Om Signal Testing - Veris 3150 MSP3 Operating Instructions Manual

Procedure #1: OM Signal Testing
Perform this test daily or every 10 hours of data collection to ensure you are obtaining reliable
data, and whenever EC data is questionable. The purpose of this test is to insure that the
instrument is performing properly.
The VSense Controller is shipped with an Instrument Test Load (Part No. 46403) that will enable
you to quickly check the instrument to ensure that it is functioning properly. To perform this test:
1) Disconnect the optical power cable from the OpticMapper/EC Controller.
2) Connect the test load to the Optical Power port.
3) Switch on the OpticMapper and view display on SoilViewer.
4) The display should show:
Red: 833 +/-10
IR:
5) If the readings vary significantly contact Veris service department.
6) Once the test is complete, remove the test load and reinstall the optical power cable.
Figure 1.1 OM Signal Test Load installed
289+/-10
OM Signal Test Load
6-2
Pub. # OM20-MSP3-3D