Teledyne Snack O2 Bedienungsanleitung

Rev. 2.1

SNACK O2Analyzer

Oxygen Gas Analyzer Owners Manual

Teledyne Electronic Technologies

Analytical Instruments

626.934.1500

www.teledyne-ai.com

Teledyne Analytical Instruments

Table of Contents

Table of Contents.......................................................3

Introduction................................................................5

Specifications.............................................................5

Oxygen (O2) sensor.......................................................5

Battery Life Notes......................................................5

Functions....................................................................6

Power Switch .........................................................................6

Operate Mode................................................................7

LCD Display...........................................................................7

Buttons Functions (Operate Mode)........................................8

Program Mode...............................................................8

Buttons Functions (Program Mode).......................................8

Parameter Menu....................................................................8

Operation..................................................................10

Drawing A Sample.......................................................10

Sample Duration..........................................................10

Sleep Mode Timeout....................................................10

Auto Hold Function.....................................................11

Battery Level Indicator................................................11

Battery Charging.........................................................11

Filter.............................................................................11

Oxygen Resolution Adjustment .................................11

Sensor Life Indicator...................................................11

Calibration................................................................12

Oxygen Sensor (O2).....................................................12

Maintenance and Adjustments...............................12

Opening / Closing The Analyzer Case .......................12

Replacing the Oxygen sensor ....................................13

Battery Replacement...................................................15

Troubleshooting.......................................................16

Technical Support / Accessories............................17

Warranty ...................................................................18

Figures......................................................................19

Figure 1........................................................................19

Figure 2........................................................................20

Figure 3........................................................................21

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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.

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Introduction

Congratulations on the purchase of a SNACK O2gas analyzer. We are confident

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)

Operating Humidity: 5 – 95% RH, Non-

condensing

Response Time: 90% of reading < 3 sec.

Warm-up Time: None.

Calibration: O2- Atmosphere (20.9%

O2).

*Battery Life: 1 hour continuous sample

Power Requirements: 12 VDC (500 mA) external

power.

Weight: 48 oz.

* approximation

Oxygen (O2) sensor

Range: 0 – 100% O2

Accuracy:* +/- 1% reading full scale

Repeatability: Better than 0.1% O2

Battery Life Notes

The analyzer has been designed to minimize power consumption. Factors such as

ambient temperature and device usage have an effect on battery performance. For

optimal battery life, follow these tips:

• Place the Power switch in the OFF position whenever analyzer is not being used

for any long period of time.

• Utilize external power source whenever possible.

• In Batt. position, turn off the LCD Back Light when not needed.

• Set the Sleep Mode Timeout to a usable minimum.

• Never store the analyzer over long periods of time with dead batteries. To do so

may cause damage and shorten battery life.

• Do not store the analyzer over long periods of time with the external power

source plugged in.

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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 power supply. If the

external power supply is

connected, then the Batteries

(both internal and external) will

continue to charge while switch

is in this position. Analyzer will

not operate in this switch

position if the Power Supply or

external battery is not

connected.

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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. O2is displayed in the LCD and the sample

button is available to operate the pump and draw samples.

LCD Display

Displayed Description

O2XX.X(X) Oxygen Reading (%)

O2-XX.XX (

-) Indicates the sample pump is

running.

•

••

•Indicates that the analyzer is in

the battery saving sleep mode.

Cycle the power switch to return

the analyzer to the Operate

Mode.

Low Batt Indicates that the internal

batteries are low on power and

need to be charged.

RE-CAL? Indicates that the internal

processor has reset and

parameter values have been

reset to the default setting.

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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

parameter menu. Pressing the SAVE button will save all changed parameter values

and returns the analyzer back to the Operate Mode.

Buttons Functions (Program Mode)

BUTTON FUNCTION

MENU Places the analyzer in the

Program Mode and cycles

through the parameter menu.

SAVE Saves all changed parameter

values and returns the analyzer

to the Operate Mode.

Arrow Up (!) Adjusts parameter values up.

Arrow Down (") Adjusts parameter values down.

YES / NO Answers yes / no questions.

Parameter Menu

Displayed Description

O2CAL? Calibrate oxygen sensor? Press

the YES/NO button to display

the calibration value.

O2 XX.XX Oxygen calibration value (%) –

Use the arrow buttons to ad

ust

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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 on and off.

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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 O2reading will not display until the SAMPLE button has

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 sensor and sample pump.

3. Place or connect the end of the sample line to the space to be sampled.

A) M.A.P. – Insert the sample needle into the package’s head space. Avoid

placing the needle into product or fluid.

4. Press the SAMPLE button. The sample pump will draw in a gas sample and the

current O2reading will be displayed. The pump will continue to run until the

Sample Duration times out or until the SAMPLE button is pressed again.

If the Auto Hold function is on, then the O2displayed value will lock when the

pump stops.

Note: The duration of sample time will vary from one application to another. In

general, the longer you draw in a sample, the more accurate the gas analysis will

be. Adjustments of the Sample Duration timer will be needed to find the right

amount of sample time for your specific application.

5. Press the Light ON button to turn on the LCD Back Light.

Sample Duration

The Sample Duration timer allows you to set the number of seconds the pump will

run and draw in a sample after the SAMPLE button is pressed. The sample pump

may be stopped at any time by pressing the SAMPLE button. This timer can be

adjusted in the parameter menu.

Placing the Sample Duration timer to zero (0) seconds sets the pump to a manual

mode. Press the SAMPLE button to start the pump. The pump will continue to run

until the SAMPLE button is pressed again.

Sleep Mode Timeout

The Sleep Mode Timeout allows you to set the number of minutes the analyzer will

wait without any button activity before going into the battery saving sleep mode.

This timer can be adjusted in the parameter menu.

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