Instruction Manual

Versions
20
6. VERSIONS
The following table summarises the features of each of the different versions of
the Model 202D:
Model Number 202D.X0 202D.X3 202D.X4
Version
Battery powered
version
DC powered
version
Loop powered
version
Power
Lithium batteries
DC powered;
9-28Volts at
4mA maximum
Loop powered;
9-28 Volts with
4-20mA out
Output
None
Alarms - two open collector outputs
OR
Pulse output and low flow alarm
Supply Backup
None Lithium batteries Lithium batteries
Where X denotes the mounting options and will be replaced by one of the
following numbers:
0 No holes drilled for cable entry
1 Panel mount
2 Wall mount (standard)
4 Turbine adaptor
6 2" pipe mount (galvanised)