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APREL MiNi-HAC Hearing Aid Compatibility Automated Test System

New

  • 5 Axis Denso Robot
  • Comprehensive measurement package
  • Hearing Aid Measurement Module
  • Active and Passive twin-axis T-Coil probes
  • Fully characterized Helmholtz Coil and TMFS
  • Firmware controlled DAQ for future proof upgrades
  • Full graphic package for visualization and manipulation of measured data
  • Audio DAQ-PAQ with built in amplifier for T-Coil validation (requires an additional Helmholtz Coil and software upgrade)

Peripherals

  • MiNiHAC T-Coil Probe
  • MiNiHAC H-Field Probe
  • MiNiHAC E-Field Probe
  • Helmholtz Coil
  • TMFS
  • Dipoles
  • Universal Device Positioners

Applications

  • RF Emissions Test - near field measurements of the electric and magnetic fields emitted by a wireless device
  • RF E-Field emissions V/m
  • RF H-Field emissions A/m
  • Audio Frequency T-Coil Tests
  • ABM1 intensity and frequency response
  • ABM2 intensity and frequency response
  • Fast Furrier transform and audio quality analysis
  • ANSI C63.19 2011

More details

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Data Sheet

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Test Equipment Description

MiNi-HAC™ Hearing Aid Compatibility Automated Test System

Hearing Aid Compatibility (HAC) evaluation of wireless handsets ensures accessibility of these technologies to the hearing impaired.

The MiNi-HAC system can be used for the design and development of wireless handsets as well as for evaluation of hearing aids used by the hearing impaired to gain access to mobile wireless technologies.

APREL MiNi-HAC™ is the commercial compliance Hearing Aid Compatibility (HAC) bench measurement system, ideal as a primary compliance instrument for Hearing Aid Compatibility or as a design/development tool for electromagnetic near-field emission evaluation of antennas and wireless devices. The system is designed for developers, compliance experts, regulators, and researchers.

APREL is a pioneer in the area of Hearing Aid Compatibility, and the MiNi-HAC™ brings APREL’s almost three decades of experience into one package. APREL is ISO 17025 accredited for HAC standards including ANSI/IEEE C63.19.

MiNi-HAC™ is an affordable and easy-to-use system for complex HAC evaluations of wireless products (handsets, smartphones, etc.). It is an expandable system which can test devices operating up to 6 GHz and which will grow with technological developments.

This product is ideally suitable for use in a fast paced development area where assessments are needed for research & development, for pre-compliance and for final product compliance testing.

Basic system configuration

  • Software platform based on industry-recognized test methodologies and FCC-mandated test standards (ANSI/IEEE C63.19)
  • Software audio band testing module
  • Automated X,Y,Z precision probe movement system
  • Full graphic package for visualization and manipulation of measured data
  • E-Field HAC probe with 2 Standard frequency calibrations
  • H-Field HAC probe with 2 Standard frequency calibrations
  • Active Twin Axis T-Coil probe
  • 2 Standard frequency validation dipoles
  • Telephone Magnetic Field Simulator (TMFS) for reference check of the HAC T-Coil measurement setup
  • Helmholtz Coil (optional)
  • Device Positioner
  • Communications and Control Expander with integrated DAQ-PAQ and emergency stop mechanism
  • 5 axis laboratory-grade robot
  • Bench area of system under 6 square feet

DescriptionPerforms HAC testing for wireless communications devices (WD) in compliance with ANSI/IEEE C63.19 methodologies
SoftwareUser friendly GUI that allows for easy setup and data retrieval
Includes signal generator (no additional equipment needed)
Full FFT (Fast Furrier Transform) analysis
Multiple Octave Settings (user defined or standard)
Tone generation (comes with ITU P50)
ApplicationsRF Emissions Test - Measurements of the near-field electric and magnetic fields emitted by a WD
RF E-Field emissions V/m
RF H-Field emissions A/m
AF T-Coil tests
ABM1 intensity and frequency response
ABM2 accurate evaluation
Typical Test BandsSMR 800, SMR 900, Cellular 850, GSM 850, 900, 1800, 1900
Custom bands available on request
Report GenerationMS Word report generated according to FCC requirements
E-Field ProbeE-Field Probe used for RF emissions testing of a wireless device
Typical sensitivity: 1.0 mV / (V/m)
Typical isotropy: 0.2 dB
H-Field ProbeH-Field probe used for RF emissions testing of a wireless device
Typical sensitivity @ 835 MHz: 200 mv / (A/m)
Typical sensitivity @ 1880 MHz: 440 mv / (A/m)
Typical isotropy: 0.3 dB
Active Twin-Axis T-Coil ProbeConverts magnetic fields of audio frequencies into AC voltage.
Built in preamplifier module which allows for extended dynamic range
Designed to sense axial and radial fields
Typical frequency range: 100 Hz to 20 kHz
Typical sensitivity: -60 dB(A/m) to 20 dB(A/m)
Validation DipolesTypical performance is better than -10dB
Custom dipoles available on request
Magnetic Dipole TMFSTMUsed to calibrate and validate automated methods used for HAC audio band magnetic system testing (ALSAS-10U HAC Upgrade SuiteTM)
Serves as a known source for audio band magnetic fields for system validation and calibration
Audio DAQ-PAQ and Integrated Power AmplifierAll-in-one box
ADC (DAQ-PAQ) 16 Bit
Amplifier Range up to 100 dB input
Output @ 50 Ω relative to 1 Khz -4 dBV
Communications via USB
Field IntegrationLocal Co-Processor utilizing proprietary integration algorithms
LED IndicationEmergency stop and DAQ-PAQ state
Number of Input Channels4 in total: 3 dedicated and 1 spare for future upgrades
CommunicationPacket data via RS232 and USB
Ambient Noise20 dB below intended measurement limit
PowerRobot and controller supplied by 110 or 220 V standard (country specific) supply
Communications and control expander supplied by dedicated DC source (no battery required)

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