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Ametek CTC-155 Compact Temperature Calibrator
The Jofra CTC-155 covers a wide temperature range from -25 to 155°C (-13 to 311°F). This makes it sufficent to cover most standard industrial temperature calibration applications. Insert heat loss due to mass loading from multiple or large sensors can be a challenge for most dry-block calibrators. The CTCs advanced feedback algorithms combined with the external reference sensor effectively addresses these challenges and makes the accuracy even better. The CTC is supplied with the highly versatile calibration software JofraCal. All calibrations can be documented with a certificate, given that the CTC is controlled from a PC. When the calibrator has reached the desired temperature and stabillity it will prompt you to type in the UUT temperature. JofraCal documents all your calibration needs within temperature, pressure and process calibration. The CTC-155 is designed for both on-site and maintenance shop calibration with great portability in regard of size and weight. The calibrator is lightweight and easy to carry and with a handle placed away from the heat-zone. FEATURES Accuracy to + 0.2°C and Stability to + 0.04°C. Lightweight and easy to carry. Multi-hole and/or insert kits. Input for external reference sensor on all C models. MVI circuitry ensures stability despite mains supply variations. Crisp, full-color display, with improved navigation Auto step function with up to 12 preset temperature points Optimized switch test with automatic up and down test runs Manual calibration using pre-defined temperature points Memory to store up to 5 calibration processes. Introducing the Ametek CTC Range Video Ametek CTC-155 Specifications Temperature Temperature Range Temp. @ ambient 23°C / 73° F -25 to 155°C / -13 to 311°F. Temp. @ ambient of 0°C / 32° F -39 to 155°C / -38 ti 311°F. Temp. @ ambient of 50°C / 104° F -7 to 155°C / -19 to 311°F. Accuracy CTC-155 with internal ref. sensor +0.3°C /+0.54°F. CTC-155 with STS-102 +0.2°C /+0.36°F. CTC-155 with STS-120 +0.2°C /+0.36°F. Stability +0.04°C / +0.07°F. Radial Homogeneity (difference between holes) 0.03°C / 0.054°F. Settings Resolution 1 or 0.1 or 0.01. Units °C or °F or K. Heating Time 23 to 155°C / 73 to 311°F 13 minutes. Cooling Time 155 to 23°C / 311 to 73°F 12 minutes. 23 to -25°C / 73 to -13°F 16 minutes. Time to Stability (typical) 10 minutes. Mains Power Voltage 115 V (90-127) / 230 V (180-254) Max Power Consumption 100 VA Frequency, US deliveries 60 Hz +3 Frequency, non US deliveries 50 Hz +3, 60 Hz +3 Physical Specifications Dimensions LxWxH 248x148x305 mm / 9.761x5.83x12.01 in Weight 5.5 kg / 12.1 lb Immersion Depth incl. insulation plug 120 mm / 4.53 in Well diameter 26 mm / 1.02 in Insert Dimensions (diameter x length) 25,8 mm x 100 mm / 1.01 x 3.9 in Electrical Switch Input (dry contact) Test Voltage Maximum 14 VDC Test Current Maximum 1 mA Digital Interface USB 2.0 Environmental Operating Temperature 0 to 50°C / 32 to 122°F Storage Temperature -20 to 50°C / -4 to 122°F Humidity 5 to 90% Rh, non-condensing Protection Class IP-10 External Reference Sensor STS-120-A-915 -25 to 155°C /-13 to 311°F Accuracy Hysteresis (@ 0°C / 32°F) 0.01°C / 0.018°F Long Term Stability (@ 0°C / 32°F) 0.014°C / 0.025°F Repeatability 0.004°C/ 0.007°F Sensing Element Type PT100 Response Time STS-120-A: t0.5 (50%) 7 sec. STS-120-A: t0.9 (90%) 18 sec. Dimensions Diameter 4 mm / 0.157 in Length 140 mm / 5.51 in Max. height over calibrator top 20 mm / 0.79 in External Reference Sensor STS-102-A -50 to 155°C /-58 to 311°F Accuracy Hysteresis (@ 0°C / 32°F) 0.01°C / 0.018°F Long Term Stability (@ 0°C / 32°F) 0.014°C / 0.025°F Repeatability 0.002°C/ 0.0036°F Sensing element Type PT100 Response Time STS-120-A: t0.5 (50%) 5 sec. STS-120-A: t0.9 (90%) 16 sec. Dimensions Diameter 4 mm / 0.157 in Length 30 mm / 1.181 in Cable Length 1 m / 3.28 ft Ametek CTC-155 warranty Two-year.

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