VELTRON II
Air Monitor Corporation
116-011-98.P65 (8/30/10)
VELTRON II - IO&M Manual
SECTION 6 – CALIBRATION
6.4 – TRANSMITTER OUTPUT CALIBRATION (con't)
6. Once an acceptable zero reading is obtained, press
ENT
and then
UP
and display will indicate:
Output 1 Span
7. Press
ENT
, and display will indicate:
Output 1 Span
Perform Calibration
8. With DMM still connected as in Step 4, reading should be at maximum value; 10.00 ± 0.01 volts, 5.00 ± 0.01 volts,
or 20.00 ± 0.01mA.
9. If DMM is reading out of tolerance, use
UP
or
DN
to adjust VELTRON II output for an acceptable DMM reading.
10. Once an acceptable span reading is obtained, press
ENT
and then
UP
and display will indicate.
Output 2 Zero
11.Repeat Steps 3 through 10 for Transmitter Output 2 and Analog Output 3 and 4 if available. For Transmitter Output
2, connect DMM across terminals 2 and 3; for Analog Output 3 across terminals 4 and 6, and for Analog Output 4
across terminals 5 and 6 (see Figure 4.3).
12. Press
UP
until display indicates:
Return to
MAIN MENU
13. Press
ENT
and scroll Main Menu to:
EXIT
Operator Setup
14. Press
ENT
and VELTRON II will return to
Normal
mode of operation.
60
Summary of Contents for VELTRON II
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