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GRAS 51AB Specifications

GRAS 51AB

Sound Intensity Calibrator

£ 8 a day *

Input Connector : BNC socket

Maximum Input Signal : 1 Vrms, recommended signal is 300 mVrms

Input Level for 94 dB re 20 µPa : 50 mV rms, nominal

Frequency Range : 40 Hz to 8 kHz

Pressure-Intensity Index : > 27 dB, for 25 mm nominal microphone spacing

Sound Pressure Level difference between channels : < 0.1 dB

Operating Temperature Range : +5 °C to +40 °C

EMC : EN 50081-1, EN 50082-1

Safety : EN 61010-1, portable equipment pollution category 2

Physical :
Height : 42.2 mm
Width : 50.3 mm
Depth : 60.0 mm
Weight : 515 g : 1.3 lb

Accessories included :
Phase shifting element
two 1/4" adaptors
BNC cable and carrying case


E&OE - specifications subject to change without notice.

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Gracey & Associates   01933 624212   hire@gracey.com
British Standards accreditation for noise and vibration instrument hire and calibration
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