YSI Pro-BOD - Manual (Page 11)

9
P
ROBLEM
S
OLVING
Trouble Shooting Guide
Use this quick reference table to correct symptoms you might be
experiencing.
Symptoms Actions
Unable to
calibrate
•
Allow approximately 20 min. and up to 30
min. for probe to polarize when first turned
on
•
Change membrane
•
Clean probe (see instructions under Electrode
Cleaning)
Does not return
to calibration
value
•
Allow sufficient time for temperature and
oxygen stabilization
•
Check for water droplets on membrane
•
Change membrane
•
Clean probe (see instructions under Electrode
Cleaning)
Unstable readings
•
Allow sufficient time for temperature and
oxygen stabilization
•
Allow 60 sec for reading to stabilize
•
Change membrane
•
Clean probe (see instructions under Electrode
Cleaning)