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Alternative article: TM9950 – Product comparison: TM9900 / TM9950
Note any deviating technical data for the selection of the alternative article and the accessories.
Discontinued article
Date of discontinuation: {{"2016-03-31T00:00:00.000+02:00" | date}}


Temperature sensor with process connection

TM-045-BTM18 /US

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Dear customer,
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Best regards
Your ifm team

  • Precise temperature measurement in containers, tanks and pipes
  • For the connection to an evaluation unit
  • Very short response time for use in processes with fast temperature fluctuations
  • Robust stainless steel housing with high protection rating and high pressure resistance
  • Variable process connection using adapters
  • cul
Technische Details
Product characteristics
Measuring range
-40...125 °C -40...257 °F
Process connection threaded connection M18 x 1,5 Internal thread
Installation length EL [mm] 60
System gold-plated contacts
Measuring element 1 x Pt 100; (to DIN EN 60751, class B)
Media liquids and gases
Pressure rating [bar] 300
Minimum installation depth [mm] 15
Electrical data
Protection class III
Measuring/setting range
Probe length L [mm] 44
Measuring range
-40...125 °C -40...257 °F
Accuracy / deviations
Accuracy [K] ± (0,30 K + 0,005 x |t|)
Reaction times
Dynamic response T05 / T09 [s] 1 / 3; (according to DIN EN 60751)
Operating conditions
Ambient temperature [°C] -25...80
Storage temperature [°C] -40...100
Protection IP 68; IP 69K
Tests / approvals
MTTF [years] 22831
Mechanical data
Weight [g] 66.8
Material stainless steel (1.4404 / 316L)
Materials (wetted parts) titanium (3.7035)
Process connection threaded connection M18 x 1,5 Internal thread
Probe diameter [mm] 8.2
Installation length EL [mm] 60
cULus - Class 2 source required
The values for accuracy apply to flowing water.
Notes Discontinued article
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm efector, inc. • 1100 Atwater Drive • Malvern • PA 19355 — We reserve the right to make technical alterations without prior notice. — EN-US — TM9900-00 — 21.01.2011 —