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7

Operating the instrument 

7

1    Keyboard and display 

 

 

 

 

Display 

 

Keyboard

 

 

Cancel/Exit Key 

 

Shift Key 

 

Modify/Page Key 

 

Confirm/Enter Key 

Summary of Contents for TMS

Page 1: ...Thermal Gas Mass Flowmeter Installation and Operation Guide...

Page 2: ...ations 6 3 3 Mechanical Construction 7 4 Wiring 9 4 1 Preparation of wiring 9 4 2 Terminal description 10 4 3 Terminal connection 11 5 technical parameters 12 6 Install 13 6 1 Installation direction 1...

Page 3: ...s and conditions Symbols and meanings used in this manual Graphic symbol meanings in this manual Incorrect operation or infringement with the relevant regulations and the instructions of this manual m...

Page 4: ...asured gas is pure the gas does not contain particulate matter so as to avoid the damage of granular materials on the sensor 2 4 Safety standards and specifications Installation wiring and use of this...

Page 5: ...tial temperature above this by varying the power consumed by the sensor The greater the gas velocity the greater the cooling effect and power required to maintain the differential temperature The meas...

Page 6: ...e Special order of custom made Digital design high accuracy and stability Configuring with RS485 or HART interface to realize factory automation and integration Description Specifications Measuring Me...

Page 7: ...tapped Insertion Flow Meter Pipe size DN100 DN4000 Special requirements please contact us The insertion sensor of compact insertion flow meter should be inserted to axis of pipe and the length of the...

Page 8: ...ameter Flange Outer diameter Center Hole Screw Hole Screw Thread Sealing Face Flange Thickness Pipeline Length DN D k n L d f C L 15 95 65 4 14 M12 46 2 14 280 20 105 75 4 14 M12 56 2 16 280 25 115 85...

Page 9: ...nection and good sealing The explosion proof products should be selected in accordance with the relevant standard of BenAn instrument cable and make sure that the cable parameters meet the explosion p...

Page 10: ...terface A 485 B RS485 communication interface B ALARM1 Alarm output 1 ALARM2 Alarm output 2 Sensor terminal PT20 PT300 is Default combination Other optional sensors PT20 PT200 PT20 PT1000 RS232 interf...

Page 11: ...11 4 3 Terminal connection Pulse output wiring Analog output wiring...

Page 12: ...0mV Maximum noise 500Hz 10KHz Ueff 2 0Mv or 85 265V AC Operating current 650mA Output Output current mode 4 20mA Fixed current output RS485 interface Baud rate 1200 2400 4800 9600 19200 Data 8 Check N...

Page 13: ...he instrument intake pipe measures must be taken to minimize their impacts on measurement performance The following diagrams describe the recommended minimum straightway lengths of some types of pipe...

Page 14: ...lace at rare of instrument For the light gases such as helium and hydrogen front straightway lengths should be doubled a front straightway length b rare straightway lengths Control valves and shut off...

Page 15: ...ropriate location for the flow meter Confirm the inner diameter and wall thickness of pipe Place the other part of meter into ball valve and calculate the insertion depth according to the inner diamet...

Page 16: ...ictly follow the rules of factory Identify an appropriate location for the flow meter According to length requirement of meter cut the pipe and install the flanges and bolts on the pipe Ensure the mar...

Page 17: ...17 7 Operating the instrument 7 1 Keyboard and display Display Keyboard Cancel Exit Key Shift Key Modify Page Key Confirm Enter Key...

Page 18: ...lative flow is greater than 9999999 a carry is generated and indicated by Display the instant flow velocity the unit is fixed as m s 0 and 3 1 indicate the range of velocity while this range is varied...

Page 19: ...ery history data CHK Instrument self test SAV Save and restore paramters SET Setting of basic parameters enter 1000 CLR Setting the integer and decimal of cumulative flow enter 1000 ImA Setting the cu...

Page 20: ...press Enter key and the password entering screen appears Press Enter Key once more to switch to password entering model prompted by blinkong cursor Enter the password and press Enter key again Once th...

Page 21: ...er zero point to make set the display to zero signal indicates that this field is adjustable Flow rate unit is selectable from g min g s Kg min Kg h Nm3 h Nm3 min NL h NL min SCFM Cummulative flow uni...

Page 22: ...on velocity distribution and the influence of the specific application environment The instrument factor is a coefficient of linear flow and results in Display flow rate instrument factor actual measu...

Page 23: ...ny volum per pulse There 4 pulse equivalents 1 0 10 0 100 0 and 1000 0 Setting pulse equivalent to 10 0 means for every 10 units cummulative flow the instrument outputs a pulse Instrument factor The i...

Page 24: ...item in the menu selection screen then enter the password measured value Sampling period is set as an increamtal of 200ms For example if the sampling period is set 5 the actual instrument sampling tim...

Page 25: ...25 After entered the menu item press the ESC Key to return to the menu selection creen press the...

Page 26: ...26 ENT key to enter the value set 7 2 4 Totalizer Settings Clear or set the cumulative flow decimal and integer...

Page 27: ...ey to enter the calibration menu Move the cursor to Adjust Iout Zero and then press Ent Key to edit the value Enter 3 90mA in this example and then press Ent Key angain to save Step 5 Hold down the Sh...

Page 28: ...alue Analog output fixed to 4mA PV Flow SV Velocity TV Temperature QV Totalizer Set the RS485 port baud rate and parity bit The stop bit is fixed as i bit The default parameters of RS485 are Baud Rate...

Page 29: ...ascending The total number of segments could be less than 5 but the correction takes from the firt segment and in a row correction factor 1 143 10 00 8 75 correction factor 0 899 30 00 10 00 31 00 8...

Page 30: ...historical data temperature if set the display to loop display Backlight settings always and moment moment for the back of the display backlight 30S The display content is set for setting the content...

Page 31: ...tory data Enter the value of the date you want to query the following two lines of traffic value and cumulative value Daily at 8 am the meter automatically saves the current flow and the fatigue measu...

Page 32: ...of the manual requirements and installation or use conditions Incorrect or violate the local related instrument installation wiring or the use regulations Wroks with the equipmets which are not elect...

Page 33: ...10 Cumulative decimal 2 float IEEE754 TXD 01 03 00 08 00 02 45 C9 RXD 01 03 04 00 00 00 00 FA 33 4x0011 4x0012 Cumulative float 2 float IEEE754 TXD 01 03 00 0A 00 02 E4 09 RXD 01 03 04 00 00 00 00 FA...

Page 34: ...B 2 H 6 0 502 1 235 0 4384 7 Carbon Tetrachloride CCl 4 0 1297 6 86 0 3052 8 Carbon Tetrafluoride CF 4 0 1659 3 9636 0 4255 9 Methane CH 4 0 5318 0 715 0 7147 10 Acetylene C 2 H 2 0 4049 1 162 0 5775...

Page 35: ...Nitrous Oxide N2O 0 2098 1 964 0 7048 45 Oxygen O2 0 2196 1 427 0 9861 46 Phosphorus Trichloride PCI 3 0 1247 6 127 0 3559 47 Phosphorane PH3 0 261 1 517 0 6869 48 Phosphorus Pentafluoride PF5 0 1611...

Page 36: ...o chapter6 2 The flow regulator is not installed in front of instrument Correct the installation Sensor faulty Send to manufacturer Electronic component anomaly Send to manufacturer Incorrect or unsta...

Page 37: ...25000 12720 4060 400 45000 45000 22608 7200 500 70000 70000 35325 11280 600 100000 100000 50638 16300 700 135000 135000 69240 22100 800 180000 180000 90432 29000 900 220000 220000 114500 77807 1000 28...

Page 38: ...38 Qs The flow rate in standard condition Nm3 h Qn The flow rate in working condition m3 h t The medium temperature in working condition p The medium pressure in working condition Gauge pressure kPa...

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