Fluke Biomedical 2MF Index - Manual (Page 114)

Index 2MF
Users Guide
G-2
1
2
3
4
5
6
7
OPTIONAL CALIBRATING RESISTOR
OPTIONAL SHIELDING
PHOTODIODE
LEDs
IR
R
esl159.eps
Figure G-1. Typical Oximeter Probe
The Simulator is designed to find all these failure modes. Note, as shown in Figure G-2,
that the LEDs may be connected in one of four ways:
1. Back to back (typical of Nellcor)
2. Common cathode
3. Common anode (typical of Ohmeda)
4. Completely separate