YSI 6 series Manual do Utilizador descarregar pdf (Página 6)

ORP/REDOXCALIBRATIONTIPS

1. The ORP and pH sensors are combined on all current YSI sondes. You must calibrate the pH sensor

first and insure that it is working properly before you calibrate the ORP. If the pH probe will not

calibrate for any reason, then the ORP has been disabled as well.

2. Warning: On the 6569 combination pH/ORP sensor, the guard has been removed to allow the wiper

on the 6600V2 sonde to clean the junction and the glass bulbs. Handle this sensor with care so that

the glass bulb is not broken during calibration and handling.

3. Reference the sonde manual for reconditioning tips and cleaning instructions.

4. When calibrating the ORP sensor, the sonde’s temperature sensor must be submerged in the Zobell

calibration solution.

CALIBRATION CHART

Temperature Celsius Zobell Solution Value, MV

-5 270.0

0 263.5

5 257.0

10 250.5

15 244.0

20 237.5

25 231.0

30 224.5

35 218.0

40 211.5

45 205.0

50 198.5

NOTE: All ISE sensors, i.e. Ammonium, Nitrate, Chloride, requires the pH and

temperature probe to be in solution during calibration.

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YSI 6 series Manual do Utilizador Página 6