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Redmark Industry Sdn Bhd
141-2, Jalan Radin Bagus, Bandar Baru Sri Petaling, 57000 Kuala Lumpur, Malaysia.
+603-9054 6939
+6012-499 2103
+6012-499 2103
Redmark Industry (Penang)
Sdn Bhd
7206, Mez Floor, Kompleks Perniagaan Pangsapuri Seri Cemerlang, Jalan Kampung Paya, Kampung Paya, 12200 Butterworth, Penang, Malaysia.
+6013-399 2103
sales@redmarkindustry.comchuin@redmarkindustry.com
Digital Sound Level Meter GM1358
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Digital Sound Level Meter GM1358
This equipment has been designed to meet the measurement requirement of Safety Engineers, Health, Indu-strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic,
family, and audio system.
Features
Digital Sound Level Meter possesses the following features:
1. It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2
2. Accuracy up to ±1.5 dB
3.Measurement range: 30~130 dB
4. Weight A or weight C selection
5. Fast & Slow dynamic characteristic modes.
6. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
7.Auto power off
Specifications
| Measuring range | 30~130dBA¡¢35~130dBC |
| Accuracy | ± 1.5 dB (under reference conditions) |
| Frequency range | 31.5Hz~8KHz |
| Level range | 30~80,50~100,60~110,80~130, 30~130dB |
| Frequency weighting | A / C |
| Digital Display | 4digits |
| Resolution | 0.1dB |
| Sample rate | 2 times/second |
| Bar graph |
Display for 0~30dB: one scale unit denotes 2 dB Forother levels: one scale unit denotes 1 dB |
| Over indication | OVER / UNDER |
| AC output |
0.707Vrms at FS output impedance approx. 600 ohm |
| DC output | 10mV/dB, output impendance approx. 100ohm |
| Time weight | FAST / SLOW |
| Microphone | 1/2 inch electret condenser microphone |
| Max | MAX |
| Power supply | 9V battery |
| Power life | About 30 hours (alkaline battery) |
| Self calibration time | 3s |
| Operating condition | 0~40¡æ£¬10~80%RH |
| Storage condition | -10~60¡æ£¬10~70%RH |
| Weight | 230g (including battery) |
| Dimension | 207*70*29mm |
Accessories
Color box*1
Host*1
Instructions*1
PP box*1
Audio Line*1
CD*1
USB*1