Acoustic Calibrators
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Calibration sound pressure level : 114.0 dB and 94.0 dB ± 0.3 dB SPL re: 20μPa (114.0 dB is the principal sound pressure level)
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Equivalent free-field level : -0.12 dB for 1/2” microphones
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Frequency : 1 kHz ± 1%
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Harmonic distortion < 2 %
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Stability after pressing On ± 0.1 dB after 2 seconds
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Minimum stabilizing time : 10 seconds after coupling microphone and calibrator
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Reference conditions : 101.3 kPa, 23 ºC and 50 % RH.
Model: CAL 150
Product Specification Sheet
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Calibration sound pressure level : 114.0 dB and 94.0 dB ± 0.2 dB SPL re: 20μPa (114.0 dB is the principal sound pressure level)
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Equivalent free-field level : -0.12 dB for 1/2” microphones
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Frequency : 1 kHz ± 1%
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Harmonic distortion < 2 %
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Stability after pressing On ± 0.1 dB after 2 seconds
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Minimum stabilizing time : 10 seconds after coupling microphone and calibrator
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Reference conditions : 101.3 kPa, 23 ºC and 50 % RH.
Model: CAL 200
Product Specification Sheet
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Calibration sound pressure level (Initial) 114.0 dB ± 0.1 dB re: 20 μPa
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(After 1 year) ± 0.2 dB re: 20 μPa
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Equivalent free-field level : 0.0 dB for 1/2” microphones
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Frequency : 251.2 Hz ± 2 Hz
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Harmonic distortion : < 2 %
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Stability after pressing On ± 0.1 dB after 2 seconds
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Minimum stabilizing time : 10 seconds after coupling microphone and calibrator
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Reference conditions : 101.3 kPa, 23 ºC and 50 % RH.
Model: CAL 250
Product Specification Sheet
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Verify audiometers quickly and accurately using ANSI S3.6-2004 Specification for Audiometers.
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Test virtually every type of transducer such as supra-aural, extended range circumaural, bone vibrator, hearing aid, insert earphone, and speaker.
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Automatically correct the RETSPLs for microphone, coupler, and all other response adjustments using AUDit™ software.
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Perform level and frequency adjustments during audiometer tests.
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Qualify audiometric booth ambient noise with real time 1/3 octave analysis and fast pass/fail results (MPANL).
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Store and recall tests in databases; query databases by audiometer, technician, date, etc.
Model: Audiometer Calibration
Product Specification Sheet
Acoustic Couplers
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Description : NBS 9A (6 cc) Coupler
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Standards Compliance : IEC 60318-3:1998 ANSI S3.7-1995
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CE Compliant : No
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ANSI S3.6 Test Configuration : No
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Weight : 5.5 lb (2.5 kg)
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Height : 2.5 in. (65 mm) without mass and retainer
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Diameter : 3.2 in. (82 mm)
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Effective Volume : 6 cc
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Microphone : 1 in. 377A15 or LD 2575 (not included)
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Included Accessories : Vibration isolation pillow
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Optional Accessories : 377A15 microphone, 2575 microphone, CAL250 Calibrator, AMC493B, Artificial Mastoid
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Additional Features : No
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Applications : No
Model: AEC100
Product Specification Sheet
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Description :Ear Simulator
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Standards Compliance : IEC 60318-1:2009 IEC 60318-2:1998 ANSI S3.7-1995 Section 5.4
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CE Compliant : Yes
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ANSI S3.6 Test Configuration : No
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Weight : 3.2 lb (1.4 kg)
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Height : 2.0 in. (50.9 mm) without mass and retainer
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Diameter : 3.2 in. (82 mm)
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Effective Volume : No
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Microphone : 1/2 in. 377B13 (included)
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Included Accessories : Vibration isolation pillow
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Optional Accessories : AEC201-2 Type 2 adapter, plate for circumaural, earphones AMC493B, Artificial Mastoid
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Additional Features : 377B13 is removable
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Applications : No
Model: AEC201-A
Product Specification Sheet
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Description : 1/2 in. 2cc Coupler
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Standards Compliance : IEC 60318-5:2006 ANSI S3.7-1995
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CE Compliant : Yes
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ANSI S3.6 Test Configuration : HA-1, HA-2
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Weight : 2.7 oz (77.5 gr)
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Height : 1.62 in. (4.12 cm)
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Diameter : 0.98 in. (2.48 cm)
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Effective Volume : 2 cc
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Microphone : 1/2 in. 377B13 or 1/2 in. 377B11 (not included)
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Included Accessories : 0.035 in. hex key, acoustic tubing #13 thick
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Optional Accessories : 377B13 or 377B11 microphone
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Additional Features : Earmold substitute for BTE hearing aids, cup for insert headphones and ITE hearing aids
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Applications : IIC, CIC, ITC, ITE, RIC, BTE
Model: AEC202
Product Specification Sheet
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Description : 1 in. 2cc Coupler
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Standards Compliance :IEC 60318-5:2006 ANSI S3.7-1995
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CE Compliant : Yes
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ANSI S3.6 Test Configuration : HA-2
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Weight : 1.7 oz (49.0 gr)
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Height : 1.55 in. (3.94 cm)
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Diameter : 0.98 in. (2.48 cm)
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Effective Volume : 2 cc
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Microphone : 1 in. 377A15 or LD 2575 (not included)
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Included Accessories : acoustic tubing #13 thick
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Optional Accessories :377A15 microphone 2575 microphone CAL250 Calibrator
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Additional Features : Can be used with AEC100 to share 1 inch microphone
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Applications : BTE
Model: AEC203
Product Specification Sheet
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Description : IEC711 Ear Simulator
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Standards Compliance : IEC 60318-4:2010
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CE Compliant : Yes
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ANSI S3.6 Test Configuration : No
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Weight : 3.3 oz (94.8 gr)
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Height : 1.5 in. (3.81 cm)
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Diameter : 0.94 in. (2.37 cm)
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Effective Volume : No
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Microphone : 1/2 in. 377B13 (included)
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Included Accessories : No
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Optional Accessories : CAL250 Calibrator
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Additional Features : Can be calibrated using CAL250 by removing top cone and mesh
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Applications : ITC, ITE, RIC