Guidance. In-service inspection Equipment and instruments

Transcription

1 Guidance In-service inspection Equipment and instruments Number: LEVC 01 Prepared by: TC 8 Local Exhaust ventilation (LEV) committee Approved by: Technical Steering Committee (TSC) Status: Issue 03 Date: 29 th June 2015 Reference: The Control of Substances Hazardous to Health Regulations 2002 (as amended) (COSHH), the Control of Lead at Work Regulations 2002 (CLAW) and the Control of Asbestos Regulations 2012 (CAR) Situation: When undertaking LEV inspection and testing as required by COSHH, SAFed member companies will need to have access to a range of appropriate guidance and information relating to instruments. Such information is collated within this Guidance. Guidance: The following listing of instruments is offered to SAFed member companies to aid them in undertaking their responsibilities when undertaking LEV thorough examination and testing. Table of contents: Table 1 Manometers... 1 Table 2 Anemometer Hot wire... 3 Table 3 Anemometer Rotating vane... 5 Table 4 Tachometer... 7 Table 5 Associated tools and consumables... 8

2 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 1 Manometers Table 1 Manometers 1. PI Manometer Water tube Buck & Hickman Manoflex 12" 2. PI Manometer Electronic manometer Digitron P200IS mbar (0-20 kpa) 0-12" Not 12 months +/- 0.2% FS 3. PI Manometer Electronic manometer Digitron P200UL mbar mbar 4. PI Manometer Electronic manometer Digitron P202IP mbar 5. PI Manometer Electronic Pressure ranges kPa 12 months +/- 0.2% FS 12 months +/- 0.1% rdg +0.1% FS + 1 digit Non-IS Dwyer FM 0-50 kpa 12 months +/- 0.5% FS 6. PI Manometer Magnehelic Gauge 0-1" Kistler Instruments 0-1" 7. PI Manometer Electronic manometer Kistler Instruments mbar Page 1 of 8

3 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 1 Manometers 8. PI Manometer Micromanometer TSI / TSI [formerly 9. PI Manometer Digital TSI [formerly 10. PI Manometer Micromanometer TSI [formerly PVM610 and PVM620 Pressure: Pa Velocity: m/s DM kpa PVM m/s Pa 12 months or 12 months or Pressure: +/- 1% of reading +/- 1 Pa Velocity: +/- 1.5% at m/s 12 months =< 0.5% Full Scale +/- 1 digit +/- 1% of reading +/- 1 digit Has a direct velocity readout facility and can average readings. It has a limited range. Page 2 of 8

4 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 2 Anemometer Hot wire Table 2 Anemometer Hot wire 11. VI Anemometer Type K Thermocouple (Hot wire) Thermometers Airspeed with temperature Duplication? KM m s months 12. VI Velometer Velometer AEI - Various 12 months +/- 3% FSD 13. VI Anemometer Thermal Digital display TSI [formely 14. VI Anemometer Thermal Analogue display TSI [formerly 15. VI Anemometer Thermal Digital display TSI [formerly TA5 0-2 m s -1 TA2 [obsolete spares limited] 0-15 m s m s m s m s m s -1 Expensive 1.5K 12 months 12 months or +/- 2% +/- 1 digit +/- 2% +/- 1 digit +/- 2% +/- 1 digit +/- 3% FSD +/- 2% FSD +/- 2% FSD reliable, non-directional TA m s months +/- 3% of reading +/- 1 digit Page 3 of 8

5 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 2 Anemometer Hot wire 16. VI Anemometer Thermal TSI [formerly 17. VI Anemometer Thermal TSI / TSI [formerly TA m/s 12 months or TA m/s 12 months or Better than +/- 3% of reading +/- 1 digit or +/ m/s +/- 1 digit, whichever is the greater +/- 5% of reading or +/ m/s whichever is greater Page 4 of 8

6 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 3 Anemometer Rotating vane Table 3 Anemometer Rotating vane 18. VI Anemometer Pocket Anemometer Kestrel m/s 12 months or 3 % of reading +/- least significant digit Practical use has found that accuracy is poor in air velocities of less than 1 m/s. 19. VI Anemometer Rotary Vane Leda m s months Twin head unit, has built-in timer but is twice the price of the TSI [formerly units 20. VI Anemometer Rotating Vane TSI [formerly 21. VI Anemometer Rotating Vane TSI [formerly LCA 30is LCA301 and LCA501 m/s 12 months m/s 12 months or Better than +/- 1% of reading +/- 1 digit Velocity or direct reading of volume flow Intrinsically safe Certified by BASEEFA to Eex ia llc T5. Zone 0 hazardous areas reading of air velocity (m s -1 ) +/- 1.0% of reading +/ m/s Page 5 of 8

7 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 3 Anemometer Rotating vane 22. VI Anemometer Rotating Vane TSI [formerly LCA m/s 12 months Better than +/- 1% of reading +/- 1 digit Page 6 of 8

8 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 4 Tachometer Table 4 Tachometer 23. ST Tachometer Hand Tachometer Danaher Controls Dynapar brand 24. ST Tachometer Hand Tachometer Superb Instrumentation 25. ST Tachometer Optical TSI [formerly HT5002 Venture ATH rpm 0 to 500 rpm 0 to 5000rpm 0 to rpm Function test only at each use. 48 months Veeder Root rpm 60 months +/ % +/- 1 digit Page 7 of 8

9 LEVC 01 Issue 02.1 Dated 14 th July 2009 Equipment and instruments Table 5 Associated tools and consumables Table 5 Associated tools and consumables 26. VA Dust Lamp Dust lamp Numerous Numerous NA N.A cd minimum 27. PI Pitot tube Pitot Static Tube TSI [formerly 28. VA Smoke tubes 29. VA Smoke generator 30. VA Smoke generator Air Current Tubes Smoke generator Drager Concept Engineering Ltd Various lengths CH216 Flow Check Drager Disposable tubes Not Not Not Not Telescopic units are very useful but slightly more expensive Fairly inexpensive < 100, glass tubes must not be used on certain sites e.g. food, pharmaceutical etc. Colt 4 N.A. N.A. High volume smoke generation predominately used for smoke clearance times etc. - N.A. Alternative to glass, fairly expensive > 400 battery life 20 minutes and operating time per glycerine ampoules is 3 minutes. Page 8 of 8