Ametek JOFRA RTC-156 A - Page 144

127139 13 2014-07-30 143
THERMAL SPECIFICATIONS –
DRY – BLOCK
RTC-250 A/B
Well specifications 70 mm / 2.76 inch axial homogeneity:
±0.070C/0.13°F @ 28°C/82.4°F to 150°C/302°F
70 mm / 2.76 inch axial homogeneity:
±0.120°C/0.22°F@150°C/302°F to 250°C/482°F
80 mm / 3.15 inch axial homogeneity:
±0.080C/0.14°F @ 28°C/82.4°F to 150°C/302°F
80 mm / 3.15 inch axial homogeneity:
±0.150°C/0.27°F @ 150°C/302°F to 250°C/482°F
Difference between borings :
0.05°C / 0.09°F
Influence from load :
0.10°C / 0.18°F @250°C / 482°F
Influence from load with Ext. Reference :
0.03°C / 0.05°F @250°C / 482°F
Long term drift (1 year) :
±0.05°C / ±0.09°F
Calibration accuracy (test limit) ±0.08°C / ±0.14°F
Temperature coefficient ±0.020°C/°C (0-20°C and 26-40°C) (32-68°F and
79-104°F)
Stability ±0.02°C / ±0.04°F
Reference accuracy ±0.06°C (±0.11°F)
Total accuracy ±0.28°C (±0.50°F)
Heating time incl. insert 28°C / 82°F to 100°C / 212°F : 3 min.
50°C / 122°F to 100°C / 212°F : 2 min.
100°C / 212°F to 250°C / 482°F : 9 min.
Time to stability 15 min.
Cooling time incl. insert 250°C / 482°F to 100°C / 212°F : 24 min.
100°C / 212°F to 50°C / 122°F : 24 min.
100°C / 212°F to 28°C / 82°F : 65 min.