Particle Flow Meter PFM 92 C
Operation manual
Dr. Födisch Umweltmesstechnik AG
Telephone:
+49-34205-755-0
Zwenkauer
Strasse
159
Fax:
+49-34205-755-40
D
-
04420
Markranstädt
e-mail:
[email protected]
Internet: www.foedisch.de
Page 1: ...e Flow Meter PFM 92 C Operation manual Dr F disch Umweltmesstechnik AG Telephone 49 34205 755 0 Zwenkauer Strasse 159 Fax 49 34205 755 40 D 04420 Markranst dt e mail info foedisch de Internet www foed...
Page 2: ...ngsanleitung en en pfm92c 3 1a doc Dr F disch Umweltmesstechnik AG 1992 2010 This operation manual is not subject to the service of change Distribution and duplication of the operation manual and all...
Page 3: ...function 11 3 1 Structure 11 3 1 1 Probe 11 3 2 Function 12 3 2 1 Measuring principle 12 4 Installation 13 4 1 Selection of the measuring point 13 4 2 Installation of the weld in sleeve 14 4 3 Assembl...
Page 4: ...14 Fig 4 3 Installation rule 14 Fig 4 4 Probe head 15 Fig 4 5 Electric connection 24 VDC 16 Fig 4 6 Electric connection 110 230 VAC 17 Fig 6 1 Filter diagram with defective filter bags 22 Fig 6 2 Fil...
Page 5: ...ty hints and warnings contained in this manual are the precondition for safe installation and putting into operation as well as for safety during operation and maintenance of the product described Onl...
Page 6: ...desired can occur if the corresponding advice is not observed HINT Is an important information about the product itself its handling or that chapter of manual where special attention shall be paid to...
Page 7: ...uctions or on the product itself are persons who are either familiar as project engineers with the safety concepts of automation technology or have been trained as operators in the use of automation t...
Page 8: ...ical design are possible 1 8 Standards and regulations The harmonised European standards have been applied to the specification and production of this device as far as possible If no harmonised Europe...
Page 9: ...rence immunity HF radiated according to EN 61000 4 3 Interference immunity Burst according to EN 61000 4 4 Interference immunity Surge according to EN 61000 4 5 Interference immunity HF streamed into...
Page 10: ...s to be secured by 2 A on input side Before opening any component of the device the dust measuring device PFM 92 C has to be made free of voltage by pulling the power connector Neither it is allowed t...
Page 11: ...roller PFM 92 C consists of the following components 1 in situ probe 1 weld in sleeve 3 1 1 Probe The probe PFM 92 C consists of a probe rod and a probe head The probe rod is assembled in a sleeve and...
Page 12: ...which is provided as 4 20 mA signal 3 2 1 Measuring principle Probe Probe rod Insulator Fig 3 2 Measuring principle Triboelectricity If 2 bodies get into contact with each other by friction or touch a...
Page 13: ...let have determined the measuring point by a responsible measuring institute in Germany according to 26 28 BImSchG We recommend to realise at least 5 times the diameter of the exhaust gas channel as...
Page 14: ...probe is horizontal or vertical from top weld in sleeve 2 5 stack wall weld in angle 3 mm Fig 4 2 Weld in sleeve 4 3 Assembly of the probe At first the gasket has to be fitted into the sleeve Then the...
Page 15: ...lly explosive dust atmosphere The electric connections of the PFM 92 C are inside the probe head The terminals are arranged in a terminal strip which can be seen after removal of the cover To get ther...
Page 16: ...L 24 VDC feeding 1 2 analog output 4 20 mA 12 switch to select gain LED integration yellow switch integration on off LED red limit value 2 potentiometer limit value 2 LED red limit value 1 potentiome...
Page 17: ...AC N feeding 230 110 VAC 1 2 analogue output 4 20 mA 12 switch to select gain LED Integration yellow switch integration on off LED red limit value 2 potentiometer limit value 2 LED red limit value 1 p...
Page 18: ...of failure opened Limit value 1 Normally closed NCC in case of limit value violation opened Limit value 2 Normally closed NCC in case of limit value violation opened Table 4 1 Status signals 4 4 4 Ana...
Page 19: ...1 Switch on pre fuse 2 Check provided measuring values for plausibility 3 Adjust measuring range amplification if necessary see 6 2 Adjust amplification Page 20 4 Adjust operation mode if necessary s...
Page 20: ...gnal Status messages are provided via status contacts and additionally via LED on the board of the PFM 92 C see Fig 4 5 display Failure at in operation green display of limit value violations at below...
Page 21: ...ring signal is averaged with a time constant of ca 30 s A malfunction of the filter plant results in a substantial increase of the output signal In order to check the filter plant thoroughly the integ...
Page 22: ...Operation and handling Dr F disch Umweltmesstechnik AG Page 22 of 30 Operation manual PFM 92 C Version 3 0 Fig 6 1 Filter diagram with defective filter bags Fig 6 2 Filter diagram with sound filter ba...
Page 23: ...he analogue signal output The threshold can be adjusted by means of a screw driver at the potentiometers P1 and P2 being diagonally left and right above the button In order to signal the switch thresh...
Page 24: ...protective gloves during works at the probe Switch off pre fuse 7 1 Dis assembly The probe is de installed according to Fig 7 1 Disassembly Thereby the power supply has to be interrupted first Then t...
Page 25: ...ersion 3 0 Operation manual PFM 92 C Page 25 of 30 7 2 Disposal HINT The disposal of the PFM 92 C has to be done according to locally valid environmental protection regulations In case of disposal the...
Page 26: ...tenance works Minimum period Activity 6 months Cleaning of probe 6 months Check sealing replace if necessary Table 8 1 Maintenance works 8 2 Cleaning The dust measuring device PFM 92 C has to be clean...
Page 27: ...r F disch Umweltmesstechnik AG see cover inside The PFM 92 C supplies status signals for monitoring signalling failure states and failure search They are provided at the status contacts as potential f...
Page 28: ...Kind of protection IP 64 Ambient temperature 20 C 50 C Ambient humidity n a no explicit sensitivity Measuring ranges Dust qualitative 0 100 Electric connections Analogue signal output 4 20 mA not gal...
Page 29: ...nik AG 11 Spare parts consumables Version 3 0 Operation manual PFM 92 C Page 29 of 30 11 Spare parts consumables In order to purchase spare parts and consumables please contact Dr F disch Umweltmesste...
Page 30: ...H HINT 6 8 25 27 I Installation 13 Installation position 14 Integration 21 L Limit 23 limit values 18 Limit values 23 M Maintenance 27 Measuring point 13 measuring principle 12 O Operation mode 21 P P...
