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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.
For more information on Ametek CTC-155 Compact Temperature Calibrator talk to Cuthbertson Laird Group
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