GAOTek offers a full portfolio of environmental instruments, which includes products designed to measure sound, light, gases, water, time and solar energy. Our devices provide affordable environmental test solutions for monitoring and optimizing light levels, checking the moisture content and water damage, and controlling and maintaining water quality, distribution, and waste. Additionally, we offer products designed to ensure the air quality is safe, optimize the placement and performance of solar energy equipment, and other environmental monitoring functions.

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ID: GT00XS00ZO

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ID: GT00Z200US

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ID: GT00Z200UC

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ID: GT00VF00ZT

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ID: GT00VF00ZZ

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ID: GT00VF00ZU

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ID: GT00Z200XB

This portable ‘Four Gas Detector with High Accuracy (Dust-Proof, Data Store)’ detects O2, LEL, CO, H2S and provides safety for staff working under the hazardous environment
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ID: GT00VF00ZN

This 8 mm Color Meter with High Accuracy (Large Data Storage) is designed to analysis the best color and can store 100 standard data and 20000 sample data.
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ID: GAO-ANEMO-101

This Anemometer for Air Velocity, Temperature and Humidity measure is a unique meter which includes calibration of wind speed, temperature, humidity and pressure with wind speed range of0 to 56 mi/hour (0 to 90 km/hour).
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ID: GT00XS00ZR

This Anemometer with Humidity (Air Speed, Plastic Impeller) is designed to measure air speed and temperature and has the airspeed plastic impeller sensor with 30 mm diameter.
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ID: GT00XS00ZM

This Anemometer with Temperature (Humidity, Air Speed & flow) is designed to measure temperature, air speed and the air flow in the range from 0 to 99,999 CFM.
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ID: GT00XS00ZE

This portable Anemometer with Wind-chill Indication (Beaufort Scale) measures wind chill and wind-speed and it displays temperature, air velocity and relative humidity on a small LCD screen.
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ID: GT00VF00ZQ

This Colorimeter with 3 Switchable Calibers (Photodiode Array) 0.15 in (4 mm)/0.31 in (8 mm)/1.57 in (40 mm) is designed to meet different surface measurement demands.
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ID: GT00XN00ZQ

This ‘Coolant Refractometer (High Accuracy, Alarm Function)’ is a digital refractometer which accurately measures the freezing point of substances such as propylene/ethylene glycol.
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ID: GT00Z200U3

This Gas Detector with Electrochemical CO (Wide Data Function) is designed to detect the concentration of carbon monoxide gas and can be measured in the range from 0 ppm to 1000 ppm.
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ID: GT00X100ZW

This Humidity Temperature Meter with Real Time (Read-Out Value) is designed to switch between the temperatures and can record the data continuously with storage of 8000 groups of data.
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ID: GT00YT00ZA

This Infrared Thermometer with repeatability(Data Hold Fn) is used for measuring the temperature range of -22 °F~3002 °F(-30 °C~1650 °C) for various hot, hazardous or hard to reach object's surface safely.

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ID: GT00YT00ZE

This Infrared Thermometer with Wide Range (Storage, High Accuracy) is used for measuring the temperature range of -58°F ~ 1652°F(-50°C ~ 900°C) for various hot, hazardous, or hard to reach object's surface, safely and quickly.
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ID: GT00XN00ZU

This portable ‘Refractometer with Alarm (High Precision, Auto Shut Off)’ is designed for clinical applications such as measuring specific gravity of urine, total protein in serum or plasma, and refractive index.
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ID: GT00XN00ZO

This Refractometer with Wide Measuring Range (3 Parameters) is a precise optical device specially designed to determine the water content in honey with three-scale measurement (water, Baume and Brix) which provides direct reading.
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ID: GT00XN00ZP

This Refractometer with Wide Measuring Range (Alarm Function) is an optical refractometer which measures the brix concentration, refractive index or other parameters.
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ID: GT00XN00ZT

This Digital Refractometer with ‘Wide Measuring Range (Auto Shut Off)’ is used to measure specific gravity and refractive index and works within a temperature range of 32 °F to 104 °F .
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ID: GT00XN00ZW

This Refractometer with Wide Measuring Range (High Accuracy) is designed to measure the sugar content of an aqueous solution from 0 % to 95 % Brix.
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ID: GT00XN00ZS

This Salinity Refractometer(High Precision, Auto Shut Off) is used to measure brix concentration, salinity andrefractive index and works within a temperature range of 32°F to 104°F and has an automatic shut off function after3 minutes.
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ID: GT00XR00ZT

This Sound Level Meter with Wide Frequency Range (Accurate, Type 2)  from 31.5 Hz ~ 8.5 KHz  is designed to measure sound pressure level in decibel(dB) which is widely used in sound quality control.
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ID: GT00YV00ZU

This Temperature Calibrator with Task Manager (Troubleshoot) is an ultra-compact device used for sourcing, simulating and measuring temperature and electrical signals with several patented technologies.
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ID: GT00WV00ZY

This Ultraviolet Light Meter with UVA and UVB (LSI-Circuit) is a professional, high quality UV light meter which accurately measures UVA and UVB radiations in the 280 nm to 380 nm range
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ID: GT00XN00ZR

This Wine Refractometer (High Accuracy, Auto Shut Off) is specially designed to measure the sugar contents in wine with four scale parameters Mass SW % (Brix), Probable Alcohol (AP), Oechsle (German) and KMW (Babo).
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ID: GT00Z200UT

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ID: GT00Z200V5

The GAOTek high precision Hydrogen Flouride Gas Detector is the world's smallest portable gas detector which uses a new generation of imported electrochemical toxic gas sensors.
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ID: GT00Z200V2

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ID: GT00XS00ZB

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ID: GT00Z200U1

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ID: GT00X100ZU

This Hygrometer with Temperature (Data Logger, Dual Input) is designed with built-in probe and built-in memory for 16000 data points.
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ID: GT00X100ZV

This Hygrometer with Temperature (Data Logger, Auto Power Off) is designed by built-in memory for 16000 data points and single input channel.
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ID: GT00VV00ZZ

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ID: GT00XP00ZX

This Thermocouple Thermometer with Four Inputs (Data Logger) supports K, J, E and T types thermocouple probes and holds 16,000 records each channel DataLogger.
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ID: GT00XP00ZY

This Thermocouple Thermometer with K/J/E/T Types (Data Logger) is designed by input isolation protection upto 250 V AC and built-in Data Logger function which holds 16,000 records in each channel.
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ID: GT00XX00ZU

This Moisture Analyzer with High Precision (Automatic Peeling) is designed with high resolution lattice LCD backlight and can be used to test the moisture of products with various weighing range.
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ID: GT00XR00ZJ

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ID: GT00VV00ZY

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ID: GT00YT00ZG

This Infrared Thermometer with Image Manager (Wide Measurement) is a real time thermal imager used by fire fighters and with the wide Temperature measurement range from -4 °F~+1112 °F(-20 ℃~+600 ℃).

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ID: GT00YT00ZH2

This Infrared Thermometer with Various Interface (Image Store) is designed to measure the various temperatures using thermal imaging camera with the detector of array size 160×120 and 384× 288 and stores 3 million daylight images
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ID: GT00YT00ZI

This ‘Infrared Thermometer with Image Storage (Lg Power Source)’ is designed to measure the temperature using thermal imaging camera with the detector of array size 160 × 120
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ID: GT00YT00ZJ

This ‘Infrared Thermometer with Drop Resistance (Cost-Effective)’ is designed to measure the various temperatures using thermal imaging camera with the detector of array size 160×120 and 384× 288 and stores 1.3 million pixels CCD images
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ID: GT00XR00ZY

This Sound Level Calibrator with Large Storage (Auto range Selection) can memorize 30 groups of measurement results and designed to measure the noise level of environment, machinery, vehicles, ships etc.
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ID: GT00X900ZZ

This portable Sound Level Calibrator (Sensitivity Calibration) is used for quick and easy sensitivity calibration of sound level meters and can give output level of sound pressure at 94 dB or 114 dB.
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ID: GT00XA00ZZ

This Chilled Mirror Dew Point Instruments (Accurate Measurement) is a multifunctional dew point humidity meter designed to dew point measurement of SF6 gas.
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ID: GT00WG00ZZ

This Radiation Meter with Data Lock (Dual-Mode Measure) is a radiation survey meter that can test electric field radiation and magnetic field emission with the sampling rate of 5 Hz-3500 MHz.
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ID: GT00Z200U2

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ID: GT00XS00ZC

This Anemometer with Telescoping Probe (Data Memory) is designed to measure air velocity, temperature and relative humidity and can holds the data memory as 10 x 99 sets capacity.
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ID: GT00XS00ZD

This Anemometer with Air Velocity (Air Flow Temperature) is designed in the combination of hot wire and standard thermometer and can be used to measure the remote surface temperature upto 537.5 °F (999.5°C).
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ID: GT00WG00ZV

This Light Weight Radiation Meter (X, γ and Hard-β Rays) is designed for radiation pollution detection with the radiation equivalent dose rate (EDR) from 0.01 µSv/h  to 10000 µSv/h.
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ID: GT00WG00ZS

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ID: GT00WG00ZW

This Radiation Meter with Wide Measuring Range (Data Storage) is designed to measure х, γ radiation doses or rate in the range of 0.01 µSv/h ~ 500.00 µSv/h.
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ID: GT00WN00ZG

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ID: GT00WN00ZS

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ID: GT00WN00ZL

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ID: GT00WN00ZR