Liquid Bath Calibrator

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When it comes to precise thermal calibration, liquid bath calibrators are unmatched. Tempsens delivers top-quality temperature bath calibrators, engineered for both lab and field use. Need furnace-grade calibration or portable, on-site checks? The Tempsens liquid bath series has you covered. 

For even more demanding processes, Tempsens’ high-temperature calibrators ensure accurate sensor verification in extreme environments—perfect for industries like metallurgy, glass, cement, and aerospace. Built tough with advanced control systems, these solutions guarantee lab-level accuracy in the harshest settings. With Tempsens, your sensors are always calibrated to the strictest standards, meeting ISO, GMP, and audit-ready criteria.

Liquid bath calibration is a trusted and highly accurate method for validating temperature sensors such as Rezystancyjny czujnik temperatury, and termopary. In this process, sensors are immersed directly into a stirred liquid medium—typically methanol, water, or silicone oil—ensuring excellent thermal contact with no air gaps. This uniform thermal environment enables extremely stable and repeatable calibration results, especially across a broad temperature range of -80°C to +250°C. Because of its deeper immersion capability and reduced temperature gradients, liquid bath calibration is preferred in laboratories and industries where precision is non-negotiable.

Uses of Liquid Bath Temperature Calibrator

Temperature calibration bath is the desired choice in applications where:

• Direct fluid exposure and immersion to a great depth are required
• Several sensors have to be calibrated at once
• More accurate or safer than metal blocks

 With Tempsens’ leading-edge liquid bath calibration systems, you eliminate the heat transfer problems inherent in dry blocks — achieving quicker stabilization, better uniformity, and complete probe compatibility.

Key Features of Tempsens Liquid Bath Calibrators

• Wide temp bath range: Generally from –80°C to +250°C (model dependent)        

• Stabilność: ±0.03°C or better throughout the bath volume    

• Capacity for large volume: Accommodates multiple sensors simultaneously        

• Stirred bath mechanism: Provides even temperature distribution

• Integrated: reference probe input.

• Digital PID controller: for precise setpoint control.

• Portable liquid bath calibrator or bench-top unit option (depending on the model)

• Oil bath for temperature calibration offered for high-temperature applications

• Autokalkulacja models are available for every product as per request

Tempsens ensures that all temperature baths meet worldwide standards, so it will work for calibration labs, field service teams, and OEM test environments.

Applications for Liquid Bath Temperature Calibration

Calibrate Sensors with a Liquid Bath Calibrator

1. Heat or cool the liquid medium to the desired temperature.
2. Insert the imprecise sensors in the bath alongside a reference element. 
3. Provide thermal stabilisation in controlled circulation

within the liquid bath

4. Measure sensor output against reference standards
5. Create and store calibration reports (optionally through

software)

Tempsens also offers training and documentation for groups intending to master correct sensor calibration methods.

Why Tempsens?

Tempsens is among the top liquid bath calibrator manufacturers and suppliers, delivering not just equipment but complete temperature calibration solutions.

We offer:

• In-house R&D

• Customisation for special ranges and probe sizes

• NABL-certified calibration

• Global supply and support
• 40+ years of sensor and calibration expertise