1.General Description
This Sound Level Meter is designed to meet the measurement requirements of safety engineers, health, industrial safety offices and sound quality control in various environments like construction, factories, schools, offices, traffic access, household, stereos, etc.
2.Accessories
◆ User’s manual
◆ Type-C cable
◆ Wind muffler
◆ Screw driver
◆ 3*AA 1.5V LR6 battery (optional)
◆ Carry Pouch
| Applied standard | IEC61672-1 CLASS2 |
| Measuring range | 30dB～130dB |
| Accuracy | ±2.0dB |
| Frequency range | 31.5Hz～8kHz |
| Dynamic range | 50dB |
| Selectable range | Lo：30dB～80dB Med：50dB～100dB |
| Hi：80dB～130dB Auto：30dB～130dB | |
| Frequency weighting | A & C |
| Time weighting: | FAST 125ms:SLOW ( 1s ) |
| Microphone | 1/2 inch electret condenser microphone |
| Display | 4digits LCD display |
| Resolution | 0.1 |
| Sampling time | 2 times/sec |
| Visual indication | 3 color LED for sound level indication |
| Buzzer alarm | Preset off mode, user can turn it on, 5 seconds alarm, 1 minute stop circlely |
| Temp. Range | -20℃ ～ 60℃/-4℉～140℉ |
| Resolution | 0.1 |
| Accuracy | ±1.0℃/1.8℉ |
| Over-range Indication | Display “LO” under range and “HI” over range |
| Humidity Range | 20～100%RH |
| Resolution | 1 |
| Accuracy | 35～75%RH:±5%RH，others:±7%RH |
| Auto power off | auto power off approx. 15 minutes inactivity |
| Power supply | 3×AA 1.5V LR6 battery, or Type-C |
| Battery life | About 30 hours |
| Operating environment | -20～60℃/-4～140℉，10％RH～90％RH |
| Storage environment | -20～60℃/-4～140℉，10％RH～75％RH |
| Size | 235×68×30mm |
