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 factory, school, construction, etc.
| Applied standard | IEC61672-1 CLASS2 |
| Accuracy | ±1.4dB |
| Frequency range | 31.5Hz~8kHz |
| Dynamic range | 50dB |
| Measuring level 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 with a resolution of 0.1dB |
| Sampling time | 2 times/sec |
| Max Hold | MAX |
| Min Hold | MIN |
| HOLD: | Hold the readings |
| Alarm function | “OVER”is when input is more than upper limit of range. |
| “UNDER”is when input is less than lower limit of range. | |
| Analog output | AC/DC outputs from earphone outlet |
| AC=1Vrms ，DC=10mV/dB | |
| Auto power off | Meter automatically shuts down after approx. 15 minutes inactivity. |
| Power supply | One 9V battery, 006P or IEC 6F22 or NEDA 1604. |
| Battery life | at least 30 hours |
| Operating conditions | -20℃～60℃; 10％RH～90％RH |
| Storage conditions | -20℃～60℃; 10％RH～75％RH |
| (L*W*H) | 252*66 *33 mm |
| Weight: | 262g |
2.Accessories
User’s manual
Windscreen
Regulatorrod
9V battery
3.5 earphone plug
Tripod(Optional)
