Welch Allyn SureTemp 678 Manuals

Manuals and User Guides for Welch Allyn SureTemp 678. We have 2 Welch Allyn SureTemp 678 manuals available for free PDF download: Technical Manual, Operating Instructions Manual

Welch Allyn SureTemp 678 Technical Manual

Welch Allyn SureTemp 678 Technical Manual (49 pages)

Brand: Welch Allyn | Category: Thermometer | Size: 0 MB

Table of Contents

Table of Contents
3
List of Figures
5
Warranty
6
Specifications
7
Terminology
8
1 Operational Characteristics

9
- Basic System Description
  9
- Figure 1 - Thermometer Diagram
  9
- Self Tests
  11
  - Instrument Reset/Self Tests
    11
  - Display Test
    11
  - Figure 2 - M678 Display
    11
  - Probe Warmer Circuit Self Tests
    12
- Battery Life
  12
- Normal Mode
  13
- Monitor Mode
  14
- Pulse Timer Mode (Model 678 Only)
  14
  - Backlight (Model 678 Only)
    14
  - F/C Conversion
    15
  - Temperature Recall
    15
- Biotech Mode
  15
2 Preventive Maintenance

19
- Cleaning and Sterilization
  19
  - Routine Cleaning
    19
  - ETO Gas Sterilization Procedure
    19
- Battery Removal and Replacement
  20
3 Calibration Testing

21
- Calibration Key Procedure
  21
- Model 9600 Calibration Testing Procedure
  21
4 Theory of Operation

23
- Technical Overview
  23
  - Figure 3 - System Block Diagram
    23
  - Probe Enhancements
    24
- Probe Switch
  24
- Normal Mode
  24
- Power Supply
  25
  - Low Battery Detection
    25
  - Microcontroller
    25
  - Reset/Self Tests
    26
  - Microprocessor Clock
    26
  - Temperature Measurement and Display
    26
  - Temperature Measurement A/D Converter
    26
  - Theory of Operation
    26
  - Circuit Description
    27
- Probe Identification Logic
  28
  - Basic Function
    28
  - Figure 4 - Probe Logic Circuitry
    28
  - Figure 5 - Probe Logic Diagram
    28
  - Circuit Operation
    29
- Probe Warming ( Oral Probes Only)
  29
  - Theory of Operation
    29
  - Circuit Operation
    30
- Other Components
  30
  - Liquid Crystal Display
    30
  - LCD Backlight (Model 678 Only)
    30
  - Probe Switch
    31
  - Mode Button
    31
  - Timer Button (678 Only)
    31
  - Serial Communications Port
    31
  - Horn
    31
5 Troubleshooting

33
- Error Codes
  33
- Equipment Required
  34
- Figure 6 - Self-Test /Error Table
  34
- Troubleshooting Table
  35
- Field Serviceable Repairs
  40
- Field Serviceable Parts
  40
- Model 678/679 Replacement Parts
  41
- Replacement Parts-Circuit Board Assemblies
  42
- Thermometer Disassembly
  44

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Welch Allyn SureTemp 678 Operating Instructions Manual

Welch Allyn SureTemp 678 Operating Instructions Manual (10 pages)

SureTemp

Brand: Welch Allyn | Category: Thermometer | Size: 0 MB

Table of Contents

Table of Contents
3
Introduction
5
Safety & Warnings
5
Wall Mounting Instructions
7
Changing the Security Setup
7
- Entering the Biotech Mode
  7
- Setting the Security Feature
  8
Maintenance
8
Cleaning & Steriliza Tion
8
Setup
9
- Changing Probes
  9
Features
9
Specifica Tions
9
Customer Service
9
- Mode Table
  10
Display Indicators
10

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