22 Hz ELECTROMAGNETIC TRANSMITTER USER GUIDE
Page 10 of 52
OVERVIEW
In addi on to ba ery conserva on, deployment of di
ff
ering transmi er
pa erns enables you to dis nguish one pig from another when a run
involves mul ple pigs in a train.
“
Delay ON”
In addi on to pulse pa erns, CD42-Tx transmi ers may be factory
programmed for an op onal delay of anywhere from 10 minutes to
several months before they transmit. This feature is useful for when
the pig is loaded into the launcher but may not actually be launched for
some days.
Pressure Ac
Ɵ
va
Ɵ
on
T1A, T1AHP, T1AVHP, and T4 transmi ers may be ordered or retro
fi
ed
with an op onal Pressure Ac va on Switch (see pg. 39).
SWX modules may be set for Latching (transmi er stays on once
ac va on pressure is reached) or Non-Latching (transmi er ON state
follows pipeline pressure; i.e., will turn on or o
ff
depending on pressure).
Summary of Contents for CD42-T0
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