GRAS Sound & Vibration - Calibration
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
sound calibration
Type 42AG
(multi-function calibrator)
Type 42AE
(low frequency calibrator)
Freq: 250 Hz or 1 kHz
Level: 94 dB or 114 dB
Accuracy: Class 1
IEC 60942 (2003-01)
Use: general acoustic work
Freq: 0.1 - 250 Hz
Level: up to 140 dB
Accuracy: IEC 60318-1 & -2
Use: precision calibration of low
frequency microphones
Type 42AA
(pistonphone)
Type 42AP
(intelligent pistonphone)
Type 42AC
(high level pistonphone)
Freq: 250 Hz
Level: 114 dB
Accuracy: Class 0 or Class 1
Use: precision calibration
Freq: 250 Hz or 251.2 Hz
Accuracy: Laboratory Stanadard
IEC Standard 60942(2003) LS
Note: temp + pressure compensation
Level: 134 dB
Type 90AA - audiometer calibration system
AL0010
(calibration stand)
Type 90CA-S2 - microphone calibration system
Complete Audiometer calibration system
Includes sound level meter, GRAS artifical ears 43AA and 43AF
Convenient platform for testing condenser microphones. Holds a ½” preamplifier (e.g. GRAS 26AG) securely. Recess and column for safely parking electro-static actuators
Calibration of all IEC 61094 standardized 1", ½", ¼", and ⅛" measurement microphones
Level, Frequency, Calibration Certificates, all inclusive system
electrostatic actuators
RA0014
(½" electrostatic actuator)
RA0015
(1" electrostatic actuator)
Type 14AA
(actuator power supply)
For testing the frequency response of standard ½" and ¼" microphones (with included adapter)
Connects directly to Type 14AA
For testing the frequency response of standard 1" microphones
High-voltage, high-gain amplifier and voltage supply for driving electrostatic actuators
The high-voltage output can also be used to drive standard microphones as sound sources
ETMC Technologies Pty Ltd
Level 1, 22-28 Edgeworth David Avenue
Hornsby NSW 2077 AUSTRALIA
© 2009-2022 ETMC Technologies Pty Ltd | All rights reserved
p: +61 2 9555 1225
f: +61 2 8014 5198
e: contact@etmc.com.au
ABN: 14 114 595 836
This page is best viewed with browsers set to at least 960 pixels wide. Please report problems or bad links to webmaster. Click here for site map.
