User Manual

16 tina03e1-b (2004-02) BPG400 v1.om
With the optional extension (→  52) the sensor can also be baked during opera-
tion at temperatures up to 150 °C (only at p<10
-2
mbar because at high tempera-
tures, the accuracy of the Pirani sensor decreases).
Caution
Caution: rising heat
The electronics unit of gauges that are installed vertically, above the
source of heat can be damaged through rising heat even with an in-
stalled extension.
123
Bakeout area
When installing the extension, make sure that the area around the con-
nector is accessible for the tools required for adjustment while the gauge
is mounted (→  44, 47).
When installing the gauge, allow for installing/deinstalling the connectors
and accommodation of cable loops.
If you are using a gauge with display, ensure easy reading of the display.
• Extension (→  52)
• Allen key, size 2.5 mm
• Allen key, size 1.5 mm
 Remove the electronics unit (2) (→  14).
 Slide the sensor (3) into the extension (6) to the mechanical stop (be careful
to correctly position the pins and notch (4)).
 Secure the sensor with the hex socket set screws (7) using an Allen key,
size 1.5 mm.
6
7
3
4
4a
2
1
3.1.2 Installing the Optional
Extension
Bakeout area
Required tools / material
Procedure