AO-HT-90A Sound level meter (35 ~ 130dB)




It can measure the sound levels in office spaces, factories, hotels, hospitals, schools, garages, etc.

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Type of Instrument Decibelmeter
The instrument measures: Sound and Noise Level

Useful tool in your work and life - This sound level meter is a great tool to check, monitor or control the sound level of any environment. It is widely applicable for personal, family, business, study, industrial, etc.
Wide ranges and precise measurements: measures between 30 and 130 dB with a frequency range of 31.5 to 8 kHz. High precision with +/- 1.5 dB.
Transparent display with backlit function: It has clear readings and a back light function so you can use it without problems even in the dark.
Hold, Max and Min - including all the useful features like data hold, maximum recorded reading and minimum recorded reading, as well as automatic shutdown.
FITS HAND DESIGN AND LIGHTWEIGHT: This meter is designed as "Fit to hand" and it is really light so you don't feel tired or uncomfortable in your hands even use it for a long time.

Accuracy:±1.5dB (94dB @1KHz;114dB @1KHz)
Response time:0.5S
Freauency range:31.5Hz~8K Hz
Display:3½ digit
Microphone:1/2 inch electret condenser microphone 
Auto power off:16 minutes
Frequency weighting:A
Operation temperature:0~50℃(32~122℉) 
Operation humidity :10~80%RH
Storage temperature :-10~60℃(14~140℉)
Storage humidity :10~75%RH     non-condensing 
Power supply :standard 9V battery ×1 pcs 
Weight:110g(battery not included)

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