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Product Detail
Sound Level Meter AS-156A & AS-156B
Sound Level Meter AS-156A & AS-156B
Original : 0.00
Detail

Product Description                                                                                                                                              

The Sound Level Meter is divided into two types: ( AS-156A Accuracy : ±2dB), (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-156A: ± 2dB

AS-156B: ± 1dB
Measurable ParametersLp   (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-156A:: 20~8,000Hz

AS-156B: 20~12,500 Hz

Alarm Output
LED and optional relay contact (NC)
Size
140x70x30 mm
Power Supply4x1.5vAAA Um-4 Battery
Weight
130 g  (Not including batteries)      


Product Accessories                                                                                                                                            



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


Buying Guide                                                                                                                                                          

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

The following three items are basic optional 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.


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