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GRAS Sound & Vibration -  Intensity Pairs & Probes

microphone pairs

intensity calibration

standard probes

special probes

rugged microphone sets

standard microphone sets

special microphone sets

microphone capsules

preamplifiers

power modules

simulators, test systems

pistonphones & calibration

intensity pairs & probes

sound power hemisphere

accessories

intensity pair microphones

Type 40BI - ¼" intensity microphone kit

Type 40AI - ½" intensity microphone pair

Type 40AK - ½" intensity microphone kit

Dyn. range: 35 - 168 dB re. 20µPa

Sensitivity: preamp dependant

Freq. response: IEC 60651 Type 0

Phase response: IEC 1043 Class 1

Polarisation voltage: 200 V

Includes: mics, spacers + adapters

Dyn. range: 20 - 152 dB re. 20µPa

Sensitivity: preamp dependant

Freq. response: IEC 60651 Type 0

Phase response: IEC 1043 Class 1

Polarisation voltage: 200 V

Includes: capsules only

Dyn. range: 20 - 152 dB re. 20µPa

Sensitivity: preamp dependant

Freq. response: IEC 60651 Type 0

Phase response: IEC 1043 Class 1

Polarisation voltage: 200 V

Includes: mics, spacers + adapters

Type 40GI - ½" intensity microphone pair, prepolarised

Type 40GK - ½" intensity microphone kit, prepolarised

Dyn. range: 20 - 163 dB re. 20µPa

Sensitivity: preamp dependant

Freq. response: IEC 60651 Type 0

Phase response: IEC 1043 Class 1

Polarisation voltage: 0 V

Includes: capsules only

Dyn. range: 20 - 163 dB re. 20µPa

Sensitivity: preamp dependant

Freq. response: IEC 60651 Type 0

Phase response: IEC 1043 Class 1

Polarisation voltage: 0 V

Includes: mics, spacers + adapters

intensity pair calibrators

Type 51AB - intensity microphone calibrator

Type 51AC

intensity calibration kit

  Input Connection: BNC socket

  Input signal:50 Hz - 6.3 kHz 

  Frequency-intensity index:

       >27 dB (nominal spacing 25 mm)

 SPL difference b/n channels: <0.1 dB 

Phase response cal. of microphone pairs

Calibration kit for GRAS Sound & Vibration

Type 50AI-LP, Type 50GI-RP, and Type 50GI-P CCP Rugged Intensity Probes

NOTE: when configured with 50 mm spacer. there is no need to disassemble probes for calibration

(Includes Type 42AA pistonphone, 250 Hz, 114 dB)

standard intensity probes

Type 50GI 

CCP intensity probe

Type 50GI-P

CCP rugged intensity probe

Type 50AI-xx

intensity probe

Microphone pair: Type 40GI

Preamplifiers: matched Type 26CB

Note: Version with remote available

Use: direct connection to IEPE/ICP/CCP compliant analysers/data acquisition systems

Microphone pair: Type 40GI

Preamplifiers: matched Type 26CC

Note: Version with remote available

Use: direct connection to IEPE/ICP/CCP compliant analysers/data acquisition systems

Microphone pair: Type 40AI

Preamplifiers: matched Type 26AA (with 4-pin LEMO connectors)

Note 1: Rugged version available

Note 2: Versions avaialble for a number of control and capture units

special intensity probes

Type 50VI-1

vector intensity probe

Microphone pair: 3 x Type 40AI

Preamplifiers: 3 x matched Type 26AA 

Use: vector-intensity measurements, sound field mapping, sound-source location, near-field investigations

IMPORTANT NOTE:


        we aim to have all information accurate and current, please be aware that 'correct' specifications/details are as per GRAS website 

            (click on the product to view detailed specifications/information)

ETMC Technologies Pty Ltd                                          ( ABN: 14 114 595 836 )

Level 1, 22-28 Edgeworth David Avenue  |  Hornsby NSW 2077  |  AUSTRALIA

© 2009-2024   ETMC Technologies Pty Ltd  |  All rights reserved

+61 2 9555 1225

|      contact@etmc.com.au

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