Instructions Manual

Pub. #OM17-MSP3
4-41
“Cycling” means the sampler assembly is in the process of washing, and lowering for soil sampling.
After a core has been collected and is being held against the electrodes, the status text will change
to the following:
Figure 101
The pH readings on the display show what each electrode is reading at every second. The
sampler will hold the soil against the electrodes and continue to record pH until the readings settle.
The minimum recording time is 7 seconds; the maximum time is determined in the pH settings
menu. The pH values that are recorded are the final values at the end of the logging duration. (last
reading on the display before the “Cycling” status appears). The final pH value is logged along
with the DGPS position where the sample was collected.
If the electrodes take longer than 10 seconds to settle, a warning will appear that indicates the
number of seconds the reading has required to settle. When the maximum log time is reached, the
unit initiates a new sample cycle (refer to Controller setup for adjusting the log time).
Figure 102
This time warning is to let the operator know that a measurement cycle is requiring excessive time.
While an occasional cycle may exhibit this warning; see the troubleshooting section if this occurs
frequently.
The Veris MSP pH Manager uses two electrodes for optimal data quality. If there is a difference of
0.75 or greater between the final electrode readings, the software will beep and the pH readings
will flash, informing the operator of the erroneous reading.
To pause the data collection process at any time (but keep the same file), press Engage button.
Once the sampling process has completed its cycle, it will disengage and the status text message
will indicate disengaged (press Engage to start cycling again). If the system no longer senses a
speed signal from the GPS, it will also disengage. NOTE: do not depend on the GPS speed signal
for disengagement.
Before inspecting or working around any
component of the system, press the Engage key
and ensure the engage light is red before exiting the
vehicle. Sporadic GPS signals may simulate
movement and initiate the cycling process,
resulting in possible entanglement and injury.