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Helmet Tester
PN: XABH-9000
Helmet Tester
The XABH-9000 Helmet Tester is a hand-held,
battery powered instrument for verifying the
proper operation of aviation-type speakers
and microphones, individually or as part of
complete headsets.
FEATURES & SPECIFIC ACTIONS
•The case size is 4.3"w x 9.5" H x 2.25" Thick.
•Operating temperature 0°C to 55°C (32°F-130°F)
•The unit is compatible with dynamic microphones
ranging from 5 to 600 ohms, "amplified" electret
microphones (commonly used for carbon mic
replacement), and polarized electrets condenser
microphones. It is designed for speakers and
speaker systems ranging from 4 to 600 ohms,
however it can measure speakers up to 1700
ohms with diminished output level.
•A 2-line 20-character backlit LCD shows
microphone type and current (for electret types)
or ohms (for dynamic types), speaker ohms,
and relative microphone output level in response
to input sound.
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Related Manuals for Capewell XABH-9000
Summary of Contents for Capewell XABH-9000
- Page 1 Helmet Tester The XABH-9000 Helmet Tester is a hand-held, battery powered instrument for verifying the proper operation of aviation-type speakers and microphones, individually or as part of complete headsets. FEATURES & SPECIFIC ACTIONS •The case size is 4.3”w x 9.5” H x 2.25” Thick.
- Page 2 PRODUCT DESCRIPTION AND OPERATION Rechargeable NiMh or NiCd batteries may be used, however the The unit simulates an intercom system for verifying proper 0.5ma (5V source with 10K series resistance), microphones LB (low battery) indicator will be shown early, and the unit must operation by wearing the headset and speaking into the with a resistance of less than 25 ohms are considered be turned off when the back-light remains off to avoid damage...
- Page 3 After programming, the following messages are displayed after The unit is not designed for carbon-type microphones. They User-constructed adapters should only connect to the microphone connecting a headset: should detect as high impedance dynamic and the measure- and speaker lines, the audio input lines, and must draw no more OK - no errors detected ment bias might permit some level of testing, but the readings than 20ma from the +5V power line.