Name: Ametek - PTCt-155
Rating: 4.7 (163 reviews)

Advanced touchscreen display interface for easy operation
Wi-Fi connection enables remote monitoring, control, and analysis of calibration data through a web browser.
Dynamic calibration graph monitors stability in real time for high accuracy.
Dual-sensor calibration improves efficiency by checking two sensors simultaneously.
Fully automatic calibration without a computer connection
Very low temperature range: -90 to 125°C
Fully automatic calibration without a computer connection
Temperature stability to 0.03°C
Heat-pipe technology with a unique dual-temperature zone synchronizes the temperature throughout the heat pipe
Large color LCD; computer communication via USB 2.0
Smart reference sensor with a convenient 90° plug-and-play connector for insertion into the heat well
Switch test mode and Auto-stepping up to 20 steps are easy to set up and use
Fast calibration time (from 125°C to -90°C in just 145 minutes)
Included JofraCal calibration software makes calibration and certificate export simple and fast
RTD, TC, mA, V inputs (model B only)
24 VDC transmitter power supply (model B only)
Specially designed, convenient carrying case

Overview
Temperature range (at 23°C):	-90 to 125°C
Accuracy:
Using external STS reference sensor:	± 0.07°C
Using internal reference sensor:	± 0.30°C
Temperature stability:	± 0.03°C
Temperature stabilization time:	approx. 10 minutes
Radial uniformity:	0.01°C
Resolution:	1°, 0.1°, 0.01°
Heating rate:
	-90 to 23°C 15 minutes
	23 to 125°C 13 minutes
Cooling rate:
	125 to 23°C 40 minutes
	23 to -80°C 75 minutes
	-80 to -90°C 30 minutes
Computer communication:	USB 2.0 port
Reference RTD sensor input (models B and C only):
Sensor type:	Pt100, 4-wire
Accuracy class:	±(0.003% rdg + 0.0007% FS)
Test sensor input (model B only):
RTD:	Pt1000, Pt500, Pt100
TC:	E J K T R S N U
Transmitter power supply (model B only):
Output voltage:	24VDC ± 10%
Output current:	max. 28mA
Transmitter mA input (model B only):
Measurement range:	0 to 24mA
Accuracy class:	± (0.02%rdg + 0.01%FS)
Thermowell depth:	190 mm
Power supply:	PTC-155 230V, 50Hz, 450VA
Dimensions / Weight:	531x169x432mm/ 15.2 kg

Low-Temperature Calibration, −90 to 125 °C

Ametek - PTCt-155