1 Technical data KERN RPB 3K1NM RPB 6K2NM Readability (d) Weighing range (max) 3 kg 6 kg Minimum load 20 g 40 g Verification value Verification class Reproducibility Linearity ± 2 g ± 4 g Stabilization time 2 sec. 2 sec.
Page 5
KERN RPB 15K5NM RPB 30K10NM RPB 3K1HNM Readability (d) 10 g Weighing range (max) 15 kg 30 kg 3 kg Minimum load 100 g 200 g 20 g Verification value 10 g Verification class Reproducibility 10 g Linearity ± 10 g ±...
Page 6
KERN RPB 6K2HNM RPB 15K5HNM RPB 30K10HM Readability (d) 10 g Weighing range (max) 6 kg 15 kg 30 kg Minimum load 40 g 100 g 200 g Verification value 10 g Verification class Reproducibility 10 g Linearity ± 4 g ±...
KERN RPB..NM Mark applied EU Directive Standards 89/336/EEC EMC EN 61326 EN 60950 73/23/EEC Low Voltage EN 61010 Date: 10.01.2007 Signature: Gottl. KERN & Sohn GmbH Management Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149 RPB-N-BA-e-0914...
3 Appliance overview Models without vertical display: Air bubble Battery Mains cable connection compartment Second display on customer's side ON/OFF switch RS-232C RPB-N-BA-e-0914...
Page 9
Models with vertical display: Mains cable connection Air bubble Rotatable vertical display ON/OFF Backside switch RS-232C RPB-N-BA-e-0914...
3.1.1 Display weight Here, the weight of your goods is displayed. The arrows above the symbols show: Battery very low Net weight Stability display Zeroing display 3.1.2 Display basic price Here, enter your basic price in €/kg or €/100 g via keyboard. The basic price can be switched to €/kg or €/100 g.
3.2 Keyboard overview Choice Function • Number keys, enter basic price /PLU • Delete key • Saving and calling up the two most frequently used PLU values • Saving and calling up the other PLU values • Taring key • Save •...
The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. 4.3 Warranty Warranty claims shall be voided in case •...
Infor- mation 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...
7 Unpacking, Setup and Commissioning 7.1 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. Therefore, observe the following for the installation site: •...
7.2.2 Scope of delivery Serial accessories: • Balance • Weighing plate • Power cable • Protective cover • Battery • Operating Manual 7.3 Mains connection Power supply is carried out by means of the supplied power cable (220 V, 50-60 Hz). 7.4 Battery power supply The battery is charged via the internal power supply.
7.6 Adjustment As the acceleration value due to gravity is not the same at every location on earth, each balance must be coordinated - in compliance with the underlying physical weighing principle - to the existing acceleration due to gravity at its place of location (only if the balance has not already been adjusted to the location in the factory).
Page 18
Carefully place adjusting weight in the centre of the weighing plate ---- The adjustment process is started. SPAnPASS The adjustment process has been success- fully completed. KP Qn Remove adjustment weight and jumper. The balance returns to weighing mode In case of an adjustment error or incorrect adjustment weight an error message is shown (SPAN / FAKLD) on the display, repeat adjustment process.
7.7 Verification General introduction: According to EU directive 90/384/EEC balances must be officially verified if they are used as follows (legally controlled area): a) For commercial transactions if the price of goods is determined by weighing b) For the production of medicines in pharmacies as well as for analyses in the medical and pharmaceutical laboratory c) For official purposes.
7.7.1 Jumper and seals 1. Bottom of the balance Access to conductor plate: • Place your balance upside down • Remove seal • For verified balances, the jumper is on a pin • For adjustment the jumper must be set on both pins Position jumper for adjustment Position of seal...
8 Operation 8.1 Switch on/off and set zero Operation Display 1. Switch on balance As soon as the weight display shows "0" Press ON/OFF switch and hold briefly (at in all the three display windows your bal- the bottom right side of the balance) ance is ready to weigh.
8.3 Weighing with taring The dead weight of any weighing container may be tared away by pressing a button, so that the following weighings show the net weight of the goods to be weighed. Operation Display Place empty tare container on the weigh- ing plate.
8.4 Weighing with price determination As soon as the goods to be weighed are placed on the balance and the basic price has been set the price is calculated automatically and displayed in the provided field. 8.4.1 Manual input of a basic price Display Operation Weight [kg]...
Page 24
Saving a unit price using the M3 key: 1. PLU 3 Display Operation Weight [kg] Unit price Price [ € ] Enter your unit price using the keyboard, either in €/kg or 0.000 2.00 0.00 €/100 g SAWE until there is a short beep (3 sec), then release the key im- mediately Wait until the display shows...
To modify values which have been saved at a certain PLU position, simply repeat the procedure. Call up a unit price: Display Operation Weight [kg] Unit price Price [ € ] LOAD LOAD + PLU position The unit price saved at this 0.000 2.00 0.00...
9 Display background illumination Operation Display ELAU Hold for 4 sec 1. Background illumination off To select your setting: 2. Background illumination on 3. Automatic background illumina- Press until your desired setting is tion on when weighing pate is loaded displayed Saving your settings: or return to weighing:...
10 AUTO OFF function For battery operation the balance has an automatic switch-off function which can be activated or deactivated in the menu. Proceed as follow Operation Display Switch on balance and press the 0 key during self test SLEEP NODE 1.
Data Interface RS 232C As standard, the balance is fitted with an RS 232C interface. 11.1 Technical data ASCII code 8 data bits no parity bit baud rate 4800 baud 11.2 Pin allocation for the balance output socket (front view) Pin 2: Receive data Pin 3:...
Example of output format (German/Euro): Label 1 08/01/2007 07:56:38 GRUNDPREIS NETTO SUMME € 1.20/100g 0.200 kg € 2.40 Label 2 DATUM 08/01/2007 ZEIT 07:56:38 GRUNDPREIS € 1.20/100g NETTO 0.200 kg SUMME € 2.40 11.4 Setting the date/time During power up of the balance, press the C key and hold it pressed until the revision number of the balance is displayed.
Spilled weighing goods must be removed immediately. 12.2 Service, maintenance 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.
13 Instant help In case of an error in the program process, briefly turn off the balance and disconnect from power supply. The weighing process must then be restarted from the beginning. Fault Possible cause The displayed weight does not glow. •...
Need help?
Do you have a question about the RPB 3K1NM and is the answer not in the manual?
Questions and answers