Larson Davis 831, User Manual

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Model 831 Manual Model 831 Specifications A-19
Memory Retention
PSA029 AC to DC USB Power Adapter Specifications
Data Memory Permanently stored in non-volatile flash mem-
ory every one minute. If power failure, maxi-
mum data loss will be less than one minute
Real-time Clock

10 minutes
Table A-18 Memory Retention Without Batteries or External Power
DC Output Voltage 5 Volts
DC Output Regulation Line: ± 5%
Load:

DC Output Load Minimum: 0 A
Maximum: 0.5 A
DC Output Connector USB Type A Jack
(USB Cable, type A to mini-B supplied)
AC Input Voltage 90 to 264 Vac
AC Input Frequency 47 to 63 Hz
AC Input Current 0.15 Arms, 120 Vac at maximum load
0.08 Arms, 230 Vac at maximum load
Ac Inrush Current 30 A for 120 Vac at maximum load
60 A for 240 Vac at maximum load
Efficiency 55% typical
Power Saving 0.3 W maximum, no load, 230 Vac, 50 Hz
Temperature Operation: 0 to 45

C
Storage: - 40

C to + 85

C
Humidity Operation: 10% to 90%
Storage: 5% to 85%
Safety Approvals cUL/UL, CE, TEV, C-Tick and SAA
Emissions FCC Part 15 Class B
EN55022 Class B
Table A-19 PSA029 AC to DC USB Power Adapter Specifications