Troubleshooting; Lcd Display - Metria M51 Manual De Instrucciones

METRIA M51 Benchtop Conductivity/TDS Meter
Auto-Hold
The METRIA M51 Conductivity/TDS meter contains an Auto-Hold function. If enabled, the meter will automatically sense a stable reading
and lock the
measurements, the HOLD icon appears on the display. If disabled, press the
Press the key to resume measuring.
Meas
Electrode Care and Maintenance
• DO NOT touch the measurement area of electrode and always make sure that is clean.
• If there is a build-up of solids inside the measurement area, these should be removed very carefully with a cotton bud soaked in
solvent, taking care not to touch the metal parts of the inner cell. After the solids are removed, the electrode must be recalibrated.

Troubleshooting

LCD DISPLAY

CAUSE
Electrode dried out
Measured value is out of range
Electrode does not suit the current sample
Setting value does not match calibration
solution
Electrode is broken
Measurement
Area
key, the meter will immediately lock the displayed value.
CORRECTIVE ACTION
Soak the conductivity electrode in tap water for 10 minutes.
Check the electrode whether dirty or broken.
Replace the conductivity electrode.
Reset the calibration value or check the calibration solution.
Replace the conductivity electrode.
13