Xylem EZ100 Sensor Display User Manual
Page 8

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VIII. Appendix A: Display Calibration
a. Remove the front cover of the EZ100 to show the rear of the display.
b. The Display must be connected to a 4-20mA sensor or current loop
meter to work properly.
c. Use the following diagram and tables to determine the correct DIP
switch settings for the attached sensor.
Figure 2.
Minimum
Reading
(4mA)
Maximum
Reading
(19/20mA)
SW1 SW2 SW3 SW4 SW5
0–1200
1200-1999 Off Off Off Off Off
0-600
600-1200
On Off Off Off Off
0-400
400-600
Off Off On Off Off
0-200
200-400
On On On Off Off
0-100
100-200
On On On On Off
d. Determine the highest and lowest reading for the display. This is the
value that will be displayed at the maximum and minimum output
currents of the sensor, Water Level = 0-15 feet, Humidity = 0-100%,
etc. Ignore the decimal point and set DIP Switches 1-5 based on the
above table: