Page 34
Calibrate a 2-Wire Thermocouple or RTD Transmitter by
sourcing the input while monitoring the output.
Move the power switch
w
to SOURCE and Double click the
e
DIAL KNOB and the MAIN menu for the function in use will
appear for 15 seconds:
Turn the
e
DIAL KNOB to move to
FUNCTION.
Select
T/C
or
RTD
for the
FUNCTION
,
°F
or
°C
for the
UNITS
, and the
T/C
or
RTD Type
. Turn the
e
DIAL KNOB to move to the third
menu page so the word
mA DISPLAY
appears at the top of
the menu.
Turn the
e
DIAL KNOB to move through the menu. Press the
e
DIAL KNOB to toggle between
OFF
and
ON
or to change the
mA MODE
setting.
mA MODE
- pressing the knob will cycle through READ, PWRM,
READ% ,PWRM% and OFF.
READ
turns on the mA display and indicates current passing
through the loop proportional to the input of the transmitter
which is controlled by the output of the 525Plus. Choose
READ%
if your would like the mA display in percent of 4-20
milliamps.
PWRM
is POWER MEASURE which uses the internal loop
supply of the 525Plus to power up the transmitter while
mA DISPLAY
> EXIT (3/4)
mA MODE
OFF
READ PWRM READ% PWRM%
HART 250
Ω
OFF
ON
LEAK DETECT OFF
ON
MAIN
>EXIT (1/4)
FUNCTION RTD
UNITS
°C
°F
RTD Pt 100
a
=3850
MAIN
>EXIT (1/4)
FUNCTION
T/C
UNITS
°C
°F
T/C TYPE
J
COLD JUNC
ON
www.
GlobalTestSupply
.com
Find Quality Products Online at: