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Máy đo độ ồn Ega Master 51263

MÁY ĐO ĐỘ ỒN

SOUND METER Ega Master 51263

Display: 3 1/2 digits, 1999 maximum Overloading:

Under range displays UNDER Over range displays OVER Battery Deficiency:

Drop Test: 1 meter pass Battery: 4 x 1.5V batteries (AA)

Battery Life: Typical 20 hours continuous Dimension: 273 x 69 x 39mm Weight: around 386 g (including batteries)

For indoor use only.

Altitude: 2000m Temperature and humidity:

Operating:

0°C ~30°C (<80%R.H)

30°C ~40°C (<75%R.H)

40°C ~50°C (<45%R.H)

Storage:

-20°C ~ +60°C (<80%R.H)

Safety/ Compliances:

EN61326:1997 + A1:1998 + A2:2001 +A3:2003, EN61672-1: 2002 Class 2 and IEC60641:1979 Type 2, ANSI S1.4:1983 Type 2 Certification: C€

Accuracy:±(a% reading + b digits).guarantee for 1 year. Operating temperature: 23°C±5°C .

Relative humidity:<80%.

Temperature coefficient: 0.1 x (specified accuracy) / 1°C

DECIBEL DB
Function	Range	Resolution	Accuracy	Remarks
A-Weighting and C-Weighting	30~80dB 50~100dB 60~110dB 80~130dB	0.1dB	±1.5dB	Frequency Response 31.5~8kHz
Sampling Rate	FAST			Sampling Time: 125 microsecond
Sampling Rate	SLOW			Sampling Time: 1 second
Analogue Bar Graph	30~130dB	1dB		1 dB per scale, Sampling time: 200 times per second

Overloading		Over range display: OVER Under range display: UNDER
DC analogue signal output	Output impedance around 1000, 10mV/dB	Has input terminal
	Output impedance around 6000, 0.707V/ each scale	Has input terminal
Power (HOLD)		Turn on and off the Meter and data holding
LEVEL (AUTO)		Selecting auto and manual ranging
A/C (RECALL/ CLR)	A-Weighting and C-Weighting selection	RECALL/CLR. Press to recall and clear data
FAST/SLOW (STORE/BL)	Selection of fast or slow sampling rate and turn on and off of display backlight	Press to store data