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 |
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