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18

 

Annex B 

The external pulser, which directly scans the turbine wheel, has its own ATEX approval with 

the following markings: 

 

HF pulser 

Proximity switch according 

to NAMUR specifications 

PTB 01 ATEX 2191 

 II 1G Ex ia IIC T6 

IECE x BVS 06.0003 

 ia IICT6/T5 Ga 

 
 
 

 

35 

 

Содержание MQMe

Страница 1: ...Instructions for Use MQMe Quantometer with electronic meter index...

Страница 2: ...e lubrication 15 9 1 Maintenance 15 9 2 Replacing the battery 16 9 3 Lubrication 18 10 Decommissioning 19 11 Electronic meter index 20 11 1 Display 20 11 2 Buttons 21 11 3 Power supply 21 11 4 Memory...

Страница 3: ...13 2 Temperature measuring point 32 14 Cleaning 33 15 Transport and storage 33 16 Disposal 33 17 Annex A 34 18 Annex B 35...

Страница 4: ...amilies of gases natural gas town gas propane butane other combustible gases processed and purified biogas and air as well as other inert non aggressive and non explosive gases that are used during op...

Страница 5: ...ia II C T4 Ga Annex B The MQMe Quantometer is suitable for measuring the volume of the following gases Natural gas town gas propane butane ethylene air nitrogen and noble gases Other gases can be met...

Страница 6: ...l 3 Electronic meter index 4 Magnetoresistive sensor 5 Flow straightener 6 Measuring unit housing 7 Measuring unit Note In the case of failure or damage Repairs may only be carried out by qualified an...

Страница 7: ...n class IP 65 Battery Lithium battery calculated service life under standard conditions of 5 years Display LCD display for flow rate and volume under operating and standard conditions pressure and tem...

Страница 8: ...16 2 5 25 185 000 195 000 15 080 16 250 10 25 25 4 40 185 000 195 000 15 080 16 250 10 25 40 6 5 65 185 000 195 000 15 080 16 250 10 50 40 3 25 65 101 000 107 000 8 416 8 916 10 50 65 5 100 101 000 1...

Страница 9: ...commended that a straight inlet pipe with a nominal size of 3 DN and an outlet pipe with a nominal size of 2 DN are used 6 Vibrations and pulsations should be avoided at the measurement location The i...

Страница 10: ...be installed horizontally or vertically Horizontal installation Fig 2 Typical horizontal installation of the MQMe Quantometer recommended Vertical installation Fig 3 Typical vertical installation of t...

Страница 11: ...eaded rods PN16 ANSI B16 5 Class150 25 150 25 C 4 x M12 ASTM A193 Grade B7 Grade 2H 50 150 25 C 4 x M16 ASTM A193 ASTM A194 165 170 Grade B7 Grade 2H 165 170 80 150 25 C 8 x M16 ASTM A193 ASTM A194 21...

Страница 12: ...on of the arrow indicated on the meter 4 During the installation check that the gaskets are fitted concentrically so that no sealing elements protrude into the pipeline 5 In addition to the length of...

Страница 13: ...n an upright position Connection screws and nuts must be tightened crosswise See section 13 page 32 for instructions on connecting to the pressure measuring points See section 13 2 page 32 for instruc...

Страница 14: ...positioning pin 3 has been completely pulled out of the drilled hole 2 3 Turn the meter index head by 180 in a clockwise direction and lower it again so that the pin is now seated in the drilled hole...

Страница 15: ...of the meter Fig 2 and Fig 3 6 When the operating pressure has been reached the valve downstream of the meter can be fully opened 7 Remove the startup filter after 4 6 weeks if installed Attention Ri...

Страница 16: ...replaced batteries The battery may only be replaced by a person trained in explosion protection The explosion protection regulations in the relevant country must be observed It is not permitted to re...

Страница 17: ...e red and black wires from the GND terminal 4 and the 3 6 V terminal 5 on the far right of the lower terminal block by pressing the clamping buttons 4 Remove the battery 6 and insert the new battery i...

Страница 18: ...all bearings no oil pump are maintenance free MQMe Quantometers with oil pumps require regular lubrication see section 9 page 15 Process for the first lubrication 1 It is recommended that you only use...

Страница 19: ...l reservoir cover 3 Oil reservoir 4 One way valve Fig 9 Sectional drawing of the oil pump 10 Decommissioning 1 Ensure that there is sufficient ventilation in the installation room 2 The gas may only b...

Страница 20: ...low rate The maximum value is 9999 m3 h If this value is exceeded the display will flash Display 1 Display 2 The flow rate in the operating condition Qm m3 h the temperature T C determined as a fixed...

Страница 21: ...s 5 years The charging status of the battery is shown on the LCD display If the battery voltage falls below 3 0 V the battery status display flashes This indicates that the battery must be replaced wi...

Страница 22: ...wiring is described in Fig 11 to Fig 15 Communication with the external sensors is via a bus system Pressure sensors with measuring ranges of 5 and 10 bar absolute pressure are supported 11 7 Communic...

Страница 23: ...Please note HF and LF signals cannot be sent in parallel simultaneously Fig 11 Variant 1 MQMe without 4 20 mA 23...

Страница 24: ...Please note HF and LF signals cannot be sent in parallel simultaneously Fig 12 Variant 2 MQMe 4 20 mA with external supply 24...

Страница 25: ...Please note HF and LF signals cannot be sent in parallel simultaneously Fig 13 Variant 3 MQMe 4 20 mA without external supply 25...

Страница 26: ...Please note HF and LF signals cannot be sent in parallel simultaneously Fig 14 Variant 4 MQMe without 4 20 mA and without external supply 26...

Страница 27: ...Please note HF and LF signals cannot be sent in parallel simultaneously Fig 15 Detailed switching example for the MQMe LF and HF signal 27...

Страница 28: ...volume corrector An LF signal is issued instead for the standard flow Note All of the pulsers are intrinsically safe If the MQMe Quantometer is installed in a potentially explosive atmosphere connect...

Страница 29: ...e display cover Change the relevant parameter using the 4 buttons see Fig 10 After changing the parameter screw on the display cover and then the cover for the electronic meter index head Fix the cove...

Страница 30: ...ition 3 Press RST EEP_SuCC Data has been saved successfully EEP_Err Error when saving 12 4 Changing the standard conditions p and T Set the desired standard values for the pressure and temperature usi...

Страница 31: ...ume under measuring conditions Change the digit with INC Change the position with SHT Note The decimal places cannot be changed 3 Press SET Vm 000000000 m3 Volume under measuring conditions Change the...

Страница 32: ...point Fig 16 Position of the pressure measuring point 13 2 Temperature measuring point There is a temperature measuring point 2 on the housing of the MQMe Quantometer for measuring the gas temperature...

Страница 33: ...ring the design of the MQMe Quantometer to ensure that as few composite materials were used as possible This design concept enables a high degree of recycling Therefore we are also willing to take bac...

Страница 34: ...17 Annex A CE Declaration of Conformity 34...

Страница 35: ...r which directly scans the turbine wheel has its own ATEX approval with the following markings HF pulser Proximity switch according to NAMUR specifications PTB 01 ATEX 2191 II 1G Ex ia IIC T6 IECE x B...

Страница 36: ...r nkeweg 9 D 15517 F rstenwalde Phone 49 0 3361 7602080 Fax 49 0 3361 7602081 info metreg technologies de MQMe_Handbuch_EN_09 2021 2021 Metreg Technologies GmbH All rights reserved Subject to technica...

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