1 Power supply
2 Amperemeter
3 Voltmeter
4 Magnetic stirrer
5 Calorimeter
6 Thermometer

1 Coarse adjustment
2 Fine adjustment
3 Voltage adjustment
4 Current adjustment

1 Accuracy class
2 Measuring range

1 Thermocouple
2 Thermometer
3 Spiral heating wire

1 Function selection
2 Measuring range selection