SA857 Retractable DynaProbe pH Sensor Housing
SA857 valve retraction pH sensor housing

SA857 DynaProbe Sensor Housing for Valve Retraction Applications

B2–LS104–020–M30

B5-13202-5T7

B5-11005-07-J

B2-LS103-015-M30

B4-21006-020-M10

B4-35005-020-M10

B4-41001-2T9-M10

B4-21005-015-M10

B4-35004-015-M10

B4-31024-8T9-B06

B4-31004-8T9-B06

B4-32023-5T7-B03

B4-21004-007-M10

B4-35002-005-M10

B4-31003-5T7-B06

B4-53004-020-M10

B4-22005-020-M10

B4-12004-020-M10

B2-LS202-020-M69

B5-11315-020

B5-11007-20-R

B4-82004-8T9-M27

B4-53003-015-M10

B4-22004-015-M10

B4-12003-015-M10

B4-44002-8T9-M27

B4-42002-8T9-M27

B4-72003-8T9-M27

B4-32005-8T9-B03

B4-32004-8T9-B03

B2-LS201-015-M69

B5-11314-015

B5-11006-15-R

B5-13103-8T9

B5-12103-8T9

B5-11355-07J

B4-21002-003-M10

B4-31002-2T3-B06

B4-35001-2T3-M06

B4-53002-007-M10

B4-22003-007-M10

B4-12002-007-M10

B4-32003-5T7-B03

B2-LS102-007-M30

B5-11313-007

B5-11004-07-R

B4-22002-005-M10

B5-11312-005

B5-11003-05-R

B5-13102-5T7

B5-12102-5T7

B5-11321-03J

B5-11002-03-J

B5-13201-003

B4-82002-2T7-G34

B4-82001-2T7-M18

B4-81003-2T9-M12

B4-81002-2T9-M10

B4-81001-2T3-M06

B5-51001-2T9-006

B4-53001-2T5-M10

B4-23001-2T9-M10

B4-22202-015

B4-22001-003-M10

B4-12001-2T5-M10

B4-44001-2T7-M18

B4-42001-2T7-M18

B4-72002-2T7-G34

B4-72001-2T7-M18

B4-32002-2T3-B03

B2-LS101-2T5-M30

B5-11311-2T3

B5-11001-03-R

B5-13101-003

B5-12101-003

The Model SA857 is a sensor housing assembly designed for use with the replaceable Model ST857 DynaProbe® sensors. This time-proven sensor housing is suited for the most severe process industry applications and is intended for valve retraction service. The Coupler is constructed from chemically resistant Kynar (PVDF). 316 SS is the standard material of construction for all other parts of this assembly. An optional Titanium version is available.

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An assortment of insertion lengths are available from 2 inches to 27 inches. Viton O-ring seals are incorporated throughout this housing to prevent damage to the sensor and to retard process seepage during insertion and retraction procedures. The sheath is designed with blow-out protection, should the compression fitting be loosened at the process operating pressure. The SA857 sensor housing is designed with replaceable components providing simple and economic servicing. A completely illustrated instruction manual is supplied with each Model SA857.

Specification

pH Range: 0-14 pH (w/DynaProbe)

ORP Range: ± 5000 mV (w/DynaProbe)

Temp Range: 0 -120º C

Max Pressure/Temp: 100 psig at 90º C

Wetted Materials: 316 SS, Kynar (PVDF), and Viton O-Rings, with an optional Titanium Sheath version available

Please use this information to build your part number. If you need any assistance please call us on +44 (0) 1525 862 518.
Part No. 1 2 3 4 – 5 6 7
SA857 __ __ __  __ – __  __ __

1 — 4 Sheath Material and Insertion Length:

  • [6L07] 316 SS, 7 inches = standard length
  • [6L11] 316 SS, 11 inches
  • [6L15] 316 SS, 15 inches
  • [6L21] 316 SS, 21 inches
  • [TL07] Titanium, 7 inches
  • [TL11] Titanium, 11 inches
  • [TL15] Titanium, 15 inches
  • [TL21] Titanium, 21 inches
  • [TL27] Titanium, 27 inches

5 — 7 Junction Box:

  • [J01] Optional junction box sub-assembly
  • [J99] Junction box not required = standard design

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ST857 DynaProbes must be ordered separately

DynaProbe® pH and ORP Sensors must be Ordered Separately. Select the DynaProbe® sensor for pH or ORP (Redox) measurement which is compatible with the host pH/ORP Instrument. A wide selection of DynaProbe® sensors both with and without automatic temperature compensation are available for most makes and models of pH/ORP instruments. Refer to the ST857 DynaProbe® Data Sheet for detailed ordering information or call +44 (0) 1525 862 518 for assistance.

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