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Model ER4000

Electrical Resistance Probe
Retractable with Packing Gland and Loop Element

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Model ER4000 is a retractable, electrical resistance probe commonly used in field and plant applications. A specially designed packing gland is used with the probe for insertion into or retraction from a pressurized system without a process shutdown. Standard packing material in the packing gland is Teflon®. Grafoil packing can be provided if requested. When the probe element requires replacement, the packing gland assembly may be reused. (Probe packing should also be replaced at this time.) The probe is designed to mount onto a 1" piping system, but can easily be adapted to fit your specific requirements. The probe assembly consists of a replaceable insertion rod with an element, a hermetically sealed connector welded in place, and a packing gland. A safety chain and safety nut are also provided to prevent blowout. A velocity shield can be added to the assembly if required. The insertion length (I.L.) is calculated to the end of the shield or to the end of the element if a shield is not present. Probe length can be specified by the customer. For standard probes, the maximum insertion length is given in the chart below. Several standard elements are available to meet your specific needs.

Specifications:

Probe Body - 316 Stainless Steel
Element Seal - Glass or Teflon®
Fill Material - Ceramic
Temperature Rating - 500° F / 260° C
Pressure Rating - 2000 PSI / 138 Bar
Mounting - 1" Full Port Valve (Min.)

Std. Length I.L. (max)
24" 17.60"
30" 23.60"
36" 29.60"
42" 35.60"

The Easy Tool is required for probe insertion or retraction in systems with pressure over 150 pounds.


Related Documents

 Easy Tool
 Safety Chain Instructions
 Packing Gland Instructions
 Length Calculation for Retractable Probes
 Canadian Registration Numbers (CRNs)


ER4000 Ordering Information

Model
ER45 - Electrical Resistance 1" Female NPT Probe, Packing Gland with Teflon®
ER75 - Electrical Resistance 1" Female NPT Probe, Packing Gland with Grafoil
ER00 - Electrical Resistance Replacement Insertion Rod
  Probe Body Material
2 - 316
4 - C276
  Packing Gland Material
0 - NA (replacement insertion rod)
2 - 316
4 - C276
  ER Element Options
00 - WR40 Wire Loop - 40 mil thickness (10 mil useful probe life)
10 - WR80 Wire Loop - 80 mil thickness (20 mil useful probe life
20 - TU04 Tube Loop - 4 mil thickness (2 mil useful probe life)
30 - TU08 Tube Loop - 8 mil thickness (4 mil useful probe life)
80 - SL05 Strip Loop - 5 mil thickness (1.25 mil useful probe life)
90 - SL10 Strip Loop - 10 mil thickness (2.5 mil useful probe life)
  Seal Type
1 - Glass
2 - Teflon®
3 - Epoxy
  Length
24 - 17.60 inches max. insertion length
30 - 23.60 inches max. insertion length
36 - 29.60 inches max. insertion length
42 - 35.60 inches max. insertion length
  Element Alloy
  ER Probe Options
00 - No shield
01 - Shield, coupon adapter (118), hardware
02 - Shield, coupon adapter (220), hardware
03 - Shield
Your Part Number


Description:

Quantity:


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.)
* Chemically equivalent to standard pipe-grade carbon steels.

Teflon® is a registered trademark of DuPont.
 
  Metal Samples Company
P.O. Box 8
152 Metal Samples Rd.
Munford, AL 36268
Phone: (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 © 2019