CERTIFICATION OF CALIBRATION
ALPHA C-20/25 CHARGER – OPERATING MANUAL V1.0
Page 23
CERTIFICATION OF CALIBRATION
BATTERY CHARGER – MODEL ALPHA C - 25
APPLICATION:
Charging, up to 24 volt lead-acid or nickel-cadmium aircraft
batteries, in constant-potential or constant-current mode.
SPECIFICATIONS:
•
AC input 115 or 230 VAC ±10% 50/60 Hz -selectable
•
Control knob adjustment for charge current
•
Selectable mode: 1) constant-potential 14.25 volts; 2)
constant potential 28.5 volts; or 3) constant current
•
Meter reading accuracy:
Voltmeter ± 0.3 volts
Ammeter ± 0.3 amperes
Timer 0.1% of preset time
NOTES:
A.
Unit manufactured and calibrated under MIL I45208A
B.
Calibrating instruments used:
•
Meter: FLUKE Model 8010A & 73III
DC volts
DC mV
•
Shunt: EMPRO Standard 0.25%
•
V/MV standard, EPPLY LABS Standard Cell
•
Digital Timer, Calibrated Standard
UNIT:
BATTERY CHARGER
MODEL:
ALPHA C - 25
SERIAL #:
_________
CALIBRATION DUE:
ONCE A YEAR
SHIPPED CONDITION:
_____ CALIBRATED / IN TOLERANCE -PASSED
PROCEDURE:
33K6-4-2193-1
ENVIRONMENTAL CONDITIONS:
74°F 38% R.H.
DATE OF FIRST USE:
_____________
Power Products Inc. certifies that the above listed instrument meets or exceeds all published
specifications. It has been calibrated using Standard MIL-STD I45208 whose accuracies are
traceable to the National Institute of Standards and Technology.
DATE MANUFACTURED: ___________ S/N: ______ SIGNATURE: _______________
POWER PRODUCTS INC. • 27 PAMARON WAY, SUITE E • NOVATO • CA 94949
Tel: (415) 883-6300 • Fax: (415) 883-6302
www.power-products.com
Summary of Contents for ALPHA C-20
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