21798-01-EN Rev. 04 Page 35
APPENDIX A - SMARThatch SPECIFICATIONS
A1 Power Requirements
Sensor (drum mounted): Rechargeable Li-ion Battery
Nominal 7.2VDC, 4 Watts
Receiver Module:
9 to 16 VDC, 1 Watt, for Trucks with 12VDC Battery only
In-Cab Display:
9 to 16VDC, 1 Watt
Telematics Module:
For Reference only 9 to 32VDC, 7 Watts
A2 Fuse Protection
The receiver module, display Option 1 and telematics module do not
include a fuse. An overcurrent protection device (fuse) must be
installed on the supply side of the +12V Ignition and +12V Battery
power inputs, with a fuse current rating of 10A to 20A.
For display Option 2, cabling includes Mini Blade Fuse in an inline
splash-proof fuse holder. The fuse used is Littelfuse 0297002H (2A,
32V rated, Time blow fuse).
A3 Operating Temperature Range
The sensor and receiver electronics are rated for indoor and outdoor
use. The display is rated for indoor use only.
* Sensor Unit and Battery
-4°F to +140°F (-20°C to +60°C)
Receiver Module
-4°F to +140°F (-20°C to +60°C)
Display In-Cab
-4°F to +140°F (-20°C to +60°C)
Battery Charging 32°F to +113°F (0°C to +45°C)
* Concrete between 32°F to +122°F (0°C to +50°C)
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