Product Description

Sound Level Meters Digital Noise Decibel Noise Audio detector sound level meter

Widely used to test the sound level of environment, machinery, vehicle, ship and other noise. For industrial environmental protection, construction, health care, teaching and research department.

Features

* 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 ).
* DC output :1 0 m V / d B.
* Can memorize 30 groups of measurement results and measuring conditions.
* Auto range selection and digital display with no guessing errors.
* Use USB/RS-232 data output to connect with PC.
* Provide Bluetooth data output choice.

Specifications

Standards	IEC 651.2, ANSI 1.4.2
Paraments Measured	Lp-Sound Level
	Leq-Equivalent Continuous A Sound Level
	Lmax-Maximum Sound Level
	LN-Percent of All Reading Over Alarm Value Set
Testing Range	Lp	30~130dB(A Weighting)
		35~130dB(C Weighting)
		40~130dB(F Weighting)
	Leq	30~130dB(10Seconds,1Min,5Min,10Min,15Min,30Min,1Hour,8Hours,24Hours)
	LN	0~100%
Resolution	0.1dB
Accuracy	1dB
Frequency Weighting	'A'/'C'/'F'*(Flat)
Time Weighting	Fast (125 ms)/Slow (1 Second)
Microphone	1/2 Inch Electret Condenser Type
Memory	30 Group with Measuring Conditions
Calibration Signal Built in	94dB at 1k Hz(sinusoidal)
Frequency Range	20~12,500 Hz
Alarm Value Set	30~130 dB
Alarm Output	LED Optional Relay Contact(NC)
Indicator	Low Battery Indicator
Power Supply	4x1.5V AAA Size (UM-4)Battery
External DC Power Supply	6V,DC,100mA
Dimensions	236x63x26 mm
Weight	170 g

Accessories

Standard Accessories	Main Unit
	Windscreen
	Carrying Case (B04)
	Operation Manual
Optional Accessories	ND9 Sound Level Meter Calibrator
	RS-232C Data with Software
	Bluetooth Data Adapter with Software