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BIOPAC Hardware | OUT SERIES | Page 3 - 4 Updated: 1.6.2014
MP36 and MP36R interface options:
• BSL System stimulator (model BSLSTM): use BSLCBL6 and Radio Shack P/N 274-047 ¼" to 1/8"
phono adapter
• BSL MP36 data acquisition unit Analog Out port: use OUT3 plus BSLCBL6 and Radio Shack P/N 274-
047 ¼" to 1/8" phono adapter
• MP36 headphone port: use Radio Shack P/N 274-047 ¼" to 1/8" phono adapter; note—volume may not
reach the same levels as the Analog Out port
OUT101 SPECIFICATIONS
Response: Compares to TDH-39, 49 or 50 audiometric headphones
Acoustic signal delay: 1 msec
Dimensions: 3.8cm (wide) x 5cm (high) x 1cm (thick)
Cable termination: 6.3mm (1/4") phone plug
Cable length: 1.8 meter
Cable clip:
Yes; clip attaches to fabric or fixtures
CALIBRATION FOR AUDITORY BRAINSTEM RESPONSE STUDIES
To calibrate the OUT101 Tubephone, use an Etymotic ER-7C Probe Microphone—this microphone provides a
calibrated output voltage which is a function of applied Sound Pressure Level (SPL). The sensitivity is 50
mV/Pascal (-46 dB re: 1 V/uBar): 0 dB SPL = 0 dBuV. Place the Probe Microphone insert tube in the auditory
canal prior to the insertion of the OUT101 foam tip.
The OUT101 Tubephone sound delivery tube and the Probe Microphone sound input tube will then be exposed to
the same auditory chamber. Accordingly, the SPL is recorded, via the Probe Microphone, simultaneously with
applied auditory stimulus from the OUT101 Tubephone.
OUT102 PIEZO AUDIO TRANSDUCER
The OUT102 piezo transducer is typically connected
directly to the STM100C stimulator module. When the
stimulator module output rises above 1.5 volts, the piezo indicator will emit a constant audible signal (3.0 kHz @
80 dB). Accordingly, the device is very useful for providing an audible stimulus, or alarm, when a physiological
signal passes a certain threshold. As such, the OUT102 makes an excellent audible BPM indicator for ECG, blood
pressure or respiration signals. The device can also be used to indicate when temperature or other slowly moving
variable (e.g. electrodermal response) passes a certain threshold. The threshold for the OUT102 is determined by
adjusting the amplitude control on the STM100C module. The specific Biopotential or Transducer amplifier
signal monitored can be recorded while simultaneously directed through the STM100C module. The OUT102
also connects directly to the UIM100C digital I/O ports for operation with Control Channel outputs. The OUT102
measures 2.5cm (dia) x 1cm (high) and comes equipped with a 1.8m cable terminated in a 3.5mm phone plug. An
adapter is included for connecting the OUT102 to the UIM100C digital I/O ports.
OUT102 SPECIFICATIONS
Dimensions: 2.5cm (dia) x 1cm (high)
Cable Length: 1.8 meter
Connector Type: 3.5 mm phone plug + adapter for the UIM100C digital I/O ports
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