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5. CONDUCTIVITY/TDS mode indicator
6. CONDUCTIVITY/TDS unit indicator
7. CONDUCTIVITY/TDS reading
8. TEMPERATURE reading
9. TEMPERATURE unit indicator
OPERATION MODES AND KEYPAD OPERATIONS
A. Operation Modes
VisionPlus EC 330 meter has 3 operation modes:
1. Measure Mode. Measure Mode is used to make all
conductivity or TDS and temperature measurements.
2. Calibration Mode. Calibration Mode is used to perform
1 or 2 point calibration.
3. Hold Mode. Hold Mode is used to display the locked
reading for increased ease of use.
B. Keypad Operations
Key
Operation
Mode
Duration Function
Hold
Measure
0 second
Holds current
measurement reading.
Press again to resume
measuring.
Hold
0 second Returns to Measure Mode.
Measure
5 second . Erases all stored data.
Cal
Measure
0 second Enters Calibration Mode.
On/Off
All
0 second Turns meter on/off.
Mode
Measure
0 second
Selects display mode:
conductivity (
℃
),
conductivity (
℉
),TDS(
℃
)
and TDS(
℉
).