FEATURES :
- This unit was designed according to the IEC651 T-ype2 & ANSI
S1.4 Type2 for sound
Level Meters.
- Instantaneous sound measure function
- Measurement range : 30 - 130 decibel
- With two equivalent weighted sound pressure levels A & C
- Fast & Slow dynamic characteristic modes
- AC and DC signed output for frequency analyzer level recorder
FFTanalyzer, graphic
recorder etc.
General Specifications :
- Two types of
weighting A and C
- Range:30dB -
130 dB (A)
- Resolution
:0.1dB
- Accuracy
:±1.5dB (94dB at 1Khz)
- Frequency
response: 31.5Hz - 8.5 K Hz
- Display: 5
Digits
- Amplifier
response :20Hz - 8KHz,±0.5dB
- Sampling time:2
to 5 time per second
- Self-test time:
10 seconds
- Measure range:
30 - 130 dB
- Fast and slow
dynamic mode
- Over load
indication, under-load indication.
- Dimensions:
265(L)X72(W)X35(H) mm
เครื่องวัดเสียง วัดความดังของเสียงและเสียงสะท้อน
ระบบดิจิตอล ช่วงวัด 30-130
dB เลือกได้
เป็น 4 ช่วงวัด
|
Specifications |
|
Range
:
Accuracy :
Resolution:
Frequency Range :
Frequency Weighting :
Time Weighting :
Dimensions. Overall :
Battery :
Weight :
|
30
- 80 dB, 50 - 100dB, 60 - 110dB, 80 - 130 dB
±1.5 dB
0.1 dB
31.5 Hz to 8 KHz
A,C
Fast and Slow
265x 72 x
35 mm ( L x W x H)
4 x AA battery
300g
|
|