Table of Contents
Related Manuals for KERN GAB-N
Summary of Contents for KERN GAB-N
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Page 1: Operating Instructions
KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 email: info@kern-sohn.com Internet: www.kern-sohn.com Operating instructions Bench scales KERN GAB-N Version 1.3 01/2011 GAB-N-BA-e-1113... -
Page 2: Table Of Contents
KERN GAB-N Version 1.3 01/2011 Operating Instructions Bench Scales Table of Contents Technical Data....................4 Basic Information (General) ................6 Proper use ..........................6 Improper Use..........................6 Warranty ............................. 7 Monitoring of Test Resources ....................7 Basic Safety Precautions ................7 Pay attention to the instructions in the Operation Manual............ - Page 3 Verifiable models........................28 11.2 Overview:..........................29 11.2.1 Non verifiable models......................29 11.2.2 Verifiable models........................30 Service, maintenance, disposal..............31 12.1 Cleaning ........................... 31 12.2 Service, maintenance ....................... 31 12.3 Disposal ............................ 31 12.4 Error messages ........................32 Instant help....................33 GAB-N-BA-e-1113...
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Page 4: Technical Data
Mains adapter: 9 V, 800 mA Working life approx. 70 h (with background light) Rechargeable battery, Working life approx. 90 h (without background light) not included Loading time approx. 12 hrs. Net weight (kg) 4.4 kg interface RS 232C GAB-N-BA-e-1113... - Page 5 Mains adapter: 9 V, 800 mA Working life approx. 70 h (with background light) Rechargeable battery, Working life approx. 90 h (without background light) not included Loading time approx. 12 hrs. Net weight (kg) 3.06 kg interface RS 232C GAB-N-BA-e-1113...
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Page 6: Basic Information (General)
The structure of the balance may not be modified. This may lead to incorrect weighing results, safety-related faults and destruction of the balance. The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. GAB-N-BA-e-1113... -
Page 7: Warranty
3.1 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. 3.2 Personnel training The appliance may only be operated and maintained by trained personnel. GAB-N-BA-e-1113... -
Page 8: Transportation & Storage
5.1 Installation Site, Location of Use The balances are designed in a way that reliable weighing results are achieved in common conditions of use. You will work accurately and fast, if you select the right location for your balance. GAB-N-BA-e-1113... -
Page 9: Unpacking/Erection
Mains power supply Operating instructions 5.3 Mains connection Power is supplied via the external mains adapter. The stated voltage value must be the same as the local voltage. Only use original KERN mains adapters. Using other makes requires consent by KERN. GAB-N-BA-e-1113... -
Page 10: Rechargeable Battery Operation
(see warming up time chap. 1). During this warming up time the balance must be connected to the power supply (mains, accumulator or battery). The accuracy of the balance depends on the local acceleration of gravity. Strictly observe hints in chapter Adjustment. GAB-N-BA-e-1113... -
Page 11: Appliance Overview
6 Appliance overview 1. Weighing plate / rechargeable battery compartment (under weighing plate) 2. Bubble level 3. RS 232 interface 4. Footscrews 5. ON/OFF switch 6. Mains adapter connection GAB-N-BA-e-1113... -
Page 12: Overview Of Displays
Net weight display Displays the net weight GROSS Gross weight display Showing gross weight Tolerance check Load above (HI), below (LO) or within (OK) tolerance range Checkweighing Power supply connected Icon is glowing for power supply via power pack GAB-N-BA-e-1113... -
Page 13: Keyboard Overview
Move to the left by one decimal point Tolerance key Enter upper, lower or both limits Check-weighing Move to the right by one decimal point Tare key TARE Tare balance TARE Increase displayed value Zeroing key Reset scales to zero Confirm entered value or select function GAB-N-BA-e-1113... -
Page 14: Adjustment
The weight to be used depends on the capacity of the balance. Carry out adjustment as near as possible to the balance’s maximum weight. Info about test weights can be found on the Internet at: http://www.kern- sohn.com • Observe stable environmental conditions. Stabilisation requires a certain warm-up time. GAB-N-BA-e-1113... -
Page 15: Verified Models
After the adjustment the balance will carry out a self-test. Remove adjusting weight during selftest, the appliance will return into weighing mode automatically. GROSS An adjusting error or incorrect adjusting weight will be ZERO indicated by the error message; repeat adjustment procedure. GAB-N-BA-e-1113... -
Page 16: Non-Verifiable Models
After the adjustment the balance will carry out a self-test. Remove adjusting weight during self test, balance will return into weighing mode automatically. GROSS In case of an adjustment error or incorrect adjusting weight ZERO the display will show an error message, repeat adjustment process. GAB-N-BA-e-1113... -
Page 17: Verification
Reverification is carried out according to relevant national statutory regulations. The validity for verification of balances in Germany is e.g. 2 years. The legal regulation of the country where the balance is used must be observed! • Verification of the weighing system is invalid without the "seal". GAB-N-BA-e-1113... - Page 18 Notes on verified Waagen Possible seals: B urgent, and A or C 1. Seal of approval 2. Cover 3. Verification switch 4. Verification wire GAB-N-BA-e-1113...
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Page 19: Operation
To delete the tare value, remove load from weighing plate GROSS ZERO TARE and press The taring process can be repeated any number of times, e.g. when adding several components for a mixture (adding). The limit is reached when the whole weighing range is exhausted. GAB-N-BA-e-1113... -
Page 20: Percent Weighing
0.00 GROSS The display will return to 0.00 % ZERO Place a sample 20.00 GROSS The display will show the percentage value of the sample in relation to the reference value. To return to gram / kilo mode, press GAB-N-BA-e-1113... -
Page 21: Parts Counting
You will briefly see a line on the screen before the scales show the respective quantity. ---- GROSS GROSS To change between reference weight, total weight and quantity, press the key. To return to weighing mode, press the key. GAB-N-BA-e-1113... -
Page 22: Weighing With Tolerance Range
The arrow symbols indicate whether load is within the two set limits. The icons provide the following information: Goods to be weighed above tolerance limit Goods to be weighed within tolerance range Goods to be weighed below tolerance limit GAB-N-BA-e-1113... - Page 23 Tare when using a weighing container Put on goods to be weighed, tolerance control is started The tolerance control is not active when the weight is under 20d. To finish tolerance weighing, set both limit to zero by pressing GAB-N-BA-e-1113...
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Page 24: Manual Totalizing
Further loads can only be added after the display has ZERO returned to zero. Add more weighed goods as described before. Please note that the balance must be unloaded between the individual weighing procedures. You can repeat this process until the capacity of the scales is exhausted. GAB-N-BA-e-1113... - Page 25 With the weighing platform unloaded, press followed by The data in the summation memory are deleted. Printout example: 1st weighing : 0.200 kg Total 0.200 kg 2. Weighing 0.050 kg Total 0.250 kg Number of weighings / total : Total 0.250 kg GAB-N-BA-e-1113...
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Page 26: Automatic Adding-Up
Afterwards the weighing scales change to zero display. GROSS ZERO Add more weighed goods as described before. Please note that the balance must be unloaded between the individual weighing procedures. You can repeat this process until the capacity of the scales is exhausted. GAB-N-BA-e-1113... - Page 27 With the weighing platform unloaded, press followed by The data in the summation memory are deleted. Printout example: 1st weighing : 0.200 kg Total 0.200 kg 2. Weighing 0.050 kg Total 0.250 kg Number of weighings / total : Total 0.250 kg GAB-N-BA-e-1113...
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Page 28: The Menu
Change settings Use the verification switch and the button to switch over into the available settings. Acknowledge setting / PRINT Either save by pressing or cancel by pressing exit the menu Return to weighing Press to exit menu. mode GAB-N-BA-e-1113... -
Page 29: Overview
0 No audio sound during tolerance weighing Acoustic Audio sound when weight is within tolerance range signal Audio sound when weight is beyond tolerance range SPd 7.5 SPd 7.5 SPd 15 not documented SPd 30 SPd 60 GAB-N-BA-e-1113... -
Page 30: Verifiable Models
Audio sound when weight is beyond tolerance range SPd 15 SPd 7.5 SPd 15 not documented SPd 30 SPd 60 oF 0 Auto off after 0, 3, 5, 15, or 30 minutes Auto off return Return to weighing mode by GAB-N-BA-e-1113... -
Page 31: Service, Maintenance, Disposal
The appliance may only be opened by trained service technicians who are authorized by KERN. Before opening, disconnect from power supply. 12.3 Disposal Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used. GAB-N-BA-e-1113... -
Page 32: Error Messages
• Improper operation of the ERR5 balance Value outside the A/D • Damaged weighing cell ERR6 changer range • Damaged electronics Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. GAB-N-BA-e-1113... -
Page 33: Instant Help
• Great fluctuations in temperature. • Warm-up time was ignored. • Electromagnetic fields / static charging (choose different location/switch off interfering device if possible) Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. GAB-N-BA-e-1113...