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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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    Ametek - Jofra 128476 Reference and DLC Hole Insert 1x5/8" W/4 MM and 1/4"
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  2. Ametek - Jofra 128475 Reference and DLC Hole Insert 1x9/16" W/4 MM and 1/4"
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  3. Ametek - Jofra 128474 Reference and DLC Hole Insert 1x1/2" W/4 MM and 1/4"
    Ametek - Jofra 128474 Reference and DLC Hole Insert 1x1/2" W/4 MM and 1/4"
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  4. Ametek - Jofra 128473 Reference and DLC Hole Insert 1x7/16" W/4 MM and 1/4"
    Ametek - Jofra 128473 Reference and DLC Hole Insert 1x7/16" W/4 MM and 1/4"
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  5. Ametek - Jofra 128472 Reference and DLC Hole Insert 1x3/8" W/4 MM and 1/4"
    Ametek - Jofra 128472 Reference and DLC Hole Insert 1x3/8" W/4 MM and 1/4"
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  6. Ametek - Jofra 128471 Reference and DLC Hole Insert 1x5/16" W/4 MM and 1/4"
    Ametek - Jofra 128471 Reference and DLC Hole Insert 1x5/16" W/4 MM and 1/4"
    Order #: 128471
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  7. Ametek - Jofra 128469 Reference and DLC Hole Insert 1x3/16" W/4 MM and 1/4"
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    Order #: 128469
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    Availability: In stock
    Special Price $351.54 Regular Price $378.00
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  8. Ametek - Jofra 128468 Reference and DLC Hole Insert 1x1/8" W/4 MM and 1/4"
    Ametek - Jofra 128468 Reference and DLC Hole Insert 1x1/8" W/4 MM and 1/4"
    Order #: 128468
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  9. Ametek - Jofra 128464 M09 Multi Hose Insert - 1x10mm 1X11mm RTC/PTC
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  10. Ametek - Jofra 128461 M06 - Reference and DLC Holes
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  11. Ametek - Jofra 127305 Reference and DLC Single Hole Insert 1 X 5/16" W/4 MM and 1/5
    Ametek - Jofra 127305 Reference and DLC Single Hole Insert 1 X 5/16" W/4 MM and 1/4
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  12. Ametek - Jofra 127303 Reference and DLC Single Hole Insert 1 X 3/16" W/4 MM and 1/5
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  13. Ametek - Jofra 127302 Reference and DLC Single Hole Insert 1 X 1/8" W/4 MM and 1/4"
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  14. Ametek - Jofra 127292 Carrying Case w/Trolley for RTC Series
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  15. Ametek - Jofra ETC400A115B21EX Easy Temperature Calibrator 28 to 400C
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  16. Ametek - Jofra ETC400A115B12EX Easy Temperature Calibrator 28 to 400C
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  17. Ametek - Jofra ETC125A-2 Easy Temperature Calibrator -10 to 125C
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  18. Configurable!
    Ametek - Jofra RTC168 Reference Temperature Calibrator, -30C to 165C
    Ametek - Jofra RTC168 Reference Temperature Calibrator, -30C to 165C
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  19. Ametek PTC660
    Ametek - Jofra PTC660A Professional Temperature Calibrator 33 to 660C 115VAC
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  20. Ametek - Jofra PTC155A
    Ametek - Jofra PTC155A115BNONXXF Professional Temp Calibrator Basic model -13 to 311F
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  21. Ametek - Jofra 128463 M08 Multi Hole Insert - 1x8mm 1x12mm RTC/PTC
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  22. Configurable!
    Ametek-Jofra PTC-125 Professional Temperature Calibrator
    Ametek-Jofra PTC-125 Professional Temperature Calibrator Temperature Calibrator -90 to 125C
    Order #: PTC125
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  23. Configurable!
    Ametek - Jofra RTC250
    Ametek - Jofra RTC250 Reference Temperature Calibrator Reference Temperature Calibrator, 28C to 250C 115VAC
    Order #: RTC250
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  24. Configurable!
    Ametek-Jofra CTC652 Compact Temperature Calibrator
    Ametek-Jofra CTC652 Compact Temperature Calibrator
    Order #: CTC652
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  25. Configurable!
    RTC187
    Ametek-Jofra RTC187 Reference Temperature Calibrator Reference Temperature Calibrator, -45
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