User's Manual
CHAPTER 3 VRT DIRECT GAS-METER TRANSPONDER OVERVIEW
VRT Gas Transponder ― User Guide Page 11
AMCO Automated Systems
•
P/N 52870T010 Rev 1 May 2003
Specifications
The following table shows the specifications of the VRT Direct Gas-
meter Transponder:
VRT DGT Specifications
Power One (1) lithium–thionyl chloride 2750 mAmp-hours; 20 years calculated
life under normal working conditions. The battery can be easily
replaced in the field.
FCC Compliance Part 15, Subpart C: A user license is not required (FCC ID G8JVRT01)
RF Transmitter 414.5 MHz, +.05, -1.0 MHz; 4,000 uV/m @ 3m.
RF Receiver 451.35 MHz; -70 dBm sensitivity
Materials
• Housing: high-impact plastic, weatherproof, UV protected for
outdoor installation.
• Circuit-card assembly: conformal-coated
• Corrosion–protected external-housing screws
Operating
Temperature Range
-22°F to 158°F (-30°C to 70°C)
Storage Temperature
Range
-40 °F to 185°F (-40°C to 85°C)
Humidity 5-95% Relative (non-condensing)
Weight 6 oz. Excluding index and index cover.
Serial Numbers Up to eight digits, starting at 6500000