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ZIROX SGM5-EL, Operation Manual, Page: 23 / 31

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ZIROX SGM5-EL Operation Manual Download Page 23

Electrolysis Device SGM5EL                                                                                                 Operation 

23 

A. Control 

 

CONTROL PARAMETER 

 

 

 

 

 

CONTROL: 

pO

2

 [ppm] 

also OFF, Uz/mV ,Ie/mA 

SETPOINT: 

200 

input value  

Kpr: 

 0.04 

 

Tn: 

 0.3 

 

Tv: 

 0.01 

 

                  

6

         

5

 

 SAVE.         RETURN 

 

 

B. Strip chart 

 

XY-Plot 

 SET 

XY-Plot 

 

 

 

 

 

TRACE 

ppm O

2 

also Ie/mA 

 Yaxis-min: 

0 ppm 

 

 Yaxis-max: 

300000 ppm 

 

 Xaxis:  

3 min 

 

 

 

 

                  

6

         

5

 

 SAVE         RETURN 

 

 

C. Settings 

 

SETTINGS 

 

 

 

 

 

 1 GENERAL 

 

 

 2 LIMITS 

 

 

 3 OUTPUT 1 

 

 

 4 OUTPUT 2  

 

 

 

 

 

               1                  2 

    3                 4 

 

 

 

 

 

Summary of Contents for SGM5-EL

Page 1: ...s Device SGM5 EL FOR THE MODULATION OF DEFINED OXYGEN CONCENTRATIONS IN INERT GASES OPERATION MANUAL ZIROX Sensoren Elektronik GmbH Am Koppelberg 21 D 17489 Greifswald 49 3834 8309 00 Fax 29 e mail in...

Page 2: ...5 3 Electrical data 11 5 4 Interface data 12 6 Composition of the SGM5 EL 15 6 1 General composition 15 6 2 Construction of the control unit 17 6 2 1 Power supply 17 6 2 2 Front 17 6 2 3 Rear 18 6 2 4...

Page 3: ...ntent 3 9 Maintenance overhaul and storage 28 9 1 General notes 28 9 2 Replace the equipment fuse 28 10 Appendix 29 10 1 Mounting instructions for Swagelok fittings 29 10 2 Declaration of conformity 3...

Page 4: ...l or updated pages supplied Proper operation of the SGM5 EL can only be ensured if the contents of this manual are known Therefore all chapters of this manual must be read carefully prior to operating...

Page 5: ...persons involved In case of disregard destruction or damage of the SGM5 EL its single components or other material assets as well as minor injuries may result Symbol for proper handling This symbol ap...

Page 6: ...an argon hydrogen mixture With the downstream analysis cell and a special evaluation electronics the dew point and so the humidity can be calculated Designated use Main fields of application Productio...

Page 7: ...d and serviced by trained staff only The SGM5 EL is to be connected to an isolated ground socket Schuko socket with the supplied cable Explosive gas mixtures halogens in high concentration and sulphur...

Page 8: ...cell s outside voltage u and the cell s voltage Ueq If the sign of the resultant voltage corresponds to the sign of the cell voltage oxygen flows through the solid electrolyte wall in the direction of...

Page 9: ...asured gases with free oxygen as well as for reducing gas mixtures in which oxygen only exists in bound form e g in H2 H2O or CO CO2 mixtures In reducing gas mixtures the oxygen partial pressure is in...

Page 10: ...limit values can only be reached if the measuring gas is tuned to the measuring problem e g It is not possible to get oxygen concentrations in the per cent area from pure nitrogen For measurements of...

Page 11: ...ng gas 100 mbar overpressure vs ambient pressure Max permitted temperature of the measured gas 80 C at the gas inlet Pressure loss in the SGM5 EL Approx 1 kPa 100 mm water column at 10 l h 5 2 Mechani...

Page 12: ...iption M1CR M1x xxE xxCR Measuring value channel 1 M2CR M2x xxE xxCR Measuring value channel 2 Electrolysis current mA A1CR A1x xxCR Voltage of the analysis cell mV A2CR A2x xCR Temperature of the ana...

Page 13: ...etpoint r02CR R02 x xxxxE xxCR Read proportional value R02 x xxxxE xxCR R02 x xxxxE xxCR Set proportional value r03CR R03 x xxxxE xxCR Read reset time R03 x xxxxE xxCR R03 x xxxxE xxCR Set reset time...

Page 14: ...30 W or 125 V AC 1A 62 VA Pin assignment of the socket analog output SUB D 15 pol F Pin No Marking Legend 1 out1 Analog output 1 2 out1 Analog output 1 3 out2 Analog output 2 4 out2 Analog output 2 5...

Page 15: ...nalysis cell The electrolysis cell and the analysis cell consist of a tube made of zirconium dioxide 2 1 with two platinum wire electrode Inside the tube the measuring electrode 2 3 is placed The refe...

Page 16: ...trode due to chemical unbalances A thermocouple 2 5 inside the measuring cell determines the actual electrode temperature A heater control ensures a constant temperature Sensor heater The heated combi...

Page 17: ...n of 30 The angle of inclination of the SGM5 EL can be altered by pulling out the two attachment points of the carrying handle between 0 and 30 When the attachment points are released the carrying han...

Page 18: ...l connections and the power switch are on the rear of the SGM5 EL Fig 4 Rear of the control unit 6 2 4 Combi cell The combi cell is connected with the control unit with a 12pol cable The gas supply is...

Page 19: ...is required after the transportation of the SGM5 EL from cold surroundings to a site with higher ambient temperature or humidity A waiting time of about 2 hours before switching on must be considered...

Page 20: ...hot measuring cell can destroy it and therefore must be absolutely prevented 4 If you want to install an external flow meter you have to install it behind the gas outlet where potential leaks do not h...

Page 21: ...rrent the electrolysis voltage is limited 1 5V for electrolysis cell protection If there is no constant electrolysis current the necessary electrolysis voltage might not be supplied by the device 8 1...

Page 22: ...2 LOW TEMPERATURE 740 and 15 min ERROR THERMOCOP 3 SELF TEST FAILED The signalling units react according to footnotes 1 3 8 2 Adjustable parameters The following menus are available with the keys unde...

Page 23: ...pm also OFF Uz mV Ie mA SETPOINT 200 input value Kpr 0 04 Tn 0 3 Tv 0 01 6 5 SAVE RETURN B Strip chart XY Plot SET XY Plot TRACE ppm O2 also Ie mA Yaxis min 0 ppm Yaxis max 300000 ppm Xaxis 3 min 6 5...

Page 24: ...IMIT VALUE 1 250000 ppm 1 250000ppm or LIMIT VALUE 2 250000 ppm 1 250000ppm or DELAY TIME 1 sec 1 60s 6 5 SAVE RETURN C 3 OUTPUT 1 resp OUTPUT 2 OUTPUT 1 VALUE O2 O2 ppm Vz Ie out 2 RANGE 4 20 mA 0 20...

Page 25: ...Before calibration the sensor is flushed with ambient air The gas flow is set by internal or external pump at the value which is used for measuring the measuring gas With the zero calibration the work...

Page 26: ...Measurement is significantly lower than expected Reacting components at high temperatures with oxygen in the measuring gas e g hydrocarbons Use carbon filter or check existing filters for saturation...

Page 27: ...ncentration in the measuring gas the temperature of the electrolysis cell and the parameter which controls the electrolysis cell are displayed The favored control parameter O2 concentration cell volta...

Page 28: ...the SGM5 EL has to be stored in a dry dust free room in the original packing if possible storage 9 2 Replace the equipment fuse Before replacing the equipment fuse turn off the SGM5 EL and separate it...

Page 29: ...Electrolysis Device SGM5EL Appendix 29 10 Appendix 10 1 Mounting instructions for Swagelok fittings...

Page 30: ...Electrolysis Device SGM5EL Appendix 30 10 2 Declaration of conformity...

Page 31: ...ot permitted either A connection of ZIROX and non ZIROX products voids any warranty claims Warranty and warranty claims are only accepted if they are in accordance with the General Sales and Delivery...

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