JUMO 902550 Surface RTD Temperature Probe with Connecting Cable Data Sheet User Manual

Rtd surface temperature probes, Technical data

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Data sheet 90.2550 (90.2522)

Page 1/4

2011-01-31/00311506

JUMO GmbH & Co. KG
Delivery address: Mackenrodtstraße 14,

36039 Fulda, Germany

Postal address:

36035 Fulda, Germany

Phone:

+49 661 6003-0

Fax:

+49 661 6003-607

E-mail:

[email protected]

Internet:

www.jumo.net

JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow - Essex CM20 2DY, UK
Phone: +44 1279 63 55 33
Fax:

+44 1279 63 52 62

E-mail:

[email protected]

Internet: www.jumo.co.uk

JUMO Process Control, Inc.
8 Technology Boulevard
Canastota, NY 13032, USA
Phone:

315-697-JUMO
1-800-554-JUMO

Fax:

315-697-5867

E-mail:

[email protected]

Internet: www.jumo.us

RTD surface temperature probes

Temperature range from -50 to +260°C
With probes made of various materials
For round and level surfaces
Easy and quick installation
Low thermal mass

RTD surface temperature probes are used for measuring temperatures on closed pipework and/
or other round or level surfaces. Versions 902522/10 and 902522/11 can be attached to any sur-
face, for example a heating platen, via their mounting holes. The remaining versions avoid the
necessity for mechanical modification of the measurement location due to their easy installation
via cable ties or hose clamps.

An advantage to the indirect method of temperature measurement is that disruption of the flow
stream is avoided. Additionally, the life of the RTD is not shortened by the effects of either pres-
sure or chemicals.

The low thermal mass of the sensor means that there is very little influence of the sensor on the
measured object. Thermal conductance paste is available to improve heat transfer. Large dif-
ferences in temperature between the measured medium and the surrounding ambient air will
influence the measurement; in such cases, we recommend additional insulation around the sen-
sor.

The measurement insert is normally fitted with a Pt 100 temperature sensor as per DIN EN
60751, Class B in 2-wire circuit; versions with Pt 500 or Pt 1000 can also be supplied.

Technical Data

Connection

Various cable termination types are available: tin-plated, with ferrules, contacts or multi-pole
connectors

Cable

Silicone, ambient temperature -50 to +180°C
PTFE, ambient temperature -190 to +260°C
Kapton, ambient temperature -50 to +260 °C

Thermowell

Stainless steel 1.4571 (equivalent to SS316 Ti), aluminum, plastic

Measuring insert

Pt 100 temperature sensor, DIN EN 60 751, Class B, two-wire circuit

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