Wiring Panel Temperature: Measured using a 10K3A1A BetaTHERM thermistor, located between
the two rows of analogue input terminals.
10.2 Physical specifications
Dimensions: 23.8 x 10.1 x 6.2 cm (9.4 x 4.0 x 2.4 in); additional clearance required for cables and
wires. For CAD files, see CR1000X Images and CAD 2D Drawings.
Weight/Mass: 0.86 kg (1.9 lb)
Case Material: Powder-coated aluminum
10.3 Power requirements
Protection: Power inputs are protected against surge, over-voltage, over-current, and reverse
power.
Power In Terminal :
l Voltage Input: 10 to 18 Vdc
l Input Current Limit at 12 Vdc:
o
4.35 A at -40 °C
o
3 A at 20 °C
o
1.56 A at 85 °C
l 30 Vdc sustained voltage limit without damage. Transient voltage suppressor (TVS) diodes
at the POWER IN terminal clamps transients to 36 to 40 V. Input voltages greater than 18 V
and less than 32 V are tolerated; however, the 12 V output SW12-1 and SW12-2 are disabled
and will not function until the input voltage falls below 16 V. Sustained input voltages in
excess of 32 V can damage the TVS diodes. If the voltage on the POWER IN terminals
exceeds 19 V, power is shut off to certain parts of the datalogger to prevent damaging
connected sensors or peripherals.
USB Power: Functions that will be active with USB5 Vdc include sending programs, adjusting
datalogger settings, and making some measurements. If USB is the only power source, then the
CS I/O port and the 5V, 12V, and SW12 terminals will not be operational. When powered by USB
(no other power supplies connected) Status field Battery = 0.
Internal Lithium Battery: AA, 2.4 Ah, 3.6 Vdc (Tadiran TL 5903/S) for battery-backed SRAM and
clock. 3-year life with no external power source. See also Internal battery (p. 105).
Average Current Drain (assumes 12 Vdc on POWER IN terminals):
l Idle: <1 mA
l Active 1 Hz Scan: 1 mA
10. Specifications 163
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