Professional Sound Level: it is used to measure the sound level of the environment, with fast/slow time weighted switchable for various sound measurement requirement.
2.2-inch LCD Display with White Backlit: large screen to display the sound level, temperature(℃/℉) and humidity, with manual backlight on/off function.
Electret Condenser Microphone: built-in high performance sensor, designed with a windproof sponge to reduce the interference of wind to ensure the measurement accuracy.
More Features: MAX/MIN function to display the maximum and minium values, data hold function, and automatic power off function.
Compact & Lightweight: easy to operate with single, portable to carry around.
Features: Professional Sound Level: it is used to measure the sound level of the environment, with fast/slow time weighted switchable for various sound measurement requirement. 2.2-inch LCD Display with White Backlit: large screen to display the sound level, temperature(℃/℉) and humidity, with manual backlight on/off function. Electret Condenser Microphone: built-in high performance sensor, designed with a windproof sponge to reduce the interference of wind to ensure the measurement accuracy. More Features: MAX/MIN function to display the maximum and minium values, data hold function, and automatic power off function. Compact & Lightweight: easy to operate with single, portable to carry around. Wide Applications: it can be used in factory, workshop, school, office, traffic road, and other places that required sound level test. Specifications: Sound Level Measurement Range: 30~130dBA Sound Level Measurement Frequency: 30Hz~8kHz Dynamic Range: 50dB Accuracy: ±1.5dB(94dB@1kHz), ±5dB(94dB@8kHz) Frequency Weighting: A weighting Time Weighting: Fast: 125ms; Slow: 1sec Microphone: Electret condenser Temperature Range: -20~60℃(-4~140℉) Temperature Accuracy: 0~45℃(32~113℉): ±1℃/2℉; Others: ±1.5℃/3℉ Humidity Range: 0~99%RH Humidity Accuracy: 20~80%: ±5RH; others: ±6RH Operating Environment: 0~50℃, <80%RH Altitude: <2000m Storage Environment: -10~50℃, <80%RH Material: ABS Auto Power-off: 10 minutes Power Supply: 3 * 1.5V AAA battery (NOT included) Item Size: 143 * 58 * 26mm / 5.63 * 2.28 * 1.02in  Item Weight: 115g / 4.07oz Package Weight: 188g / 6.63oz Package Size: 18.3 * 9 * 5.5cm / 7.20 * 3.54 * 2.17in Package List: 1 * Sound Level Meter 1 * Pouch 1 * Manual (English)