Gas Data GFM600 User Manual

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Summary of Contents:

[Page 1] Gas Data GFM600

GAS DATA Monitoring the Environment GFM600 Velocity Monitor User Manual ...

[Page 2] Gas Data GFM600

D O C U M E N T C O N T R O L S H E E T GFM600 Velocity Monitor User Manual Issue A, Revision 0 Issue Date: April 9, 2007 Copy No: 1 Copy Holder: Archive User guide to the operation of the GFM600 portable Veloc...

[Page 3] Gas Data GFM600

Table of Contents Introduction 1 General handling tips 17 Warranty policy 1 Conditions and exclusions 1 Safe use of the GFM600 Velocity Monitor 2 Safe practice 2 Important safety related points 2 In the case 3 Operation 4 C...

[Page 4] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Introduction The Gas Data GFM600 is designed specifically for measuring gas velocity in a variety of applications. Operation is extremely simple, yet the readings obtained are highly accurate. The ...

[Page 5] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Safe use of the GFM600 Velocity Monitor The Gas Data GFM600 Velocity Monitor has been designed to operate in typical field environments where flammable gases may be present. The following points should be...

[Page 6] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L In the case The GFM600 instruments are supplied in a fitted case containing the following items: GFM600 instrument Vane anemometer Battery charger ...

[Page 7] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Operation 1. This key allows you to switch the backlight on or off. 2. Not used. 3. This key allows you to start the sample. 4. This buttons allows you to move to the velocity screen. ...

[Page 8] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Gas velocity measurement IMPORTANT Schiltknect anemometers do not form part of the ATEX certification of the Gas Data GFM series. Contact Gas Data for further advice on the safe use of these probes. B...

[Page 9] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Locate a suitable gland or bung on the pipework and insert the vane anemometer, taking care to ensure that the anemometer is correctly orientated. The arrow on the tip of the anemometer should be in line...

[Page 10] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Section 2 Maintenance Low Battery warning A series of vertical bars at the top right-hand side of the display screen indicates the state of charge of the rechargeable batteries. When there is a single bar...

[Page 11] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Do not use excessive force on the battery cover fixing screws. Make sure the rubber seal is correctly in place. If you replace the batteries in the field, you can, of course, recharge them later when you retu...

[Page 12] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Appendix A Technical Specification GFM600 - 9 - GFM600 Velocity Monitor User Manual Range Vane anemometer 12mm diameter x 340mm long. 0-40 m/s Size 200m...

[Page 13] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Appendix B Conversion charts The following charts are included to enable you to make quick and easy conversions from velocity measurements provided by the vane anemometer to flow rates. Velocity - ...

[Page 14] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Velocity - Flow conversion chart 600.00 500.00 400.00 300.00 200.00 100.00 0.00 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Velocity (ms -1 ) Velocity - Flow conve...

[Page 15] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L The formula for calculating the conversion is: f = 0.00283d v where f = flow in m 3 h -1 d = pipe inside diameter in mm v = velocity in ms -1 ...

[Page 16] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Appendix C Understanding instruments for use in flammable atmospheres Hazardous areas classified by zones There are three zones defined to guide users as to the necessary precautions, which should be taken...

[Page 17] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L THE GFM600 SERIES IS SUITABLE FOR USE IN FLAMMABLE ATMOSPHERES CAUSED BY THE PRESENCE OF GASES IN GROUP I, GROUP IIA AND GROUP IIB. Design and construction of intrinsically safe instruments for use...

[Page 18] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L THE GFM600 SERIES IS DESIGNED TO MEET THE REQUIREMENTS OF CLASS T1. Testing and certification The GFM600 Series has been submitted for European Type Assessment. This assessmen...

[Page 19] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Appendix D Schiltknect Vane Anemometer NOTE: Schiltknecht anemometers do not form part of the ATEX certification of the Gas Data GFM series. Contact Gas Data for further advice on the safe use of these p...

[Page 20] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L -Streamline Measuring Head The form of the measuring head guarantees a high direction insensitivity which is approx. +/- 20 degrees for Micro head and +/- 25 degrees for Mini head. Response Time Respon...

[Page 21] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L -Never blow probes through with compressed air -Allow hot high temperature probes to cool slowly; never cool by plunging them in cold water or the like. Cleaning instructions Vane probes Instrument and pr...

[Page 22] Gas Data GFM600

G F M 6 0 0 U S E R M A N U A L Only clean the head of the impeller! Probes are on no account to be fully immersed in the solution. Cable, extension rod, case The following agents: -Soapy water -EDP plastic cleaner -Window cleaning flui...

[Page 23] Gas Data GFM600

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