Dongguan Zhongli Instrument Technology Co., Ltd.
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IEC61672-1 Electric Bicycles Sound Level Meter for Speed Prompt Sound
Product overview:
It is used to test the speed prompt sound of electric bicycles and the sound pressure level of the horn device.
Compliance with the standard:
In accordance with the standard requirements of GB17761-2018 "Safety Technical Specifications for Electric Bicycles".
Main parameters:
| Applicable standards | IEC61672-1: 2013 Class 2, ANSI S1.4: 1983 Type 2; |
| Measurement parameters | SPL, MaxL; |
| Measurement range | 30dB～130dB; |
| Linear range | 60dB; |
| Frequency measurement range | 31.5 Hz to 8KHz; |
| Frequency weighting | A and C; |
| Time weighting | Fast, slow; |
| Accuracy | ±1.5dB (at reference sound pressure 94dB @1KHz); |
| Microphone | 1/2 inch pre-polarized condenser microphone |
| Measurement gear | 5 gears, each 10-dB interval: 30～90dB, 40～100dB, 50～110dB, 60～120dB, 70～130dB; |
| Digital display | 4-digit LCD, 0.1dB resolution, updated once every second; |
| Analog indication | 1-dB interval, 60dB display range, updated every 1/8 second; |
|
Display warning function |
overload indication is too low indication (over the upper limit of the file position OVER symbol appears + the lower limit of the file position exceeds the UNDER symbol appears); |
| Analog AC / DC output | 2Vrms (full scale value), 10mVDC / dB; |
| Power supply | 4 1.5V LR-6/AA size batteries, AC adapter; |
| Battery life | about 24 hours; |
| Operating temperature and humidity | -10℃ to 50℃, R.H. <90% without condensation; |
| Dimensions | 265 (length) × 72 (width) × 21 (thickness) mm; |
| Weight | about 310g. |
|
Accessories |
Manual, battery, carrying case, adjustment screwdriver, CD-ROM software, windproof ball, USB cable, 3.5ψ plug |
| Optional accessories | Microphone extension cable, AC adapter |