ADC-A12C31 Operator’s Handbook Rev. A
P. 33
Internal Battery Circuit
Maintenance Free Rechargeable Battery
3V, 17 mAh, Coin Cell
Rechargeable Manganese Lithium
Panasonic ML1220/V1A
Rechargeable Manganese Lithium coin cell (Panasonic ML1220) and recharging
circuit requires no maintenance and retains all configuration settings for two weeks
(minimum holdover) without applied external power.
Clock hand alignment settings are maintained in non-volatile flash and are not affected by
either loss of power or internal battery voltage.
Operating/Storage Temperature & Humidity
Operating Temperature .............................. 32˚ to 140°F (0˚ to 60˚C)
Relative Humidity ....................................... 0 to 90%, non-condensing
Storage Temperature ................................. -40° to 185°F (-40° to 85°C)
Size and Weight
Physical Size
Diameter
Depth
Clock Face
Diameter
Weight
Round
Material
Case
Lens
ADC-A12C3112
12.5” (31.8 cm)
4.25” (10.8 cm)
12” (30.5 cm)
7.6 lb (3.5 kg)
Powder Coated Steel
Polycarbonate
Summary of Contents for ADC-A12C31
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