• Advanced Model with Reference Sensor Input 
• Temperature range from -25 to 155°C (-13 to 311°F) with 6 models
• 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
• Optional input for reference temperature sensor, to increase the accuracy even more

• 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 to 311°F
• Temp. @ ambient of 50°C / 122° 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 ext. ref. sensor STS-102-A: ±0.2°C /±0.36°F
• CTC-155 with ext. ref. sensor STS-120-A-915: ±0.2°C /±0.36°F
• Stability:
• CTC-155: ±0.04°C / ±0.07°F
• Radial Homogeneity (difference between holes):
• CTC-155 @ 155°C / 311°F: 0.03°C / 0.054°F
• CTC-155 @ -25°C / -13°F: 0.02°C / 0.036°F
• Influence From Load Ø6mm Full Range:
• With Internal Reference : 0,2°C / 0.36°F
• With External Reference : 0,01°C / 0.02°F
• Settings:
• Resolution: 1 or 0.1 or 0.01
• Units: °C or °F or K
• Heating Time:
• CTC-155: 23 to 155°C / 73 to 311°F: 13 minutes
• Cooling Time:
• CTC-155: 155 to 23°C / 311 to 73°F:  12 minutes
• CTC-155: 23 to -25°C / 73 to -13°F:  16 minutes
• Time to Stability (typical):
• CTC-155: 10 minutes
• Mains Power:
• Voltage : 115 V (90-127) / 230 V (180-254)
• Max Power Consumption: 130 VA
• Frequency, US deliveries: 60 Hz ±3
• Frequency, non US deliveries: 50 Hz ±3, 60 Hz ±3
• Physical Specifications:
• Dimension:
• L x W x H. : 248x148x305 mm / 9.761x5.83x12.01 in
• Weight:
• CTC-155: 5.5 kg / 12.1 lb
• Immersion Depth incl. insulation plug:
• CTC-155:  120 mm / 4.53 in
• Well Diameter:
• CTC-155: 26 mm / 1.02 in
• Insert Dimensions (diameter x length):
• CTC-155: 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: t
• 0.5 (50%):7 sec.
• STS-120-A: t
• 0.9 (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: t
• 0.5 (50%:  5 sec.
• STS-120-A: t
• 0.9 (90%):16 sec.
• Dimensions:
• Diameter: 4 mm / 0.157 in
• Length:30 mm / 1.181 in
• Cable length:1 m / 3.28 ft

• (1) CTC155 dry-block calibrator
• (1) Mains power cable (user specified)
• (1)Traceable certificate - temperature performance
• (1) Tool for insertion tubes
• (1) User manual
• (1) Test cables (1 x red, 1 x black)
• (1) USB cable
• (1) JofraCal calibration software
• (1) CTC-660 and CTC-652 includes a Heat Shield

Brochure/Datasheet

Instruction Manual

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Note: Prices are not binding at any time subject to change without prior notice