Teledyne AX300 User manual
Portable Oxygen Analyzer
Teledyne Analytical Instruments i
OPERATING & SERVICE INSTRUCTIONS FOR
AX300
PORTABLE OXYGEN ANALYZER
TYPE B APPLIED PART:
Equipment provides a degree of protection against electric shock,
particularly regarding—
• Allowable Leakage Current
• Reliability of the protective earth connection (if present)
P/N M75389
Sep 18, 2009
E
CO 09-0159
AX300
Teledyne Analytical Instruments ii
Copyright © 2009 Teledyne Analytical Instruments.
All Rights Reserved
No part of this manual may be reproduced, transmitted, transcribed, stored in a retriev-
al system, or translated into any other language or computer language in whole or in
part, in any form or by any means, whether it be electronic, mechanical, optical, ma-
nual, or otherwise, without prior written consent of Teledyne Analytical Instruments,
16830 Chestnut Street, City of Industry, CA 91749-1580, USA.
Warranty
Teledyne warrants that the goods are free from defects of material and of construction
for a period of 2 years (or less, as the case may be, with consumables) from the date of
shipment from Teledyne. The liability of Teledyne, if any, shall be limited solely to the
replacement or repair of the goods, and shall not include shipping costs or other inci-
dental damages as defined in Section 2-715 of the U.S. Uniform Commercial Code.
Teledyne cannot warrant any damage resulting from unauthorized repair, misuse, im-
proper maintenance, negligence, or other events not caused by Teledyne or our goods.
CAUTION: FEDERAL LAW RESTRICTS THIS DEVICE TO SALE BY OR
ON THE ORDER OF A PHYSICIAN.
Portable Oxygen Analyzer
Teledyne Analytical Instruments iii
About This Manual
This Manual describes the installation, configuration, operation and
maintenance instructions for Model AX300 portable oxygen analyzer.
This Manual contains Cautions, Warnings, and Notes to ensure safe
and efficient performance of the analyzer.
For convenience with operating and maintaining your analyzer, this
manual includes Specifications, Troubleshooting and Maintenance Spare
Parts sections.
How To Use This Manual
This manual is designed to walk you through the initial set-up of
the AX300 Portable Oxygen Analyzer. After you have used it to initially
commission your analyzer, it becomes a quick reference guide to help
you with specific questions or operating challenges.
Before operating the analyzer for the first time, you are advised to
read and familiarize yourself with the contents of this manual.
AX300
Teledyne Analytical Instruments iv
Safety Messages
Your safety and the safety of others are very important. Please care-
fully read and understand the Caution, Warning and Notes found in sev-
eral places in the manual.
CAUTION: THE ANALYZER SHOULD ONLY BE USED FOR THE PUR-
POSES AND IN THE MANNER DESCRIBED IN THIS MA-
NUAL.
IF YOU USE THE ANALYZER IN A MANNER OTHER THAN
THAT FOR WHICH IT WAS INTENDED, UNPREDICTABLE
BEHAVIOR COULD RESULT POSSIBLY ACCOMPANIED
WITH HAZARDOUS CONSEQUENCES.
Portable Oxygen Analyzer
Teledyne Analytical Instruments v
Table of Contents
Safety Messages ..........................................................................iv
List of Figures..............................................................................vii
List of Tables..............................................................................viii
Introduction ...................................................................................1
1.1 Features 2
1.2 Options 3
1.3 Applications 3
1.4 Operation Summary 3
Operating Instructions..................................................................6
2.1 Setup 6
2.1.1 Sensor Installation or Replacement 6
2.1.2 Mounting 8
2.1.2.1 V-Mount Adapter Installation 8
2.1.2.2 Universal Mounting Clamp Installation 9
2.1.3 Battery Installation 9
2.1.4 Calibration 10
2.1.5 Output 0-1 VDC or RS232 12
2.2 Operating Instructions 15
2.2.1 Procedure 15
2.3 Factors Affecting Sampling Accuracy 16
2.3.1 Humidity 16
2.3.2 Temperature 16
2.3.3 Pressure 16
2.3.4 Discrepancy in Readings 17
2.3.5 Anesthetic Gases 17
2.3.5.1 Gases That MAY INDUCE Reading Error 17
AX300
Teledyne Analytical Instruments vi
2.3.5.2 Care After Use in Nitrous Oxide 18
2.3.6 Cleaning 19
2.4 Dos and Don’ts 19
Service Instructions....................................................................21
3.1 General Service Information 21
3.2 Overall Maintenance 21
3.3 Battery Maintenance 21
3.4 Sensor Maintenance 22
3.5 Calibration 22
3.6 Factors Affecting Sampling Accuracy 22
3.7 Troubleshooting 22
3.8 Watchdog 25
3.9 Other Problems with the Analyzer 26
3.10 Return Authorization for Service 26
Appendix......................................................................................28
A.1 Specifications 28
A.2 Spare Parts List 29
A.3 Optional Accessories 29
Portable Oxygen Analyzer
Teledyne Analytical Instruments vii
List of Figures
Figure 1-1: AX300 Front View ......................................................... 1
Figure 2-1: Installing the R17MED Sensor ...................................... 7
Figure 2-2: Sensor Cable Connection to Analyzer ......................... 7
Figure 2-3: Mounting the Sensor in the Tee Adapter....................... 8
Figure 2-4: V-Mount Adapter Installation......................................... 8
Figure 2-5: Brass Insert for Universal Mounting Clamp................... 9
Figure 2-6: Installing Batteries....................................................... 10
Figure 2-7: Calibration Sequence.................................................. 11
Figure 2-8: 0-1 VDC or RS 232 Digital Output Port ....................... 13
AX300
Teledyne Analytical Instruments viii
List of Tables
Table 2-1: Oxygen Reading Error in a Mixture of Anesthetic Gas. 17
Table 3-1 Troubleshooting ............................................................ 23
Table 3.2 Error Codes................................................................... 25
Portable Oxygen Analyzer Introduction
Teledyne Analytical Instruments 1
Introduction
The Teledyne Analytical Instruments AX300 Oxygen Analyzer, he-
reinafter referred to as AX300 or analyzer, is a portable analyzer de-
signed to analyze oxygen concentration in medical gas mixtures. Oxy-
gen analysis is linear across the single range of 0-100% using Tele-
dyne’s class R17MED oxygen sensor.
Figure 1-1: AX300 Front View
The AX300’s liquid crystal display (LCD) consists of up to 3.5
characters plus a decimal point indicator capable of displaying up to
105%. An integral battery life indicator is displayed continuously on the
AX300.
The analyzer is powered by three AA alkaline batteries and is de-
signed to operate for 2000 hours on a single set of batteries in a Non-
alarm State.
A sensor failure alarm is incorporated which warns the user if the
sensor signal is lost or low. When this occurs, the √SENSOR display
Introduction AX300
Teledyne Analytical Instruments 2
and a visual green light will flash, and the alarm buzzer will activate.
This alarm condition is also triggered when the oxygen concentration at
the point of analysis falls below 18% (Reference: ISO 7767 standard).
For safety reasons, the audible alarm cannot be silenced until the alarm
condition is resolved.
CAUTION: DURING NORMAL USE, ALARM CONDITIONS SHOULD
NOT BE OVERRIDDEN BY ACTIONS SUCH AS HOLDING
THE ALARM SILENCE KEY DEPRESSED OR REMOVING
THE BATTERIES. THE CAUSE FOR THE ALARM CONDI-
TION SHOULD FIRST BE RESOLVED.
CAUTION: WHILE HOLDING DOWN THE ALARM SILENCE KEY MAY
MOMENTARILY SILENCE THE ALARM BUZZER, AUDIBLE
ALARM WILL RETURN UPON DISENGAGING THE ALARM
SILENCE KEY. HOLDING THE KEY FOR LONGER DURA-
TIONS WILL INITIATE THE “STUCK KEY” ALARM, WHICH
CAN BE DEACTIVATED ONLY VIA REMOVING THE BAT-
TERIES FROM THE ANALYZER. ANALYZER SHOULD BE
RECALIBRATED UP ON REPOWERING THE ANALYZER.
NOTE: THE ALARM SILENCE KEY DOES NOT PLAY ANY ROLE IN
THIS VERSION OF THE ANALYZER. IT IS DESIGNED IN
FOR ANY POSSIBLE FUTURE PRODUCT MODIFICATION.
1.1 Features
The following features are standard on the AX300:
Large easy to read 3½-digit LCD (see options)
Automatic LCD back lighting upon key press
Microprocessor controlled
Sensor fail/disconnect alarm indicator (audible and visual)
Non-adjustable concentration alarm below 18% O2
2000 operating hours from 3 AA alkaline batteries
Battery status indicator
Stand for upright tabletop deployment
Optional hardware for pole clamping and V block support
Rugged high impact ABS plastic construction
Splash resistant case
Long life class R17MED sensor
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