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Ametek - Jofra Dry Blocks

Ametek - Jofra Dry Blocks

Ametek - Jofra Temperature CalibratorsAmetek - Jofra Temperature Calibrators

Because calibration is a matter of confidence

Ametek - JOFRA is a world leading manufacturer and developer of calibration instruments for temperature calibrators, dry blocks and portable liquid baths.

Ametek - JOFRA invented the portable high-precision dry-block temperature calibrators and continue to develop many industry firsts over the past 35 years. JOFRA is known for its "advanced simplicity" which means that the calibrators are extremely easy to use while offering very advanced temperature measurement.

Some of the features that make JOFRA temperature calibrators unique are:

  • Cover a very broad temperature range.
  • Mechanically long-lasting design.
  • Full overview of calibration with all important information directly on the display.
  • The most intuitive and easy-to-use calibrators.
  • Free calibration software supplied with all temperature calibrators.
  • Flexible program: Dry-blocks and dry-block/liquid bath combination units.
  • Fast heating and cooling as well as short time to stability.
  • Easy to carry.

Which JOFRA Calibrator is the Right Choice for You?

JOFRA offers a large range of dry block and dry-block/liquid bath combination temperature calibrators in different price ranges depending on your specific need. Below is an overview of what each JOFRA series can offer. Click on the JOFRA series that is right for you and dive into the detailed information about each model in the series. For a quick overview of all models and specifications click here.

Ametek - Jofra CTC Accuracy to ± 0.2°C; temperature range from -25 to 1205°C . The CTC Series portable temperature calibrator is a fast, timesaving, reliable temperature calibrator designed for on-site use, featuring buttons for switch test and auto stepping.

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Temperature Range
 
-100°C – 155°C
-90°C – 125°C
-45°C – 180°C
-45°C – 155°C
-30°C — 155°C
-25°C – 155°C
-22°C – 155°C
-25°C – 155°C
-10°C – 125°C
28°C – 250°C
28°C – 350°C
33°C – 350°C
33°C – 425°C
28°C – 400°C
28°C – 400°C (IR)
28°C – 660°C
28°C – 650°C
33°C – 660°C
33°C – 700°C
100°C – 1205°C
Specifications
 

Internal Accuracy (°C)

External Accuracy (°C)

Stability (°C)

Resolution (°C)

Type

Insert Diameter (mm)

Immersion Depth (mm)

0.30 0.06 0.030 0.001 Dry 29.7 190
0.30 0.07 0.030 0.01 Dry 29.7 190
0.10 0.04 0.005 0.001 Dry 29.7 160
0.10 0.04 0.005 0.001 Dry 29.7 160
0.10 0.04 0.005 0.001 Dry 29.7 160
0.18 0.06 0.010 0.01 Dry 25.8 160
0.18 0.04 0.010 0.001 Dry/Wet 63.8 180
0.30 0.02 0.040 0.1 Dry 25.8 120
0.50 — 0.050 0.1 Dry 12.5 110
0.28 0.07 0.020 0.001 Dry/Wet 63.5 180
0.45 0.25 0.050 0.01 Dry 25.7 110
0.20 0.08 0.020 0.01 Dry 25.8 150
0.20/0.25 0.13 0.020 0.01 Dry 25.8 150
0.50 — 0.150 0.1 Dry Fixed 105
0.50 — 0.300 0.1 Dry 36.0 —
0.85 0.45 0.080 0.01 Dry 25.7 110
0.65 0.45 0.050 0.01 Dry 25.7 190
0.30 0.15 0.040 0.01 Dry 24.8 150
0.29 0.11 0.020 0.001 Dry 29.8 200
2.00 2.00 0.100 0.01 Dry 27.0 137
Functions
 

External Ref. Sensor

Sensor Under Test Input*

Dynamic Load Compensation

Clamp Calibration

Set Follows True

Autostep

Switch Test

Patented Technology

      —       X,Y
    — —       X
      —       Y
      —       Y
              Y
    — —       —
      —       Y
  — — —       —
— — — — —   — —
              Y
  — —         —
    —         Z
    —         Z
— — — —   — — —
— — — —   — — —
  — —         —
  — —         —
    —         Z
              Y,Z
  — —         —
Model
 
RTC-159
PTC-125
RTC-187
RTC-157
RTC-156
PTC-155
RTC-158
CTC-155
ETC-125
RTC-250
CTC-350A
PTC-350
PTC-425
ETC-400
ETC-400R
CTC-660A
CTC-652
PTC-660
RTC-700
CTC-1205
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  6. Ametek - Jofra 128471 Reference and DLC Hole Insert 1x5/16" W/4 MM and 1/4"
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  16. Configurable!
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  23. Configurable!
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