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SNACK O Analyzer
2
Oxygen Gas Analyzer Owners Manual
Teledyne Electronic Technologies
Analytical Instruments
626.934.1500
www.teledyne-ai.com
Rev. 2.1
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Teledyne Analytical Instruments 2
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Table of Contents Table of Contents....................................................... 3 Introduction................................................................ 5 Specifications............................................................. 5 Oxygen (O ) sensor.......................................................5 2 Battery Life Notes ...................................................... 5 Functions.................................................................... 6 Power Swit
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Notice: Manufacturer shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from the furnishing, performance, or use of this material. This guide contains information protected by copyright. No part of this guide may be photocopied or reproduced in any form without express written consent of the Manufacturer. Information in this guide is subject to change without notice. Teledyn
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Introduction Congratulations on the purchase of a SNACK O gas analyzer. We are confident 2 that you will find this gas analyzer to be accurate, reliable and easy to use. Designed for portability, this analyzer is well suited for a number of applications and in all sorts of environments. Please take a moment to browse through this manual and to familiarize yourself with the various features and functions of the analyzer. Specifications Operating Temperature: 32° – 122° (0° – 50° C) O
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Functions The analyzer has two modes of operation, the Program Mode and the Operate Mode. Power Switch Switch Position Description OFF Analyzer power is off. Batteries will continue to charge if Power Supply is connected. Batt. Battery Power – Analyzer is on and drawing power from the internal batteries. Batteries will continue to charge if Power Supply is connected. Ext. External Power – Analyzer is on and is drawing power from either the external battery or the external p
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Operate Mode The Operate Mode is the default mode of operation when the Power Switch is placed in the on (Batt. or Ext.) position. O is displayed in the LCD and the sample 2 button is available to operate the pump and draw samples. LCD Display Displayed Description O XX.X(X) Oxygen Reading (%) 2 O - XX.XX (-) Indicates the sample pump is 2 running. Indicates that the analyzer is in • • • • • • • • • • • • • • • • the battery saving sleep mode. Cycl
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Buttons Functions (Operate Mode) BUTTON FUNCTION MENU Places the analyzer into the Program Mode. ON (Light) Turns on the display Back Light. OFF (Light) Turns off the display Back Light. SAMPLE Turns on and off the sample pump. Program Mode The Program Mode allows the user to view and change the parameter values (i.e. Sample duration, Sleep timer, etc.). The user may enter the Program Mode by pressing the MENU button. Repeatedly press the MENU button to cycle through the paramet
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the value. Samp. XX Sample duration – Pump will run for xx number of seconds then stop. Adjust using the arrow buttons. 01 – 99 seconds 00 = No timed duration Sleep XX Sleep mode timeout – Analyzer will go into battery saving sleep mode after xx number of minutes. Adjust using the arrow buttons. 01 – 99 minutes 00 = No timeout Hold on/off Auto Reading Hold – Indicates if the auto hold function is ON or OFF. Use the arrow buttons to toggle between
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Operation Drawing A Sample The following is a general procedure check list to start and use the gas analyzer. 1. Place the POWER switch in either the Batt. or Ext. position. The LCD will display O2. (Note: the O reading will not display until the SAMPLE button has 2 been pressed.) 2. Connect the sample line to the Sample Connector located at the top of the analyzer. Ensure that there is an inline filter in the sample line. Failure to use the inline filter may cause damage to the se
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In the sleep mode, the analyzer will shut down the sensors and most of the processor functions in order to conserve battery power. The sleep mode is indicated by four dots (• • • • • • • • • • • • • • • •) along the bottom of the display. To return the analyzer to the Operate Mode, cycle the Power switch off and then on. Auto Hold Function The Auto Hold function allows the user to have the oxygen value hold in the display when the sample pump turns off. This function can be turned o
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depletes over time, the number of displayed chevrons will decrease. It is recommended that the sensor is replaced when two or fewer chevrons are displayed. Calibration Oxygen Sensor (O ) 2 Electrochemical sensors degrade slowly over time. For optimal performance and to ensure accuracy, it is recommended that the oxygen sensor be span calibrated daily using normal outside atmosphere air (20.9% O ). Use the following steps to 2 calibrate the oxygen sensor. 1. Turn on the analyzer
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3. Gripping the entire analyzer, carefully turn over the analyzer and place it face-up on the flat surface. 4. Carefully remove the top half of the analyzer and place it face-down and to the right of the bottom half. 5. To close the analyzer, carefully place the top half of the analyzer on top of the bottom half. Ensure that all tubing and wiring is tucked inside the case. Ensure that the seal gasket is in place. Check for secure fit of the two halves. 6. Gripping the entire analyzer,
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Sensor Installation/Replacement Procedure for the SNACK O2 Analyzer STEP 1 Place the analyzer face down on a soft surface and remove the six screws from the back of the case. Without opening the case, place the analyzer face up. STEP 2 With the analyzer faced up, carefully lift the top section from the bottom section. Place the top section face down to the right of the lower section. Be aware that the two sections are connected by a non-detachable ribbon cable. STEP 3 Loc
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Battery Replacement Over time the performance of the internal batteries may degrade and replacement of the batteries may become necessary. Read Battery Life Notes at the beginning of this manual to ensure optimal battery performance. Contact your analyzer distributor or Teledyne Analytical Instruments to purchase replacement batteries. 1. To replace the internal batteries, place the Power switch to the OFF position. Disconnect any external power supply. 2. Open the analyzer case
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Troubleshooting Problem Solutions No display. • Check the position of the Power switch. • Check battery life. Pump is very slow or will • Check battery life not run. • Check for clogged or blocked sample line. • Check for clogged or blocked needle. • Check for dirty filter. • Check for clogged hose inside analyzer and internal filter. • Adjust pump speed. Unstable sensor reading. • Check for clogged or blocked sample line. • Ensure Sample exhaust port is not blocked. Samp
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Analyzer does not • Ensure the power function in the Ext. supply is plugged into Power switch position. the External Power receptacle or the external battery is plugged into the External Battery receptacle. • Ensure there is power to power supply. Batteries do not charge. • Ensure the power supply is plugged into the External Power receptacle. Batteries do not hold a • Replace batteries. charge for more than a few minutes. O reading appears to be • Recalibrate the sensor.
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Warranty Covered and Duration of Warranty Manufacturer warrants that the Products you have purchased from Manufacturer or from a Manufacturer authorized reseller is free from defects in material and workmanship for a period of one (1) year from the date of purchase. Your sales receipt, showing the date of purchase is your proof of the date of purchase. This warranty extends only to you, the original Purchaser and is not transferable to anyone who subsequently purchases the Products f
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Figures SNACK O2 ANALYZER Figure 1 Teledyne Analytical Instruments 19
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Figure 2 Teledyne Analytical Instruments 20
