Manufacturers' Specifications
GRAS 50AI

Sound Intensity Probe

Microphones : Type 40AI supplied as a 40AK set with adaptors and 26AA preamplifiers

Frequency Response : IEC 1043 Class 1

Phase Match : IEC 1043 Class 1

Preamplifiers : Type 26AA supplied as a 40AK set with adaptors and 40AI microphones
Connectors : 4-pole Lemo - type FGG 0B

Remote Handle : version A
Preamplifier connectors : 2 x 4-pole Lemo for 26AA preamplifiers
Indicator : Overload
Indicator : Averaging Status
Indicator : Flow Direction

Instrument connectors :
1 x 14-pole Lemo to Norsonic 840 Real Time Analyzer for 2-channel signal output
120 V preamplifier supply voltage
200 V polarization and interface for remote control of the analyzer

Operating Temperature : 5 °C to + 40 °C

Weight : 0.4 kg : 0.9 lb

E&OE - specifications subject to change without notice.

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Gracey & Associates   01933 624212

BSI accreditation for instrument hire and calibration

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