Digital sound level meter CHE-SD1 1 piece

A compact, highly portable digital sound level meter with temperature measurement function. This is an easy-to-operate digital sound level meter. It can be used indoors, such as in offices, libraries, and gymnasiums, as well as outdoors, such as on roads and grounds. It has a hold function that allows you to fix the measured value on the display. It has a backlight function that makes the display easy to see even in dark places. Comes with a microphone cover to prevent wind noise. When measuring noise, you can also check the temperature. It has an auto power off function that automatically turns off the power when not in use for a long period of time, so you will never forget to turn it off. When the battery is low, a battery icon will be displayed to notify you to replace the battery. Applicable standards: IEC61672-1 CLASS2 Measurement range: Noise/35dB to 135dB, Frequency/31.5Hz to 8KHz Temperature/-20℃ to 60℃ Measurement accuracy: Noise/±2.0dB Temperature/±1.5℃ Resolution: Temperature/0.1 Dynamic range: 50dB Dynamic characteristics (frequency weighting time): FAST (specific number 125 ms), SLOW (time constant 1 s) Microphone: 1/2 inch electret condenser microphone (High/Low readout display) Data update: 0.3s Operating conditions: -20℃~60℃, 10%RH~90%RH Storage conditions: -20℃~60℃, 10%RH~75%RH Battery life: 60 hours Power supply: 3 AAA batteries Size and weight: W56×D30.5×H144mm, 73g Functions: High accuracy, fast response, backlit color LCD display, temperature measurement, maximum and minimum data recording, wide measurement frequency range, dynamic frequency compensation (time weighting: Fast/Slow), overrange display, automatic power off function