WIKA CTD9300 - Handbuch (Seite 17)

9037926 03/2005
17 WIKA Operating Instructions CTD 9300 Rev. 1
Temperature Dry Well Calibrators CTD 9300
2. Device Description
GB All the thermometer signals are linearised according to their signal
type and displayed in °C, °F or in K.
The sensor type, input and switch technology are set in the menu
for measuring instrument setup.
Circuit of the Integrated Measuring Instrument
External Reference Thermometer
The integrated measuring instrument
permits parallel connection of a probe
and, if desired, of an external reference
resistance thermometer. It takes the
characteristic curve of the reference
thermometer into consideration for the
linearisation using an individual
correction function, refer to the
adjustment menu.
An external reference may be required for certain calibration tasks,
e.g.:
„
when calibrating especially short sensors
„ for additional safety
Fig. 5: Connectors of the instrument
2.5.4 Software
Powerful software is available for all devices of the CTD 9300
series. This software enables remote control of the calibrator and
the integrated measuring instrument through a computer and
automatic calibrations. The program runs on all IBM compatible
PCs.
Temperature Ramp Function
The temperature ramp function permits the recording of a
temperature curve that automatically approaches up to 20 settable
test points. This is a typical procedure for calibrating electric
thermometers.