26
MW190 Dissolved Oxygen & Temperature Bench Meter
Measurement Messages & Warnings
y
“OUT OF SPEC” is displayed if the measurement exceeds the specified DO probe limits.
The DO range upper limit is displayed blinking.
y
“OUT OF SPEC” is displayed if the temperature is outside temperature compensation
interval. Temperature reading is performed. DO reading is not performed.
y
“TEMP OUT OF SPEC” is displayed if the temperature is outside temperature probe
limit. Temperature limit is displayed blinking. Neither temperature nor DO reading is
performed.
y
“NO CAL” message indicates that the instrument needs to be calibrated or that the
previous calibration has been deleted.
y
“CAL EXPIRED” message indicates the set number of days since last calibration has
elapsed and the instrument needs to be calibrated.
y
“NO PROBE” message is displayed when the probe is not connected.