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APPENDIX A. SPECIFICATIONS
A.1 Measurement Capability
Vibrating Wire (all types).
•
External temperature (thermistor).
•
Internal temperature (thermistor).
•
Main battery voltage (3V and 12V).
•
RTC lithium battery voltage.
•
A.2 Power
Power supply:
Processing/communication current: <100 mA
VW measurement current:
Quiescent current:
RTC battery type:
RTC battery life:
Operating temperature range:
A.3 Memory
Data memory:
Program memory:
Array storage
Data memory type:
Array elements:
Internal 3 VDC (7.5Vmax) or
External 12 VDC (15Vmax)
<250 mA
<600 µA
Panasonic CR2032 3V lithium coin cell:
20mm, 225 mAHr
>10 years
−30 to +50° C
320K EEPROM
24K EEPROM
10666
ring (oldest over-write)
ID (optional)
Year
Julian day (or month,day)
Time (hhmm or hh,mm)
Seconds
Battery voltage
Datalogger temperature
Channel 1 Transducer reading
Channel 2 Transducer reading
Channel 3 Transducer reading
Channel 4 Transducer reading
Channel 1 Transducer temperature
Channel 2 Transducer temperature
Channel 3 Transducer temperature
Channel 4 Transducer temperature
Array #
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