These meters are designed for noise project; quality control; illness prevention and cure and all kinds of environmental sounds measurement. It is applied to the sounds measurement at factory; school; office; traffic access and household, etc.
Standard applied: | IEC61672 -1 CLASS2 |
Accuracy: | ±1.4dB |
Frequency range: | 31.5HZ ~ 8KHZ |
Dynamic range: | 50dB |
Memory: | 32700 |
Level ranges: | 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 electric condenser microphone |
Display: | 4 digits LCD display with a resolution of 0.1dB |
Display Update: | 2 times/sec. |
MAX / MIN / DATA HOLD | |
Alarm function: | “OVER”is when input is more than upper limit of range. |
“UNDER”is when input is less than lower limitof range. | |
Analog output: | AC/DC outputs from earphone outlet AC=1Vrms ,DC=10mV/dB |
Data output: | USB data traffic |
Auto power off: | Meter automatically shuts down after approx. 15 minutes of inactivity. |
Power supply: | One 9V battery, 006P or NEDA1604 or IEC 6F22. |
Power life: | About 30hours |
Operation temperature and humidity: | 0°C~40°C, 10%RH~90%RH |
Storage temperature and temperature: | -10°C ~+60°C,10%RH~75%RH |
Dimension: | 278 (L) x 76 (W) x 50(H) mm |
Weight | : 350g |