HP M2350A Service Manual page 264

Checking Patient Safety
Preparing Test Equipment .
Preparing Test Equipment
Each safety check listed may be performed using a Dempsey Safety Analyzer, Model 431F
(analog readout) or Model 431F-1D (digital readout). These instruments are available from:
Neurodyne-Dempsey Division of Dynatech Nevada, Inc.
2000 Arrowhead Drive
Carson City
NV 89701, U.S.A.
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1. EXTERNAL TEST:
2. l/2 AMP SOURCE: '
3. COLOR CODED JACKS:
4. TEST RECEPTACLE:
5. FUNCTION SWITCH:
6. SELECTOR SWITCH:
7. PRESS TO APPLY LINE
VOLTAGE: [ RED BUTTON 1
8. REVERSE POLARITY:
9. OPEN GROUND:
IO. OPEN NEUTRAL [Ll]:
11. ACTIVE TEST CURRENT:
12. PRESS TO APPLY DC ONLY:
13. POWER UNE TEST:
14. LED INDICATORS:
15. READOUT:
Figure 11-l. Dempsey safety Analyzer, Model 431F-1D
For the Chassis to Ground Resistance Test, an alternate test setup may be constructed, using
any high-impedance multimeter capable of measuring milliohms. See Table 11-l and Figure 11-2
for more information.
11-2