MASTECH Auto Range MS6700 Digital Sound Level Meter Decibel Noise Meter 30dB to 130dB With Clock and Calendar Function

MASTECH Auto Range MS6700 Digital Sound Level Meter Decibel Noise Meter 30dB to 130dB With Clock and Calendar Function

Features:
1.The meter has been designed according to the IEC651 Type 2, ANSI S1.4 Type 2.
2.Measurement range is from 30dB to 130dB and automatic ranging.
3.With two equivalent weighted sound pressure levels, A and C.
4.Corresponsive rate select: FAST/SLOW
5.Maximum value locked.
6.Clock and calendar function.
7.AC and DC analog signals output, which can be linked to frequency analyzer or X-Y axis recorder.
8.Background light for working in the night. to save power, the background light shines for 5 seconds, then closes automatically.
9.Secondary plasticizing meter shell.
10.Good circuit designed to save power, the battery can be used for a long time.
 
Specifications:
Accuracy:±1.5dB    
Response frequency: 31.5Hz-8kHz    
Dynamic range: 50dB    
Frequency weighting: A/C    
Time weighting: FAST 125ms, SLOW 1sec    
Microphone:Electret Condenser microphone    
Digital display: 4 digitals, resolution 0.1dB, sampling rate 2 times/s    
Analog bar display: Each analog bar is as 1dB, sampling rate 20 times/s    
Measurement ranges: six ranges: 30-80dB/40-90dB/50-100dB/60-110dB/70-120dB/80-130dB    
Auto-range: Micro-computer can choose the best measurement ranges    
Over range indicator: UNDER(less than range) and OVER (over range )    
AC signal output: 0.707 Vrms at FS (Auto-range mode isn't included), Output impedance: approx.600ohm    
DC signal output: 10mV/dB, Output impedance approx.100ohm    
Power supply: 4*LR03 AM4 1.5V AAA alkaline cells (not included)    
AC adapter: Voltage 9vDC    
                    Voltage ripple <100mVpp    
                    Supply Current >100mADC    
                    Socket pin     Ground    
                    Casing        positive     
                    External Diameter 3.5mm    
Operating temperature: 0 to +40 ° C    
Operating humidity: 10 to 80%RH    
Storage temperature: -10 to +60 ° C    
Storage humidtiy: 10 to 70%RH    
Dimension: 245*80*35mm (L*W*H)    
 
Package includes:
1 * MS6700 Sound Level Meter
1 * Earphone plug
1 * Operation manual
1 * Windscreen