nVision Operation Manual • Page 31
HART.Transmitter.Calibration.(Pressure.versus.Current)
The nVision is capable of calibrating a pressure transmitter:
1 Modules Required: PM (Pressure) and MA20 (Current & Voltage).
2 Determine if HART transmitter is present.
If not, then proceed to Transmitter Calibration
(Pressure versus Current) section.
3 Select desired Current mode (mA, or % 4 –
20mA) using the Setup button.
4 Change the nVision to the Dual Numerical
Screen or any other preferred screen view.
5 Select the proper pressure units for your
nVision using the Setup menu.
6 Connect the nVision as shown.
7 Vent pressure source and Zero (- - - - -) the
nVision pressure module.
8 Apply pressure prole. Test or record pressure
and current readings as required.
9 Before disconnecting the nVision, isolate and
vent the pressure system. Disconnect and
return to service.
PRESSURE
is Our
BUSINESS
TM
+
-
VACUUM PRESSURE
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