Model : AR-814
Features
- AC/DC Output
- Auto Power Shut Off
- Low Battery Display
- Over Range Indication
- Sound Measuring Level Selection
- Max Hold Function
- Designed to meet the measurement of Safety Engineer, Health,
Industrial Safety Officer and Sound Quality Control in various
environment
- AC DC Signed output for frekwency analyzer level recorder, FFT
analyzer, graphic recorder, etc
Measuring Range : 30~130dB A : 35~130dB C Level Range Control Switch : 30dB to 80dB
: 50dB to 100dB
: 60dB to 110dB
: 80dB to 130dB
- Frequency Range : 31.5HZ-8.5KHZ
- Linearity Range : 50dB
- Digit & Resolution : 5Digits & 0.1dB
- Bar Graph : 50dB scale at 1dB step monitoring
- Time Weighting Selection : Fast for normal measurement
- Slow for checking AVERAGE level of fluctuating noise
- Frequency Weighting : A
weighting for general sound level measurement C
weighting for checking low frequency content of noise
- Microphone : 1/2 Inch Electret Condenser Microphone
- Sampling Frequency : 2 times/sec
มิเตอร์วัดความดังของเสียงและเสียงสะท้อน
ระบบดิจิตอล
มาตรฐาน
IEC651, Type 2, ANSI S1.4 Type 2, CE and
ISO 9001
Specifications
Range
:
Accuracy :
Resolution: Frequency Range : Frequency Weighting :
Time Weighting :
Operation Temp :
Storage Temp :
Dimensions :
Battery :
Weight :
30-130 dBA,
35-130 dBC ±1.5 dB
0.1 dB 31.5 Hz to 8.5 KHz
A,C
Fast and Slow
0 - 40 °C
-10 to 60 °C
207x 70 x
29 mm ( L x W x H) 1 x 9V battery
178g