microphones and connectors for when clear communication is vital
Pambry Electronics is dedicated to continuous accoustic research and development
Pambry Electronics' acoustic research and development division is its newest and fastest growing in the Pambry portfolio. Pambry offers an impressive level of experience and expertise in the communications acoustics field.
Our research and development facilities include the following:
- A Semi Anechoic Chamber measured to ISO3745 1977(E) Annex A.
- A Semi reverberant room capable of achieving simulated vehicle noise levels in excess of 120dBA and designed to be used in accordance with MIL Std-912 and ANSI S12.6-1997.
- Pambry designed and developed head and face simulators based on the industry standard "Sheffield" head for breathing mask, microphone and headset measurements.
- Environmental test equipment including, temperature cycling cabinet, vibration rig, water submersion test, vacuum chamber & salt test facilities.
- Model shop facilities for manufacturing test items and special test rigs.
Our test facilities include:
- Bruel & Kjaer 4227, 4219, 4215 voice simulators.
- Bruel & Kjaer 4152 and Gras IEC318 (equiv 4153) artificial ears.
- A range of Bruel & Kjaer 1", ½" and ¼" microphones.
- Bruel & Kjaer Pulse system 3560B used for acoustic testing utilising swept sine, total harmonic, spectrograph, spectrogram and many others.
- SpectraPLUS high resolution acoustic analysis for noise measurements incorporating noise generation, sub-octave analysis, spectrogram & 3D surface plotting and many others.
- Active and passive noise reduction measurements to ANSI S12.6-1997.
All Pambry Electronics Research and development equipment and facilities are available for in house or customer funded testing & 3rd party hire at Pambry's facility.
In the course of our acoustic research and development of audio and microphone products we have developed a number of items of test equipment which we now offer as products in their own right. Details of these can be seen in the page below.
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Part Number: CHT*-*-*
Description: Compact Headset Tester
Quick and easy way to carry out a functional check of communications headsets/headphones. Mic and Tells check, PTT check and talk back. This unit is tailored to your choice of headset and connector.
Part Number: PED 0204
Description: CABLE TESTER
16 Test points Auto test function Continuity and Insulation Testing at Lo and Hi DC voltage Built-in Digital controller Analyses cable layups automatically and then repeats tests on further cables for quick testing Self contained unit from mains power
Part Number: PED0301
Description: PORTABLE AUDIO ANCILLARY TESTER
Battery powered, checks headsets/helmets, microphones, masks, PTT switching, cable continuity, speech level and subjective quality, even ANR check when fitted to the user. Handles amplified (carbon) & basic electrets plus dynamic mics. Audio recorder output and intercom facility (2 wire connection to a similar unit up to 100m range)
Part Number: PED0302
Description: HEADSET/HELMET/MASK TESTER
Designed to perform pass/fail objective measurements within pre-specified tolerance limits for most overhead style headsets and helmets. The facial features are based on the industry standard ’Sheffield’ head and provide the capability to assess most breathing apparatus mask voice communications. Options are available to measure Microphone and Earphone sensitivity, ANR functionality, Distortion, Phase, Crosstalk, Impedance, Cable continuity. Real speech playback and subjective talk through are also available.
Part Number: Semi Anechoic Chamber
Description: Semi-Anechoic test facility
Our Semi Anechoic Chamber is measured to ISO3745 1977(E) Annex A with useable dimensions of 3.5m x 3m and door access width of 0.8m. The facility was originally set up for the testing of loudspeaker and far field microphone measurements but is now offered for in house, customer funded testing and 3rd party testing.. The test facility meets the design performance parameters for free field conformance achieving a cut off frequency of 200Hz third octave.
Part Number: Semi Reverberant Room
Description: Semi Reverberant Test Facility
Our Semi-reverberant room is capable of achieving simulated vehicle noise levels in excess of 120dBA. Designed to be used in accordance with MIL Std-912 and ANSI S12.6-1997 The facility was originally set up for the testing of Pambry’s own products but is now offered for in house, customer funded testing and 3rd party testing.
Part Number: Vibration Testing
Description: Vibration Testing
Pambry have a fully equipped vibration testing facility which as well as being used to test Pambry products is available for use by our customers.
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