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
| 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 | |
| Data recording: | Meter memory： |
| 262100 readings □ | |
| 131000 readings □ | |
| 65500 readings □ | |
| PC monitors and records in real-time, each 15,000 readings will be saved one time automatically. | |
| 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 |
| Dimension | 252*66 *33 mm |
| Weight | 262g |
2.Accessories
◆ User’s manual
◆ Windscreen
◆ Regulator rod
◆ 9V battery
◆ Φ3.5 earphone plug
◆ Software
◆ USB cable
◆ Adaptor
◆ Tripod (optional)
