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Page 11 of 43

Mea-

suring

Gas

Carrier

Gas

Basic

range

Smallest range

Smallest

supressed zero

range

Multi Gas

Mode

H

2

N

2

/ air

0% - 100%

0% - 0.5%

98% - 100%

Yes

H

2

Ar

0% - 100%

0% - 0.4%

99% - 100%

Yes

H

2

He

20% - 100%

20% - 40%

85% - 100%

On

request

H

2

CH

4

0% - 100%

0% - 0.5%

98% - 100%

On

request

H

2

CO

2

0% - 100%

0% - 0.5%

98% - 100%

On

request

He

N

2

/ air

0% - 100%

0% - 0.8%

97% - 100%

Yes

He

Ar

0% - 100%

0% - 0.5%

98% - 100%

Yes

CO

2

N

2

/ air

0% - 100%

0% - 3%

96% - 100%

Yes

CO

2

Ar

0% - 60%

0% - 10%

-

Yes

Ar

N

2

/ air

0% - 100%

0% - 3%

96% - 100%

Yes

Ar

CO

2

40% - 100%

-

80% - 100%

Yes

CH

4

N

2

/ air

0% - 100%

0% - 2%

96% - 100%

Yes

CH

4

Ar

0% - 100%

0% - 1.5%

97% - 100%

Yes

O

2

N

2

0% - 100%

0% - 15%

85% - 100%

Yes

O

2

Ar

0% - 100%

0% - 2%

97% - 100%

Yes

N

2

Ar

0% - 100%

0% - 3%

97% - 100%

Yes

N

2

CO

2

0% - 100%

0% - 4%

96% - 100%

On

request

NH

3

H

2

0% - 100%

0% - 5%

95% - 100%

On

request

CO

2

H

2

0% - 100%

0% - 2%

99% - 100%

On

request

SF

6

N

2

/ air

0% - 100%

0% - 2%

96% - 100%

On

request

Table 2.1: Measuring ranges of typical gas compositions for analysis with the FTC320.

The FTC320 must not be used with explosive gases. Flammable gases such as H

2

and

CH

4

may only be used in devices filled with glass balls. A gas mixture of a flammable

gas with an inert gas in a mixing ratio such, that it is still inflammable for any amount of
air added is called totally inertised. Totally inertised gases can also be used in devices
without glass balls.

File name:

FTC320Ex Operating Manual_1.09KD201009MPO3V02.pdf

Содержание FTC320

Страница 1: ...FTC320 Ex Gas analysis using thermal conductivity measurement for zone 2 ATEX II 3G Ex nR IIC T4 Gc Operating Manual ...

Страница 2: ...rawings may not be in scale For the latest revisions to this manual contact Messkonzept or visit www messkonzept de Messkonzept welcomes comments and suggestions relating to the product and this manual Please Note The design of this instrument is subject to continuous development and improvement Consequently this instrument may incorporate minor changes in detail from information contained in this...

Страница 3: ...gs saftey instructions and intended use Chapter 3 Assembly of the Instrument Mounting pneumatic and electric connection Also see Chapter 10 Appendix Dimensional Drawing Section 7 1 Calibration Recommended calibration intervals the calibration process and rec ommended test of functionallity after bringing into service File name FTC320Ex Operating Manual_1 09KD201009MPO3V02 pdf ...

Страница 4: ...t 14 3 3 1 Housing Seal 14 3 4 Electrical Connectors and Ground 14 3 4 1 Requirements for Electrical Connectors 17 3 4 2 Ground 17 3 4 3 Data exchange via serial interface RS 232 17 4 The Front Panel 19 4 1 Display 20 4 2 Keys 20 5 Instrument display 21 5 1 Warm up Screen 21 5 2 Operation Screen 21 5 2 1 Display of one measured value 22 5 2 2 Display of several measured values 22 6 General instrum...

Страница 5: ...Gas Concentration 33 7 1 3 Offset Calibration 33 7 1 4 Gain Calibration 34 7 2 Alarm Setup 34 7 2 1 Selection of alarm groups 35 8 Appendix System Errors 36 9 Appendix Specifications 39 9 1 Specification of Thermal Conductivity Measurement 39 9 2 Electrical Specifications 40 9 3 Permissible Conditions of the sample to be measured 41 9 4 Environmental conditions 41 9 5 Dimensions 41 10 Appendix Dim...

Страница 6: ...ion carefully before beginning to install and use the instrument 1 1 Notes on Safety Conventions and Icons This icon draws attention to application errors or actions that can lead to safety risks including the injury to persons or malfunctions possibly even destruction of the device This icon indicates an additional function or hint File name FTC320Ex Operating Manual_1 09KD201009MPO3V02 pdf ...

Страница 7: ...n sites etc additional protection against external damage is necessary e g by means of a protective cabinet The device may only be used in an area with pollution degree 1 according to DIN 60664 1 Avoid accumulation of dust on the device Regular inspection of the housing and cables with regard to mechanical damage is mandatory In atmospheres that strongly attack plastics the front foil must also be...

Страница 8: ...Explosive atmospheres Part 15 Equipment protection by type of protection n 2011 02 and 2020 03 was proven with report no 2 12BR190104AUG2V06 Bericht zur Eignung des Standardgehäuses der Messgeräte FTC3xx und FTC4xx für Zone 2 Schutzart nR schwadensicheres Betriebsmittel 1 If flammable gas is fed into the analyzer at overpressure a leak in the gas path could result in an ignitable mixture in the an...

Страница 9: ...s in medical and pharmaceutical laboratories or in the manufacture of pharmaceuticals in pharmacies based on a doctor s prescription The specifications of the device and its manual have to be observed strictly Please fill out questionnaire 2 01 1FB180619MPL1 for registration of your measuring task if your intended use does not comply with intended use described above Based on the information given...

Страница 10: ...r TC measurement based analysis one of the following conditions must be met The mixture contains only two different gases binary mixture e g CO2 in N2 or H2 in N2 The thermal conductivity of two or more components is similar e g measuring H2 or He in a mixture of O2 and N2 quasi binary mixture The mixture contains more than two gases but all but two components or component groups volumetric fracti...

Страница 11: ...erature A micro mechanically manufactured membrane with a thin film resistor serves as heat source A control loop stabilizes the membrane temperature at 135 C for most applications Above and below the membrane two small cavities are etched into the silicon These cavites are filled with measuring gas by diffusion The surfaces opposite to the membrane are thermally connected with the heat sink Throu...

Страница 12: ...100 0 15 85 100 Yes O2 Ar 0 100 0 2 97 100 Yes N2 Ar 0 100 0 3 97 100 Yes N2 CO2 0 100 0 4 96 100 On request NH3 H2 0 100 0 5 95 100 On request CO2 H2 0 100 0 2 99 100 On request SF6 N2 air 0 100 0 2 96 100 On request Table 2 1 Measuring ranges of typical gas compositions for analysis with the FTC320 The FTC320 must not be used with explosive gases Flammable gases such as H2 and CH4 may only be us...

Страница 13: ...C320 Detector Unit The FTC320 detector unit consists of a hermetically sealed pressure proof stainless steel block with a gas duct which is suited for pressures up to 20 bar Sample gas entering through the gas inlet is guided to the micro mechanical thermal conductivity sensor and further downstream to the outlet port In particular the pneumatics are designed to minimize the influence of a changin...

Страница 14: ...es see Chapter 10 Appendix Dimensional Drawing for more information 6mm 52 mm 20 mm 26 mm 80 mm 65 mm 144 mm 132 mm 4 5mm Figure 3 1 Mounting holes shown from the reverse side of the housing If you are planning to lead flammable or toxic gases into the device the device must be installed in a well ventilated area All devices undergo a leakage test during production nevertheless a limited release o...

Страница 15: ... The interior of the housing is filled with glass beads to minimize the internal free volume Therefore the device may only be opened by the manufacturer Unauthorized opening will ren der the instrument unsuitable for use in zone 2 Regular replacement of the silicone seal is not necessary but it is recommended that the manufacturer checks the tightness of the housing every 5 years If the unit is in...

Страница 16: ...m2 for cable B 0 25mm2 Cable A is shipped with devices set up for analog output The protection class of the device is only effective with all cables attached In case cable A is not used connector plug A has to be closed with an end fitting File name FTC320Ex Operating Manual_1 09KD201009MPO3V02 pdf ...

Страница 17: ...urden 16 bit resolution 2 brown Current Loop 3 black Serial Interface RS232 GND for pin 4 5 4 blue Serial Interface RS232 TxD transmit data 5 grey Serial Interface RS232 RxD receive data Connector C 8 pins 1 white Relay 1 isolated contact max 30V 0 5A 2 brown Power supply GND 3 green Relay 1 isolated contact max 30V 0 5A 4 yellow Power supply 24V 18V to 30V max 700mA 5 grey Relay 2 isolated contac...

Страница 18: ...EN 60204 1 24V GND A B C GAS OUT GAS IN Figure 3 3 Grounding the FTC320 To comply with EN 60204 1 and to ensure your device s function the device has to be installed such that the power supply PELV is connected to protective earth PE with its ground conductor see Figure 3 3 The shielding of cables A B and C should be connected to functional ground Dependent on the circumstances gas inlet and gas o...

Страница 19: ...tion 9 1 Only a few PCs are still delivered with a so called COM port serial RS 232 interface In order to be able to operate and program devices that have an RS 232 interface with computers without this use of converters from RS232 to USB is advised The converters often have a 9 pin D Sub connector as input but there are also converters with screw terminal connections The serial interface allows o...

Страница 20: ...ror Indicator Maintenance Indicator Operation Indicator Currently measured gas concentration Measurement Unit Vol or ppm RIGHT Selection Key Toggle MGM Mode UP Selection Key ENTER Terminate Key Gas Selection in MGM Mode Figure 4 1 Front view schematic of the FTC320 front panel File name FTC320Ex Operating Manual_1 09KD201009MPO3V02 pdf ...

Страница 21: ...quiring numerical inputs the RIGHT key scrolls to the next digit and to ESC OK at the end UP Selection Key In menus or submenus the UP key quits the recent menu and bring you back to the menu above and ultimately to the main menu To quit menus with an ESC OK option select one of these fields with the RIGHT key and confirm with ENTER In submenus requiring numerical inputs the UP key changes the sel...

Страница 22: ...re during warm up in the center of the screen see Figure above The target value of the block temperature 63 C for the standard version or 70 C for the high temperature version is shown in the bottom line of the screen Pressing the UP key during warm up switches directly to operation screen and activates the current loop The displayed concentration value will not be precise until the needed block t...

Страница 23: ...status information may be shown Alarms are indicated by A1 and A2 system errors are indicated by Er If the top display line is empty there are no active alarm indications 5 2 2 Display of several measured values H2 2 58 CH4 28 10 CO2 16 87 N2 52 45 Figure 5 3 FTC320 operation screen several measured parameters Each line of the display is assigned to a measured variable whose designation is shown o...

Страница 24: ...utton selects the highlighted menu item with a black background and opens the submenu The menu paths shown in the following chapters all start from the main menu Note To enter the general device configuration an Expert Code must be entered which unlocks the device for one hour By default this is 222 0000 The code can be changed in the Expert Setup menu 6 2 Diagnosis The FTC320 has several integrat...

Страница 25: ...rt Setup Figure 6 3 error menu When the device is in the measuring mode or calibrating several parameters are continuously checked for plausibility The parameters checked the list of possible errors and the ranges defining a plausible value can be found in Chapter 8 Appendix System Errors Errors are indicated by a flashing red light on the front panel The menu Errors gives access to the list of cu...

Страница 26: ...enu T90 Response the response time of the exponential filter can be adjusted The filter reduces the influence of fast variations of the raw signal signal noise smoothing The numerical value for the T90 response time is given in the unit of seconds A range between 0s and 100s is permitted for this value reasonable values lie between 0 5s to 10s You can change the numerical value by navigat ing thro...

Страница 27: ...ruc tured The new menu structure does not yet have a complete user manual Please contact Messkonzept with your questions about the analog outputs and relay settings 6 5 Expert Setup 0 30 H2 N2 Diagnosis Instr Setup Output Setup Expert Setup Expert Code set 0 00000 new ESC OK Figure 6 7 Expert Setup menu The Expert Setup provides a couple of functionalities that should only be used by an advanced u...

Страница 28: ...rt menu s parameter list press ENTER to scroll forward through the list and backwards by pressing UP Some parameters cannot be changed e g sensor information such as Compound ppm see Figure above others can be changed e g LED Contrast see Figure above All changeable parameters are indicated by Change in the third line of the display Selecting and clicking Change opens a submenu in which a paramete...

Страница 29: ...he safe mode enter 3 00000 In the safe mode every change of settings requires manual input of the Operator Code 6 5 3 Reset Functions Parameter Access Modes Reset Funct I O Test Restart only Factory Set Default Set Save Calibr Figure 6 10 Reset Functions menu This menu provides three reset functions and the possibility to save the current calibration parameters to the Factory Settings Restart only...

Страница 30: ...ys Analog Outputs and Connections Parameter Access Modes Reset Funct I O Test Relays Current Loop Analog Out Rel 1 open Rel 2 open Rel 3 open DIN low Relays Current Loop Analog Out I Out Const set 10 0000 new 10 0000 mA ESC OK Relays Current Loop Analog Out Analog Out 1 Analog Out 2 AO 1 Voltage set 0 00000 new 0 00000 V ESC OK Analog Out 1 Analog Out 2 AO 2 Voltage set 0 00000 new 0 00000 V ESC O...

Страница 31: ...between 0 and 22mA The analog outputs 1 and 2 can be set to supply a voltage between 0V and 10V Note All test signals are permanently on until leaving the I O Test menu It is the re sponsibility of the expert to assure that the I O test does not interfere with the subsequent connected systems and processes in an unintended way File name FTC320Ex Operating Manual_1 09KD201009MPO3V02 pdf ...

Страница 32: ...h a black background and opens the sub menu All inputs of numbers within the menu structure work according to the following principle With RIGHT the respective digit of the number can be selected and with the UP key the digit can be changed Select OK with RIGHT and confirm with ENTER to save the changes and return to the previous menu Selecting ESC interrupts the input and discards changed values ...

Страница 33: ...ng purities for calibration H2 He N2 Ar O2 CO2 CH4 5 0 5 0 5 0 4 6 4 5 4 5 4 5 Table 7 1 Recommended calibration gas purities These gas purities are selected such that the devices comply with the specifications for the smallest measuring ranges feasible with the FTC320 Messkonzept recommends gases of same purity for cali bration on site For differing individual requirements opt for an appropriate ...

Страница 34: ...8 Calibration Alarm Setup H2 2 58 Figure 7 3 gain gas setup menu Prior to a two point calibration the gain gas concentration has to be set in the submenu Gain Gas This menu is operated analogously to the Offset Gas menu described in Section 7 1 1 7 1 3 Offset Calibration Offset Cal Apply Gas 0 00 ESC OK Stability ESC OK Actu 0 00 Targ 0 00 Sampling 10s for Offset Calibration Please Wait Save Calib...

Страница 35: ...in giving you time to restore your typical process measurement environment while error warnings are deactivated and relays stay frozen 7 1 4 Gain Calibration Save Calib Targ 100 00 Actu 100 00 ESC OK Gain Calib Apply Gas 100 00 ESC OK Stability Targ 100 00 Actu 99 98 ESC OK Sampling 10s for Gain Calibration Please Wait Gain Calibration YES NO Apply Process Gas Actu 100 00 ESC OK Figure 7 5 menu pa...

Страница 36: ... user the possibility to set the upper limit of the alarm in the measuring unit used e g Vol or ppm If the value falls below the limit value the alarm is triggered The selection of the limit value is independent of the measuring range used With RIGHT the digits of the setting value can be selected and edited with ENTER If you only need one of the limit values you can simply set the other limit val...

Страница 37: ...ntion to these points when sending the device Close gas ports to keep gas duct clean Preferably use black rubber caps that came with delivery Put the device in a suitable shockproof packing material Preferably use the foam box that came with delivery Please attach a short note with a description of the problem or refer to prior mail correspondece on this subject with Messkonzept Never open the hou...

Страница 38: ...ror CAL OFFS ER Calibration offset exceeding max allowed range 100 mV See CAL GAIN ER CAL DEV ER Calibration deviation exceeding max allowed range 50000 ppm See CAL GAIN ER CAL VAR ER Calibration variation exceeding max allowed range 1000ppm Repeat procedure Check if the measurement is stable before data sampling Are there sudden fluctioations in relevant process parameters for example pressure pu...

Страница 39: ...nd the device to Messkonzept with description of error BT MAX ER Block temperature above specified range SetTemp 0 6K See BT MIN ER BU MIN ER Bridge voltage below specified range 1V Send the device to Messkonzept with description of error BU MAX ER Bridge voltage above specified range 11V Send the device to Messkonzept with description of error TC MIN ER TC signal below specified range 500mV Send ...

Страница 40: ...60 l h or dependant on user selected T 90 filter time Noise 0 5 of smallest range Drift at zero point 2 of smallest range per week Repeatability 1 of range Error due to change of ambient temper ature 1 of smallest range per 10 K temperature change Error due to change of flow at 80 l h 1 of smallest range per 10 l h Error due to change of pressure 800 hPa p 1200 hPa 1 of smallest range per 10 hPa T...

Страница 41: ...ut 1 2 Voltage range 0 to 10 V Reference potential ground Load resistance min 10 kΩ Resolution 16 bit Relay 1 2 3 Maximum Voltage 30 V Switching current 0 5 A max Switching capacity 10 W max Reference potential fully floating max 500 V to ground Power Supply Voltage range 18 26 V DC Max current 1 A Typical current draw 500 mA Safeguard PELV Protective Extra Low Voltage Digital Interface Type RS 23...

Страница 42: ...ling below dew point in the measuring path small quantities tolerable with protective filter against condensate and dust Table 9 3 Environmental conditions 9 4 Environmental conditions Operating temperature 20 C to 50 C 4 F to 122 F or if casing filled with glass balls 5 C to 50 C 23 F to 122 F Storage temperature 25 C to 70 C 15 F to 160 F not condensing Protection class IP 65 if cables are plugg...

Страница 43: ...Page 42 of 43 Chapter 10 Appendix Dimensional Drawing File name FTC320Ex Operating Manual_1 09KD201009MPO3V02 pdf ...

Страница 44: ...mm flexibel cabel R min 80mm Steckverbindung plug and socket connection A 7 polig 7 pins B 5 polig 5 pins C 8 polig 8 pins Minimaler Freiraum 95mm bei fixierten Kabeln 122mm bei losen Kabeln minimal clearance 95mm with cables fixed 122mm with cables movable D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 003 002 01 Zust Änderungsnr 21 11 18 15 01 16 28 04 15 Datum Name VA VA VA Datum 28 04 2015 Ashmor...

Страница 45: ......

Страница 46: ...hnology Niedwiesenstr 33 60431 Frankfurt Germany Telefon 49 69 53056444 Fax 49 69 53056445 info messkonzept de www messkonzept de Managing Director Dr Axel Ulrich Grunewald Place of jurisdiction Frankfurt HRB 49940 VAT ID DE211207233 ...

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