|
Applicable standards |
IEC Pub 651 Type2 , ANSI
S1.4 Type 2 |
|
Accuracy |
+/- 1.5dB (ref 94dB @1KHz) |
|
Digital display |
4 digital LCD |
|
Measurement Level A weighting |
30dB to 130dB |
|
Measurement Level C weighting |
35dB ~ 130dB |
|
Level Range |
30-80dB, 50-100dB,
60-110dB, 80-130dB |
|
Measurement Frequency range |
31.5 Hz to 8KHz |
|
Frequency Weight |
A and C |
|
Time weight |
Fast and Slow |
|
Microphone |
1/2 inch Electret
condenser microphone |
|
Digital display |
4 digit LCD , 0.1dB
resolution, updated every 0.5s |
|
Quasi-analog bar indicator |
1-dB steps, 50dB display
range, updated every 100ms |
|
Display Warning function
Overrange indicator
Underrange indicator |
Displayed at the upper
limit
Displayed at the lower limit |
|
Analong AC / DC output |
2Vrms ( at full scale ) ,
10mVDC / dB |
|
Power supply |
Four 1.5V LR-6/AA size
alkaline cell, AC adapter |
|
Battery Life |
about 20 hours |
|
Operating temperature , humidity |
5 ~ 40oC , 10 ~ 90% RH |
|
Dimensions |
265 (L)x72(W)x21(H)mm, (
10.4" Lx2.8" Wx0.8" H ) |
|
Weight |
Approx. 310g |
|
Accessories |
Instruction manual ,
Battery , Carrying case ,
Adjustment screwdriver , Wind shield, 3.5f plug |
|
Standard applied |
IEC 651 Type2 |
|
Range |
A LO (Low) - Weighting:
35- 100dB
A HI (High) - Weighting: 65-130dB
C LO (Low) - Weighting: 35- 100dB
C HI (High) - Weighting: 65-130dB |
|
Resolution |
0.1dB |
|
Frequency Range |
31.5Hz to 8KHz |
|
Accuracy |
∮1.5dB |
|
Dynamic Range |
65dB |
|
Frequency Weighting |
AC |
|
Time Weighting |
Slow & Fast |
|
Maximum Hold |
Decay < 1dB/3min |
|
Microphone |
Electret condenser
microphone |
|
Calibration |
Electrical calibration by
using the internal oscillator
(1KHz sine Wave at 94dB) |
|
Auxilitary Output |
AC conditioned, 0.65Vrms
corresponding to
each range step, impedance: 600W
DC conditioned, 10mV/dB (nominally) |
|
Operating Condition |
0oC to 40oC < 80% R. H. |
|
Storage Condition |
-10oC to 60oC < 70% R.H. |
|
Display |
3 1/2 digitals |
|
Power Supply |
one 9V battery |
|
Size |
240mm(L)x68mm(W)x25mm(H) |
|
Weight |
215g |
|
Accessorie |
Instruction Manual, 9V
Battery, Carrying Case,
Screwdriver, Windscreen. |