Портативный цифровой аудио децибеллометр Protmex PT622A для измерения уровня шума.

Портативный цифровой аудио децибеллометр Protmex PT622A для измерения уровня шума.

Protmex Decibel Meter/Sound Level Reader, Portable Digital Sound Level Meter Reader, Measurement Range 30-130 dBA, Accuracy 1.5dB

Sound level meter is used to measure the sound level of the environment: such as factories, workshops, schools, residential buildings, office areas, traffic roads, audio and other occasions of the sound level. It is also suitable for noise engineering, product quality control, health prevention and control, etc.

The Protmex Noise Meter With the backlight feature, it is appropriate for gathering the sound data at night. To save power, backlight auto power off function is provided.

The Decibel meter utilizes a electric condenser microphone to monitor sound levels from 30 to 130 decibels at an accuracy of +/-1.5 dB with a 0.1 dB resolution. A and C weighting network selection.
Maximum (MAX) locking function; Digital display, good anti-interference performance, power saving
The Protmex sound meter weighs less than 7 ounces, and is designed to fit comfortably in the palm of your hand.

Specification

Display: LCD display
Range: 30—130dBA
Frequency: 30Hz — 8KHz
Resolution: 0.1dB
Accuracy: ±1.5dB (94dB＠1KHz) ±5dB (94dB＠8KHz)
Frequency: weighting A weighting
Time weighting: FAST：125ms, SLOW：1sec
Microphone: Electret condenser
Operating conditions: 0～40°C，<80%RH
Storage conditions: -10～50°C，<80%RH
Auto power off: 10 minutes
Power: 3 x 1.5VAAA(LR03) batteries

Functions

Sound level measure
FAST/SLOW Time Weighting
Data hold
Auto/Manual range
MAX/MIN function
Units of measure
Meter Power and Automatic Power Off