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90245400T90Z001K000

V1.00/EN/00731587/2020-01-27

Temperature Probes

for Combined Cold/Heat Meters

Basic types 902454/10 and 902454/11

Basic type 902464/10

Operating Manual

Содержание 902454/10

Страница 1: ...90245400T90Z001K000 V1 00 EN 00731587 2020 01 27 Temperature Probes for Combined Cold Heat Meters Basic types 902454 10 and 902454 11 Basic type 902464 10 Operating Manual...

Страница 2: ......

Страница 3: ...purpose of application 7 2 2 Identification marking 7 3 Technical data 9 4 Installation 11 4 1 Installation notes 12 4 2 Temperature probes for direct mounting 902454 10 and 902454 11 13 4 3 Temperatu...

Страница 4: ...Contents...

Страница 5: ...erature probes for measuring the forward flow and reverse flow temperature in a heat exchanger system Product standard DIN EN 1434 Product standard DIN EN 60751 2009 IEC 60751 2008 Directive 2014 32 E...

Страница 6: ...1 Safety information 6...

Страница 7: ...d measure the difference between the forward flow and reverse flow temperature of a heat exchanger sys tem The temperature probes are made up of a corrosion resistant protection fitting In order to me...

Страница 8: ...2 General information 8...

Страница 9: ...power loss of 5 mW Depending on the nominal values this results in the following effective current values Pt100 1783 A Pt500 797 A Pt1000 564 A Response times 902454 10 t0 5 5 s t0 63 7 s t0 9 12 s 90...

Страница 10: ...3 Technical data 10...

Страница 11: ...r cross sec tion and the nominal value according to DIN EN 1434 2 If the maximum admissible length which may be connected to the computer unit has a lower value this value applies to be taken from the...

Страница 12: ...ngs used and the choice of the same immersion depth which must be greater than the minimum immersion depth and the external thermal insulation This is intended to en sure that the possible measurement...

Страница 13: ...the temperature probe using the hexagon wrench flat Direct mounting DN Pipe EL ET LM 50 mm 60 3 mm 85 mm 39 mm 40 mm 65 mm 76 1 mm 120 mm 54 mm 60 mm 80 mm 88 9 mm 120 mm 64 mm 50 mm 100 mm 114 3 mm...

Страница 14: ...nstallation location are undamaged clean and dry NOTE Only install the temperature probe using the wrench flat at the cold barrier Installation in thermowell DN Pipe EL ET LM L 150 mm 168 3 mm 140 mm...

Страница 15: ...mowell internal diameter 6 0 08 0 00 mm This version complies with the DIN EN 1434 2 standard and is preferred The thermowell is marked by an appropriate DIN EN 1434 standard reference and the inserti...

Страница 16: ...4 Installation 16...

Страница 17: ...i bration period the metrological identification marking has elapsed to check that the maximum permissi ble error MPE is observed At the same time to maintain leak tightness at least every 5 years the...

Страница 18: ...5 Maintenance 18...

Страница 19: ...19 6 Declaration of conformity 6 Declaration of conformity...

Страница 20: ...6 Declaration of conformity 20...

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Страница 24: ...ers Road East Syracuse NY 13057 USA Delivery address Mackenrodtstra e 14 36039 Fulda Germany Phone Fax Email Internet 44 1279 63 55 33 44 1279 62 50 29 sales jumo co uk www jumo co uk Phone Fax Email...