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Table of Contents
Related Manuals for KERN HFA Series
Summary of Contents for KERN HFA Series
- Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Operating manual Electronic Crane Scales Logbook Regular maintenance and care KERN HFA Version 1.2 11/2016 HFA-BA-e-1612...
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Page 2: Table Of Contents
KERN HFA Version 1.2 11/2016 Operating instructions / logbook Electronic Suspended balance Contents Technical data _________________________________________________ 4 Dimensions ____________________________________________________ 6 Nameplate _____________________________________________________ 8 EC-Declaration of -Conformity ______________________________________ 9 General Safety Instructions _____________________________________ 10 Duties of the owner-operator ______________________________________ 10 Organizational measures _________________________________________ 10... - Page 3 Menu ________________________________________________________ 32 Navigation in the menu: __________________________________________ 32 Overview _____________________________________________________ 33 Adjustment ___________________________________________________ 34 Linearization __________________________________________________ 36 Linearization __________________________________________________ 36 Carry out linearization ___________________________________________ 37 Cleaning, Repair, Maintenance and Disposal _______________________ 39 Cleaning and Disposal ___________________________________________ 39 Regular maintenance and care ____________________________________ 40 Checklist „regular maintenance“, (see chapter 9.2) _____________________ 41 Enclosure ____________________________________________________ 43 10.1...
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Page 4: Technical Data
1. Technical data KERN HFA 600K-1 HFA 1T-4 HFA 3T-3 Readability (d) 0.2 kg 0.5 kg 1 kg Weighing range (max) 600 kg 1000 kg 3000 kg Taring range (subtractive) 599.8 kg 999.5 kg 2999 kg Reproducibility 0.2 kg 0.5 kg... - Page 5 KERN HFA 5T-3 HFA 10T-3 Readability (d) 2 kg 5 kg Weighing range (max) 5000 kg 10000 kg Taring range (subtractive) 4998 kg 9995 kg Reproducibility 2 kg 5 kg Linearity ± 4 kg ± 10 kg Recommended adjustment 3000 kg (M3)
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Page 6: Dimensions
Dimensions Balance 0.6 t / 1 t Balance 3 t HFA-BA-e-1612... - Page 7 Balance 5 t Balance 10 t HFA-BA-e-1612...
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Page 8: Nameplate
Nameplate KERN Logo Model designation Weighing range [Max] Data for power supply Company address Readability [d] Date of manufacture CE mark Disposal symbol Serial number HFA-BA-e-1612... -
Page 9: Ec-Declaration Of -Conformity
EC-Declaration of -Conformity www.kern-sohn.com KERN & Sohn GmbH Ziegelei 1 +0049-[0]7433-9933-0 72336 Balingen-Frommern +0049-[0]7433-9933-149 Germany info@kern-sohn.com Déclaration de conformité UE | EU Declaration of Conformity | EU-Konformitätserklärung FR Nous déclarons par la présente sous notre entière responsabilité que le produit concerné par cette déclaration respecte les exigences des directives mentionnées ci-après. -
Page 10: General Safety Instructions
The customer is solely responsible for material damage and injury of persons resulting from an improper use, Messrs. KERN & Sohn will not be liable under any circumstance. -
Page 11: Pay Attention To The Instructions In The Operation Manual
Pay attention to the instructions in the Operation 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 German is binding. -
Page 12: Safe Working
Information is available on KERN’s home page (www.kern-sohn.com) with regard to the monitoring of balance test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and balances may be... -
Page 13: Appliance Overview
3. Appliance overview 1 Anchor eyelet 2 Display 3 Keyboard Lifting tackle not included in scope of delivery. Standardised attachment devices are to be used to attach loads. HFA-BA-e-1612... - Page 14 Rear Battery or rechargeable battery Mains connection compartment HFA-BA-e-1612...
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Page 15: Overview Of Display
Overview of display Display Significance Rechargeable battery capacity Indicators for weighing with tolerance range Totalization STABLE Stability display ZERO Zero indicator The displayed weighing value is a net weighing value Weighing Units HFA-BA-e-1612... -
Page 16: Keyboard Overview
Keyboard overview Button Description of function • Taring • Zeroing • Exit menu / back to weighing mode. • Switch-over weighing unit • Scroll up/down menu • For numeric entry increase value of digit • Set readability (options: 1d/2d/5d/10d/20d) • Set weight display •... -
Page 17: Label
Label Do not stand or go under suspended loads. Do not use on building site. Keep an eye on suspended loads. Do not exceed nominal rated load of balance. (example) The product conforms to the requirements of the German Equipment and Product Safety Act. -
Page 18: Commissioning
Always observe chapter 2 „General Safety Instructions“! Unpacking Once delivered and unpacked, suspended balances will not be taken back. The crane scales have been sealed by Messrs. KERN. SAFETY Removal from packaging is also sealed. INSTRUCTIONS Broken seal obliges to purchase. -
Page 19: Checking The Original Dimensions
(see chapter 9.3) If the dimensions of your first safety inspection do not match those of KERN, the balance must not be put into operation. In this case please contact a service partner authorised by Messrs. KERN. - Page 20 Accu operation: When the rechargeable battery is empty, appears on the balance’s display. Turn off balance and connect power supply unit; battery is charged. Once the battery has been fully charged the display will show the symbol. Insert rechargeable battery: Unscrew battery compartment in arrow direction.
- Page 21 Connect cable of balance to battery cable as shown on image. Insert battery in the centre. Ensure that the cables are not kinked. Relock battery compartment. HFA-BA-e-1612...
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Page 22: Suspending The Balance
Suspending the balance Condition The crane needs a safety bracket (1) that the unloaded suspended balance cannot fall down. If the safety bracket is missing or damaged, please contact the crane manufacturer in order to receive a hook with this safety equipment. ... -
Page 23: Operation
5. Operation Safety instructions Risk of injury due to falling loads! DANGER Take great care when operating the crane and follow the general rules for crane operation. Check all parts (hook, carbines, rings, rope slings, cables, chains etc.) for excessive wear or damage ... -
Page 24: Loading The Suspended Balance
Loading the suspended balance For good weighing results observe the following, illustrations see next page: Only use load attachment devices which guarantee a one-spot suspension and where the scales can be suspended freely. Do not use too large load attachment devices which do not guarantee any one- spot suspension. - Page 25 Always use suitable lifting tackle. Only use attachment devices which guarantee a one-point suspension and where the scales can be suspended freely. Do not use too large attachment devices which cannot guarantee a one-point suspension. HFA-BA-e-1612...
- Page 26 Do not push or pull Do not pull the hook horizontally Do not use multiple suspensions HFA-BA-e-1612...
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Page 27: Turn On/Off
Turn on/off Start-up Press . The display lights up and the balance carries out a selftest. As soon as the weight display appears, the instrument will be ready to weigh. Switching Off Press Set balance to zero In order to obtain optimal weighing results, reset to zero the balance before weighing. ... -
Page 28: Weighing
Weighing Load the suspended balance. The weight value will be displayed at once. Overload warning Overloading exceeding the stated maximum load (max) of the balance, minus a possibly existing tare load, must be strictly avoided. This could cause damage to the balance. Exceeding the maximum load is indicated by the display „ol“... -
Page 29: Hold Weighing Value (Data-Hold Function)
Hold weighing value (Data-HOLD function) Once a stable weight value has been established, this can be fixed until deleted before the next weighing activity. Attach the material to be weighed To start the Hold function, press and the heaviest load of the last weighing activity will be displayed. -
Page 30: Weighing With Tolerance Range
5.10 Weighing with tolerance range To ensure that your weight value is within a defined tolerance range, you can define an upper and a lower limit value of your choice using function “F3 chk“ (See chap. 6). During tolerance tests such as portioning or sorting the unit will indicate exceeded or undershot limits by emitting an optical or acoustic signal. - Page 31 7. Acknowledge by 8. Press again, the currently set upper limit value is displayed. The active digit is flashing. Press to select the digit to be amended. To change the selected (flashing) digit, press repeatedly until the desired value is displayed. 9.
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Page 32: Automatic Switch-Off Function (Auto-Off)
5.11 Automatic switch-off function (auto-off) The automatic switch-off function allows you to set a period of time in the menu after that the balance will switch off automatically in stand-by mode. 6. Menu Navigation in the menu: Call up menu Switch-on balance and during the selftest press The first function F0bk is displayed. -
Page 33: Overview
Overview Available Function Description settings F0 bk bk on Background illumination on Display background bk off Background illumination off illumination bk AU Background illumination switches on automatically when loaded or a button is pressed F1 AZ AZ 0.5d Automatic zero correction (auto-zero) on change of Autozero AZ 1d display,... -
Page 34: Adjustment
The weight to be used depends on the capacity of the scale. Carry out adjustment as near to maximum load as possible. Info about test weights can be found on the Internet at: http://www.kern-sohn.com • Observe stable environmental conditions. A warming up time (see chapter 1) is required for stabilization. - Page 35 Press , “ULoAd“ will be displayed. Make sure that no loads apart from the lifting tackle are attached to the hook. Wait for stability display, then press Either use the displayed adjustment weight or change by , the currently enabled digit is flashing. (example) Press to select the digit to be amended.
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Page 36: Linearization
8. Linearization Linearization Linearity shows the greatest deviation of a weight display on the scale to the value of the respective test weight according to plus and minus over the entire weighing range. If linearity deviation is discovered during a monitoring of test resources, you can improve this by means of linearization. -
Page 37: Carry Out Linearization
Carry out linearization Turn off balance and attach suitable lifting tackle. Turn on balance with the lifting tackle attached and press during self-test. The first function „F0bk“ is displayed. Press repeatedly until „F5CAL“ is displayed. Press , the last parameter set will be displayed. - Page 38 Attach second adjustment weight, wait for stability display Press , “LoAd 3“ (max load) will be displayed Attach third adjustment weight, wait for stability display Press , “PASS“ will be displayed Finally the balance will carry out a self-test, “Err19“ is briefly displayed (Ignore error message), then the balance returns automatically to weighing mode, the weight value is displayed and linearization has been completed...
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Page 39: Cleaning, Repair, Maintenance And Disposal
If there arose discrepancies with the safety checklist, the balance must not more be put into operation. Do not repair the suspended balance yourself. Repair may only be carried out by service partners authorized by Messrs. KERN. Cleaning and Disposal Damage to suspended balance! ... -
Page 40: Regular Maintenance And Care
If the enhanced maintenance has to be carried out by Every 12 months or in any case after trained staff (KERN customer service). At this general 50 000 weighing revision all load carrying parts must be checked for gaps... -
Page 41: Checklist „Regular Maintenance", (See Chapter 9.2)
Checklist „regular maintenance“, (see chapter 9.2) Original dimensions suspended Serial no. …………………………… balance You can find these data in the documentation enclosed with the balance. Please keep this document Capacity …………………………… always available) Lifting eyes clearance k [mm] Date ………………………………… Tester ………………………………………... - Page 42 All load carrying parts have to be exchanged by a service 60 months / 250 000x partner authorised by KERN. bold letters = this maintenance work has to be carried out by a service partner authorized by KERN. HFA-BA-e-1612...
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Page 43: Enclosure
10. Enclosure 10.1 Checklist „Enhanced maintenance“ (General revision) The enhanced maintenance has to be carried out by a service partner authorized by KERN. Model ………………………………….. Suspended balance Serial no. …………………………………………….. Magnetic particle testing Interval Date Name Signature for cracks lifting eyes...