User`s guide

Chapter 6 Specifications RIGOL
M300 User’s Guide
6-9
Measuring Characteristics
Thermocouple
Conversion
ITS-90 software compensation
Reference Junction Type
Internal, Fixed, or External
T/C Check
Selectable per channel. When the channel resistance is >5kΩ, it is considered as Open.
RTD
Alpha
= 0.00385 (DIN/IEC 751): using ITS-90 software compensation;
= 0.00389, 0.00391 or 0.00392: using IPTS-68 software compensation
Thermistor
44004, 44007, 44006 series
Measurement Considerations
The built-in cold junction temperature tracks the temperature inside the terminal block. The change of temperature in the terminal block might cause
additional error. When using the built-in cold junction compensation, connect the sensor terminal of the thermocouple to the terminal block and warm
it up for more than 3 minutes to minimize the error.