EUTECH INSTRUMENTS 2700 Manual de instrucciones descargar pdf (Pagina 29)

12. Conductivity, TDS, Salinity, & Resistivity

Calibration (manual adjustment)

For best results, periodic calibration with known accurate standards is

recommended prior to measurement. Calibrate with standards that are close in

value to your intended sample(s).

When using multi-point calibration, perform a calibration in each range that you

expect to use

for best results.

If the electrode has been stored dry for some time, soaking in alcohol or clean

water fo

r a few minutes can help performance.

1) Turn meter on, press

MODE if needed for the appropriate mode.

2) Press

CAL if needed to enter calibration mode. Rinse the electrode with

clean water then submerse into your calibration standard.

3) Use the

up/down arrows to adjust the cell constant manually or press NEXT

to keep the nominal cell constant value and proceed with a typical manual

calibration (recommended). If adjusting the cell constant manually, press

ENTER after ‘Stable’ appears to confirm the adjustment.

Before and after a manual calibration constant adjustment

4) The up

per display is the active reading while the lower display is the factory

default value without calibration. Use the up/down arrows to adjust the upper

display to match the desired calibration value. Press ENTER after ‘Stable’

appears to confirm the calibration. The calibrated value, Range (R) that was

calibrated and the calculated cell constant are now shown.

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EUTECH INSTRUMENTS 2700 Manual de instrucciones Pagina 29