BUCHI SpeedDigester K-439 - Manual (Page 58)

6 Operation
58 K-439 Operation Manual, Version A
8 .2 .2 Sensors
This submenu enables the user to check the functionality of the following sensors:
Voltage: xx VAC •
Triac temp.: xx °C •
LCD temp.: xx °C •
Temperature sensor 1: xx °C •
Temperature sensor 2: xx °C •
8 .2 .3 Operating Hours
This submenu enables the user to view the operating hours of:
Power-on Time: xx h •
Heating Time: xx h •
Row Left: xx h •
Row Right: xx h •
8 .2 .4 Unit Information
This submenu indicates some unit information:
Version Firmware •
Test Date Print •
Version Print •
Max. Temperature Triac •
Max. Temperature LCD •
8 .2 .5 Service Test
The service test enables the user or engineer to carry out a functionality test, which is also needed for
the Operational Qualification (OQ).