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Analog Output Calibration Procedure
1. From the previous step in the Setup procedure press UNITS > CAL is displayed.
2. Ideally you should directly connect the analog input device to the Analog Option card to calibrate the
analog output, but a digital multimeter can also be used to establish the initial calibration. Fine adjustments
can then be made when connected to the user instrument.
3. Press SELECT > ZERO is displayed. Always perform the ZERO calibration prior to the SPAN adjustment
4. Use the following keys to adjust the analog output signal during the Zero and Span calibration
TARE will add +0.1 % SELECT will subtract -0.1 %
PRINT will add +5.0 % UNITS will subtract -5.0 %
When setting the ZERO adjustment approach the analog zero setting from the positive side of zero
Example: On a 4 to 20 mA adjustment, make the necessary adjustments until just slightly above 4.00 mA.
Then press the SELECT key until the external device indicates 4.00 mA. Do not press SELECT again as this
may cause non-linear readings at intermediate weight values
5. Press ZERO > ZERO is displayed
6. Press UNITS > SPAN is displayed
When setting the SPAN adjustment approach the analog span setting from the low side of span
Example: On a 4 to 20 mA adjustment, make the necessary adjustments until just slightly below 20.00 mA.
Then press the TARE key until the external device indicates 20.00 mA. Do not press TARE again as this may
cause non-linear readings at intermediate weight values. NOTE: It is recommended to re-check the Zero
calibration setting if signicant adjustments were made during the Span calibration to insure proper adjustment
7. Press ZERO > SPAN is displayed
8. Press TARE until OPTIONS is displayed
Install and Congure a T-Series Analog Option Card
Setup Procedure
1. Press and hold F1 until PASS is displayed…
release F1 > 0 is displayed
2. Enter 3 0 8 8 and press ZERO > BUSY is
displayed and then SETUP
3. Press SELECT > CALIB is displayed
4. Press UNITS until > PORTS is displayed
5. Press SELECT > SERIAL is displayed
6. Press PRINT > OPTIONS is displayed
7. Press SELECT > BUS 1 is displayed
8. Press SELECT > ENABLE is displayed
9. Press SELECT > OFF is displayed. If ON is
displayed continue to step 11
10. Press UNITS > ON is displayed
11. Press ZERO > ENABLE is displayed
12. Press UNITS > AN.OUT is displayed
The LO and HI settings set the output range of
operation for the selected system parameter Initial
default settings: LO = 0 and HI = 5000 (default
capacity of the indicator)
13. Press SELECT > LO is displayed
14. Press SELECT > previous value is displayed
Enter the minimum value where the analog output
signal range begins. Typically, LO = 0 but any
value can be entered to set the starting point for
the minimum analog output signal
15. Press ZERO > LO is displayed
16. Press UNITS > HI is displayed
17. Press SELECT > previous value is displayed
Enter the maximum value where the analog
output signal range ends. Typically, HI = the
capacity of the scale but any value can be entered
to set the end point for the maximum analog
output signal.
18. Press ZERO > HI is displayed