User Manual

CellNet Pit MIU Master Rev. 1.0

04/14/99 3:13 PM

OPERATIONS OVERVIEW

The CellNet-Ready Pit MIU (ProRead Only) collects meter readings from the encoder register on

an hourly basis and transmits the information every fifteen minutes. This redundant transmission

of the same data four times an hour increases the reliability of the data to be received by the fixed

network MCC.

1-4

SPECIFICATIONS

Electrical Specifications

Transmitter Specifications

Environmental Conditions

Encoder Register Interface

Table 1.2 Electrical Specifications

Battery 3.6V D size Lithium

Transmit Period Every 15 min

Table 1.3 Transmitter Specifications

Spread Spectrum Direct Sequence

Carrier Frequency 902-928 MHz

FCC Verification Part 15.247

Table 1.4 Environmental Conditions

Operating Temperature -22° to 149°F (-30° to 65°C)

Storage Temperature -40° to 185°F (-40° to 85°C)

Operating Humidity 0 to 95% Condensing

Table 1.5 Encoder Register Interface

Encoder Register Maximum Cable Length

Schlumberger PRO-READ* 500 feet (152 meters)

* Meets manufacturers’ published specification for wire length between encoder and remote receptacle.

Dimensions and Weight

Table 1.6 Dimensions and Weight

Dimensions Refer to following figures

Weight approximately 2.2 LB (1044 grams)