KOSO Compatible Fisher 3800 Series Positioner Calibration Method
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Fisher 3800 series locator 1: Press the up, down, left, and right buttons simultaneously to switch to Chinese. 2. Detailed settings: Power-off state —– (Valve open / Valve closed)3. Press ▶ to change the pressure unit to —– KPA
4. Press ▶ to set the lower limit of the input range to —– 4.0mA
5. Press ▶ to set the upper limit of the input range to —– 20mA
6. Press ▶ to select the input characteristic as —– Linear
7. Press ▶ to set the transmitter output at full stroke to —– 4.0mA (valve closed)
8. Press ▶ to save and exit; a message will appear stating (Press ▶ for 3 seconds to activate the valve)
9. Press ▶ to enter stroke calibration ➡ Automatic; a message will appear stating (Press ▶ for 3 seconds, and the valve will move to start automatic scanning)