Switch Test - Baker Hughes Druck DPI 800 Bedienungsanleitung

6. Before you disconnect the instrument, isolate and bleed the system.

2.5 Switch Test

DPI 802/802P only. To do tests on a pressure switch:
1. Connect the instrument (Figure 4) and, if necessary, adjust the Set Up (Table 1).
2. Select the applicable switch test from Select Task (Table 2/Table 3) and, if necessary, adjust
the Settings (Table 4). The display shows the switch condition (open or closed) in the top
right-hand corner.
3. If necessary, do a zero correction (Table 4).
4. Slowly apply pressure to the system until the switch changes condition (open or closed).
5. Slowly release the pressure until the switch changes condition again. The display shows the
pressure values to open and close the switch.
6. To do the test again, press ESC to reset the values.
+
-
Figure 3: Example Configuration - Leak Test
P1
MENU
ESC
OK
5.88
HOLD
5.74
0.14
= 2.76 ... /min
Start
P1
MENU
OK
30 ... g
5.03
(@16:11:18)
- (@16:11:35)
Settings
Copyright 2003 Baker Hughes Company.
English–DPI 800/802 Instruction Manual | 13