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Minox i Oxygen Transmitter User Manual

ProcessSensing.com

3

1.4 Applications

Typically, the intrinsically safe Minox i oxygen transmitter can be used in the following applica

-

tions:

• Inerting
• Glove box purge and containment solutions
• Sieving and powder transfer systems (PTS)
• Additive manufacturing
• Hydrogen generation
• Nitrogen generation
• Biogas and biomethane
• Pharmaceutical.

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Summary of Contents for PST-UM-2010-EN-02

Page 1: ...Minox i Oxygen Transmitter User Manual PST UM 2010 EN 02 PST UM 2010 EN 02 ...

Page 2: ...rocess Sensing Technologies and may not be copied or otherwise reproduced communicated to third parties nor stored in any Data Processing System without the express written authorization of Process Sensing Technologies 2022 Process Sensing Technologies Issue No Description Date Author Initials 01 Original document issued 03 2022 CdF 02 Re brand template applied 08 2022 IMcC ...

Page 3: ...oftware or the occurrence of a system failure NOTE highlights an essential operating procedure condition or statement Abbreviations The warning symbol indicates instructions that must be followed to avoid minor serious or even fatal injury to personnel AC Alternating current DC Direct current C Degrees celcius F Degrees fahrenheit EC Electrochemical g Grams GND Ground kg Kilogram LED Light emittin...

Page 4: ...Minox i Oxygen Transmitter User Manual iv ProcessSensing com This page is intentionally blank ...

Page 5: ...the Minox i 4 2 2 Connect Minox i 5 2 2 1 KF 40 flange and tri clamp process connections with dimensions 5 2 2 2 Flow through process connection with dimensions 6 2 2 3 Electrical connection 7 3 Calibration 8 3 1 In situ 8 3 1 1 Minox i 100 ppm 200 8 3 2 Air calibration 10 4 Maintenance 11 4 1 General 11 4 2 Replace the sensor 11 4 3 Check your Minox i 12 5 Appendices 13 Appendix A Technical Speci...

Page 6: ...Minox i Oxygen Transmitter User Manual vi ProcessSensing com This page is intentionally blank ...

Page 7: ...pplications and hazardous environ ments Minox i is available with the three process connections shown below NOTE You must provide suitable mating flange and clamp for KF 40 and tri clamp connections Figure 1 Three process connections for Minox i Minox i can be used with a Programmable Logic Controller PLC or suitable equipment capable of providing a 4 20 mA loop power interface For operation in ha...

Page 8: ...accuracy and stability Its operational life is typically up to 24 months in ambient air The sensor is designed to be unaffected by the presence of other background gases or hydro carbons and the XLT variant is compatible with acid gases including pure carbon dioxide 1 3 2 Solid state S S The Minox i S S sensor can operate with or without sample flow making it ideal for in situ mon itoring The resu...

Page 9: ...ly the intrinsically safe Minox i oxygen transmitter can be used in the following applica tions Inerting Glove box purge and containment solutions Sieving and powder transfer systems PTS Additive manufacturing Hydrogen generation Nitrogen generation Biogas and biomethane Pharmaceutical ...

Page 10: ... not approved for use in applications where the sample gas is greater than 21 volume O2 2 1 Unpack the Minox i NOTE The sensor is packed in a low O2 environment to preserve shelf life It should not be removed from its bag until you are ready to use it Your Minox i oxygen transmitter pack is comprised of the following equipment 1 Minox i oxygen transmitter 2 Electrochemical or solid state oxygen se...

Page 11: ...he KF 40 flange or tri clamp Minox i These are not included in the pack Figure 4 Technical drawing of KF 40 flange and tri clamp process connections 1 Place the seal centering ring on the pipe where the Minox i will be installed 2 Put the process connection end of the Minox i into the pipe 3 Place your flange clamp or tri clamp over the seal centering ring and the Minox i where they meet the pipe ...

Page 12: ...p to 2 barg maintaining the correct gas flow to the sensor This eliminates the need for pumps or extractive sample systems Figure 5 Technical drawing of flow through process connection 1 Align the flow through Minox i 1 8 NPT with your pipe fitting 2 Fasten screws to adapt to pipe fitting 38 45 1 59 1 8 NPT 47 1 8 NPT End elevation rotated 90o Electrical signal connector ...

Page 13: ... now connected A pulsing red LED will indicate it is operating correctly A suitable galvanic isolation barrier is required if the Minox i is located in an Ex area Consult the EC type examination certificate Baseefa19atex0200 for Parameter Matching Pin 1 2 3 4 Function 24 V DC loop in VE loop out signal No connection No connection Brown White Blue Black 24 V Loop sensing element 0 V Suitable isolat...

Page 14: ...ounding the sensor must be ambient air 20 9 volume O2 with no contaminants present This can be achieved using an oxygen ana lyzer or by flushing the system with clean oil free compressed air The Minox i 100 ppm must be calibrated in a controlled environment Calibrating the Minox i 100 in ambient air will significantly reduce sensor life When the MagTip tool is applied the indicator LED will flash ...

Page 15: ...n analyzer display It should read 20 9 volume O2 4 Place the MagTip on the Minox i main housing adjacent to the red indicator LED as shown in Figure 8 below The indicator LED will begin to flash rapidly Figure 8 Minox i with MagTip calibration tool 5 When calibration is complete the indicator LED will resume flashing at a steady pulse For the standard 0 25 O2 range the 4 20 mA output will be autom...

Page 16: ...tration an independent portable oxy gen analyzer can be used to check this 2 Observe the O2 concentration on your oxygen analyzer display When the concentration has stabilized it should read 20 9 volume O2 This usually takes between five and ten minutes 3 Place the MagTip on the Minox i main housing adjacent to the indicator LED as shown in Figure 8 The red indicator LED will begin to flash rapidl...

Page 17: ...m of calibration will mitigate against sudden sensor failure It is advisable to establish a program of preventative maintenance to ensure process downtime is kept to a min imum or avoided To replace your sensor 1 Unscrew the removable housing from the main housing of Minox i by turning it clockwise The sensor will be located in the removable housing as shown 2 Gently tip the sensor out of the remo...

Page 18: ... Check for any damage to the connecting cable Depending on process conditions and location check the gas entry orifice at the face end of the Minox i This is to ensure there is no build up of particulate matter and that moisture is not being retained at the orifice Typically the Minox i will require removal from the process to carry out checks cleaning and sensor replacement ...

Page 19: ...ainless steel Teflon FR4 and gold Performance Measuring range 0 1 0 5 0 25 O2 0 25 O2 0 10 0 1000 ppmV O2 Output resolution 0 01 O2 1 ppmV O2 LDL sensitivity 0 05 O2 500 ppm 1 ppmV O2 Accuracy intrinsic error 2 of reading calibrated temperature and pressure Linearity 2 of reading Response time T90 15 seconds 25 C 77 F within selected range Flow rate 250 500 ml min 0 5 1 0 SCFH Humidity 0 98 rh non...

Page 20: ...i 93 mA Pi 0 65 W Ci 12nF Li 705uH EN IEC 60079 0 2018 EN 60079 11 2012 IEC 60079 0 Ed 7 2017 IEC 60079 11 Ed 6 2011 North America Canada Pending Class I Division 1 Group A D T4 Class II Division 1 Groups E G T135 C Class I Zone 0 AEx ia IIC T4 Ga Ex ia IIC T4 Ga Class 1 Zone 20 AEx ia IIC T135 C Da Ex ia IIC T135 C Da Ta 20 C Ta 55 C UI Vmax 28 V II Imax 93 mA Pi 0 65 W Ci 12nF Li 705uH CSA C22 2...

Page 21: ...at https www processsensing com en us compliance The compliance site contains information on the following directives ATEX equipment for explosive atmosphere REACH Registration Evaluation Authorization and Restriction of Chemicals RoHS Restriction of Hazardous Substances in electrical and electronic equip ment ETL The ETL mark is proof of product compliance to North American safety standards WEEE ...

Page 22: ...www ProcessSensing com ...

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