Schneider Electric Pressure Transmitter IDP50S-T

Ensure all required tools are available

Follow the required protocol to remove the device from online operation

Override the milliamp output to the High Failsafe setting

Confirm the milliamp output corresponds to 21.0 mA

Override the milliamp output to the Low Failsafe setting

Confirm the milliamp output corresponds to 3.6 mA

De-energize transmitters before removing threaded housing covers

Ensure no flammable or combustible atmosphere is present before disconnecting equipment

Turn off the transmitter power source

Turn the cover lock screw clockwise to disengage the lock (if applicable)

Remove the covers from the field terminals and electronics compartments by rotating counterclockwise

Remove the digital display by rotating it counterclockwise (if applicable)

Loosen the two captive screws and remove the electronics module from the housing

Access the transmitter’s top level menu

Navigate to TST DSP and initiate the test

Step through the five test patterns

De-energize transmitters before removing threaded housing covers

Ensure no flammable or combustible atmosphere is present before disconnecting equipment

Remove the vent plug by unscrewing it counterclockwise

Clean the angled sealing surface on the housing

Lubricate the o-ring and the threads on the new plug with silicone lubricant

Install the new plug into the housing by screwing it clockwise

Torque the new plug to 0.9 ±0.02 N-m (8 ±0.2 lbf-in)

Verify the installation of the new plug

Ensure the FoxCalTM feature is enabled before starting calibration

Verify that the input pressure accuracy is at least four times better than the transmitter’s reference accuracy specification

Perform calibration at LRV point

Perform calibration at URV point

Is the FoxCalTM feature disabled after URV calibration?

Rezero the transmitter output after stabilization at final operating temperature?