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KERN & Sohn GmbH

Ziegelei 1
D-72336 Balingen
E-Mail: [email protected]

Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com

Operating manual
Platform balance

KERN OEX

Version 1.1
10/2014
GB

Doc.No.OEX-BA-e-1411

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Содержание OEX 100K-1HM

Страница 1: ...H Ziegelei 1 D 72336 Balingen E Mail info kern sohn com Phone 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com Operating manual Platform balance KERN OEX Version 1 1 10 2014 GB Doc No OEX BA e 1411 ...

Страница 2: ...n the Operation Manual 3 2 Intended use for OEX balances 4 3 Design of OEX balances with one weighing cell 4 5 ATEX marking meaning of icon 7 6 Installation instruction for balance 9 7 Changing the installation site for the balance 13 8 Cleaning and maintenance 14 9 Technical examination 15 2 Doc No OEX BA e 1411 ...

Страница 3: ...selves with the device s components described in the operating instructions Display KEX TM Power unit IEX A01 U IEX A01 E These operating instructions should be freely available for consultation to the employees The operating instructions contain the icons shown below Continuously prescribed actions Actions prescribed under certain circumstances Marking essential paragraphs dealing with explosion ...

Страница 4: ...unit IEX A01 by KERN positioned outside the hazardous zone Weighing cell executed as ex model Weighing platform non electric mechanical balance component The display unit of the KEX TM series is connected by a cable to the integrated dynamometer a weighing cell of the platform The platform balance comprises a weighing pan made of stainless steel providing sufficient protection and allowing easy cl...

Страница 5: ...The balances of the OEX series are equipped with a KEX TM display unit Safe area Ex protected area 1 load cell balance Doc No OEX BA e 1411 5 ...

Страница 6: ...M 500 500 150 5 400 400 790 710 OEX 100K 1HM 500 500 150 5 400 400 790 710 Balances of the OEX series dimensions Models without tripod Balance model A1 A2 B C1 C2 OEX 6K 3M 306 246 103 3 268 208 OEX 10K 3M 306 246 103 3 268 208 OEX 30K 2M 410 410 98 2 370 370 OEX 60K 2M 500 500 150 5 400 400 OEX 100K 1M 500 500 150 5 400 400 Balances of the OEX series dimensions 6 Doc No OEX BA e 1411 ...

Страница 7: ...phere G Caused by gas steam and mist D Caused by dust Icon for explosion protection used Construction type o Oil protection p Gas protection with excessive pressure q Sand protection d Flameproof protection e Reinforced construction ia Intrinsically safe construction for operation in areas 0 1 2 ib Intrinsically safe construction for operation in areas 1 2 Electrical equipment compatible with one ...

Страница 8: ... EN 60079 0 and PN EN 60079 11 certified by KDB 14ATEX0110 certificate The display unit is powered by mains adapter IEX A01 made by KERN and positioned outside the hazardous and is in conformity with the standards PN EN 60079 0 and PN EN 60079 11 certificate KDB 14ATEX0109 The platform balance is used with weighing cells PC6 PC22 PC42 PC60 and PCB supplied by Flintec which are certified for safe u...

Страница 9: ... platform balance Balances of the OEX series without tripod have a display unit that can be connected to the wall via a cable with the help of a holder The display unit is designed for attachment to a table or for installation on a wall with the help of a holder o Unpack the balance outside the hazardous area o Remove all transport locking devices after unpacking o Attach tripod to platform o Feed...

Страница 10: ...splay unit with the help of nuts M4 To ensure that the loop is fixed permanently and in contact with the display unit use a lock washer The PE conductor should be of yellow and green colour and provide a sectional surface of 4mm The diagram below shows the balance s connection to earth Place the platform balance and the display unit on the intended installation site in the ex area and connect it t...

Страница 11: ...r the adjustable feet stand on the balance base Ensure that the weight is evenly distributed among the feet Check once again that the installation site for the balance is level Exact flatness is established when the air bubble of the spirit level is in the centre of the spirit level ring If further levelling of the platform balance is required turn the adjustable feet of the balance in order to ad...

Страница 12: ...terminal marked DC IN on the display unit 1 Mains connection 2 Connection cable 3 Marking PE conductor 4 Shielded load cell cable 5 Sticker power connection Prior to initial start up make sure that there is no risk of explosion that no explosive atmosphere is present If it is obvious that the balance is not working correctly disconnect the balance from the power supply secure it and contact KERN c...

Страница 13: ...t a self test Afterwards the balance will change to zero display thus indicating readiness for operation The following icons will appear Zero indicator Stability display kg Weighing mode weighing unit 7 Changing the installation site for the balance If the balance is to be taken to another installation site carry out all the precautionary measures described in chapter 6 of these operating instruct...

Страница 14: ... operation The adjustable feet of the platform balance and the shock absorbers are made of rubber When they are inside the hazard area you will have to use a slightly moistened cloth for cleaning Moistness protects against electrostatic charges Make sure that you do not damage the earth contact springs during cleaning They serve as a retainer of electrostatic charge on the weighing pan They should...

Страница 15: ... for the protection of the conductor leading to the platform balance and the display unit regular balances with cabled display The quality of the connection between the platform and the display unit flexible steel tube connecting both subassemblies Damage and loss of a connection is inacceptable The electrical connection between the housing and the platform the maximum resistance between the weigh...

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