Welch Allyn 9600 Plus Mode D'emploi page 37

Directions for Use
authorized Welch Allyn Service center immediately for
calibration.
2. Ensure no one has tampered with the 9600 Plus Calibration
Tester. If someone has tampered with the unit or the
calibration label(s), the calibration settings and warranty are
void. Send it to an authorized Welch Allyn Service center
immediately for calibration.
3. Ensure the 9600 Plus Calibration Tester is not exposed to
extreme temperatures that can damage the precision
thermistor. Exposure to high heat can cause the resistance
versus temperature characteristic of the unit to shift, causing
the 9600 Plus Calibration Tester to become inaccurate. Send
it to an authorized Welch Allyn Service center immediately for
calibration.
Chapter 4 Maintenance 29