Omega Products ORE-600 Installation Manual

User’s Guide

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PHE-600/610 ORE-600/610

Differential pH & ORP Probes

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TABLE OF CONTENTS

1.0 SPECIFICATIONS 2

2.0 INSTALLATION 3

2.1 General Instructions 3

2.2 Submersion Mounting PHE-600/ORE-600 Differential Probes 3

2.3 Submersion Mounting PHE-610/ORE-610 Differential Probes 4

2.4 Flow-through tee mounting PHE-600/ORE-600 Differential Probes 4

2.5 Flow-through tee mounting PHE-610/ORE-610 Differential Probes 4

3.0 SERVICE AND MAINTENANCE 5

3.1 Probe Cleaning 5

3.2 Replacement of Salt Bridge for PHE-600/ORE-600 Differential Probes 5

3.3 Replacement of Salt Bridge for PHE-610/ORE-610 Differential Probes 6

4.0 TROUBLESHOOTING AND SERVICE 7

4.1 Checking 5-wire Differential Probes PHE-600/610 and ORE-600/610 7

5.0 DRAWINGS 8

5.1 N106-154 PHE-600/ORE-600 DIFFERENTIAL PROBES 8

5.2 N106-155 PHE-610/ORE-610 DIFFERENTIAL PROBES 9

5.3 N105-122 INSTALLATION OF PHE-600/ORE-600 DIFFERENTIAL PROBE 10

5.4 N105-123 INSTALLATION OF PHE-610/ORE-610 DIFFERENTIAL PROBES 11

5.5 N106-158 INSTALLATION OF SALT BRIDGE IN A PHE-610/ORE-610 DIFFERENTIAL PROBE 12

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1.0 SPECIFICATIONS

MEASURING RANGES:

pH: 0 to 14.00 pH
ORP: +

WETTED MATERIALS:

PHE-600/610/620: CPVC, ceramic, glass,

ORE-600/610/620: CPVC, ceramic, glass,

TRANSMISSION DISTANCE:
5-wire Probes: 900 meters (3000 ft.)

SENSITIVITY: pH: Less than 0.005 pH

ORP: Less than 0.1mV

STABILITY: 0.03 pH / 2mV per day,
non-cumulative

PRESSURE LIMIT: 100 psig

TEMPERATURE LIMITS: 95°C (203°F)

PROBE CABLE: 15 ft. (4.6 m)

AUTOMATIC TEMPERATURE
COMPENSATION:

-5 to 95°C (23 to 203°F)

2000 mV

titanium palladium alloy and EPDM

titanium palladium alloy, EPDM, and
platinum

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2.0 INSTALLATION

2.1 General Instructions

2.1.1 Specific instructions for each type of probe are given in the following pages.
Common to all probes are the following instructions:

a) If the distance between the probe and the instrument is such that a direct

connection is not possible, the probe cable should be routed to a junction box
with a terminal strip (PHE-600-JB). The box should be well sealed and away
from corrosion danger. Be sure that you have sufficient slack cable to allow for
probe removal for calibration and servicing.

b) Route the interconnect cable from the junction box to the instrument, preferably

in metal conduit. Do not run the power cable or control cables in the same
conduit with the probe interconnect cable.

c) Remove the protective plastic caps from the end of the probe before placing in

service.

d) For best results probes should always be mounted vertically with electrodes

down. If this is not possible, the probe must be at least 15° above horizontal.

2.2 Submersion Mounting PHE-600/ORE-600 Differential Probes

Refer to Dwg# N105-122

2.2.1 a) Apply a thread sealant to the thread on the cable end of the probe and screw a

1-1/2” x 1” NPT reducer onto the probe. Route the sensor cable through an
appropriate length of 1” pipe and using thread sealant, screw the pipe into the
reducer. The cable end of the probe should not be exposed to the process. A
cable strain relief fitting should be used on the upper end of the pipe.

NOTE: An optional protective shroud, Part No. PHE-600-EP should be used on the

electrode end of the probe to protect the electrodes from accidental contact
with the tank bottom, sides or objects in the process.

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