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34
Disposal
Batteries and electronic instruments must
be disposed of in accordance with the locally
applicable regulations, and not as domestic
waste.
3) Pump the pressure to nearly 100mmHg. Compare the
pressure displayed on the screens of the device and
the reference manometer. For example, the “100 .9”
displayed on the device stands for “100.9 mmHg”.
4) Pump the pressure to nearly 200mmHg. Compare the
pressure displayed on the screens of the device and
the reference manometer. For example, the “201.0”
displayed on the device stands for “201.0 mmHg”.
5) Pump the pressure to nearly 300mmHg. Compare the
pressure displayed on the screens of the device and
the reference manometer. For example, the “301.2”
displayed on the device stands for “301.2 mmHg”.
6) If the difference between the device and the reference
manometer at any calibration point exceeds ±3mmHg
plus the stated accuracy of the reference manometer,
you may contact Welch Allyn to obtain calibration
service.
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