Ysi ODO200 User Manual download pdf (Page 18)

7. After entering the Sensor Cap Coefficients, perform a 1-point

calibration as described in the Calibration Section.

8. Press and hold the CAP key for 3 seconds at any time to exit and

cancel the cap coefficient update.

If errors are made in entering the Sensor Cap Coefficients, the

instrument will block the update and an error message will appear

on the display and the instrument will return to the K1 entry screen. If

you see this error message, re-enter the coefficients and check them

carefully for correct transcription from the Calibration Coefficient Label.

The coefficient values are hexadecimal. Due to the EcoSense ODO200’s

display, 6 and b look very similar. Hexadecimal values on the ODO200

will be displayed as: A, b, C, d, E, F, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

If you continue to get an error message after several entry attempts,

contact YSI Technical Support for assistance.

REHYDRATING THE SENSOR CAP

The Sensor Cap must remain in a moist environment; see Sensor

Storage for storage recommendations. If the sensor cap is allowed to

dry out, it is likely to drift slightly at the beginning of your next study

unless it is rehydrated. If the cap dries out, you can rehydrate it by

soaking the probe tip with the sensor cap installed in room temperature

tap water for 24 hours. After rehydration is complete, recalibrate and

be sure to store the probe in a moist environment.

SENSOR MAINTENANCE - TEMPERATURE

You must keep the temperature portion of the sensor free of build

up. Other than that, the sensor requires no maintenance. A soft bristle

brush, like a tooth brush can be used to scrub the temperature sensor

if needed.

SENSOR STORAGE

SHORT-TERM STORAGE

When the ODO sensor is not in use, store it in a moist environment.

For short-term storage (less than 30 days), moisten the sponge in the

calibration/storage sleeve with a small amount of clean water and place

this over the probe with the sensor cap and sensor guard installed. This

will provide a 100% saturated air environment.

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Ysi ODO200 User Manual Page 18