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ElektroPhysik PoroTest 7, Technical Reference And Operating Manual

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ElektroPhysik PoroTest 7 Technical Reference And Operating Manual Download Page 19

E-16

ElektroPhysik

14. Technical specification

Technical specification

High voltage probe

P 7

P 35

Test voltage ranges:

0.5…7 kV

6…35 kV

Coating thickness

0.03 mm...1.7 mm

1 mils …67 mils

1.4 mm...11.3 mm

55 mils …444 mils

Type of voltage:

Direct current (DC)

Test voltage indication:

3-digit  LC display

Accuracy of voltage setting:

±(0.1 kV + 3% of reading)

Dimensions / weight of
high voltage probe:

274mm x 63 mm (l x dia.)  / 550 g     10.8"  x  2.48" / 1lbs. 3oz

Dimensions / weight of control unit

225 mm x 150 mm x 85 mm (L x W x H) / 1400 g
8.87"  x  5.9"  x  3.35" (L x W x H) / 3 lbs. 1 oz

Alarm signal:

90 dB, 0.1s / pore, continuous tone in case of short-circuit

Signal output:

potential free, Umax: 100V, lmax: 0,1A

Storage battery:

4 C cells. IEC LR 14, 3,5 Ah, NiMH, replaceable

Storage battery life at maximum voltage:

PoroTest 7-P 7 approx. 20 h
continuous operation

PoroTest 7-P 35: approx. 10 h
continuous operation

Summary of Contents for PoroTest 7

Page 1: ...PoroTest 7 Technical Reference and Operating Manual Advancing with Technology ElektroPhysik ...

Page 2: ...many Tel 49 0 221 75204 0 Fax 49 0 221 75204 67 www elektrophysik com info elektrophysik com ElektroPhysik USA 778 West Algonquin Rd Arlington Heights IL 60005 Phone 847 437 6616 Fax 847 437 0053 epusa elektrophysik com Caution Safety Note Please refer to the safety notes in section 2 before starting operation of PoroTest 7 ...

Page 3: ...s test voltage E 7 6 2 Sensitivity E 7 6 3 Limit for pores E 8 6 4 High voltage trigger E 8 6 5 Signal LED E 8 6 6 Display contrast E 9 6 7 Display backlight E 9 6 8 Language E 9 6 9 Setting mode E 9 6 10 Display mode E 9 7 General remarks on Operation and Application E 10 7 1 Testing procedure E 11 8 Power supply E 12 9 Charging storage batteries E 12 10 Changing storage batteries E 12 11 Error M...

Page 4: ...le 3 Equipotential cable Earting cable green yellow 4 Connecting cable probe control unit black 5 Cable lug for protection earth with earth clamp 6 Cable lug for earth magnet or earth clamp 7 High voltage probe 8 Silicon rubber electrode 9 Metall sweeper electrode Fig 1 ...

Page 5: ...E 2 ElektroPhysik PoroTest sockets Mains cable socket Sockets for earthing cable and high voltage probe connecting cable Fig 2 Fig 3 ...

Page 6: ...rial flaw is detected In addition to the spark discharge flaws are counted and indicated by a visible and audible signal Depending on the test electrode test voltage can be set from 0 5 7 kV P7 for coatings from 30 microns to 1 7mm or from 6 to 35kV P35 for coatings from 1 4mm to 11 3mm General information Supply schedule 1 2 Description The test instrument consists of a high voltage probe with an...

Page 7: ...rd if on charge After the control unit has been switched off discharge the high voltage generator to earth Do not carry out high voltage discharge to the instrument or to the connecting cable between instrument and probe 1 4 Accessories Aluminium case Brush rolling spring ring and right angle electrodes in various designs silicon rubber electrode 200 mm 7 8 ft width 3 pin plug cable free directly ...

Page 8: ...arth clamp or the earth magnet to an uncoated spot of the test object Fig 5 Fig 4 Earth cable yellow green left High voltage cable black right 2 Build up an additional protection earth by securely connecting the second end of the yellow green earth cable to a water pipe heating installation to the earthing contact of a socket outlet or to another suitable earthed metal construction For in the fiel...

Page 9: ...e surface of the test object is dry and clean 5 Selection of the test electrode For surfaces susceptible to scratches we recommend to use the silicon rubber electrode For uneven surfaces the metal sweeper electrode is recommended Special electrodes available upon request 6 Instrument settings 1 Swtich the gauge on Press Menu Enter key The following message appears Current readings XXX Press Menu E...

Page 10: ...ing your changes Instrument settings 6 1 Test parameters test voltage Excessive test voltage may damage the surface through spark discharge whereas insufficient test voltage prevents reliable porosity detection An appropriate test voltage must be set according to the thickness of the coating to be tested Use Arrow keys to adjust to the requested coating thickness Test voltage changes automatically...

Page 11: ...h button No auto off switch Auto off Push button function The black rubber ring at the high voltage probe operates as a bush button As long as you keep it pressed down voltage remains switched on Switch function The black rubber ring at the high voltage probe operates as a switch If you press once voltage is switched on If you press again voltage is switched off In both modes push button and switc...

Page 12: ...isplay backlight You can choose from ON Display and keys are backlit OFF default setting 6 8 Language You can choose from German French Spanish English default setting further languages upon request 6 9 Setting mode For the dialogue Test parameters you can choose from Thickness mm kV default setting Thickness mils kV Test voltage changes automatically according to the adjusted coating thickness Vo...

Page 13: ...ues minium and maximum voltage For highly conducting surfaces or surfaces subject to capacitance loading it is recommended to select a sensitivity value low enough to prevent damage but high enough to ensure a reliable pore detection If the high voltage probe is slowly approaching ground i e without any test sample being in between a reliable pore detection will only take place if the distance bet...

Page 14: ...supply is turned off residual voltage remains at the high voltage probe The red ring flashing indicates residual voltage The higher the flashing frequency the higher the residual voltage Residual voltage is available until the red light goes off Insufficient coating thickness or air bubbles will not be detected Coatings containing metal particles or carbon powder are electrically conductive They a...

Page 15: ...sh ones Note polarity Plus must be connected to battery cover direction 4 Place cover on battery compartment push batteries down and make sure lid fits tightly Charging changing storage batteries The lower the number of bars the lower the battery charge If batteries run down the high voltage generator fails to build up test voltage PoroTest 7 is not serviceable until the batteries are recharged Im...

Page 16: ...ontrol unit has been interrupted during operation Check probe cable for damages Connect probe cable properly Probe voltage drop Voltage drop between control unit and probe Recharge battery or switch to mains supply or attach a shorter connecting cable Low battery Please recharge Low battery Recharge will be necessary soon Battery run down Please recharge Insufficient battery charge Immediate recha...

Page 17: ...e On charge Charging in progress Charging procedure can be interrupted by the operator Charging completed Battery charge completed Charge interrupted Battery charge has been interrupted by the operator Storage batteries removed or faulty Batteries have been removed during charge or faulty batteries Insert batteries or replace by fresh ones Storage batteries faulty or temperature too high Deep disc...

Page 18: ...h voltage probe over the non conductive material a spark discharge is produced at the presence of a pore The gauges identifies the sparks to register and count them accordingly electrically conductive electrode protection earth insulating coating earth clamp conductive base ...

Page 19: ... of reading Dimensions weight of high voltage probe 274mm x 63 mm l x dia 550 g 10 8 x 2 48 1lbs 3oz Dimensions weight of control unit 225 mm x 150 mm x 85 mm L x W x H 1400 g 8 87 x 5 9 x 3 35 L x W x H 3 lbs 1 oz Alarm signal 90 dB 0 1s pore continuous tone in case of short circuit Signal output potential free Umax 100V lmax 0 1A Storage battery 4 C cells IEC LR 14 3 5 Ah NiMH replaceable Storag...

Page 20: ...rotection IP 65 dust and hoseproof Probe cable standard length approx 1 5m 59 10 m 393 70 max Earth cable 2 x 5m 2 x 196 85 green yellow flexible Mains cable 2 m 78 74 mains plug with earthing contact Humidity avoid dew on the surface refer to DIN 55 670 Safety fuse 2 5 A time lag fuse Industrial standards and regulations DIN 55670 DIN 50 191 VDE 0104 DIN EN 61010 Part 1 VDE 0411 Part 1 ...

Page 21: ...this product Any operating problems or trouble should be reported to the ElektroPhysik service department Plesase include a short description of the problem For any further question regarding application use or techncial data please call your dealer or directly refer to ElektroPhysik Please refer to the next page for ElektroPhysik contact addresses After sales service ...

Page 22: ...15 D 50735 Cologne Germany Tel 49 0 221 75204 0 Fax 49 0 221 75204 67 www elektrophysik com info elektrophysik com USA ElektroPhysik USA 778 West Algonquin Rd Arlington Heights IL 60005 Tel 1 847 437 6616 Fax 1 847 437 0053 www elektrophysik com epusa elektrophysik com ...

Page 23: ...11 control unit E 1 E 3 E 4 E 5 E 6 E earth socket E 5 earthing cable E 2 electrically conductive E 11 erratic measurings E 12 F flashing E 11 H high voltage probe connecting cable E 2 I insulating E 3 M mains E 1 E 2 E 3 E 8 E 11 E 12 mains cable socket E 2 metal particles E 11 N NiMH E 4 E 12 number of bars E 12 number of pores E 11 P polarity E 12 protection earth E 1 E 5 Push button E 8 ...

Page 24: ...g E 8 E 11 red ring flashing E 11 residual voltage E 11 rubber ring E 8 S scanning speed E 11 signal contact E 4 spark discharge E 3 E 7 E 11 E 15 static charge E 5 E 11 Switch on E 6 E 11 T Test voltage E 7 E 9 test voltage E 3 E 4 E 7 E 12 troubleshooting E 13 two pin earth socket E 5 ...

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