Ysi Pro2030 User Manual download pdf (Page 13)

RESETTING THE SYSTEM SETUP MENU

TO FACTORY DEFAULT

To reset the Pro2030 settings to factory default, press the down arrow key while

in the System Setup menu until the Reset - box is highlighted, then press

enter. The instrument will ask you to confirm the reset. Highlight Yes and press

enter to continue with the reset or highlight No and press enter to cancel the

reset. A Factory Reset will not affect data saved in the instrument’s memory.

The following will be set in the Pro2030 after performing a reset:

Parameter Reset Defaults

DO Local% Off

LDS (Last Digit Suppression) Off

Quick DO Cal Off

Audio On

Contrast Set to mid range

Dissolved Oxygen Sensor Type Last Setting Confirmed

Dissolved Oxygen Membrane Type Last Setting Confirmed

Dissolved Oxygen Auto Stable Off (0.0 % Change and 10 seconds)

Dissolved Oxygen Units mg/L and %

Conductivity Units cond mS/cm and spc mS/cm

Conductivity Auto Stable Off (0.0 % Change and 10 seconds)

SPC Reference Temperature 25°C

SPC Temperature Coefficient 1.91%/°C

TDS Constant 0.65

Temperature Units °C

Pressure Units mmHg

Language English

Auto Shutoff 30 minutes

Dissolved Oxygen Calibration Reset to 100% for enabled

membrane and sensor.

Conductivity Calibration Cell constant reset to 5.0

Barometer Calibration Reset to factory default*

*It is recommended to perform a barometer and dissolved oxygen calibration

after performing a reset.

C A L I B R A T I O N

TEMPERATURE

All Pro2030 cables have built-in temperature sensors. Temperature calibration is

not required nor is it available.

BAROMETER

The barometer in the Pro2030 is calibrated at the factory. The barometer reading

must be accurate to ensure accurate DO% calibrations and readings. If the

barometer requires an adjustment, use the up or down arrow keys to highlight

the barometer box along the bottom of the Run screen, then press enter. Next,

use the up or down arrow keys to adjust the barometer reading to the local, true

barometric pressure. Continually depress the up or down arrow key to change

the barometer value more rapidly. Press enter to confirm and save the barometer

adjustment.

Although the Pro2030 barometer range is 400.0 to 999.9 mmHg, you will be

unable to adjust the value across the entire range. The barometer is very accurate

and the instrument will not allow you to adjust the value drastically beyond what

it is measuring.

DISSOLVED OXYGEN

The dissolved oxygen sensor can be easily calibrated with the press of two or

three keys by enabling Quick DO Cal in the System Setup menu and following

the Quick DO Calibration procedure.

Ensure the barometer is reading accurately before performing a Quick DO Cal,

DO% or DO Local% calibration because these calibration procedures use the

barometer reading during calibration. If the barometer reading is erroneous

during a calibration, the dissolved oxygen measurements will be inaccurate.

Do not use a barometer value that is corrected to sea level. Laboratory

barometer readings are usually “true” (uncorrected) values of air

pressure and can be used “as is” for barometer calibration. Weather

service readings are usually not “true”, i.e., they are corrected to sea

level, and therefore cannot be used until they are “uncorrected”. An

approximate formula for this “uncorrection” is:

True BP = [Corrected BP] – [2.5 * (Local Altitude in ft above sea level/100)]

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Ysi Pro2030 User Manual Page 13

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