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-2-
"U"
bolts should bolt to the heavy PVC mounting feet.
"U"
bolts and nuts.
The
-
attachment to a round pipe requires
#lO
screws and nuts.
2.3 Pipe Mounting
-
mounting to a flat surface requires the heavy PVC mounting
feet be attached to the box.
The surface should be drilled and the
feet mounted with
3/4").
Cut the threaded male portion to allow room for the circuit board.
2.2 Flat Surface
l/2"
or
-
the unit can be supported by ridged conduit using
the appropriate size hubs in the ends of the box (ie:
phillips
head screws in the bottom
of the enclosure.
2.1 Conduit Mounting
.
2.
Mounting
2.0 Before mounting the signal conditioner enclosure, remove the assembled
circuit boards by removing the two
-
INSTALLATION
1.
Unpacking
After unpacking, remove instrument cover,
remove shipping ties or clamp.
Note any special instructions included in the package.
pH.
PART II
pH
unit, for example 6
to
7
pH
range or as little as 1
mA
output on command.
The user can change the range of output signal by utilizing jumpers on one of
the circuit boards and adjusting the zero and span pots.
The 4 to 20mA output
can be for the full 0 to 14
pH
level is constantly displayed on a 3% digit L.C.D. A push button switch
allows the display to indicate the
D-C.
power supply from 12 to 80 volts may be used.
The input is iso-
lated from the output to prevent accidental damage of sensitive data gathering
equipment at the control location.
The
pH
probe via a BNC co-axial connector.
It transforms the probe signal to a 4 to 20mA D.C. signal that may be transmitted
over 2-wires to a control location. The signal wires also provide power to the
transmitter.
The output is monitored by placing a load resistor in the current
loop.
Any
pH/ORP
transmitter featuring input-out-
put isolation,
wide power supply range, high input impedance, LCD digital display,
modular construction, programmable span selection,
manual/automatic temperature
compensation and a NEMA
4X
housing as a standard enclosure.
The Model PHTX-11 accepts as its input any
OMEGAmModel PHTX-11 is a 2-wire
-
INTRODUCTION
General
description
The
PART I