Smart Sensor AR814 Digital Sound Level Meter

Smart Sensor AR814 Digital Sound Level Meter

MODEL AR814

Name and Functions:

(1) Electronic Condenser Microphone.
(2) LCD Display.
(3) Power switch.
(4) Level range control switch: 30dB~80dB: 50dB~100dB; 80dB~130dB; 60dB~110dB:
(5) Maximum value hold switch. (MAX)
(6) Frequency weighting select switch.
A: A weighting for general sound level Measurements.
C: C- weighting for checking the low frequency content of noise.
(7) Time weighting select switch. Fast: For normal measurements.
Slow: For checking average level of fluctuating noise.
(8) AC output terminal: 0.707 Vrms Corresponding to each range step.
(9) DC output terminal: output 10 mV/ dB.
(10) Calibration control.
(11) External DC 9V power supply terminal.
(12) Battery Door.
(13) Tripod mounting screw.
(14) Windscreen.

Specifications

Measuring Range	30 – 130 dBA 35 – 130 gBC
Accuracy	±1.5 dB
Frequency Range	31.5 Hz – 8.5 KHz
Linearity Range	50 dB
AC/DC Output	V
Low Battery Indication	V
Over Range Indication	V
Digital Resolution	5 digits & 0.1 dB
Time Weighting Selection	Fast / Slow
Microphone	½  inch Electronic Condense Microphone
Frequency Weighting	A, C
Sound Measuring Level Selection	V
Max Hold Function	V
Sampling Frequency	2 time/sec
USB Transmission	-
Calendar	-
Power	9V Battery or DC Adapter
Product Net Weight	178 g
Product Size	207 x 70 x 29 mm
Packing	Gift box
Standard Quantity Per Carton	20
Standard Carton Size	62.5 X45.0 x28.5cm
Standard Carton Gross Weight	14.5 Kg