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产品名称:

simpson 890-2 Calibrator


产品型号: simpson 890-2 Calibrator
产品展商: 珠海科尔迈测试设备有限公司
PDF文档下载:
 Simpson 884-2 & 886-2 Sound Level Meters

简单介绍
simpson 890-2 Calibrator,Sound pressure level calibrators are used before or after taking measurements with sound level meters and noise dosimeters. The 890-2 can adjust Simpson models 886-2 and 884-2 or other sound level meters with a 1" diameter Microphone. The 890-2 provides a constant 94 dB or 114 dB sound pressure level at 1 KHz (0 dB = 0.0002 Mbar). Calibrator is immune to a wide range of temperature and humidity conditions while maintaining tight output level tolerances.


simpson 890-2 Calibrator的详细介绍

simpson 890-2 Calibrator,

Sound pressure level calibrators are used beforeor after taking measurements with sound level meters and noisedosimeters. The 890-2 can adjust Simpson models 886-2 and 884-2 orother sound level meters with a 1" diameter Microphone. The 890-2provides a constant 94 dB or 114 dB sound pressure level at 1 KHz(0 dB = 0.0002 Mbar). Calibrator is immune to a wide range oftemperature and humidity conditions while maintaining tight outputlevel tolerances.

MODEL 890-2 CALIBRATOR

ACOUSTIC OUTPUT

Frequency: 1000Hz 61%

Sound Pressure Level: 94dB, 114dB

ACCURACY

Frequency: 61%

Sound Level: 60.5dB at reference condition

Distortion: <2%

Reference: 0dB = 0.0002m bar

POWER REQUIREMENTS

Battery Type: (1) 9V NEDA 1604

Battery Life: 35 hrs approx.

ENVIRONMENTAL

Operating Temperature: 0° to 50°C

Output Temperature Coefficient: <-0.05dB/°C

Relative Humidity: 0-90%

Relative Conditions: 23°C, 760mmHg, 30-50% relative humidity

PHYSICAL

Construction: aluminum housing

Dimensions: 5.25" long x 2" diameter, (13 x 5cm)

Weight: 14oz (400g)

 





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simpson 890-2 Calibrator

]资料   PDF文档下载:
 Simpson 884-2 & 886-2 Sound Level Meters


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珠海科尔迈测试设备有限公司
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