BENETECH GM1356 ເຄື່ອງວັດລະດັບເສຍງ (30 ~ 130 dBA, 35 ~ 130 dBC)

Measuring Range:

30 ~ 130 dBA

35 ~ 130 dBC

Accuracy: ±1.5 dB

Frequency Response: 31.5Hz ~ 8.5KHz

Measuring Levels: 30 ~ 130, 40 ~ 90, 50 ~ 100, 60 ~ 110, 80 ~ 130

Frequency Weighting: A & C

Time Weighting: FAST / SLOW

Sampling Rate: 2 times/second

Microphone: 1/2 inch electret condenser microphone

Output: AC / DC output

Max Hold Function

PWM Output

Scheduler Function

Data Storage: 4700 records

PC Interface: USB

Analysis Software Included

Overload Indicator: OVER / UNDER

Auto Backlight

Low Battery Warning

Auto Power Off

Power Supply: 1.5V AA × 4 batteries or DC 6V 100mA adapter

Dimensions: 256 × 70 × 35 mm

Weight: 308 g (including batteries)