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March 2008

B-2

Optional Enclosures

Rack Mount Fuse
Replacement

If it has been determined that the fuse in the Model DF868 requires
replacement, refer to Figure B-1 on page B-10 and Figure B-2 on
page B-11, and complete the following steps:

1.

On the rear panel of the meter, set the power switch to the OFF
position and pull the power cord out of its receptacle.

!WARNING!

The main power to the Model DF868 must be

disconnected before proceeding.

2.

Locate the black plastic fuse cover on the back panel at the bottom
of the power cord receptacle and pull it straight out.

3.

Replace the defective fuse with a new one of the same rating and
type. Use only 5 x 20 mm Slo-Blo fuses, having a rating as
indicated in Table B-1 below and on the rear panel label.

4.

Reinstall the black plastic fuse cover and insert the power cord
back into the receptacle. Then, position the power switch in the
ON position.

The Model DF868 flowmeter may now be placed back into service.
Reconnect the main power and resume taking measurements.

Note:

Be sure to record the fuse replacement in Appendix A,

Service

Record

.

Table B-1: Line Voltages & Fuse Ratings

Line Voltage

Fuse Rating

100-120 VAC

1.0 A, Slo-Blo

220-240 VAC

0.5 A, Slo-Blo

12-28 VDC

3.0 A, Slo-Blo

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Содержание DigitalFlow DF968

Страница 1: ...GE Sensing Inspection Technologies DigitalFlow DF868 Panametrics Multipurpose Ultrasonic Liquid Flowmeter Service Manual ...

Страница 2: ......

Страница 3: ... Panametrics Multipurpose Ultrasonic Liquid Flowmeter Service Manual 910 176SD1 March 2008 The DigitalFlow DF868 is a GE Panametrics product GE Panametrics has joined other GE high technology businesses under a new name GE Sensing Inspection Technologies ...

Страница 4: ...e and warranties arising from course of dealing or usage or trade Return Policy If a GE Sensing Inc instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE will issue a RETURN AUTH...

Страница 5: ...s 1 9 Accessing the Calibration Menu 1 9 LOW Option F1 1 9 HIGH Option F2 1 9 Alarms Option Card 1 10 Accessing the Calibration Menu 1 10 Totalizer Frequency Option Card 1 12 Accessing the Calibration Menu 1 12 Entering Frequency 1 12 Entering Pulse Number 1 13 Chapter 2 Error Codes and Screen Messages Introduction 2 1 E0 No Error 2 2 E1 Low Signal 2 2 E2 Sound Speed Error 2 2 E3 Velocity Range 2 ...

Страница 6: ...ed Circuit Board 4 3 Replacing the EPROM 4 4 Installing an Option Card 4 5 Replacing the LCD Display 4 6 Installing the Printed Circuit Board 4 7 Spare Parts 4 9 Appendix A Service Record Introduction A 1 Data Entry A 1 Diagnostic Parameters A 3 Appendix B Optional Enclosures Introduction B 1 Rack Mount Enclosure B 1 Rack Mount Fuse Replacement B 2 Rack Mount Option Card Installation B 3 Rack Moun...

Страница 7: ...Chapter 1 ...

Страница 8: ...Calibration Introduction 1 1 Menu Map 1 1 Calibrating the Analog Outputs 1 2 Calibrating the Analog Inputs 1 6 Alarms Option Card 1 10 Totalizer Frequency Option Card 1 12 ...

Страница 9: ...on slot as Slot x where x is a number from 0 6 See Chapter 1 Installation of the Startup Guide for a complete description of the available option cards and the procedures for wiring them Menu Map The Calibration Menu is accessed by pressing the CAL key on the keypad Use this menu to calibrate and test the Slot 0 analog outputs as well as to calibrate and test any option cards that are installed in...

Страница 10: ...either 0 mA or 4 mA However the calibration procedure always uses the 4 mA point as the meter will extrapolate this value to obtain the 0 mA point Prepare for the calibration procedure by connecting an ammeter to analog output A of Slot 0 as shown in Figure 1 1 below Refer to the menu map in Figure 1 6 on page 1 15 Figure 1 1 Ammeter Connection Output A Press the CAL key to enter the Calibration P...

Страница 11: ...to the appropriate pins on terminal block I O See Figure 1 1 on page 1 2 or Figure 1 2 above for the correct pin numbers Calibrating the Low End of the Output Range 1 Press F1 to calibrate the low end of the output range 2 Press F1 or F2 to adjust the ammeter reading UP or DOWN until a 4 mA reading is achieved If you press F3 Numer enter the numeric value and press ENT 3 Press F4 to STORE the sett...

Страница 12: ...put level 0 100 and press ENT 4 Check the ammeter reading at this setting Press ENT when done Table 1 1 below lists the expected ammeter readings at various Full Scale settings for both 4 20 mA and 0 20 mA scales Refer to this table to verify the accuracy of the ammeter readings taken above If the linearity test readings are not within 5 μA of the values listed in Table 1 1 above check the accurac...

Страница 13: ...put Do one of the following To calibrate or test another output press F4 EXIT and return to Step 3 in Accessing the Calibration Menu on page 1 3 To calibrate test additional slots press F4 EXIT twice and proceed to the appropriate section To leave the Calibration Menu press F4 EXIT three times ...

Страница 14: ... the Slot 0 analog outputs may be used for the calibration During the analog input calibration the Slot 0 analog output will supply the low reference high reference 4 mA and 20 mA signals at the appropriate times Note If a Slot 0 analog output will be used to calibrate the analog inputs make sure that the Slot 0 analog output calibration procedure has already been completed Connect the Slot X anal...

Страница 15: ...a slot listing for each installed option card 3 Press F1 to select the desired input The procedure for calibrating Input A is identical to that for calibrating Input B However when calibrating Input B be sure a calibrated current source is connected to the appropriate pins on the terminal block See Figure 1 3 on page 1 6 for the correct pin numbers 4 Press F1 F4 to select the reference point to be...

Страница 16: ...shown in Figure 1 3 on page 1 6 2 Press F1 to store the current 4 mA value or press F2 to cancel the entry In either case the ANALOG INPUT prompt reappears 3 Press F4 to proceed to the next section 20 mA Option F4 1 Connect the 20 mA current source to the currently selected analog input as shown in Figure 1 3 on page 1 6 2 Press F1 to store the current 20 mA value or press F2 to cancel the entry I...

Страница 17: ...cted F2 HIGH proceed to step 8 LOW Option F1 5 Enter the low reference value and press the ENT key 6 Press F1 to STORE the low reference value or F2 to ABORT the calibration In either case the screen returns to the ANALOG INPUT prompt 7 Press F2 to proceed to the next section HIGH Option F2 8 Enter the high reference value and press the ENT key 9 Press F1 to STORE the current high reference value ...

Страница 18: ...hown in Figure 1 4 below Refer to the menu map in Figure 1 6 on page 1 15 as a guide Figure 1 4 Typical Ohmmeter Connections For this discussion assume that the option card has been installed in Slot x Accessing the Calibration Menu 1 Press the CAL key to enter the Calibration Program 2 Press Fx to select Slot x The option bar will include a slot listing for each installed option card 3 Press F1 F...

Страница 19: ...tion card terminal block 4 Pressing F1 CLOSE should yield an ohmmeter reading of about zero Pressing F2 OPEN should yield an infinite ohmmeter reading 5 Press F3 to EXIT 6 Repeat the above procedure until both the normally open and normally closed contacts for all three alarm relays have been tested Then proceed to Procedure Options below Procedure Options You have completed testing the alarm rela...

Страница 20: ... page 1 15 as a guide Figure 1 5 Frequency Counter Connections For this discussion assume that the option card has been installed in Slot x Accessing the Calibration Menu 1 Press the CAL key to enter the Calibration Program 2 Press Fx to select Slot x The option bar will include a slot listing for each installed option card 3 Press F1 F4 to select output A B C or D respectively Entering Frequency ...

Страница 21: ...ncy 6 Repeat steps 3 4 and 5 to test all four of the frequency totalizer outputs If any of the outputs fails to pass the test contact the factory for assistance Procedure Options You have completed testing the totalizer frequency outputs Do one of the following To calibrate test additional slots press F4 EXIT and proceed to the appropriate section To leave the Calibration Menu press EXIT twice ...

Страница 22: ... INPUT Slot x Inputs Analog Inputs F1 F2 A B F1 4 mA F2 20 mA F3 TEST F4 EXIT F1 UP F2 DOWN F3 STORE F4 ABORT Full Scale CALIBRATING ANALOG OUTPUT Slot 0 Outputs TB I O F1 F2 A B F1 4 mA F2 20 mA F3 TEST F4 EXIT F1 UP F2 DOWN F3 STORE F4 ABORT Full Scale CALIBRATING ANALOG OUTPUT Slot x Outputs Analog Outputs F3 F4 C D F1 F2 A B F1 aLOW F2 aHIGH F1 EXIT F1 STORE F2 ABORT HIGH REFERENCE HIGH REF LO...

Страница 23: ...Chapter 2 ...

Страница 24: ...eed Error 2 2 E3 Velocity Range 2 2 E4 Signal Quality 2 3 E5 Amplitude Error 2 3 E6 Cycle Skip Accel 2 3 E7 Special Input 2 3 E8 Temp In Supply 2 4 E9 Temp In Return 2 4 E10 Weak Signal 2 4 E11 Not Used 2 4 E12 Incoherent Signal 2 4 E13 Over Range 2 5 E14 Totals Overflow 2 4 Screen Messages 2 6 ...

Страница 25: ...DF868 error code messages are discussed in this chapter along with the possible causes and the recommended actions When an error code is generated it will appear on the active pane of the display screen in the location shown in Figure 2 1 below Figure 2 1 A Typical Display Screen Note For a 2 Channel Model DF868 the channel number is displayed in front of the error message Only the error message a...

Страница 26: ...described in the Programming Manual page 1 31 for the 1 channel DF868 or page 1 25 for the 2 channel DF868 E2 Sound Speed Error Problem The sound speed exceeds the limits programmed in the SETUP SIGNL submenu of the User Program Cause The error may be caused by incorrect programming poor flow conditions or poor transducer spacing Action Compare the measured sound speed to tabulated nominal values ...

Страница 27: ...the SETUP submenu of the User Program Cause Excessive levels of an attenuating gas such as CO2 are present in the flowcell Solid or liquid particulates may be present in the flowcell Action Refer to Chapter 3 Diagnostics to correct any flowcell problems page 3 5 E6 Cycle Skip Accel Problem The acceleration exceeds the limits programmed in the SETUP submenu of the User Program Cause This condition ...

Страница 28: ...s message indicates a weak signal Cause The magnitude of the two phase signal is not large enough or the flow rate in the pipe is out of range Action Check the pipe and setup parameters and the transducer connections The process may not include enough two phase content switch to transit time mode E11 Poor Signal Problem This message indicates a poor signal Cause The shape of the processed signal i...

Страница 29: ...her the volumetric or mass flow calculations Action Select larger measurement units or a shorter time interval for the current measurement parameter For example choose KSCF M instead of SCF M See the Startup Guide for instructions E14 Totals Overflow Problem The totalizers are unable to keep up with the total flow signals Cause The programmed units pulse value is too small Action Select a larger n...

Страница 30: ...Mode Messages All Logs Cleared hit key This message may appear during one of the following tasks 1 clearing a log there are no more logs to clear 2 logging data user has hit ENT instead of selecting an old log or entering a new name 3 printing a log there are no logs to print 4 displaying a log there are no logs to display Hit any key to resume taking measurements All Sites Cleared hit key This me...

Страница 31: ... there is no ammeter connected to the analog output during calibration Overflow The display value overflowed Reduce the number of decimal digits or change the units P L Enter L again The entered path length P is less than the axial dimension L Enter a new value for L range is X XX to X XX When in the User Program this message indicates that the entered number is unacceptable Hit any key and enter ...

Страница 32: ...Chapter 3 ...

Страница 33: ...Diagnostics Introduction 3 1 Displaying Diagnostic Parameters 3 1 Diagnostic Record 3 4 Flowcell Problems 3 5 Transducer Problems 3 7 ...

Страница 34: ...electrical problems The Diagnostics Menu may only be entered from the Big or Dual measurement mode display See Chapter 2 Displaying Data in the Programming Manual for instructions on setting the display screen to the desired format and enter the Diagnostics Menu as shown below Note For a 1 Channel Model DF868 the above prompt does not appear and the following prompt is the initial screen Note Ch1 ...

Страница 35: ...al strength for the downstream transducer 50 75 50 or 75 SNDSP Soundspeed Ft s Displays the measured sound speed of the fluid N A N A Tup UP Transit S usec Displays the upstream transit time of the ultrasonic signal in microseconds N A N A Tdown DN Transit usec Displays downstream transit time of the ultrasonic signal in microseconds N A N A DELTA DeltaT usec Displays the difference in µsec betwee...

Страница 36: ...ducer 0 85 1 0 0 85 Cxdcr CEE1 Displays the speed of sound in the transducer clamp on only N A N A TEMPs Supply Temp deg F Displays the temperature for the supply input energy measurement N A N A TEMPr Return Temp deg F Displays the temperature for the return input energy measurement N A N A Ts Tr Supply Rtn Difference between supply input and return input measurement energy measurement N A N A DE...

Страница 37: ...mode select a channel to display for a 2 Channel meter only and then select the desired display parameter See Chapter 3 Operation of the Startup Guide for detailed instructions The values for the diagnostic parameters immediately after initial installation of the meter and verification of proper operation should be entered in Table A 2 on page A 3 These values can then be compared to future values...

Страница 38: ... disperse the ultrasound signals This interference with the ultrasound transmissions through the fluid will cause inaccurate flow rate measurements In addition temperature gradients in the fluid flow may result in erratic or inaccurate flow rate readings 2 The fluid must not cavitate near the flowcell Fluids with a high vapor pressure may cavitate near or in the flowcell This causes problems resul...

Страница 39: ...s measure the pipe wall thickness and diameter with the same accuracy desired in the flow rate readings Also check the pipe for dents eccentricity weld deformity straightness and other factors that may cause inaccurate readings Refer to Chapter 2 Initial Setup of the Startup Guide for instructions on programming the pipe data In addition to the actual pipe dimensions the path length P and the axia...

Страница 40: ...rosion is suspected remove the transducer from the flowcell and carefully inspect the electrical connector and the transducer face for roughness and or pitting Any transducer damaged in this manner must be replaced Contact the factory for information on transducers in materials suitable for the application 3 INTERNAL DAMAGE An ultrasonic transducer consists of a ceramic crystal bonded to the trans...

Страница 41: ...crystal bonded to the transducer case The bond between the crystal and the case may be damaged by extreme shock and by temperature extremes The crystal itself can also be damaged by the same conditions The internal wiring can be corroded or shorted if contaminants enter the transducer housing 4 PHYSICAL DAMAGE Transducers may be physically damaged by dropping them onto a hard surface or striking t...

Страница 42: ...Chapter 4 ...

Страница 43: ... Introduction 4 1 Fuse Replacement 4 2 Removing the Printed Circuit Board 4 3 Replacing the EPROM 4 4 Installing an Option Card 4 5 Replacing the LCD Display 4 6 Installing the Printed Circuit Board 4 7 Spare Parts 4 9 ...

Страница 44: ... 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model DF868 An aluminum shroud over the printed circuit board shields the electrical components and serves as a location for the wiring diagram label All of the procedures discussed i...

Страница 45: ...about 1 4 turn The fuse holder cap with the captive fuse will be ejected from the fuse holder 4 Replace the defective fuse with a new one of the same rating and type Use only 1 1 4 x 1 4 Slo Blo fuses having a rating as indicated in Table 4 1 below and on the wiring diagram label 5 Press the new fuse into the fuse holder cap and insert the fuse into the fuse holder While applying a slight pressure...

Страница 46: ...nch remove the three short standoffs along the left side of the main circuit board and the three long standoffs along the right side of the main circuit board 5 While supporting the printed circuit board remove the two screws or standoffs along the bottom edge of the printed circuit board Note For an LVD compliant meter with the clear plastic shroud over the electrical connectors there will be sta...

Страница 47: ... of the board Caution The EPROM is easily damaged by static electricity Before handling the new chip touch a grounded metal object to discharge any built up static electricity and avoid touching the leads on the side of the chip 3 Using a chip puller remove the EPROM from its socket If a chip puller is unavailable a straightened paper clip may be used in the notches at the upper right and lower le...

Страница 48: ...al hardware in some older meters In either case they may be discarded as new plastic snap rivets are provided 3 There are six 32 pin option card sockets J41 J46 on the rear of the printed circuit board To install an option card insert its 32 pin connector into any available option card socket and gently press the card into place Make sure that the pins in the connector are straight and properly al...

Страница 49: ... display assembly over the mounting studs on the console cover and fasten it in place with the four standoffs Make sure that the LCD display assembly is oriented as shown in Figure 4 2 on page 4 11 Caution Do not overtighten the standoffs or the display assembly may be damaged 5 Position the LCD display cables between the two right side mounting studs and install the display shroud over the mounti...

Страница 50: ...socket IMPORTANT The ribbon cables must be installed with the edges that were marked during removal oriented toward the top of the printed circuit board 2 Carefully position the printed circuit board up against the eight standoffs in the enclosure Do not damage the transformers and any installed option cards as they are maneuvered between the standoffs 3 Loosely install the three long standoffs on...

Страница 51: ...e are standoffs in the two mounting locations along the bottom edge of the printed circuit board For meters not equipped with this shroud there are Phillips head screws in these two locations 9 For LVD compliant units position the clear plastic LVD shroud over the electrical connections so that the two holes in the shroud align with the standoffs on the printed circuit board Secure the shroud to t...

Страница 52: ...DF868 at the time of purchase Table 4 2 Spare Parts List Part Number Description 703 1127 02 Option Card Alarms Hermetically Sealed 703 1127 03 Option Card Alarms General Purpose 703 1145 02 Option Card Analog Inputs 703 1126 02 Option Card Analog Outputs 703 1145 03 Option Card RTD Inputs 703 1144 02 Option Card Totalizer Frequency Outputs 703 1358 Option Card MODBUS 421 703 Card Cage Metal Brack...

Страница 53: ...March 2008 Parts Replacement 4 10 SIDE VIEW BOTTOM VIEW FRONT VIEW G DC G N L2 L1 AC Figure 4 1 Standard Model DF868 Electronics Console Assembly ...

Страница 54: ...March 2008 Parts Replacement 4 11 G N L2 L1 AC G DC Figure 4 2 Standard Model DF868 Printed Circuit Board Assembly ...

Страница 55: ...Appendix A ...

Страница 56: ...Service Record Introduction A 1 Data Entry A 1 ...

Страница 57: ... should be recorded in this appendix An accurate service history of the meter can prove very helpful in troubleshooting any future problems Data Entry Record complete and detailed service data for the Model DF868 in Table A 1 below Make additional copies of the table as needed Table A 1 Service Record Date Description of Service Performed By ...

Страница 58: ...March 2008 A 2 Service Record Table A 1 Service Record Continued Date Description of Service Performed By ...

Страница 59: ...diagnostic parameters should be entered in Table A 2 below Table A 2 Diagnostic Parameters Parameter Initial Current Parameter Initial Current SS up CNTup SS do CNTdn SNDSP P up Tup P dn Tdown NFup DELTA NFdn Reynolds Cxdr1 K RE TEMPs2 PEAK TEMPr2 THETA1 Ts Tr2 Qup DENSs2 Qdown DENSr2 AMPup DELTh2 AMPdn TW 1 available only for Clamp on transducers 2 available only if Energy ON ...

Страница 60: ...Appendix B ...

Страница 61: ...uction B 1 Rack Mount Enclosure B 1 Rack Mount Fuse Replacement B 2 Rack Mount Option Card Installation B 3 Rack Mount EPROM Replacement B 5 Rack Mount LCD Display Replacement B 6 Rack Mount Printed Circuit Board Replacement B 7 ...

Страница 62: ...g any maintenance procedures disconnect the main power from the unit Note For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model DF868 Rack Mount Enclosure Refer to Fi...

Страница 63: ...m of the power cord receptacle and pull it straight out 3 Replace the defective fuse with a new one of the same rating and type Use only 5 x 20 mm Slo Blo fuses having a rating as indicated in Table B 1 below and on the rear panel label 4 Reinstall the black plastic fuse cover and insert the power cord back into the receptacle Then position the power switch in the ON position The Model DF868 flowm...

Страница 64: ...e metal bracket to the printed circuit board Lift the metal bracket straight up and away from the printed circuit board Note The fasteners may be either plastic snap rivets or metal hardware in some older meters In either case they may be discarded as new plastic snap rivets are provided 3 There are six 32 pin option card sockets J41 J46 on the rear of the printed circuit board By removing the scr...

Страница 65: ...80 out of position Secure the metal bracket to the printed circuit board with the four plastic snap rivets provided 7 After checking for any loose hardware that may have fallen into the enclosure reinstall the top panel on the meter and secure the panel in place with the four screws previously removed The Model DF868 flowmeter may now be placed back into service Reconnect the main power and refer ...

Страница 66: ...ny built up static electricity and avoid touching the leads on the side of the chip 2 Using a chip puller remove the EPROM from its socket If a chip puller is unavailable a straightened paper clip may be used in the notches at opposite corners of the socket Gently pry the EPROM up a little at a time at each notch until it comes free 3 Make sure that the beveled corner on the new EPROM is aligned w...

Страница 67: ...4 Place the new display in the enclosure and replace the circuit board connections of the data and power cables of the old display with those of the new display Be sure to orient the new cables in the same way as the old ones when making the connections to the printed circuit board Remove and discard the old LCD display 5 Place the new LCD display assembly over the mounting studs on the front pane...

Страница 68: ...ions in this section to replace the defective board with a new one Circuit Board Removal Refer to Figure B 2 on page B 11 and complete the following steps 1 After disconnecting the main power to the meter remove the top panel from the enclosure by removing the four screws indicated WARNING The main power to the Model DF868 must be disconnected before proceeding 2 Disconnect all external option car...

Страница 69: ... printed circuit board out of the enclosure Proceed to the next section for instructions on installing the new printed circuit board Circuit Board Installation Refer to Figure B 2 on page B 11 and complete the following steps 1 Position the new printed circuit board within the electronics console so that it rests on the six standoffs in the base of the enclosure and the option card sockets are loc...

Страница 70: ...ead colors should be green white and black from left to right as viewed from the front of the enclosure 7 Reinstall all option cards as described earlier in this chapter Insert all external option card connectors at the rear panel of the meter 8 After checking for any loose hardware that may have fallen into the enclosure reinstall the top panel on the meter and secure the panel in place with the ...

Страница 71: ... A OUT ALARMS A IN RTD IN USE ONLY WITH A 250V FUSE 18 25 464 19 00 483 2 25 5 22 11 82 13 13 57 133 15 70 399 300 333 3 31 84 4 19 106 11 37 289 14 83 377 16 99 432 Fuse Figure B 1 Model DF868 Rack Mount Enclosure Dimensions ref dwg 712 1076 ...

Страница 72: ...March 2008 Optional Enclosures B 11 Figure B 2 Model DF868 Rack Mount Console Assembly ref dwg 705 849 ...

Страница 73: ...ostic Parameters Listing 3 2 Record of Values A 3 Diagnostics Menu Entering 3 1 Exiting 3 4 Display Cable 4 3 LCD 4 6 Replacing 4 6 Display Screen 2 1 E EPROM Replacing 4 4 User Program 4 4 Error Codes 2 2 2 3 2 4 2 5 Error Message Display Screen 2 1 Expansion Slots 1 1 F Flowcell Problems Fluid 3 5 Pipe 3 6 Fluid Problems 3 5 Fuse Replacement 4 2 G Gas Contamination 3 5 Physical Requirements 3 5 ...

Страница 74: ...een Messages Table 2 6 Service Record A 1 Shroud Aluminum 4 1 4 8 LCD Display 4 6 LVD 4 8 Plastic 4 8 Signal Quality Error E4 2 3 Sockets Option Card 4 5 Soundspeed Error E2 2 2 Gas 3 5 Spare Parts List 4 9 Special Input E7 2 3 T Temperature Input Return Error E8 2 4 Temperature Input Supply Error E8 2 4 Totalizer Frequency Option Card Testing 1 12 Totals Overflow Error E14 2 5 Transducers Corrosi...

Страница 75: ...he following standards EN 61326 1998 Class A Annex A Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 following the provisions of the 89 336 EEC EMC Directive and the 73 23 EEC Low Voltage Directive The units listed above and any transducers supplied with them spoolpieces are addressed under a separate declaration of conformity do not bear CE mark...

Страница 76: ... Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 suivant les régles de la Directive de Compatibilité Electromagnétique 89 336 EEC et de la Directive Basse Tension 73 23 EEC Les matériels listés ci dessus ainsi que les transducteurs pouvant être livrés avec les manchettes faisant l objet d une déclaration de conformité séparée ne portent pas le ma...

Страница 77: ...rfüllen EN 61326 1998 Class A Annex A Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 gemäß den Europäischen Richtlinien Niederspannungsrichtlinie Nr 73 23 EG und EMV Richtlinie Nr 89 336 EG Die oben aufgeführten Geräte und zugehörige mitgelieferte Schallwandler Messrohre werden in einer separaten Konformitätserklärung behandelt tragen keine CE K...

Страница 78: ...USA 1100 Technology Park Drive Billerica MA 01821 4111 Web www gesensing com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland ...

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