3.1.3 Environmental Specifications
The LMU-3030™ is designed to operate in environments typically encountered by fleet vehicles,
including wide temperature extremes, voltage transients, and potential interference from other vehicle
equipment.
To ensure proper operation in such an environment, the LMU-3030™ was subjected to standard tests
defined by the Society of Automotive Engineers (SAE). The specific tests included temperature, shock,
vibration, and EMI/EMC. These tests were performed by independent labs and documented in a
detailed test report. In accordance with Appendix A of SAE J1113 Part 1, the Unit is considered a
“Functional Status Class B, Performance Region II” system that requires Threat Level 3 Testing.
The following shows the environmental conditions the LMU is designed to operate in and the relevant
SAE tests that were performed. No formal altitude tests were conducted.
Size
1.7 x 2.5 x 1”, (43 x 64 x 25mm)
Weight
1.8 oz, (51 g)
Operating Temperature
-30° C to 75° C
Storage Temperature
-40° C to 85° C
Humidity
0% to 95% relative humidity, at 50° C non-condensing
Shock and Vibration
SAE Test: SAE J1455 Compliant
Mil Standard 202G and 810F Compliant
Ground vehicle environment with associated shock and vibration
Electromagnetic Compatibility (EMC/EMI)
SAE Test: SAE J1113 Parts 2, 12, 21 and 41 Compliant
FCC Part 15B Compliant
Industry Canada Compliant
EMC compliant for a ground vehicle environment
Operating Voltage Range
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