Welch Allyn SureTemp 670 - Table of Contents

Technical Manual
SureTemp
®
Model 670/SureTemp 4
®
Model 675 i
TABLE OF CONTENTS
WARRANTY.........................................................................................................................................1
SPECIFICATIONS................................................................................................................................2
OPERATIONAL CHARACTERISTICS..................................................................................................2
INTRODUCTION...............................................................................................................................2
BASIC SYSTEM DESCRIPTION.......................................................................................................3
Operating Controls and Components.................................................................................................4
Setup.................................................................................................................................................4
Instrument Reset/Self Tests ...........................................................................................................4
Probe Initialization/Self Tests .........................................................................................................5
Normal Mode.....................................................................................................................................6
Monitor Mode.....................................................................................................................................7
Pulse Timer .......................................................................................................................................7
Backlight/Temperature Recall............................................................................................................7
F/C Switch.........................................................................................................................................8
Biotech Mode.....................................................................................................................................8
Battery Life ........................................................................................................................................9
PREVENTATIVE MAINTENANCE......................................................................................................10
Cleaning and Sterilization ................................................................................................................10
Routine Cleaning..........................................................................................................................10
ETO Gas Sterilization Procedure..................................................................................................10
Battery Removal and Replacement .................................................................................................11
CALIBRATION TESTING ...................................................................................................................12
Calibration Key Procedure...............................................................................................................12
Model 9600 Procedure ....................................................................................................................12
THEORY OF OPERATION.................................................................................................................13
Technical Overview .........................................................................................................................13
Probe Enhancements ......................................................................................................................14
Probe Switch ...................................................................................................................................14
Monitor Mode...................................................................................................................................14
Normal Mode, Model 670.................................................................................................................15
Normal Mode, Model 675.................................................................................................................15
Power Supply ..................................................................................................................................15
Microprocessor Usage.....................................................................................................................15
Reset/Self Tests..............................................................................................................................16
Microprocessor Clock ......................................................................................................................16