Welch Allyn 9000 Manuals

Welch Allyn 9000 Manuals

Manuals and User Guides for Welch Allyn 9000. We have 1 Welch Allyn 9000 manual available for free PDF download: Technical Manual

Welch Allyn 9000 Technical Manual

Welch Allyn 9000 Technical Manual (42 pages)

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

Table of Contents

Table of Contents
3
Introduction
5
Changing the Probe Cover Dispenser
6
Cleaning the Thermometer
7
Routine Cleaning
7
ETO Gas Sterilization Procedure
7
Cleaning the Probe Sensor Lens
8
Method 1: Removing Light Dust
8
Method 2: Removing Smudges or Excessive Debris
9
Changing the Probe Tip
10
Replacing the Batteries
10
Theft Protection System
12
Security Time-Out Function
12
Programming the Security Timer
12
Troubleshooting
14
Error Codes
16
Thermometer Disassembly
17
Thermometer Reassembly
18
Theory of Operation (Electrical)
19
Overview
19
Microprocessor
19
Power up Reset
19
Microprocessor Clocks
20
Display Circuit
20
Eeprom
20
Analog IC U1
20
A/D Converter Circuit
21
Internal A/D Calibration Circuit
21
Calibration Check Circuit
21
Thermometer Wakeup
21
IR Temperature Measurement Cycle
22
Horn Circuit
22
Backlight Circuit
23
Wall Mount Security Switch (Model 9000 Only)
23
Theory of Operation (Mechanical)
23
Model 9000 Calibration Check & Adjustment
24
Model 9020 Calibration Check & Adjustment
26
Factory Serviceable Only Repairs
28
Field Serviceable Repairs
28
Field Serviceable Parts List
29
Suggested Spare Parts (Per 100 Units)
32
Options & Accessories
33
Limited Warranty - Model 9000
40
Limited Warranty - Model 9020
41

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