| 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)⊙72(W)⊙21(H)mm, ( 10.4" L⊙2.8" W⊙0.8" 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. |
ISO9001:2000 Copyright
