20110810_iMeter_guidelines.doc
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10/08/2011
Type of pulse captor
function
pulse
captor
iMeter
GND
brown
brown
Itron Cyble 2 wires
Pulses (BF)
white
white
GND
brown
brown
Pulses (AF)
grey
white
Direction
yellow
yellow
Itron Cyble 5 wires
Cable cut
detection
green
green
GND
brown
brown
Sensus HRI-A1
Pulses (I1)
white
white
GND
black
brown
Pulses
yellow
white
Direction
white
yellow
Elster PR6-PR7
Cable cut
detection
brown
green
GND
brown
brown
Pulses
white
white
Sappel Pulsar 3 wires
Tamper
green
green
GND
brown
brown
Pulses
white
white
Direction
yellow
yellow
Sappel Pulsar 4 wires
Cable cut
detection
green
green
Table 1. iMeter and pulse captor connections by brands and models
The wiring must be done waterproof, using proper water protection connections. That is up to the
installer but we recommend making them with waterproof gel connectors, and placing the
connection inside a plaster waterproof box, with a high IP.
Notice that, in some cases the iMeters are manufactured directly connected to the pulse captors. In
this case there is no need to care about the connections, as they are already done and waterproof.
At this point the iMeter is connected to the pulse captor. The pulse captor must be placed on the
water meter. Each brand of meters has its own fixing system which normally is done by a screw on
the meter front.