How to Calibrate a Rosemount 1151 Pressure Transmitter

Calibrating the Rosemount Model 1151 Pressure Transmitter is simple and easy. With the aid of an accurate pressure source, an output meter, a power source and external span and zero buttons on the transmitter, the device can easily be calibrated. The zero and span adjustment screws are accessible externally behind the nameplate on the terminal side of the electronics housing. To calibrate the transmitter, setup the equipment required - pressure source, Rosemount 1151 pressure transmitter, Current meter to measure current output from transmitter, power source, pressure gauge (covering the LRV and URV of transmitter), a 250 ohm resistor if necessary for communication with transmitter - as shown below:
 

The output of the transmitter increases with clock wise rotation of the adjustment screws. The zero adjustment screw does not affect
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