Temperature Control Perfected: Inside the JULABO PURA Water Bath

Temperature Control Perfected: Inside the JULABO PURA Water Bath

Overview

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  • Source: SRICO

  • Date: 09 Oct,2025

The JULABO PURA series is a modern line of laboratory water baths designed for precision, safety, and ease of use. These units are made to support a range of temperature-controlled tasks—routine or demanding—while offering durability and intuitive operation.

Their temperature range (usually from ~ +25°C up to ~ +99.9 °C) makes them suitable for many lab processes.

Features

  1. Temperature Stability: ± 0.15 °C, helps with reproducibility and sensitive samples.
  2. Timer Function: Integrated timer, so heating periods can be set and monitored.
  3. Dryrunning protection: Prevents damage if water level drops too low.
  4. Splash-protected mains switch: Safety around moisture.
  5. Drain screw (except PURA 4): Makes draining the bath easier and cleaner.
  6. Ergonomic design: Recessed side grips for moving; non-slip rubber feet for stability; smooth interior to avoid interfering parts.
  7. Bright LED display: Easy to read, and models provide notifications/reads clearly (°C/°F) etc.
  8. Accessories: Removable platform; bath covers; special edges to guide condensed water back into bath; optional drain pans etc.

Focus Products:

  1. PURA 4: The smallest model. Simpler, no drain screw. Good for small-volume tasks.
  2. PURA 10: Mid‐size bath; ~1.4–5 L fill volume, depth ~14 cm.
  3. PURA 14: Larger capacity (~14 L), greater heating power.
  4. PURA 22: ~25.5 L fill volume, strong heating (≈2 kW), large usable bath opening.
  5. PURA 30: The largest in this lineup (up to ~36 L), for higher capacity tasks.

Benefits

  1. Precision & Reliability: Tight temperature control and stability promote repeatable experiments.
  2. Durability: Use of corrosion-resistant materials, robust construction makes them suitable for constant use.
  3. Ease of use / Maintenance: Features like drain screw, protection against dry run, easy clean surfaces, etc., reduce labour and potential downtime.
  4. Safety: Splash protection, stable footing, safe electrical design.
  5. Versatility: Wide volume options, ability to handle many types of standard lab tasks (incubation, heating, sample preparation).

Applications

  1. Incubation of samples at controlled temperature
  2. Chemical reactions that require steady heat
  3. Biological sample treatments (e.g. heating, thawing, etc.)
  4. Material testing (e.g. thermal exposure)
  5. Quality control in food, beverages, dental labs, etc.
  6. Routine heating or sample preparation tasks

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