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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:
4.5"
(11.4 cm)
Circuit
4.25"
2.75"
(10.8 cm)
(6.99 cm)
Diagram:
330
Pin Term
75
2W
Power Jack
Charging Well
Sleeve Term
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).
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