Teledyne 311XL Series Instruction Manual
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Teledyne 311XL Series Instruction Manual

Teledyne 311XL Series Instruction Manual

0-2 ppm full scale trace oxygen analyzer
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I
NSTRUCTION
311XL SERIES
0-2 PPM Full Scale
Trace Oxygen Analyzer
HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING
SYSTEM.
PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM.
HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR
A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND/OR SERVICING. BEFORE
CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED SUPERVISOR/
MANAGER.

Teledyne Analytical Instruments

M
DANGER
ANUAL
P/N M70255
08/14/02
ECO # 02-0227

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  • Page 1: Teledyne Analytical Instruments

    NSTRUCTION ANUAL 311XL SERIES 0-2 PPM Full Scale Trace Oxygen Analyzer DANGER HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM. PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM. HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR P/N M70255 A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
  • Page 2 INSTRUCTION MANUAL TRACE OXYGEN ANALYZER MODEL 311XL TELEDYNE ANALYTICAL INSTRUMENTS 16830 CHESTNUT STREET CITY OF INDUSTRY, CA 91749 TELEPHONE: (888) 789-8168 (626) 934-1500 (626) 961-9221 FAX: (626) 961-2538 (626) 934-1651 Web: www.teledyne-ai.com...
  • Page 3 WARNING The sensor(s) used in this instrument uses electrolytes which contain substances that are extremely harmful if touched, swallowed, or inhaled. Avoid contact with ANY fluid or powder in or around the unit. What may appear to be plain water could contain one of these toxic substances.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 311XL SERIES INTRODUCTION Description Method of Analysis Outstanding Features 1.3.1 Micro-Fuel Cell 1.3.2 Reliable Calibration 1.3.3 Integral Power Supply 1.3.4 Accuracy and Response 1.3.5 Compact Packaging SUPPORTING EQUIPMENT AND SERVICES Sampling Equipment Power Service OPERATION Introduction Calibration 3.2.1 Standard (Span) Calibration Procedure...

  • Page 5: 311Xl Series

    Description: The Teledyne Analytical Instruments (TAI) Model 311XL and 311TCXL are portable, intrinsically safe trace oxygen analyzer which can be operated without an external power source. These analyzers will be referred to as Model 311XL or 311XL Series analyzers in this manual.

  • Page 6: Reliable Calibration

    1.3.2 Reliable Calibration. Although this instrument can be calibrated with air, the use of a calibration gas gives better results on the lower PPM ranges. If the instrument is exposed to high concentrations of oxygen (percent levels), it will take a significant amount of time to purge the oxygen from the sensor and analyzer for use in the low PPM level measurements (24 hours or longer).

  • Page 7: Accuracy And Response

    A current limiting resistor (R1 and R2) is potted into the end of each battery. This assures that under no circumstances can more than 25 milliamperes (100 milliwatts) be switched or drawn from either battery supply. This means that the Model 311XL may be used in explosive atmospheres where arcs of 100 milliwatts or less can be tolerated.

  • Page 8: Supporting Equipment And Services

    SUPPORTING EQUIPMENT AND SERVICES Sampling Equipment. The customer must provide a means of controlling the pressure and flowrate of the sample gas. For positive pressure applications, TAI suggests a simple throttle valve installed in the sample line between the sample point and the analyzer. The flowrate should be limited to between 0.5 and 5 liters/min.

  • Page 9: Introduction

    Introduction. The Model 311XL is supplied completely assembled and ready for instant use. The Micro-Fuel Cell must be installed prior use. When a sensor is first installed, the instrument should be purged for 12-16 hours with zero gas (an inert gas such as nitrogen or argon with less than 0.1 ppm oxygen).

  • Page 10: Positive Pressure Sampling

    Span gas: An inert gas (nitrogen or argon) with a known trace amount of oxygen. The oxygen content should be 70 – 90% of the full scale on the range of interest (working or primary range). Note, if this instrument is exposed to high concentrations of oxygen (percent levels), it will take a significant amount of time to purge the oxygen from the sensor and analyzer for use for low PPM level measurements.

  • Page 11: Atmospheric Pressure Sampling

    Establish a flowrate in the sample line of from 0.2 to 5 liters/min. Allow the sample to flow long enough to allow a stable low reading to be achieved. When disconnecting the instrument, reverse the procedure: source fitting first, and then vent fitting.

  • Page 12: Routine Maintenance

    that an overnight recharge be accomplished every three (3) weeks of continuous use. To recharge the batteries, place the range switch in the “OFF” position and connect the power cord to a convenient outlet. NOTE: The amber charge lamp (on the rear of the case) will be lit during charging process.

  • Page 13: Cell Warranty

    The spare cell should be carefully stored in an area that is not subject to large variations in ambient temperature (75 Deg. F nominal), and in such a way as to obviate any possibility of damage. Under no circumstances, disturb the integrity of the cell package until the cell is to be actually used.

  • Page 14: Leak Testing

    TRANSDUCER AND TEMPERATURE COMPENSATION The Micro-Fuel Cell has an inherent positive temperature coefficient, the effects of which have been minimized through the implementation of a thermistor compensation circuit. Internal electronic calibration is accomplished by TAI. However, should there by any doubt, the following procedure can be used to recalibrate the electronics.

  • Page 15: Specification Data

    -11- PRODUCT SPECIFICATION DATA RANGES: 0-2, 10, 100, 1000 PPM Oxygen and Cal range for air calibration ACCURACY:...

  • Page 16: Spare Parts List

    SYSTEM POWER REQUIREMENTS: 100-115VAC 50/60 Hz (for battery charging only) The system includes two sets of current limited NiCad batteries (internal). WEIGHT: 6lb (2.71 kg). -12- RECOMMENDED SPARE PARTS LIST 311XL SERIES QTY. DESCRIPTION F-39 MICRO-FUSE, 0.25 AMP., FAST-BLOW (FOR 210-240 VAC)

  • Page 17: Drawing List

    Orders for replacement parts should include the part number (if available), model number, serial number, sales order number, and range/background of the analyzer for which the parts are intended. SEND ORDERS TO: TELEDYNE ANALYTICAL INSTRUMENTS 16830 CHESTNUT STREET CITY OF INDUSTRY, CALIF. 91749 TELEPHONE:...
  • Page 18 DRAWING LIST MODEL 311TCXL C-70248 SCHEMATIC D-70270 OUTLINE C-41661 WIRING DIAGRAM (110 VAC) C-37938 WIRING DIAGRAM (220VAC) NOTE: The MSDS on this material is available upon request through the Teledyne Environmental Health and Safety Coordinator. Contact at (626) 934-1592. -14-...

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