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
Specifications
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
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