| Standards |
IEC 651.2, ANSI 1.4.2 |
| Paraments Measured |
Lp-Sound Level, Leq-Equivalent Continuous A Sound Level, Lmax-Maximum Sound Level, LN-Percent of All Reading Over Alarm Value Set |
| Resolution |
0.1dB |
| Accuracy |
1dB |
| Frequency Weighting |
‘A’/’C’/’F’*(Flat) |
| Time Weighting |
Fast (125ms)/Slow (1 Second) |
| Microphone |
1/2 Inch Electret Condenser Type |
| Memory |
30 Group with Measuring Conditions |
| Calibration Signal Built in |
94dB at 1k Hz(sinusoidal) |
| Frequency Range |
20Hz to 12Hz ,500 Hz |
| Alarm Value Set |
30dB to 130 dB |
| Alarm Output |
LED Optional Relay Contact (NC) |
| Indicator |
Low Battery Indicator |
| Power Supply |
4 x1.5V AAA Size (UM-4) Battery |
| External DC Power Supply |
6 V, DC,100mA |
| Dimensions |
9.29 in x 2.48 in x 1.02 in (236 mm x 63 mm x 26 mm) |
| Weight |
0.37 lbs. (170 g) |
