Battery Removal And Replacement - Welch Allyn SureTemp 678 Technical Manual

Technical Manual
This type of sterilization may cause some hazing of glossy plastic surfaces and should
be used only when absolutely necessary.
1. Ensure that the probe is removed from its storage well and disconnected from the
instrument.
2. Remove any probe covers from the probe and from the probe cover storage well.
3. Remove the batteries following the instructions in the Battery Removal and
Replacement section below.
WARNING: Leaving batteries in the thermometer during the sterilization
4. Wrap the thermometer in a standard sterilization type packaging such as the
Baxter Tower Dualpeel Sterilization Pouch.
5. ETO gas sterilize at a temperature not to exceed 48.9 C (120 F) and aerate.
6. Remove the sterilization packaging.
7. Before installing the batteries and probe, allow the probe and instrument to
stabilize to room temperature for at least one hour.
8. Reinstall the batteries (see Battery Removal and Replacement below) and verify
a successful self test.
9. Install the probe connector and insert the probe into the storage well to start the
probe initialization process.
10. Verify proper calibration of the thermometer and probe using the Welch Allyn
Model 9600 Calibration Tester.

Battery Removal and Replacement

1. Using a flat surface, lay the thermometer on its front panel.
2. Remove the PROBE COVER BOX HOLDER on the back of the instrument by
pressing with thumb and middle finger on the "dimples" located in the sides of
PROBE COVER BOX HOLDER. The batteries are located under the PROBE
COVER BOX HOLDER.
3. Remove the batteries by pulling on the ribbon located under them.
4. Press either the Mode or the Timer button for approximately five seconds to
discharge the electronics.
5. Install 3 new "AA" batteries according to the battery polarities marked inside the
battery compartment. Verify that the thermometer completes self-test, then goes
blank.
CAUTION: Incorrect battery polarity may result in damage to the thermometer.
6. Reinstall the PROBE COVER BOX HOLDER.
2-2
procedure may present an explosion hazard.
Welch-Allyn, Inc.