China Sound Level Meter Noise Level Meter Sound Level Indicator

Guangzhou Amittari instruments Co., LTD. specialize in manufacturing coating thickness gauge, ultrasonic thickness gauge, hardness tester, surface roughness tester,vibration meter, gloss meter, whiteness meter, reflectance meter, tint meter, lux meter, stroboscope, tachometer moisture meter, tension meter, sound level meter, anemometer, force gaugeetc..LP Lep Lmax Ln Noise Sound Level TesterAS-156B

Product Description

The Sound Level Meter is divided into two types: ( AS-156A Accuracy : ±2dB), (AS-156B Accuracy : &plusmRemote Control n;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 errorsDrilling Rig .

* 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

LevResistor & Potentiometer el) 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-156A: ± 2dB

AS-156B: ± 1dBMeasurable ParametersLp (sound level)Leq (Equivalent Continuous A Sound Level)Lmax (Maximum Sound Level)LN (Percent of all readings over alarm value set)Measuring RangeLp: 30~130dBLeq: 35~130dBLN: 0~100%Frequency Weighting"A" / "C" / "F" (Flat)Time Weighting"Fast" ( 125ms ) / "Slow" ( 1 second )Microphone1/2 inch electret condenser typeMemoryStore 30 group measurement conditions and dataBuilt In Calibration Signal

94dB at 1kHz (sinusoidal)

Alarm Value Set30~130 dBFrequency Range

AS-156A:: 20~8,000Hz

AS-156B: 20~12,500 Hz

Alarm OutputLED and optional relay contact (NC)Size140x70x30 mmPower Supply4x1.5vAAA Um-4 BatteryWeight130 g (Not including batteries)

Product Accessories

Standard Accessories

Main Unit

Windscreen

Carrying CaseOperation Manual

Optional Accessories

Sound Level Meter Calibrator

USB data outputRS-232 data outputBluetooth™ data output

Buying Guide When you choose the model number of Amittari instrument, the default is standard delivery. If you need other optional accessories, please tellour customer -service worker.

The following three items are basic oCleaning Machine pInstruments & Meters tional accessories choices

Standard Accessories+USB data output

Standard Accessories+Bluetooth data output

Bluetooth Accessories

Amittari instruments generally can be supplied with Bluetooth data output function ( except few instruments ) . As Bluetooth data output is included in optional accessories, not standard delivery, it needs to be indicated when choose 10 meters to 100 meters distance can be chosen. Please kindly contact with the customer-service worker if you need Bluetooth data output.