Auto-Ranging Clamp Meter]: The meter measures AC Current to 600 amp, AC and DC Voltage to 600 V, Resistance to 40MΩ and Capacitance to 4MF. Does not measure DC Current..
[True-RMS Amp Meter]: The sensing meter accurately measures distorted waveforms and provides true readings when measuring linear or non-linear loads..
[Advanced Functions]: Auto-off of inactivity after 15 minutes, Data Hold, MAX/MIN Reading, Low Battery Indicator and Continuity Loud Buzzer..
[Two-Color Backlight and Work Light]: Two-color backlit LCD Display - When the voltage 003e 80V, the current 003e 3A, the LCD backlit screen turns orange to warn you, The LCD Backlit Screen and Work Light make it easy to use in a dark working area..
[Suprior Safety and Service]: Standard IEC 61010-1, CAT III 600V. Double insulation. 36 Months product service provided. 7/24 Customer Service..

【ACCURATE AND SENSITIVE SOUND METER】The Protmex SPL meter complies with International Committee IEC651 Type 2 and American National Standard ANSI S1.4 Type2. It has a 0.5s response time, can measure noise level, and quickly display accurate measurement results.Measuring Range 30~130dB.
+/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz..
【MAX/MIN/HOLD FUNCTION DECIBEL METER】The Protmex sound level meter with a data logger can record the current maximum or minimum decibel value.
the decibel reader and recorder can freeze the reading on the display without worrying that the reading is too fast to record..
【DIGITAL LCD DISPLAY & BACKLIGHT FUNCTION 】The Digital Sound Level Meter has a large clear LCD backlight display that can show the measurement clearly. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes..
【WIDELY APPLICATION SOUND DECIBEL METER】The decibel meter can be used in many environments and is also suitable for noise engineering, product quality control, health prevention, and treatment, etc. This audio noise measurement equipment is an excellent tool to check, monitor or control and test any environmental sound level. Widely applicable to individuals, famili....

...fferent humidity requirements, it is important not to over-water the soil or let is get too dry..
✅ 【Extreme Accuracy】 Because it uses a mechanical device based on conductivity difference, this plant moisture meter indoor is very accurate and precise. The moisture meter for houseplants comes in a superb golden color that will look incredible in your garden..