Welch Allyn Audioscope 3 Portable Screening Audiometer - User Manual - Manual (Page 29)

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Maximum Permissible Ambient Noise for 20 dB HL Screen
55 dB A or
48 dB — 500 Hz octave filter
48 dB — 1000 Hz octave filter
48 dB — 2000 Hz octave filter
48 dB — 4000 Hz octave filter
Maximum Permissible Ambient Noise for 25 dB HL Screen and
40 dB HL Screen
60 dB A or
53 dB — 500 Hz octave filter
53 dB — 1000 Hz octave filter
53 dB — 2000 Hz octave filter
53 dB — 4000 Hz octave filter
Lamp: 3.5v Halogen, 20 hr. average life
Battery: 3.5v nickel cadmium rechargeable — approximately
50 minutes of continuous operation between recharges.
CHARGING STAND SPECIFICATIONS
Dimensions:
Circuit
Diagram:
Model: 71123
Input: Models 71032, 71034, 71036 and 71040 Charging
Transformers
Output: Model 23300 AudioScope 3™ charging rate — 75 mA
Leakage Current: See instructions for 71032, 71034, 71036 and
71040 Charging Transformers.
Weight: 1 lb. 3 oz. (539 g).
4.5"
(11.4 cm)
2.75"
(6.99 cm)
4.25"
(10.8 cm)
330
75 2W Pin Term
Sleeve Term
Power Jack
Charging Well
T
echnical Specifications
WANM-3999-COL AudioScope3 3/11/97 1:25 PM Page 27