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Dry block calibrators (dry wells) are used in metrological calibration of the thermal and thermodynamic properties of temperature measurement equipment, like temperature sensors, thermometers and other measuring instruments.

Our dry block calibrators are designed to fully automate the process of temperature calibration and have a PC interface that allows them to connect to a computer and work with compatible software.

We have portable dry block calibrators that, due to their smaller sizes and lighter weights than the stationary laboratory calibrators, are best for in-field applications and can be used by engineers in a variety of industries.

For better metrological accuracy, every model or its modification is designed for a specific temperature range. In our catalog you will find calibrators for low temperature ranges down to -40C (-40F) and high temperature ranges up to 1200C (2192F).

Some dry block calibrators have an extended functionality and can also be used as a blackbody source, fixed point or liquid bath.

Isotech offers a variety of dry block calibrators designed for specific needs. Answering the following questions will help you select the appropriate dry well calibrator:

  1. What temperature range do I need to cover?
  2. What's more important to me, measuring the speed of changing temperatures or stability, capacity and immersion depth of the block?
  3. What basic accuracy do I need, or will I use a reference thermometer as my temperature standard?
  4. Would I like the flexibility to change my dry block calibrator into a liquid bath, blackbody source or fixed point apparatus?
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Isotech, ISOCAL 6 Calibrators, Combined Dry Block and Liquid Baths ISOCAL6 Dry Block Calibrators, Europa, Venus & Calisto

3 Models to choose from, covering -45C to 250C (482F)
  • 6 Calibration Functions in 1
  • Accuracy: 0.15C (display to block)
  • Liquid bath, infrared, dry block, & ITS-90 fixed points all in one
  • 35mm calibration volume
  • Fast heating and cooling times
Isocal 6 (Standard Volume) Datasheet

Base Price: $6,081.00
Isotech, Jupiter 650 Dry Block Calibrator JUPITER 650 - High Temperature Dry Block Calibrator

Temperature Range of 30C to 650C (1202F)
  • Accuracy: 0.3C (display to block)
  • Uniformity: Use of a specialized high conductivity block results in superior uniformity
  • Wide Operating Range: Fast response up to 650C (1202F) ideal for field use
  • Simple to Use and Outstanding Value
  • Calibrate to entire loop by using a heat source rather than an electrical simulator, a test instrument and sensor can be calibrated as a system
Jupiter 650 Datasheet

Base Price: $6,516.00
Isotech, Pegasus 1200, High Temp Drywell PEGASUS 1200 - High Temperature Dry Block Calibrator

Temperature Range of 150C to 1200C (2192F)
  • Accuracy: 3.0C (display to block)
  • Calibration Volume: 33.5mm x 130mm (1.25" x 5.1")
  • Stability: Better than 0.3C over the range
  • Unique Accessories: Infrared calibration and fast cool down attachments
  • Ideal for R & S thermocouple calibrations
  • Suitable for most high temperature switches
Pegasus 1200 Datasheet

Base Price: $7,485.00
Isotech, Pegasus T, High Temp Drywell for Short Sensors PEGASUS T - High Temp - Short Sensor Dry Block

Temperature Range of 150C to 1100C (2012F)
  • Ideal for High Temperature Short Sensors
  • Stability: 0.05C at 150C; 0.08C at 1100C
  • Unique Features: 3 Calibration Zones for different depths
  • Control from External Reference Sensor
  • Suitable for most high temperature switches

Base Price: $16,205.00
ISOCAL 6 Calibrators, Combo Baths, Dry Block and Liquid in one ISOCAL 6 Calibration Baths, Hyperion & Drago Models

Temperature range covering -25C to 250C (482F), in two models

  • Accuracy: 0.15C (display to block)
  • Calibration Volume: 2.5" (65mm) x 6" (160mm)
  • Portable Liquid Bath for high accuracy calibration of awkwardly shaped sensors
  • Convertible for Dry Block Operation and more
  • Calibrates All Sensor Types
Isocal 6 (Large Volume) Datasheet

Base Price: $7,327.00
QUICKCAL - Hand-Held Dry Block Temperature Calibrator QUICKCAL - Hand-Held Dry Block Temperature Calibrator

Two models available, 30C to 350C (662F), and -12C to 140C (284F)
  • Better accuracy: 0.4C to 0.2C, using comparison techniques
  • Wide temperature ranges: cover most sensor types with just two units
  • Fast: Nine minutes to reach temperature
  • Light, compact, and portable
  • Interchangeable Inserts: with one unit to suit different sensor diameters
QuickCal Datasheet

Base Price: $3,241.00
Isotech Fastcal Dryblock Temperature Calibrators Dryblock Calibrators, Fast Cal Series Drywells

3 Temperature Ranges: Low -35C to 140C, Medium 30C to 350C and High 35C to 650C

  • Rugged & Lightweight : (15 lbs.)
  • Accuracies: 0.15C to 2C, model & range dependent
  • Fast response, high stability
  • Standard PC interface with software
  • 5 point NIST traceable calibration certificate included.
FastCal Datasheet

Base Price: $5,702.00
Isotech Gemini High Capacity Dry Blocks up to 700°C GEMINI - High Capacity Dry Block Calibrators

Temperature Range of 30C to 700C (1292F)
  • Display to Block Accuracy: Better than 0.5C
  • Calibrate Whole Calibration Loop - Using a heat source rather than an electrical simulator, a test instrument and probe can be calibrated as a system.
  • High Capacity Block: Large Calibration volume for many sensors and low loading errors.
  • Two Operating Ranges: Fast response from ambient to 550C (1022F) or ambient to 700C (1292F)
  • Simple To Use - Outstanding Value for Your Money!
Gemini Datasheet

Base Price: $7,567.00
Isotech, Medusa 3 Zone Temperature Calibrator MEDUSA - P.O.T.T.S Temperature Calibrator

3-Zone Block Calibrator for Automated Fixed Points
Temperature Range of 30C to 700C (1292F)
  • High Capacity Deep Block: 1.75 diameter x 11.25 deep (45mm x 285mm)
  • Absolute Stability: 0.03C
  • Use for Comparison and Fixed-Point Calibration
  • Use With Very Long Thermometers
  • Blackbody Target and Surface Sensor Kit Options
Medusa Datasheet

Base Price: $13,679.00
Isotech, Oceanus 6, Deep Immersion Dry Block Oceanus 6 - P.O.T.T.S Temperature Calibrator

Temperature Range of -25C to 140C (282F)
Optional Inserts for Black Body & Liquid Bath
  • Accuracies: 0.0002C at Water Triple Point
  • Dry or Liquid Bath
  • Windows Software and PC Interface
  • High Capacity Deep Block for Very Long Thermometers
  • Ideal for Laboratory Comparison and Fixed-Point Calibrations
Oceanus 6 Datasheet

Base Price: $12,011.00
782 PLTC & 783 PHTC 782 PLTC & 783 PHTC

  • DoD Customers Only
  • MIL Standard Dry Blocks
  • Fast Operation
  • Automatic Testing
  • Two Models, Covering -40C to 660C

Isotech Rugged Dry Block Calibrators Isotech Rugged Dry Block Calibrators

Operate with Confidence in Extreme Environments.

  • Wide -40C to 660C temperature range
  • Military-grade durability
  • Advanced features, including unique input options
  • Convenient, all-in-one design

Rugged Block Datasheet

Base Price: $9,963.00