Hach sensION+ MM150 User Manual

23
8. Error messages
Display Caused by Action
Measurement out of range: pH, mV, CE, TDS or
Temperature.
Check sensor.
Low battery charge. Replace the batteries.
E1
Unstable reading during a stability measurement
or during calibration.
100-second timeout.
Check that the sensor is properly immersed in
the sample.
E2
- pH electrode sensitivity out of range. Accepted
values 70-105%
- The difference between the conductivity cell
constants obtained > 30%
Connect a new sensor.
E3
- Asymmetry potential out of range.
Accepted values ± 58 mV.
- During calibration,
he cell constant obtained < 0.05 cm
-1
Connect a new sensor.
E4
Buffer solution not recognised.
Check sensor.
Check buffer solution.
E5
Same buffer solutions.
Check sensor.
Check buffer solution.
E6
The calibration solutions have different
temperatures.
Adjust the calibration solutions to the same
temperature.
ENGLISH
sensION+ MM150 HACH 0710.indd ANG:23sensION+ MM150 HACH 0710.indd ANG:23 7/9/10 13:03:057/9/10 13:03:05

Hach sensION+ MM150 Specifications

General

Brand	Hach
Model	sensION+ MM150
Category	Measuring Instruments
Language	English