The disregard of this specification can affect the measuring
results.
Spattered milk may cause burns. Only use milk frother
with lid.
F U N C T I O N T E S T S
9.6Milk frother tests
Prerequisite
Use newly opened UHT, full fat or semiskimmed milk at fridge temperature (+ 8 °C till + 10 °C) for the following tests only.
9.6.1 Measure hot milk temperature
•Prepare 240 ml hot milk in milk frother (use mixer without spring).
•Measure temperature immediately after preparation in jug.
The milk temperature should be between + 60 °C and + 70 °C (140 °F till 158 °F).
9.6.2 Measure milk froth ratio
•Prepare cold milk froth out of 120 ml milk in milk frother (use whisk with spring).
•Empty content of milk frother into measuring beaker.
•Determine the ratio x [%] of milk froth to liquid milk with following formula:
x = | H2 H1 |
× 100 | |
| H1 |
Approximate values: |
|
direct after preparation | x = 250 |
60 sec after preparation | x = 190 |
138Citiz service manual
