China Digital Sound Level Meter, Sound Level Device Noise Measurement Instruments, Noise Dosimeters SL-5868p, Find details about China Sound Level Meter, Level Meter from Digital Sound Level Meter, Sound Level Device Noise Measurement Instruments, Noise Dosimeters SL-5868p
Standards | IEC 651.2, ANSI 1.4.2 | |
Parameters Measured | Lp - Sound Level | |
Leq - Equivalent Continuous A Sound Level | ||
Lmax - Maximum Sound Level | ||
LN - Percent of All Readings Over Alarm Value Set | ||
Measurement Range | Lp | 30 ~ 130 dB ( A Weighting ) |
35 ~ 130 dB ( C Weighting ) | ||
40 ~ 130 dB ( F Weighting ) | ||
Leq | 30 ~ 130 dB( 10 Seconds, 1 Min, 5 Min, 10 Min, 15 Min, 30 Min, 1 Hour, 8 Hours, 24 Hours ) | |
LN | 0 ~ 100 % | |
Resolution | 0.1 dB | |
Accuracy | 1 dB | |
Frequency Weighting | "A" / "C" / "F"(Flat) | |
Time Weighting | Fast (125 ms) / Slow (1 Second) | |
Microphone | 1/2 Inch Electrets Condenser Type | |
Memory | Maximum Value ( 30 Groups) | |
Built in Calibration Signal | 94 dB at 1k Hz (sinusoidal) | |
Frequency Range | 20 ~ 12,500 Hz | |
Alarm Value Set | 30 ~ 130 dB | |
Alarm Output | LED Optional Relay Contact (NC) | |
Indicator | Low Battery Indicator | |
Power Supply | 4 x 1.5v AAA size (UM-4) Battery | |
External DC Power Supply | 6 V,DC,100 mA | |
Dimensions | 236 × 63 × 26 mm | |
Weight | 170 g |