© Isothermal Technology
Page 2 of 102
923 milliK manual - issue: 1.10
Contents
1
Introduction ........................................................................................................................ 5
1.1
Unpacking ................................................................................................................... 5
1.2
Safety ........................................................................................................................... 5
2
Getting Started ................................................................................................................... 8
2.1
A Quick Tour of Your milliK ..................................................................................... 9
2.2
Driving your milliK ................................................................................................... 11
2.2.1
The ‘Graph’ Window ......................................................................................... 12
2.2.2
The ‘Numeric’ Window ..................................................................................... 12
2.2.3
The ‘Settings’ Window ...................................................................................... 13
2.2.4
The ‘Instrument’ Window.................................................................................. 15
2.3
Battery Operation ...................................................................................................... 17
3
Detailed Description by Function .................................................................................... 18
3.1
Using a PRT/SPRT with milliK ................................................................................ 18
3.1.1
Configuring milliK to measure a PRT/SPRT .................................................... 19
3.1.2
Determining Self-Heating of a PRT/SPRT ........................................................ 21
3.1.3
Using 3 or 4 Wire Measurement ........................................................................ 21
3.2
Using a Thermistor with milliK ................................................................................ 23
3.2.1
Configuring milliK to Measure Temperature with a Thermistor....................... 24
3.3
Using a Thermocouple with milliK ........................................................................... 25
3.3.1
Using Internal Reference Junction Compensation ............................................. 26
3.3.2
Using External Reference Junction Compensation............................................ 26
3.3.3
Using an Ice-Point for the Reference Junction .................................................. 27
3.3.4
Configuring milliK to Measure a Thermocouple............................................... 28
3.4
Using a 4-20mA Transmitter with milliK ................................................................. 30
3.4.1
Configuring milliK to Measure a 4-20mA Transmitter ..................................... 31
3.5
Measuring the Difference Between Two Channels................................................... 32
3.6
Changing Graph Scales ............................................................................................. 32
3.7
Using Rolling Statistics ............................................................................................. 33
3.8
Logging Results to a File .......................................................................................... 34
3.8.1
Transferring Logged Data to a PC ..................................................................... 36
3.8.2
File Format for Logged Data ............................................................................. 36
3.8.3
Clearing Logged Data from Internal Memory ................................................... 37
3.9
Using the Thermometer Database ............................................................................. 38
3.9.1
Creating a New Thermometer Entry .................................................................. 38
3.9.2
Using a PRT with IEC60751 (2008) Conversion .............................................. 40
3.9.3
Using a PRT with Callendar Van Dusen Conversion ........................................ 41
3.9.4
Using a PRT with ITS90 Conversion ................................................................ 42
3.9.5
Using a Thermocouple with Calibration Coefficients / Data Pairs.................... 43
3.9.6
Using a Thermistor with the Steinhart-Hart Polynomial ................................... 44
3.9.7
Using a Thermistor with Polynomial Temperature Conversion ........................ 45
3.9.8
Using a 4-20mA Transmitter with Linear Conversion ...................................... 46
3.10
Updating the Software ........................................................................................... 47
3.11
Using and Changing Passwords ............................................................................ 47
3.11.1
Recovering a Lost Password .............................................................................. 49
3.12
Controlling Temperature Sources with milliK ...................................................... 49
3.12.1
Creating a Temperature Profile .......................................................................... 51
4
Connecting Thermometers to milliK ............................................................................... 53
4.1
Connecting PRTs/SPRTs to milliK ........................................................................... 53
4.2
Connecting Thermistors to milliK............................................................................. 54
