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DE Operating Procedures Procedural Considerations

Release 0 34-ST-25-20 MC Toolkit User Manual 27

7/03

Input Calibration (De Transmitters) - Correct Input (Zero), LRV, URV; Reset Corrects

Set-Up On Bench

A typical bench set-up is shown at right.

Connect the MC Toolkit as indicated, and

establish communication with the

transmitter.

For these procedures, components in the

current loop are not critical, provided that

they support reliable communication

between the transmitter and the MC Toolkit.

If a Honeywell ST 3000 Pressure

Transmitter is being calibrated, positioning

(leveling) is important, because the meter

body contains fluids that can affect zero

sensing.

Enter

(configure)

values for

LRV and

URV

From the DE MAIN MENU, select Configure to call up the

DE CONFIGURE display.

a. Use the PV Units to select the appropriate Engineering

Units.

b. Using the keyboard, enter the desired LRV and URV

values.

c. Select the Send button to copy all newly entered values to

the transmitter. When the copy operation is complete,

Send will be displayed in half intensity.

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Compaq MC-1 Manuale Utente Pagina 35