15
HYDROS 21
Table 4 Troubleshooting the HYDROS 21 (continued)
Problem
Possible Solutions
Inaccurate EC readings
Check the four electrode array and ensure it is clean and free of
sediment or other debris (
Ensure stainless steel cover is on the bottom of the sensor housing.
Contact
for a replacement if missing.
4.4 CUSTOMER SUPPORT
NORTH AMERICA
Customer service 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 service 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:
If contacting METER by email, please include the following information:
Name
Address
Phone
Email address
Instrument serial number
Description of the problem
NOTE: For products purchased through a distributor, please contact the distributor directly for assistance.
4.5 TERMS AND CONDITIONS
By using METER instruments and documentation, you agree to abide by the METER Group,
Inc. USA Terms and Conditions. Please refer to
metergroup.com/terms-conditions
for details.