Page 26, 2, 3 & 4 wire rtd connections – Practical Instrument Electronics 820-ELITE User Manual

Page 28

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Page 26

RTD Source

Choose this function to provide a simulated RTD signal into
controllers, temperature transmitters, indicators or any input
devices that measure RTD sensors.

Move the power switch

w

to SOURCE then Double Click the

EZ-DIAL knob to get into the Double Click Menu. Turn the knob
to scroll through the settings and press the knob to make your
selection. Select RTD for the FUNCTION, °F or °C for the UNITS
and RTD (Choose from one of Platinum 100Ω, or 1000Ω, Copper
10Ω or 50Ω, Nickel 120Ω or 110Ω curves). Note: Pt 100Ω 3850
is the most common RTD type.

Disconnect all sensor wires from the devices to be calibrated
and connect the PIE 820-ELITE to the inputs of the device using
2, 3 or 4 wires.

Instantly output your SPAN and ZERO output settings by moving
the EZ-CHECK switch between HI and LO. You may also select
any third output setting (such as mid-range) using the SET
position on the EZ-CHECK switch. The output is adjusted in 0.1°
increments by turning the knob

e

. Press and turn the knob for

faster dialing with 10.0° increments.

2, 3 & 4 Wire RTD Connections

SOURCE

HI

SET

LO

OFF

MAX
READ

MIN

READ

OVERLOAD

Hz SYNC

Double Click

Menu

Push & Turn

for

Fast Dialing
Push & Hold

to

Store/Step

READ

Pt 100

α

=3850 °C

820.0

HI

mA ∙ V ∙ pH ∙ TC ∙ Ω ∙ RTD ∙ Freq ∙ Pressure

Instrument with RTD Input

Controller

Temperature Transmitter

Temperature Indicator

Temperature Trip or Alarm

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