FLUKE 2638A/20 120 Hydra Series III Data Acquisition System

User Manual for the Fluke 2638A/20 120 Hydra Series III Data Acquisition System - Page 57

For 2638A/20.

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Input and Channel Configuration
Channel Configuration 3
3-17
4. After the channel is configured, verify that the channel is configured properly and
reading the input. For instructions, see “Verify a Channel” on page 3-12.
Current and Voltage Channels
Refer to Table 3-4 to configure an ac or dc voltage or current channel.
Note
Ch001 can be set up for all measurements. ChX21 and ChX22 are the only
channels that can be set up for current measurements. To expand the
functionality of the Product, current sources can also be connected to
ChX01 through ChX20 by the use of an accessory shunt resistor. See
Chapter 2 for part number and ordering information.
Table 3-4. Current and Voltage Channel Configuration
1
2
3
4
5
hcn042.e
p
s
Item Function
DC voltage, AC voltage, DC current, or AC current function selection.
For voltage, set the voltage range to: Auto, 100 mV, 1 V, 10 V, 100 V, or 150 V. Ch001 can be set to
300 V.
For current, set the current range to: Auto, 100 µA, 1 mA, 10mA, or 100 mA.
Input a custom alpha-numeric label to help identify the channel (optional).
Set an alarm for this channel (optional). See “HI and LO Channel Alarms” on page 3-30.
Apply Mx+B scaling to the measurement (optional). See “Mx+B Scaling” on page 3-29.
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