Performing 2-Point Calibration; Sample Measurement; Temperature Measurement; Barometer Pressure Measurement - OHAUS STARTER 400D Manual De Instrucciones

STARTER 400D Portable DO Meter
Once you have completed your 1-point calibration, you have 3 options new:
o
o
o
4.1.3

Performing 2-point calibration

Perform the 1-point calibration.
Place the probe in the zero oxygen solution and press button-
The meter reaches the endpoint automatically.
screen.
Pressing and holding button-
4.2

Sample measurement

Dissolved oxygen readings can display unit of mg/L or %.
Place the DO probe in the sample. Press
When the meter reaches endpoint, the measurement reading will freeze on the screen.
4.3

Temperature measurement

For better accuracy, we recommend the use of the temperature probe. If a temperature probe is
used, ATC and the sample temperature are displayed.
STDO21 has a built-in temperature probe.
4.4

Barometer pressure measurement

Barometric pressure influences the DO value.
STARTER 400D has a built-in barometric pressure sensor which can measure the barometric
pressure automatically. This meter uses barometric pressure unit KPa (kilopascal).
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Press button- to finish 1-point calibration then return to measurement screen.
Press button- to reject calibration and return to measurement screen.
Press button- to complete a 2-point calibration (after preparing the zero
oxygen solution and putting STDO21 into it).
will display the calibration data.
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0% will display then return to measurement
to start the measurement.
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