Ametek JOFRA PTC-660 Dry Block Calibrator

The new PTC calibrator comes in three different models: A, B and C

• PTC-A professional temperature calibrator
• PTC-B professional temperature calibrator with input for reference sensorand sensors-under-test
• PTC-C professional temperature calibrator with input for reference sensor

The PTC offers many of the weel-known JOFRA features, such as:

• Easy-to-read color VGA display with perfect overview of the actual calibration status
• Intelligent recalibration information, IRI
• Intuitive, fast and user-friendly navigation
• Lightweight and easy to carry around
• Functional carrying case
• Multi-hole insert kits covering all the most used sensor sizes
• High profile design and the well-known long lasting JOFRA quality

FUNCTIONAL SPECIFICATIONS

Temperature range @ 23°C / 73°F
PTC-155....................................-25 to 155°C / -13 to 311°F
PTC-350.......................................33 to 350°C / 91 to 662°F
PTC-660.....................................33 to 660°C / 91 to 1220°F
Accuracy (model B & C) with external STS ref. sensor
PTC-155 B & C.......................................... ±0.06°C/±0.11°F
PTC-350 B & C.......................................... ±0.08°C/±0.15°F
PTC-660 B & C.......................................... ±0.15°C/±0.27°F
12-month period. Relative to reference standard. Specifications
by use of the external JOFRA STS-150 reference sensor
Accuracy with internal reference sensor
PTC-155 A, B & C...................................... ±0.18°C/±0.32°F
PTC-350 A, B & C...................................... ±0.20°C/±0.36°F
PTC-660 A, B & C @ 33 to 420°C.............. ±0.30°C/±0.54°F
PTC-660 A, B & C @ 420 to 660°C............ ±0.50°C/±0.54°F
Stability
PTC-155................................................... ±0.01°C/±0.018°F
PTC-350................................................... ±0.02°C/±0.036°F
PTC-660................................................... ±0.04°C/±0.072°F
Measured after the stability indicator has been on for 15 minutes.
Measuring time is 30 minutes.
Radial homogeneity (difference between holes)
PTC-155........................................................0.01°C/0.018°F
PTC-350........................................................0.02°C/0.036°F
PTC-660........................................................0.10°C/0.180°F
Resolution (user-selectable)
All temperatures ...................................... 1° or 0.1° or 0.01°
Heating time
PTC-155 -25 to 23°C/-13 to 73°F.................. 4 minutes
23 to 155°C/73 to 311°F............... 12 minutes
PTC-350 33 to 350°C/91 to 662°F................. 7 minutes
PTC-660 33 to 660°C/91 to 1220°F............. 20 minutes
Cooling time
PTC-155 155 to 23°C/311 to 73°F............... 10 minutes
23 to -25°C/73 to -13°F................ 15 minutes
PTC-350 350 to 100°C/662 to 212°F........... 12 minutes
100 to 50°C/212 to 122°F............. 12 minutes
PTC-660 660 to 100°C/1220 to 212°F......... 36 minutes
100 to 50°C/212 to 122°F............. 15 minutes
Time to stability (approx.)
PTC-155.............................................................. 10 minutes
PTC-350.............................................................. 10 minutes
PTC-660.............................................................. 10 minutes
Immersion depth
PTC-155........................................................ 160 mm/6.3 in
PTC-350........................................................ 140 mm/5.5 in
PTC-660........................................................ 150 mm/5.9 in

PHYSICAL SPECIFICATIONS
Weight and instrument size (L x W x H)
PTC-155........................................................ 10.3 kg/22.7 lb
PTC-350.......................................................... 8.2 kg/18.1 lb
PTC-660.......................................................... 8.9 kg/19.6 lb
PTC-ALL...............362 x 171 x 363 mm/14.3 x 6.7 x 14.3 in
Shipping (without carrying case)
PTC-155........................................................ 14.0 kg/30.9 lb
PTC-350........................................................ 11,9 kg/26.2 lb
PTC-660........................................................ 12,6 kg/27.8 lb
PTC-ALL...............580 x 250 x 500 mm/22.8 x 9.8 x 19.7 in
Shipping (including solid protective carrying case) - CX
PTC-155........................................................ 19.0 kg/41.9 lb
PTC-350........................................................ 16.9 kg/37.2 lb
PTC-660........................................................ 17.6 kg/38.8 lb
PTC-ALL.............610 x 340 x 495 mm/24.0 x 13.4 x 19.5 in
Shipping (including solid protective trolley carrying case) - CT
PTC-155........................................................ 23.9 kg/52.7 lb
PTC-350........................................................ 21.8 kg/48.1 lb
PTC-660........................................................ 22.5 kg/49.6 lb
PTC-ALL.............550 x 440 x 610 mm/21.7 x 17.3 x 24.0 in
Shipping (carrying case only) - CX
Weight............................................................. 7.2 kg/15.9 lb
Size.....................610 x 340 x 495 mm/25.5 x 13.4 x 19.5 in
Shipping (carrying case only) - CT
Weight........................................................... 12.1 kg/26.7 lb
Size.....................550 x 440 x 610 mm/21.7 x 17.3 x 24.0 in