LFW21 Temperature Transmitter

LFW21 temperature transmitter uses a high-resolution and high-precision temperature sensor as the measuring element. The amplifying circuit is located in a 304 stainless steel housing to convert the sensor signal into an analog signal for output. This product is widely used in temperature measurement at industrial sites such as petroleum, chemical industry, electric power, hydrology, etc.

Measuring medium Liquid or gas, etc. (compatible with contact materials)
Measuring range -50~200? (see range parameter selection table for details)
Output signal 4~20mA/0-10V/PT100/PT1000
Supply voltage 15~33VDC
Accuracy 0.5%F.S.
Working environment -40~85?, 0~95%RH (no condensation)
Shell material 304 stainless steel probe rod and casing, ABS Hirschmann connector
Protection level IP65 (without display), IP54 (with display) Note: The above protection level refers to the level achieved after the electrical connection is complete.

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certified worldwide

Lefoo develops and manufactures reliable, high quality pressure and temperature control products. It offers innovative solutions and components that meet the requirements of the most varied applications.

Successful and enduring presence in North America, Europe, Asia, Australia and South America, further enhanced by the prestigious TUV ISO 9001: 2008 certification and many other specific product approvals, prove that Lefoo is a qualified international manufacturer capable of meet the most diverse and demanding technological requirements.

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  • TUV certificate to pressure operating control - LF10 Pressure Switch.
  • UL Certification - Controllers, Refrigeration certified for Canada.
  • TUV certificate to pressure operating control - LF20 Pressure Switch.
  • UL Certification - Component Pressure Switche LF08.
  • UL Certification - Switches Certified for Canada - Pressure Switch LF16, LF16-1.
  • UL Certification - Motor Controllers, Float and Pressure operated Certified for Canada.
  • ISO 9001.