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Teledyne Analytical Instruments

OPERATING INSTRUCTIONS FOR

INSTA TRANS-XD

Trace and Percent Oxygen Digital

Transmitter

DANGER

Toxic gases and or flammable liquids may be present in this monitoring system.

Personal protective equipment may be required when servicing this instrument.

Only authorized personnel should conduct maintenance and/or servicing.
Before conducting any maintenance or servicing, consult with authorized
supervisor/manager.

P/N M82620

7-19-18

Summary of Contents for INSTA TRANS-XD

Page 1: ...ic gases and or flammable liquids may be present in this monitoring system Personal protective equipment may be required when servicing this instrument Only authorized personnel should conduct mainten...

Page 2: ...of any parts in so far as such alterations do not adversely affect our warranty Important Notice This instrument provides measurement readings to its user and serves as a tool by which valuable data...

Page 3: ...e options not supplied in the standard instrument Commonly available options are listed below with check boxes Any that are incorporated in the instrument for which this manual is supplied are indicat...

Page 4: ...is described below GENERAL WARNING CAUTION Refer to the instructions for details on the specific danger These cautions warn of specific procedures which if not followed could cause bodily Injury and o...

Page 5: ...enance of your new analyzer Please read this manual and keep it available Occasionally some instruments are customized for a particular application or features and or options added per customer reques...

Page 6: ...rer s live maintenance procedures WARNING Potential electrostatic charging hazard The enclosure contains plastic To prevent the risk of electrostatic sparking the plastic surface should be cleaned onl...

Page 7: ...s leaks always exist The customer should ensure that the principle of operating of this equipment is well understood by the user Misuse of this product in any manner tampering with its components or u...

Page 8: ...ertification Approvals and Special Instructions Factory Mutual FM TAI Model Insta Trans XD IS Ex ia CL I Div 1 Gp ABCD T4 Ta 0 o C to 50 o C TAI Model Insta Trans XD Nonincendive for CL I Div 2 Gp ABC...

Page 9: ...n oxygen content greater than 21 Warning This instrument uses an aluminum case Protect against impact or friction to minimize ignition risks Clean with a damp cloth to prevent electrostatic discharge...

Page 10: ......

Page 11: ...tents xi List of Figures xiii Introduction 1 1 1 Overview 1 1 2 Typical Applications 1 1 3 Main Features of the Transmitter 1 1 4 Operator Interface 2 Operational Theory 5 2 1 Introduction 5 2 2 Oxyge...

Page 12: ...n Functions 19 4 3 Range Setting 20 4 4 Calibration 20 4 4 1 Span Calibration 21 4 4 2 4 20 mA Adjustment 21 4 5 No Sensor Installed Detection Feature 22 4 6 Cold Boot 24 Maintenance 27 5 1 Routine Ma...

Page 13: ...racteristic Input output Curve for a Micro fuel Cell 9 Figure 2 4 Gas and Power Signal Connections to the Transmitter10 Figure 2 5 Insta Trans XD Internal Electronics 11 Figure 2 6 Electronics Block D...

Page 14: ...Insta Trans XD Teledyne Analytical Instruments xiv This page is intentionally blank...

Page 15: ...ents or Interconnection Diagram D92719 for FM instruments and may be used in hazardous environments as listed in the Specifications in the Appendix 1 2 Typical Applications A few typical applications...

Page 16: ...he Insta Trans XD display and switches Function Keys Four touch sensitive membrane switches are used to set the range and calibrate the transmitter ENT Pressing Enter once selects the Range mode Press...

Page 17: ...isplay Indicator Range 0 10 ppm through 0 25 user defined No indicator display not blinking analysis mode R Range setting mode display blinking P Percent value Calibration Span S display blinking 4 20...

Page 18: ...Introduction Insta Trans XD Teledyne Analytical Instruments 4 This page is intentionally blank...

Page 19: ...es of Operation The oxygen sensor used in the Insta Trans XD series is a micro fuel cell designed and manufactured by Teledyne Analytical Instruments It is a sealed plastic disposable electrochemical...

Page 20: ...provide the electrical connection to the rest of the analyzer Figure 2 1 illustrates the external features Figure 2 1 Micro fuel Cell Refer to Figure 2 2 Cross Section of a Micro fuel Cell which illus...

Page 21: ...mbrane beneath the anode is filled with electrolyte Cathode and anode are submerged in this common pool They each have a conductor connecting them to one of the external contact rings on the contact p...

Page 22: ...f oxygen no current is generated 2 2 4 The Effect of Pressure In order to state the amount of oxygen present in the sample in parts per million or a percentage of the gas mixture it is necessary that...

Page 23: ...re 2 3 Measuring circuits do not have to compensate for nonlinearities In addition since there is zero output in the absence oxygen the characteristic curve has close to an absolute zero within 0 5 pp...

Page 24: ...travels through the internal piping The sample encounters almost no dead space This minimizes residual gas pockets that can interfere with trace analysis Sample inlet and outlet connections are typica...

Page 25: ...6 is a block diagram of the transmitter electronics Figure 2 5 Insta Trans XD Internal Electronics In the presence of oxygen the cell generates a current A current to voltage amplifier converts this c...

Page 26: ...e 3 1 2 digit LCD display The LCD display provides a visual indication of the oxygen concentration in ppm or depending on the range selected Range selection and calibration information are entered fro...

Page 27: ...ly report any damage to the shipping agent 3 2 Mounting the Transmitter The Insta Trans XD transmitter is provided with a wall mount bracket Refer to Figure 3 1 and the Outline Drawing in the Appendix...

Page 28: ...the nut another 1 1 4 turns Figure 3 1 Insta Trans XD Connections and Mounting Dimensions SAMPLE IN Gas connections are made at the GAS IN and GAS OUT connections The gas pressure in should be reason...

Page 29: ...ections A chassis ground connection should be made to the left side of the mounting bracket This is required to reduce the sensitivity to radio frequency interference RFI An adequate ground connection...

Page 30: ...resistor voltage drops must be included in determining the minimum voltage requirement The minimum operating voltage required with a 500 foot 20 gauge cable and a 250 ohm load resistor is 14 4 VDC 9...

Page 31: ...at inlet sample pressure is within the accepted range see section 3 3 Connect the signal wires and energize the signal line and test the transmitter by performing the following 1 Observe that the LCD...

Page 32: ...Installation Insta Trans XD Teledyne Analytical Instruments 18 This page is intentionally blank...

Page 33: ...ange of interest is recommended Since the oxygen concentration in air is 20 9 209 000 ppm the cell can take a long time to recover if the instrument is used for trace oxygen analysis immediately follo...

Page 34: ...A small r appears in the lower right corner of the display to indicate you are in range setting mode 2 Use the UP DOWN keys to set the upper bound of the range Single presses will increment or decrem...

Page 35: ...ress ENT twice to enter Calibration mode The current span calibration value will appear blinking along with the letter S in the rightmost position of the display 3 Use the UP DOWN keys to change the b...

Page 36: ...ay as close to 4 00 mA as possible Press ENT when the value is sufficiently close to 4 00 mA 5 After pressing ENT the unit will accept the low end calibration and move to the high endpoint 20 mA Note...

Page 37: ...t counting down but any value less than 30 will show the time remaining in minutes before the no sensor alarm is triggered From software version 1 04 or higher it is also possible to disable this alar...

Page 38: ...ary to erase contents of memory especially if the instrument has encountered a startup error Cold booting is a method of restarting the instrument after erasing the contents of memory Whenever a cold...

Page 39: ...Analytical Instruments 25 Section 3 6 but the currently stored settings in the instrument will have been erased 3 Span calibrate the instrument as described in section 4 4 1 4 Adjust the 4 20 mA outpu...

Page 40: ...Operation Insta Trans XD Teledyne Analytical Instruments 26 This page is intentionally blank...

Page 41: ...ches the end of its useful life it is replaced The spent cell should be discarded according to local regulations This section describes oxygen sensor care as well as when and how to replace it WARNING...

Page 42: ...ntact immediately flush eyes with water for at least 15 minutes Call physician see Appendix Material Safety Data Sheet CAUTION DO NOT DISTURB THE INTEGRITY OF THE CELL PACKAGE UNTIL THE CELL IS TO ACT...

Page 43: ...te of shipment and a life expectancy of eight months in air The A2C cell is recommended for use in trace applications were CO2 is a major component of the sample gas The warranty period of the A2C is...

Page 44: ...The A2C cell is recommended for trace applications when the sample gas contains significant levels of CO2 The A2C cell is suitable for CO2 concentration of 0 to 100 If a cell was working satisfactori...

Page 45: ...ing the installation External gas can reach the sensing membrane only after the external membrane is pierced This process prevents air from contaminating the sensor during installation thus allowing r...

Page 46: ...Maintenance Insta Trans XD Teledyne Analytical Instruments 32 Figure 5 2 Cell Removal Insta Trace...

Page 47: ...0 2012 IEC 60079 0 2011 EN 60079 11 2012 IEC 60079 11 2011 Certification FM TAI Model Insta Trans XD IS Ex ia CL I Div 1 Gp ABCD T4 Ta 0 C to 50 C TAI Model Insta Trans XD Nonincendive for CL I Div 2...

Page 48: ...ve requirements connection to equipment must be through Nonincendive Field Wiring with following parameters Voc 30 volts L 100 mH C 3 uF Ranges User defined from 0 10 ppm through 0 25 Oxygen sensor de...

Page 49: ...ytical Instruments 35 Relative Humidity 0 100 RH Stability 1 in 24 hours at constant temperature Reproducibility 1 of full scale at constant temperature Sensor Type Micro fuel Cell class B2C L2C B1 A2...

Page 50: ...able Assembly 25 ft 1 B66378 Cell Adapter B1 B2C A2C Insta Trace Option 1 C6689 B2C B2C Micro fuel Cell 1 1 1 1 C6689 A5 C6689 B1 C6689 L2C C6689 A2C A5 Micro fuel Cell B1 Micro fuel Cell L2C Trace Ox...

Page 51: ...l Instruments 16830 Chestnut Street City of Industry CA 91748 Phone 626 934 1500 Fax 626 961 2538 Web www teledyne ai com or your local representative Drawings C83162 Outline Drawing B71625 Interconne...

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