Veris Technologies VIS_NIR Spectrophotometer - Operating Instructions - Manual (Page 41)

Pub# OM17-NIR Shank
4-2
c) Continue to check each coulter electrode in succession,
left to right.
d) If any coulter electrode exhibits no continuity or
resistance higher than 2 ohms, refer to the maintenance or trouble
shooting sections for possible causes.
Note: It is advisable to perform this test on a routine basis (weekly or every
20-25 hours of data collection) to ensure you are obtaining reliable data.
Instrument Signal Testing – The Veris MSP EC Manager is shipped with an Instrument
Test Load (Part No. 10447) that will enable you to quickly check the instrument to
ensure that it is functioning properly. To perform this test, do the following:
1) Disconnect the signal cable from the amp pin (signal) terminal on the auxiliary
case.
2) Connect the test load to the signal terminal.
3) Switch on the unit and perform System Check and Data Acquisition.
4) The display should show: (See Figure 30)
Shallow 3 (approx.)
Deep 27 (approx.)
5) If the readings vary significantly (more than one whole number) contact Veris
service department.
6) Once the test is complete, remove the test load and reinstall the implement
signal cable.
Figure 4
Connect to coulter
blade
Ohmmeter
Connect one lead to Test Box
terminal (corresponding to
each coulter)
Test Load
Figure 3