Explosion-proof noise meter use place
Product application fields:
1. Article 741 of the Coal Mine Safety Regulations clearly stipulates the need to detect noise decibels to control noise damage and reduce accidents.
2. Mining Group Occupational Disease Prevention Center, Ventilation Department, Coal Supervision Department, Mechanical and Electrical Department, etc.
Product advantages:
1. The industry's first record-keeping noise detector
2. Auto Capture
3. Maximum/minimum/hold
4. The industry's first matching professional tripod can be fixed for measurement
5. The most cost-effective in the industry
Features:
1. LCD display with backlight
2. Maximum and minimum values/data hold
3. Fast/slow time weighting
4. A/C sound level frequency weighting
5. Wide range 130dB
6. Maximum measurement noise, 0.1dB resolution
7. High/medium/low/automatic 4-band measurement
8. Frequency response: 31.5Hz~8kHz
9. Test record data storage
Technical indicators:
Sound level frequency weighting A and C
Time Weighting Fast (Fast) 125 milliseconds; Slow (Slow) 1 second
Resolution 0.1dB
Accuracy 1.4dB
Frequency response 31Hz~8kHz
Display digits 4 digits, value update 2 times/second
Analog bar Fast analog display (20 times/S)
Data storage 50 groups
Microphone 1/2" polarized condenser
Automatic shutdown after 15 minutes of inactivity
Range low frequency 30-80dB intermediate frequency 50-100dB high frequency 80-130dB automatic frequency 30~130dB
Dimensions 210x55x32mm
Weight 230 g (including battery)
