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COMET Pt1000TR125/0 Cryogenic Probe -190 to +150 °C

COMET Pt1000TR125/0 Cryo Probe –190 to +150 °C

The COMET Pt1000TR125/0 (TR125B Pt1000/3850) is a true universal cryogenic and high-temperature immersion probe with one of the widest measuring ranges on the market: from –190 °C (liquid nitrogen) to +150 °C. This means one single probe can practically cover all applications – from cryogenics and deep-freezing to laboratory, medical, and research use, as well as heating, hot water, and industrial processes.

The robust stainless-steel housing and the high-temperature and cryogenic-resistant, shielded Teflon cable allow for permanent use in liquids, gases, and on surfaces. The probe is completely IP67-tight and can remain permanently in water, glycol, oil, LN₂, or other non-aggressive media.

The Pt1000 sensing element in Class A guarantees the highest accuracy over the entire wide temperature range and remains stable even under extreme conditions. The probe is supplied without a connector. It can be connected directly to COMET transmitters (T4411, T3419, P8510, etc.), data loggers, or any PLC with a Pt1000 input.

Whether monitoring liquid nitrogen tanks, deep-freeze storage, ovens, hot water tanks, or laboratory equipment – with the TR125/0, you only need one probe type.

Why the COMET Pt1000TR125/0 is the ultimate universal probe:

  • Gigantic measuring range –190 to +150 °C – one probe for almost everything
  • Cryo-capable down to liquid nitrogen – perfect for LN₂ applications
  • Pt1000 Class A – highest accuracy across the entire range
  • Stainless steel housing + Teflon cable – extremely temperature-resistant
  • Completely IP67 sealed – permanently submersible
  • Fast response time – ideal for control and alarm systems
  • Shielded silicone cable – remains flexible between –190 °C and +150 °C
  • Without connector – freely configurable
  • Universally applicable – laboratory, medical, industrial, heating, cryogenic
  • Made in EU – SENSIT / COMET premium quality

Technical data:

  • Measuring range: –190 °C to +150 °C
  • Sensing element: Pt1000/3850 ppm/°C, Class A
  • Connection: 2-wire, without connector
  • Housing material: Stainless steel
  • Cable: Teflon, shielded, cryogenic and heat-resistant
  • Cable length: according to selection
  • Protection class: IP67 – permanently submersible
  • Application: gaseous, liquid, and solid media
  • Manufacturer: SENSIT s.r.o. (COMET System Partner)

Typical applications:

  • Liquid nitrogen tanks (LN₂)
  • Deep-freeze and shock-frost storage
  • Medical and pharmaceutical cryo storage
  • Laboratory and research cooling
  • Heating, hot water, and solar systems
  • Process monitoring in chemical and food industries
  • Cryo preservation and biobanking
  • Universal temperature measurement in extreme environments

Installation:

Immerse, screw in, or fasten with a clamp. The Teflon cable remains flexible and functional even at –190 °C to +150 °C – ideal also for very low temperatures.

Available versions:

  • Cable length 1 meter
  • Cable length 2 meters
  • Cable length 5 meters
  • Cable length 10 meters

Summary:

  • Multipurpose thermometer, waterproof (IP67), –190 to +150 °C
  • Accuracy class B
  • Stainless steel 17240 with Teflon cable in the above lengths, without connector
  • Probe: diameter 5 ± 0.1 mm, length 50 mm
  • The design allows faster response to temperature changes compared to sensors with a protective tube.

Scope of delivery:

  • Sensor with selected cable length (as above)
  • User manual including warranty certificate
Datasheets
Datasheet 1

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Datasheet 1 (243.27 KB)

Temperature Sensor Pt1000TR125/0, without connector

Sensor data

  • Sensor type: Pt1000 / 3850 ppm / °C
  • Accuracy class: ±(0.3 + 0.005·|t|) °C
  • Connection type: Four-wire configuration
  • Measuring range: −190 to +150 °C
  • Power supply: SELV or PELV
  • Max. / recommended measuring current:
    • Class A: 0.5 mA / 0.2 mA
    • Class B: 0.8 mA / 0.3 mA
  • IP protection: IP67 according to EN 60529
  • Response time: τ0.5 < 5 s (in flowing water > 0.2 m/s)

Housing & material

  • Material: Stainless steel DIN 1.4301
  • Diameter: 5.0 ± 0.1 mm
  • Impulse withstand voltage: 500 VAC according to EN 60730-1
  • Insulation resistance: > 200 MΩ at 500 VDC, 25 ± 3 °C
  • Max. external pressure resistance: 2.5 MPa

Cable

  • Type: Shielded PTFE cable, 4 × 0.14 mm²

Weight

  • 0.5 kg / 1 m

Operating conditions

  • Cable temperature range: −190 to +150 °C
  • Relative humidity: 10 to 100 %
  • Atmospheric pressure: 70 to 106 kPa

Storage conditions

  • Ambient temperature: 5 to 40 °C
  • Humidity: 5 to 85 %

Manufacturer Information:

COMET SYSTEM, s.r.o.

Bezručova 2901

756 61 Rožnov pod Radhoštěm
Czech Republic

Phone: +420 571 653 990

Email: info@cometsystem.com

Responsible person:

Didactum® Security GmbH

Marsweg 17

48163 Münster
Deutschland

Fon: (+49) 250 19 71 63 54 / (+49) 171 33 11 577

Email: info@didactum-security.de

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