Product Description

AS-156B Professional Sound Level Meter Monitoring Indicator Noise meter 30~130dB

 

Product Description

 

The Sound Level Meter (AS-156B Accuracy : ±1dB ). Can memorize 30 groups of measurement results and measuring conditions. Permits choice “A” / “C” / “F” weighting and “Fast” / “Slow” response times. Offers 4 measurement parameters: Lp ( soundlevel). Leq (Equivalent Continuous A Sound Level). Lmax (Maximum Sound Level) and LN (Percent of all readings over alarm value set).

 

Product Feature

 

* DC output :1 0 m V / d B.

* Auto range selection and digital display with no guessing errors.

* Can memorize 30 groups of measurement results and measuring conditions.

* Permits choice “A”, “C” , “F” weighting and “Fast” / “Slow” response times.

* Offers 4 measurement parameters: Lp (sound level); Leq (Equivalent Continuous A Sound Level ); Lmax ( Maximum Sound

Level) and LN (Percent of all readings over alarm value set ).

* Use USB data output with connection PC.

* Provide Bluetooth data outputchoice.

 

Product Parameters

 

Resolution	0.1dB
Accuracy
	AS-156B: ± 1dB
Measurable Parameters	Lp   (sound level)
	Leq (Equivalent Continuous A Sound Level)
	Lmax (Maximum Sound Level)
	LN  (Percent of all readings over alarm value set)
Measuring Range	Lp:   30~130dB
	Leq: 35~130dB
	LN:   0~100%
Frequency Weighting	“A” / “C” / “F” (Flat)
Time Weighting	“Fast”  ( 125ms ) / “Slow” ( 1 second )
Microphone	1/2 inch electret condenser type
Memory	Store 30 group measurement conditions and data
Built In Calibration Signal	94dB at 1kHz (sinusoidal)
Alarm Value Set	30~130 dB
Frequency Range	AS-156B: 20~12,500 Hz
Alarm Output	LED and optional relay contact (NC)
Size	140x70x30 mm
Power Supply	4x1.5vAAA Um-4 Battery
Weight	130 g  (Not including batteries)

 

Standard Accessories	Main Unit
	Windscreen
	Carrying Case
	Operation Manual
Optional Accessories	Sound Level Meter Calibrator
	USB data output
	RS-232 data output
	Bluetooth™ data output

Price Terms︰ FOB Shenzhen

Payment Terms︰ TT/Western Union/Paypal

Packing︰ Export carton

Lead Time︰ 3 days

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