Page 90 - Battery Reference Book

Table 2.3 Some applications of primary batteries
s
Application Battery hystem Loud requirement Life required (approx.) Acceptable voltage Reason for buttery
regulation (%) choice 2
Q
-.
Roadside hazard lamp Carbon-zinc 6V 0.3 A bulb approx. 1200 h 40 Economy; availability n,
(flashing) 60 pulseslmin 2
CD 0)
Roadside hazard lamp Air depolarized 3.8 V 250mA bulb 120 h continuous 20 Economy 6
Personal locator beacon Mercury - zinc 13.4V 30mA 30h 20 Operation at 0°C; u-
%
continuous at 0°C v .
4
Location beacon Mcrcury ~indium-bismuth 14.7 V 60 mA pulse Operation alter storage 5 good storage 0)
Operation after
train at 70°C; 300 h storage at 70°C co
(D
Sealed metering and Mercury-cadmium 15 mA pulse 48 months 10 Special termination; a
indicator sporadically good storage 9
Portable warning lamp Zinc-air 250 mA 10 h continuous 5 Low weight requirement
and voltage regulation;
economy
Roadside hazard lamp Carbon-zinc 12V 0.1Abulb 63 h 30 Economy; availability
continuously burning
Alarm system Air depolarized 3.0 mA continuously 18 months 20 Economy
Laser beam detector Mercury-zinc 13.4V 20mA IOOh 5 Special termination;
intermittently good storage
Memory core standby Mercury-indium-bismuth 20 pA 24 months 5 Special termination;
supply good storage
Intruder alarm system Carbon-zinc 12V 300mA 8 h after 12 months storage 30 Economy; availability
Radio location buoy Air depolarized 750 mA pulse 12 months 20 Weight; cconomy
2 mA quiescent
Solid-state relay Mercury-zinc 13.4V 10pA 18 months 1 Long lifc and voltage
continuously regulation
Emergency and portable Carbon-zinc 12V 600mA 3 h continuously 25 Economy; availability
fluorescent handlamp
Detonator Mercury - zinc 1.34 V 500 mA pulse One shot after 18 10 Good storage and
months special termination
Direct reading frequency meter Carbon-zinc 9V 25mA 200 h at 4 Wday 25 Size; economy; availability
Radio microphone Mercury-zinc 13.4V 15mA 2Wday 50h 10 Voltage regulation;
special shape
Wide-range oscillator Carbon-zinc 18 V 25 mA 200 h at 4 hlday 25 Size; economy; availability
Communication transceiver Carbon-zinc 12V T, 1.2A R, 0.6A 24 h continuous on 30 Economy; weight
TJR, = 119
Tape recorder Carbon-zinc 6 V 200 mA 20days at 30minlday 35 Availability; economy
Miniature ignition device Carbon-zinc 400 mA pulses 6-9 months 30 Miniaturization