8
USING APOGEE OXYGEN SENSORS WITH ZENTRA SYSTEM
Table 2 Troubleshooting (continued)
Problem
Possible Solution
Sensor values are not reasonable Sensor has not been calibrated. See
.
Condensation on the filter membrane is preventing oxygen
diffusion to the sensing element. See
Cable or stereo plug
connector failure
If the stereo plug connector is damaged or needs to be replaced,
contact
for a replacement connector or
splice kit.
If a cable is damaged refer to the METER
for
cable repair.
It is recommended that Apogee oxygen sensors be recalibrated periodically to maintain best
accuracy. See
for directions on calibrating the sensor. Refer to the
(apogeeinstruments.com/so-411-sdi-12-soil-response-thermistor-reference-
oxygen-sensor)
5. CUSTOMER SUPPORT
NORTH AMERICA
Customer support representatives are available for questions, problems, or feedback
Monday through Friday, 7:00 am to 5:00 pm Pacific time.
Email:
Phone:
+1.509.332.5600
Fax:
+1.509.332.5158
Website:
EUROPE
Customer support representatives are available for questions, problems, or feedback
Monday through Friday, 8:00 to 17:00 Central European time.
Email:
Phone:
+49 89 12 66 52 0
Fax:
+49 89 12 66 52 20
Website:
