Fluke Hydra Series II User Manual page 42

2635A
Users Manual
USE H AND L TERMINALS FOR TWO CHANNELS ON REAR PANEL INPUT MODULE.
CONNECTIONS FOR CHANNEL 8 ARE SHOWN HERE WITH CHANNEL 18 PROVIDING
THE ADDITIONAL TWO CONNECTIONS.
FOR EACH 4-WIRE CONNECTION, ONE SENSE CHANNEL (1 THROUGH 10) AND
ONE SOURCE CHANNEL (SENSE CHANNEL NUMBER +10 = 11 THROUGH 20) ARE USED.
1-16
2-WIRE (2T) CONNECTION
11 12 13 14 15 16 17 18 19 20
SOURCE
H L H L H L H L H L H L H L H L H L H L
(4-WIRE)
SENSE
H L H L H L H L H L H L H L H L H L H L
(4-WIRE)
1 2 3
USE H AND L TERMINALS FOR ANY CHANNEL.
• CHANNEL 0 ON FRONT PANEL
• CHANNELS 1 THROUGH 20 ON REAR
PANEL INPUT MODULE (CHANNEL 8 SHOWN HERE).
4-WIRE (4T) CONNECTION
11 12 13 14 15 16 17 18 19 20
SOURCE
H L H L H L H L H L H L H L H L H L H L
(4-WIRE)
SENSE
H L H L H L H L H L H L H L H L H L H L
(4-WIRE)
1 2 3
Figure 1-6. Two-Terminal and Four-Terminal Connections
4 5 6 7 8 9 10
4 5 6 7 8 9 10
RESISTANCE
OR
RTD SOURCE
RESISTANCE
OR
RTD SOURCE
op06f.eps