GE TruSat, User Manual

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TruSat User’s Guide
4–4
External power
Power supply (AC to DC converter)
AC power input: 100–240 V, 0.5 A, 50–60 Hz
Power supply (DC to DC)
DC power input from vehicle cigaretter lighter: 12 V
Power supply output to monitor: 12 VDC, 1.25 A, 15 watt
Power indicator (green LED): ON while monitor is connected to AC power
Line power filter (monitor setting): 50 Hz or 60 Hz
Internal battery power
Type: Internal, rechargeable, nickel metal hydride (NiMH), 3 AH, 12 VDC, 150 mA
Self-discharge when stored at room temperature (typical for all NiMH batteries):
at least 30% of a full charge remains after 3 months of storage
Capacity, fully charged, operating at room temperature:
Without Trend Download option: 35 hours
With Trend Download option: 24 hours
NOTE: Continuous use of the backlight reduces the time approximately 50%.
Charging time (full capacity): 3.5 hours typical
Battery indicator: 4-segment symbol; shaded segments represent battery charge
(0 shaded = low or depleted; 4 shaded = fully charged)
Automatic power OFF to conserve battery: 20 minutes after monitoring stops
Trend Download option
Trend data storage: 48 hours with a data storage resolution of 1 data point every
4 seconds
RS-232 serial port: DIN 6 circular connector
19.2K baud, 8 data bits, 1 start bit, 1 stop bit
Handshaking (RTS, CTS), full duplex, no parity
Environmental conditions
NOTE: To maximize battery life, store the monitor at room temperature.
Operating Transport and Storage
Temperature
10 to 40 ºC
(50 to 104 ºF) –40 to 70 ºC
(–40 to 158 ºF)
Relative humidity,
noncondensing 20 to 95% 5 to 95%
Atmospheric pressure 1060 to 697 hPa 1060 to 188 hPa
Approximate elevation –378 to 3048 m
(–1240 to 10,000 ft.) –378 m to 12.2 km
(–1240 to 40,000 ft.)
Dimensions and weight
Width/Depth/Height including handle = 21.8 x 11.5 x 10.3 cm (8.5 x 4.5 x 4 inches)
Weight
1.25 kg (2.76 pounds)
1.47 kg (3.26 pounds) with Trend Download option