Operating instructions LNT 250/150/D
Contents
1. the carrier immediately rail post haulage company etc If damage is only discovered when the parts are unpacked leave the goods in the condition in which they were when the damage was discovered Make a complaint immediately to the postal service rail freight or road haulage company and ask for the damage to be assessed The assessment must take place e Within 24 hours for the postal service e Within 7 days for rail freight e Within 4 days in the case of haulage companies which carry out final delivery of rail freight e Within 6 days in the case of vehicle transport carried out by freight carriers or haulage contractors Please retain all the packaging material in order to record the damage and have the following at hand 1 Transportation documents such as waybill copy of express freight card or similar 2 Certificate of damage of the transportation company As the consignee you are entitled to compensation for damage which occurs during transportation therefore you should make the application yourself R Guarantee card e We offer the legally specified guarantee on the device supplied for us The official starting date for the guarantee period is the date of invoice However the guarantee does not apply in case of accident negligence improper use non observance of the operating conditions non observance of the operating test and service instructions or if repairs are made without the authorisation of Burger El2. Operating instructions LNT 250 150 D Equipment designation LNT 250 150 D Unit number 2104104 Procedure number 2343 Date 17 04 2004 Wolfgang Burger Degerschlachterstr 4 72768 Reutlingen Telefon 07121 96 86 73 Telefax 07121 96 86 74 E mail buerger electronic t online de Internet http www buerger electronic de Summary First page Side 1 Summary Side 2 Catalog side Side 3 Equipment illustration with legend of the control elements Side 4 Operating instructions Side 5 Safty regulation Side 6 Guarantee card Side 7 Declaration of Conformity Side 8 POWER SUPPLY LNT 250 150 D R POWER SUPPLY LNT 250 SHORT DESCRIPTION This 250 Watt laboratory power pack Output is by means of laboratory is designed in the form of a switched safety sockets Voltage and current mode regulator The secondary filter can be adjusted continuously ensures very low interference between 0 final value voltage MERKMALE Permanently short circuit proof Low residual ripple Power output max 250W Low residual ripple Thermal protective circuit Can be switched in parallel High efficiency Technical data Input Input voltage Overvoltage protection Network failure time Starting current Soft start Output Maximum output Continuous output Output voltage Output current Residual ripple System deviation Overvoltage protection Short circuit current Current li
3. ectronic or if the device is used in a manner which is not approved by Burger Electronic Burger Electronic shall not be liable for indirect damage and reserves the right to decide on the suitability of rework or exchange of the device Please retain the invoice and guarantee card If any defects occur before or after the end of the guarantee period please send the device to us e Send devices in suitable packaging in the case of heavy devices please send in double packaging e Enclose the invoice and a copy of the delivery note e Enclose the guarantee card completely filled in e Please describe the defect precisely Guarantee card Device laboratory power pack Type LNT250 150 D Date of purchase Invoice No Name First name Street Postcode and location Telephone Description of defect Repair under guarantee Chargeable repair Repair up to above this amount please send an estimate
4. ket Black socket Rotary knob OT Qh S Operation in detail Red socket plus output Black socket minus output NO OBR WD Voltage 0 150V Current 0 1 6A On and off Voltage range Plus output Minus output Current Digitally measuring instrument for voltage 0 150V Digitally measuring instrument for current 0 1 6A Mains switch for switching device on and off Rotary knob for voltage voltage range 0 150V Rotary knob for current current range 0 1 6A Note output voltages over 50V can be dangerous for people The operating staff must be instructed accordingly Cooling and ventilation slots must not be covered BE URG R Operating instructions e Current and voltage regulation Voltage is kept constant up to the maximum current which is set This voltage value is adjustable with the voltage potentiometer If maximum current is reached the current is kept constant with the current potentiometer and depending on loading the output voltage is reduced Network supply The device is only designed for operation with 230V 10 alternating voltage 50 60Hz Other supply voltages are not implemented in this variant Cooling The cooling slits of the device may not be covered danger of overheating Connection Laboratory safety sockets are only safe if the corresponding connector is used If standard connectors 4mm are used extra care must be taken Sensor Option Sensors serve to com
5. miting Output voltage accuracy Short circuit duration Typ Order nos 0 15V 0 4A 0 30V 0 8A 0 60V 0 4A 0 120V 0 2A 0 250V 0 1A Technical subject to change No adhesion for misprint Wolfgang Burger Degerschlachterstr 4 72768 Reutlingen 230V AC VDR 275V gt 20 ms 12A existing 250 W 200 W 0 100 adjustable see table lt 1 1 VDR see table 0 100 adjustable 0 5 during nominal input voltage Permanent LNT250 15 LNT250 30 LNT250 60 LNT250 120 LNT250 250 General information Protective device Storage temperature range Operating temperature range Load reduction Weight Dimensions Connection Regulations Protective class Radio interference class Typical efficiency Overvoltage protection 30 C 85 C 20 C 50 C ab 40 C 2 5 K ca 4 75kg 42TE 3HE T2 Protective contact plug 230V safety laboratory sockets EN60950 EN61000 3 2 Il Klasse B EN55022 ca 80 90 Options Order no Suffix Analogue measuring instrument A Digital instruments Sensor Many course potentiometer Interface analogue 0 10V DC B RGER Telefon 07121 96 86 73 Telefax 07121 96 86 74 E mail buerger electronic t online de Internet http www buerger electronic de D IF N IS POWER SUPPLY LNT 250 150 D BURGZR Designation Assembly Function Digitally measuring instrument Digitally measuring instrument Switch Drehknopf Red soc
6. pensate for external voltage drops in the power supply This occurs in a linear fashion up to 0 5V per power line and limited between 0 5 1V partial compensation Sensors are protected for a short time against load peaks However external users should not be supplied with current via the sensors on any account Live parts can be revealed if covers are opened or parts removed except when it is possible to do this manually Connector components can also be live If it is necessary to open the device for adjustment purposes or for maintenance or repairs the device must be disconnected from all power sources If following this adjustment maintenance or repair have to be carried out when the device is open and live the work may only be carried out by a specialist who is aware of the risks involved It must be ensured that only fuses of the specified type and rating are used as replacements Only original spare parts may be used If it can be assumed that it is no longer possible to operate the device without danger it must be decommissioned and secured against unauthorised or unintentional use Please contact Burger Electronic if it is necessary to make a repair In case of transportation damage please note Check the consignment immediately for damage and completeness Make sure that no parts remain in the packaging and are lost as a consequence Have any damage to the goods or packaging confirmed on the waybill or delivery note by
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