1-Point Rh And T Adjustment; Return To Factory Calibration - E+E Elektronik EE220 Operating Instructions Manual

Alternative: Press and hold S2 for 3 seconds to exit the adjustment mode without storing the
adjustment data. The LED "Calib" will be deactivated and the symbol "CAL" disappears from
the LC display.
6. Set the calibrator for the second (high) adjustment point and let the probe stabilize for at least
30 min.
7. Press and hold S1 for 3 seconds. The LED "Calib" will light and the symbol "CAL>" will
appear on the EE220 display.
8. Push S1 (up) or S2 (down) to bring the measured value in line with the reference in steps
of 0.1. The actual corrected value is indicated on the display and can be measured at the
analogue output.
Press and hold S1 for 3 seconds to store adjusted value in the EE07 probe and end the
second (high) point adjustment. The LED "Calib" will be deactivated and the display will show
"CAL".
Alternative: Press and hold S2 for 3 seconds to exit the adjustment mode without storing the
adjustment data. The LED "Calib" will be deactivate and the symbol "CAL" disappears from
the LC display.
8.2.2

1-point RH and t adjustment

For best performance, the RH and the T adjustment point shall be selected at the middle of the
RH and T measurement range of main interest.
1. Set the jumper to RH calib or to T Calib.
2. Place the probe into the corresponding calibrator and let it stabilize at the selected RH or T
value for at least 30 minutes.
3. For adjustment point in the lower half of the output scale, press and hold S2 for 3 seconds.
The LED "Calib" will light and the symbol "CAL<" will appear on the EE220 display.
For adjustment point in the upper half of the output scale, press and hold S1 for 3 seconds.
The LED "Calib" will light and the symbol "CAL>" will appear on the EE220 display.
4. Push S1 (up) or S2 (down) to bring the measured value in line with the reference in steps
of 0.1. The actual corrected value is indicated on the display and can be measured at the
analogue output.
5. Press and hold S1 for 3 seconds to store adjusted value in the EE07 probe and end the first
(low) point adjustment. The LED "Calib" will be deactivated and the display will show "CAL".
Alternative: Press and hold S2 for 3 seconds to exit the adjustment mode without storing the
adjustment data. The LED "Calib" will be deactivate and the symbol "CAL" disappears from
the LC display.
8.2.3

Return to factory calibration

During normal measurement mode of EE220 (NOT during adjustment mode!) press and hold
together S1 and S2 for 5 seconds. The return to factory calibration is indicated by one flash of the
LED "Calib".
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Operating instructions for EE220 humidity / temperature transmitter