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Redmark Industry Sdn Bhd
141-2, Jalan Radin Bagus, Bandar Baru Sri Petaling, 57000 Kuala Lumpur, Malaysia.
+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.
chuin@redmarkindustry.com
Sound Level Meter GM1356
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This unit has been designed to meet the measurement requirement of noise engineers, noise quality control and
health prevention in various environments, such as noise measurement in factory, office, traffic road, family
and all other noise measurement applications.
Features
Sound Level Meter possesses the following features:
1.This unit was designed according to following standards:
a. International electrician committee standard: IEC PUB 651 TYPE2
b. US national standard: ANSI S1.4 TYPE2
2.Accuracy up to +/-1.5dB
3.Measurement range is 30 to 130dB
4.Fast/Slow Time weigting selection
5.Automatic backlight
6.The maximum value holding function
7.Auto power off 10 minutes
8.A/C Frequency weighting selection
9.Both AC and PWM signal output are available
10.Calendar function
11.4700 data record function
12.Connect with the PC through USB, provides data record downloading,
real-time data sampling analysis, and printing graph&data functions.
Specifications
| Calibration sound source | 94dB@1KHz |
| Measurement range | 30~130dBA¡¢35~130dBC |
| Accuracy |
±1.5dB£¨reference sound pressure standard£¬94dB@1KHz£© |
| Frequency response | 31.5Hz~8.5KHz |
| Resolution | 0.1dB |
| Measuring level |
30 to 80 , 50 to 100, 60 to 110, 80 to 130, 30 to 130 |
| Dynamic range | 50dB/100dB |
| Overload indication | OVER / UNDER |
| Frequency weighting characteristic | A and C |
| Digital display | 4 digits |
| Analogy bar graph | 1dB/1 bar graph |
| Sampling rate | FAST:8times/second;SLOW:2times/second |
| AC signal output |
4Vrms/ full bar graph, output impedance is about 600 ohm |
| PWM signal output | Duty cycle =0.01X db value/3.3 x 100% |
| Dyna mic cha racteristic | FAST(high speed)/SLOW(low speed) |
| Calendar accuracy | ±30seconds/day |
| Data stor age quantity | 4700 |
| The m aximum value holding | MAX |
| Auto power off | 10 minutes without operation |
| Micro phone | 1/2inch polarization capacitance microphone |
| Power supply | 6V (4PCS 1.5V Alkline battery) |
| Dimension | 70x35x256mm |
| Weight | 244G (Without battery) |
| Battery life | 20h continuous use(Alkaline batteries) |
Accesories
Color box*1
Host*1
Instructions*1
PP box*1
Audio Line*1
CD*1
USB*1