User's Manual

6 71221-0000 Rev. H
Four probe types are available and interchangeable on the thermometer:
1. A blue Oral/Axillary probe with a short (standard) coiled cord
2. A red Rectal probe with a short (standard) coiled cord
3. A blue Oral/Axillary probe with a long coiled cord
4. A red Rectal probe with a long coiled cord
2.1.3 Probe well
This unit has a removable probe well to allow for ease of cleaning and replacement. The blue
probe well is used with Oral and Axillary probes, and the red probe well is used with Rectal
probes.
2.1.4 Probe covers
The SureTemp
®
Plus Thermometers must use the standard Welch Allyn
®
thermistor probe
covers, Part No. 05031. The probe covers are compatible across all Welch Allyn
®
thermistor-
based thermometers.
2.1.5 Batteries
The Model 690 and 692 thermometers use three standard alkaline AA batteries, which provide
longer life than standard AA batteries. No battery charging is available. The thermometer
display will indicate when the batteries need replacement.
2.1.6 Wall Mount
The wall holder is easily secured to a wall. A locking mechanism with a removable key for
securing the instrument is standard on the Model 692 Thermometer and is available as an
option for the Model 690. Through the use of available long cord probes, the thermometer may
be used without removing it from the wall holder.