SMART SENSOR AR824 Digital Sound Level Meter Noise Tester Measuring Tool

Features: 1. 100percent brand new and high quality 2. This sound level has instantaneous sound measure function 3. The measurement range is 30 130dB 4. With two equivalent weighted sound pressure levels, A and C 5. Suitable for measuring noise of industrial, environmental and aircraft. Specification: Condition: 100percent Brand New Brand: SMART SENSOR Model: AR824

Material:

ABS Plastic

Digit & Resolution

5 digits & 0.1dB Display: 0.5 secretary

Measuring Range:

30 130dBA 35 135dBC

Accuracy

+ 1.5dB

Frequency range:

31.5Hz to 8.5K Hz

Linearity range:

50dB

Frequency weighting:

A, C

Microphone

1 2 inch Electret Condenser microphone

Standard

According to IEC651 TYPE 2 & ANSIS1.4 TYPE 2

Time Weighting

Fast Slow

Bar graph:

50 dB scale at 1 dB step fro monitoring

current sound pressure level display period: 50mS

Level ranges:

30 80dB; 50 100dB; 60 110 dB; 80 130dB

Over indicate over range:

Under indicate less than lower limit for the range

AC output:

0.707 Vrms at FS output impedance approx 600 Ohm

DC output:

10mV dB output impedance approx 100 Ohm

Max: Maximum hold Auto Power Off

Yes

External power supply

Yes

Level Range Bar Graph

Yes

Range Selection

4 modes

Range Over Indication Battery Indication

Yes

Backlight Display Max & Min Hold Function

Yes

Sampling Frequency

2 times sec

Self calibration time:

10 secs(every turn on)

Operating condition

Temperature :0 40 celsius ; Humidity: 10percent to 80percent RH

Storage Condition

Temperature: 10 to 60 celsius ; Humidity: 10percent to 70percent RH

Power

4 * AA1.5 alkaline cells ( battery not include) Weight: Approx. 617g 21.8oz Size:Approx. 224 * 66 * 33mm 8.8 * 2.6 * 1.3in Package List: 1 x Sound Level Meter 1 x DC Cable 1 x User Manual .