CA12

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Yokogawa Model CA12 Temperature Calibrators

Product Information:

  • Temperature Calibrator
    Both signal source and measurement functions
  • Simple operation, easy to use
    Lightweight, compact body

Product Description:

  • Signal source: TC (6 kinds), RTD, DC100 mV, 400 ohms
  • Measurement: TC (6 kinds), RTD, DC100 mV, 400 ohms
  • Features: Selectable RTD (Pt100 or JPt100), Built-in RJC
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Product Specifications:

  • Simulator of common thermocouples and RTD sensors:
    Outputs a signal equivalent to signals of six types of thermocouple K, E, J, T, N and R as well as Pt100 resistance temperature detector. (The former Pt100 standard, JPt100, is also selectable by an internal dip switch.) Suitable for a broad range of applications such as maintenance of industrial process instruments and various thermometers.
  • Multi-range thermometer:
    Can be used as a multi-range thermometer. Three-wire RTD connection for an RTD is possible.
  • Built-in sensor for reference junction compensation:
    Reference junction compensation when generating a thermocouple signal can be performed by the built-in temperature sensor. For more precise compensation, use the external RJC sensor (Model B9108WA).
  • C/F Selection Key:
    Select “C”or “F” unit.
  • Terminal adapter:
    Provides screw terminals for connecting a temperature sensor such as a thermocouple and RTD when measuring temperature. When sourcing an RTD signal, a three-wire RTD signal can be output using the lead cables that come with the CA12 by short-circuiting the Lo-Lo terminals using the short-circuit bar that also comes with the CA12.

Source and Measurement Function:

Range
Range of Generated Signal/Indication
Resolution
TCs K
-200.0 to 1370.0°C
-328 to 2498°F 0.1°C or 1°F
E -200.0 to 1000.0°C -328 to 1832°F
J -200.0 to 1200.0°C -328 to 2192°F
T -200.0 to 400.0°C -328 to 752°F
N -200.0 to 1300.0°C -328 to 2372°F
R 0 to 100°C 32 to 212°F 1°C or 1°F
100 to 1768°C 212 to 3214°F
100mV
-10.00 to 110.00mV
10 μV
RTD Pt100
-10.00 to 110.00mV
-328 to 1562°F 0.1°C or 1°F
400W
0.0 to 400.0 ohms
0.1 ohm

Accuracy:

Range
Accuracy
Source
Measurement
TCs K 0.05% + 1°C
(at -100°C or greater)
0.05% + 2°C
(at less than -100°C)
0.07% + 1.5°C
(at -100°C or greater)
0.07% + 2°C
(at less than -100°C)
E
J
T
N
R 0.05% + 3°C 0.07% + 3°C
0.05% + 2°C 0.07% + 2°C
100mV
0.05% + 30 μV
0.05% + 30 μV
RTD Pt100 0.05% + 0.6°C

0.05% + 0.6°C
400W
0.05% + 0.2 ohm
0.05% + 0.2 ohm
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pdf_pic General Specifications
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