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Model LP7210

Linear Polarization Resistance Probe
Retrievable with Flush Mount 3-Electrode Endcap
for High Pressure (HP™ and MH™) Access Systems

View data sheet (PDF)


Model LP7210 is a fixed-length, flush-mount, three-electrode, retrievable, linear polarization resistance probe for use with HPTM and MHTM high pressure access systems. These probes are ideally suited for applications where the probe electrodes need to be flush with the wall of the pipe. The probe assembly consists of an insertion rod, a flush-mount three-electrode endcap, and a six-pin military connector. The hollow plug nut on the probe screws into the hollow plug of the access system. This allows the probe to be installed in the process, using a retriever tool and service valve, without process shutdown. The probe's three-electrode endcap is filled with an epoxy seal. Electrodes are not replaceable. The insertion length (I.L.) can range from a minimum of 1.75" up to any length specified by the customer in 1/8" increments, using the formula: 

I.L. = PD + WT + 1.75"
(where PD = penetration depth, WT = wall thickness)
For top-of-the-line, flush-mount monitoring, PD = 0.

Note: Formula valid for access fitting heights of 5.25" (HP) and 5.5" (MH).


Probe Body - 316 Stainless Steel
Endcap Seal - Epoxy
Fill Material - Epoxy
Temperature Rating - 500° F / 260° C
Pressure Rating - 3600 PSI / 245 Bar
Mounting - High Pressure (HP or MH) Access System with Hollow Plug

LP7210 Ordering Information

HL - Linear Polarization Three-Electrode Probe for High Pressure Access Systems
  Mounting Material
2 - 316
3 - C276
  Connector Type
2 - Standard Connector
  LP Electrode Options
4 - Three-electrode integral flush type
6 - Three-electrode integral flush adjustable type
Seal Type
1 - Epoxy
  Length (Round calculated length to nearest 1/8")
Enter length in inches, stated in 2 decimal place format (Example: 6 1/8" = 0612) Click here to open Length Calculator
  Electrode Alloy

Your Part Number



This list represents our most common options.  Many other sizes, alloys, and options are available.
Please contact your Metal Samples sales representative if you do not see what you're looking for.
(Note: Not all alloys are available with all element types and seals.)

Metal Samples Company

P.O. Box 8
152 Metal Samples Rd.
Munford, AL 36268

: (256) 358-4202
Fax: (256) 358-4515

E-mail: msc@alspi.com

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Metal Samples Company is a division of Alabama Specialty Products, Inc. - Copyright © 2024