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KERN EWJ, Operating Instructions Manual

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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  
Precision balances 

 

 

 

KERN EWJ 

Version 1.1 
02/2014 
GB

 

 

 

 

EWJ-BA-e-1411 

 

 

 

Summary of Contents for EWJ

Page 1: ...bH 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 Precision balances KERN EWJ Version 1 1 02 2014 GB EW...

Page 2: ...1 5 2 Packaging return transport 11 6 Unpacking Setup and Commissioning 12 6 1 Installation Site Location of Use 12 6 2 Unpacking Scope of delivery 12 6 2 1 Scope of delivery serial accessories 12 6 2...

Page 3: ...menu 27 8 3 Overview 28 9 Interfaces 31 9 1 Technical data 31 9 2 Printer operation RS 232 32 9 3 Output log continuous output 33 10 Servicing maintenance disposal 33 10 1 Clean 33 10 2 Servicing mai...

Page 4: ...l 3 sec Operating temperature 5 C 40 C Humidity of air max 80 not condensing Dimensions completely assembled wind shield W x D x H mm 220 x 315 x 180 220 x 315 x 321 220 x 315 x 180 Dimensions of the...

Page 5: ...hours Stabilization time typical 3 sec Operating temperature 5 C 40 C Humidity of air max 80 not condensing Dimensions fully mounted wind shield W x D x H mm 220 x 315 x 180 Dimensions of the housing...

Page 6: ...erview Example EWJ 300 3 EWJ 600 2M 1 Windshield 2 Weighing pan 3 Levelling screw 4 Bubble level 5 Keyboard 6 Display 7 RS 232 8 USB 9 Terminal power supply unit 10 Battery compartment 11 Transportati...

Page 7: ...mple EWJ 300 3H 13 Windshield 14 Weighing pan 15 Display 16 Bubble level 17 Keyboard 18 Levelling screw 19 RS 232 20 USB 21 Terminal power supply unit 22 Battery compartment 23 Transportation locks 24...

Page 8: ...ighing data via interface Exit menu back to weighing mode Switch over weighing unit Scroll forward in menu Parts counting Delete total added memory Percent determination Start internal adjustment long...

Page 9: ...alance Its full width is reached at maximum load This is an analogue display of the current allocation of the weighing area Stability display Pcs Indicator for counting Indicator for percent determina...

Page 10: ...mage the measuring system Impacts and overloading exceeding the stated maximum load max of the balance minus a possibly existing tare load must be strictly avoided Balance may be damage by this Never...

Page 11: ...tion Manual Carefully read this operation manual before setup and commissioning even if you are already familiar with KERN balances All language versions contain a non binding translation The original...

Page 12: ...tion condensation of air humidity on the appliance may occur if a cold appliance is taken to a considerably warmer environment In this case acclimatize the disconnected appliance for ca 2 hours at roo...

Page 13: ...king devices Install weighing plate and wind shield if necessary Level balance with foot screws until the air bubble of the water balance is in the prescribed circle Check levelling regularly 6 3 Main...

Page 14: ...apter 8 2 6 5 Connection of peripheral devices Before connecting or disconnecting of additional devices printer PC to the data interface always disconnect the balance from the power supply With your b...

Page 15: ...he first commissioning after each change of location as well as in case of fluctuating environment temperature To receive accurate measuring values it is also recommended to adjust the display unit pe...

Page 16: ...l After a set time interval selectable 1 8 hrs in the menu F5 HoUr see chap 8 3 the internal adjustment is automatically started The motor noise of the loading system for the internal adjustment weigh...

Page 17: ...exists as described above it must be verified and re verified at regular intervals Re verification of a balance is carried out according to the respective national regulations The validity for verifi...

Page 18: ...ing 7 2 Switching Off Press the display will disappear 7 3 Zeroing Resetting to zero corrects the influence of light soiling on the weighing plate Unload the balance Press and zero display as well as...

Page 19: ...cess can be repeated any number of times e g when adding several components for a mixture adding The limit is reached when the taring range capacity is full 7 6 Percent determination Percent weighing...

Page 20: ...ness Set reference Press the current reference quantity e g 10 and the indicator Pcs are displayed Use to set the desired reference quantity e g 100 selectable SP 10 SP 20 SP 50 SP100 SP 200 Place as...

Page 21: ...see chap 8 2 For menu settings see chapter 8 2 F3 COM S 232 P Prt SALE n The totalizing function is not active when the weight is under 20d Add up Place item to be weighed A e g 100 g Wait for stabil...

Page 22: ...ighings followed by the total weight will be displayed for 2 sec After that the current weighing value is displayed Add more weighed goods as described before Please note that the weighing system must...

Page 23: ...l weight will be shown for 2 sec and printed if an optional printer is connected Delete total added memory When display Sum Total appears press The data in the summation memory are deleted Printout ex...

Page 24: ...u settings chap 8 2 F3 COM S 232 P AUto SALE n The totalizing function is not active when the weight is under 20d Add up Place item to be weighed A e g 100 g After stabilisation control has taken plac...

Page 25: ...e total weight will be displayed for 2 sec Add more weighed goods as described before Please note that the weighing system must be unloaded between the individual weighing procedures This process may...

Page 26: ...item With help of the individual menu items can be selected one after the other Select setting Confirm selected menu item by pressing The current setting will be displayed Change settings Switch into...

Page 27: ...approval tECH is displayed the seal mark must be destroyed and the adjustment switch be actuated Position of adjustment switch see chap 6 11 Attention After destruction of the seal the balance must be...

Page 28: ...see chap 7 9 Press and the weighing value will be added to the summation memory and issued P Cont Continuous data output see chap 9 3 P AUto For automatic add up see chap 7 10 This function is used t...

Page 29: ...ry bAtton Display loading status display Recharg battery SALE m SALE n Sale mode no d 0 1g EWJ 300 3 d 0 001 g EWJ 600 2M d 0 01 g EWJ 6000 1M d 0 1 g SALE y Sale mode yes d 0 01 g EWJ 300 3 d 0 01 g...

Page 30: ...documented P2 CAL Adjustment not documented P3 Cnt XXXXX X Display internal resolution P4 A 2n A2 oFF Automatic zero point correction switched off A2n 0 5d Automatic zero point correction Autozero by...

Page 31: ...DBS A02 scope of supply USB cable driver CD software balance connection For further information please go to KERN Homepage www kern sohn com The following conditions must be met to provide successful...

Page 32: ...0g Percent determination PERC 50 01 Parts counting PCS UW G 20PCS 5 00027g 100g Totalization 1 49 99g G 49 99g 1 49 99g G 49 99g 3 149 99g G 149 99g 1 3 299 97g 2 Menu setting F3 COM P Cont stable gro...

Page 33: ...suds Ensure that no liquid penetrates into the device Polish with a dry soft cloth Loose residue sample powder can be removed carefully with a brush or manual vacuum cleaner Spilled weighing goods mus...

Page 34: ...nging Draught air movement Table floor vibrations Weighing pan has contact with other objects Electromagnetic fields static charging choose different location switch off interfering device if possible...

Page 35: ...s normas siguientes F D claration de conformit Nous d clarons avec cela responsabilit que le produit auquel se rapporte la pr sente d claration est conforme aux normes cit es ci apr s I Dichiarazione...

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