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Freezer Liquid Nitrogen or Liquid Carbon Dioxide
Cryogenic Temperature Monitor/Alarm.

Model T 140-200R: Product Information

Model T140-200R, Liquid Nitrogen and Carbon Dioxide Cryogenic Temperature/Level Monitor and Alarm System.


  • Based on features and options of Model T 140.
  • Standard temperature range -200°C to +50°C.
  • Audio alarm mute.
  • Adjustable/displayable hi/low temperature alarm settings and initial alarm delay period.
  • SPDT alarm contact output with adjustable delay period.
  • Wireless and wired integratation into Model AMS remote Ethernet data logger and alarm notification system.
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Product Overview:

The T Sentry 140-200R is a single probe temperature monitoring/alarm system with a Type "T" thermocouple embedded in a 3.0-inch long stainless steel sheath. This particular configuration of probe and monitor is excellent for accurately measuring the temperature/level of cryogenic fluids - such as liquid nitrogen (LN2) and carbon dioxide (C02) - in dewars, freezers and other cryogenic containers.

This unit helps technicians maintain safe continuous cold-chain conditions in applications involving the use of viruses, biological tissues, IVF, genetic laboratory research, biopharma research and related applications.

Video: Setting Up and Using the T 140 Series.

The T Sentry 140-200R is wall-mountable, approximately 5" wide x 4.25" high x 1.75 deep and uses a small plug-in power supply for operation.

The unit can be used in a "stand-alone" mode or be integrated into our AMS, PC-based Ethernet network data logger/alarm notification system (using wired and/or wireless connections). This allows you to choose (at any time) between basic monitoring and alarm notification versus full remote network data logging and analysis (to meet Federal and State safety compliance guidelines and carry out statistical process control).

Also, since data portability and security are important for most users, we do NOT lock you into a cloud storage solution as an up-sell. There are many SaaS solutions available and we prefer to allow you to make this important decision based on your needs.

T Sentry 140-200R Documentation:

T Sentry 140-200R - Pricing

T Sentry 140-200R - Brochure

T Sentry 140-200R - Manual

Warrany, Shipping and Return Info


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