Fluke 9143-A-P-156 Product Manual - Page 31

mA Connectors 2, PRT/RTD Connector 3

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Probe Connector 15 6 23 4 Shield Quick Start Parts and Controls RTD Sensor Figure 8 Probe connector wiring A two-wire probe can also be used with the reference thermometer. It is connected by attaching one wire to both pins 1 and 2 of the plug and the other wire to both pins 4 and 5. If a shield wire is present, it should be connected to pin 3. Accuracy may be significantly degraded using a two-wire connection because of lead resistance. 4-20mA Connectors (2) The 4-20mA connectors allow current and/or voltage probes to be connected for measurement of associated devices. PRT/RTD Connector (3) The 4-wire PRT/RTD connectors allow the user to connect 3-wire and 2-wire (with jumpers, see Figure 9 on next page) PRT/RTDs to the readout. The correct wiring for the 4-wire PRT/ RTD is shown on the instrument. Figure 9 shows the correct wiring for a 2 or 3-wire PRT/RTD (see Section 1.5.2 Immunity Testing on page 8 for information on using clamp-on ferrites). 25 MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664

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25
Quick Start
Parts and Controls
Figure 8
1
2
4
5
RTD Sensor
Probe Connector
3
Shield
6
Probe connector wiring
A two-wire probe can also be used with the reference thermometer. It is connected by attach
-
ing one wire to both pins 1 and 2 of the plug and the other wire to both pins 4 and 5. If a shield
wire is present, it should be connected to pin 3. Accuracy may be significantly degraded using a
two-wire connection because of lead resistance.
4-20mA Connectors (2)
The 4-20mA connectors allow current and/or voltage probes to be connected for measurement
of associated devices.
PRT/RTD Connector (3)
The 4-wire PRT/RTD connectors allow the user to connect 3-wire and 2-wire (with jumpers,
see Figure 9 on next page) PRT/RTDs to the readout.
The correct wiring for the 4-wire PRT/
RTD is shown on the instrument. Figure 9 shows the correct wiring for a 2 or 3-wire PRT/RTD
(see Section 1.5.2 Immunity Testing on page 8 for information on using clamp-on ferrites).
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com