8
Drop Test: 1 meter pass
Battery: 4 x 1.5V batteries (AA)
Battery Life: Typical 20 hours continuous
Dimension: 273 x 69 x 39mm
Weight: around 386 g (including batteries)
B. Environmental Requirements
For indoor use only.
Altitude: 2000m
Temperature and humidity:
Operating:
0ºC ~30ºC (≤80%R.H)
30ºC ~40ºC (≤75%R.H)
40ºC ~50ºC (≤45%R.H)
Storage:
-20ºC ~ +60ºC (≤80%R.H)
Safety/ Compliances:
EN61326:1997+A1:1998+A2:2001+A3:2003,
EN61672-1: 2002 Class 2 and IEC60641:1979 Type 2,
ANSI S1.4:1983 Type 2
Certification:
ACCURACY SPECIFICATIONS
Accuracy:±(a% r b digits).guarantee for 1 year.
Operating temperature: 23ºC±5ºC .
Relative humidity:≤80%.
Temperature coefficient: 0.1 x (specified accuracy) / 1ºC
DECIBEL dB
Function
Range
Resolution
Accuracy
Remarks
A-Weighting and
C-Weighting
30~80dB
0.1dB
±1.5dB
Frequency
Response
31.5~8kHz
50~100dB
60~110dB
80~130dB
Sampling Rate
FAST
Sampling Time:
125 microsecond
SLOW
Sampling Time: 1
second
Analogue Bar
Graph
30~130dB
1dB
1 dB per scale,
Sampling time:
200 times per
second
