User's Guide Model 382260 80W 3-in-1
Contents
1. ay 382260 V1 3 10 08 Stand Alone Operation 1 Set the Master Slave switch located on the back of the unit to the Master position 2 Without any load attached use the POWER button to switch on the power supply and the LED indicator will light There should not be any reading on the voltmeter and ammeter 3 Press the Output On Off button and its green LED will light up the voltmeter will display the previously set output voltage Use the voltage control knob to adjust the voltage to the desired level 4 Use the Output On Off button to turn off the output Note The output will automatically shut off when one of the other voltage current range selection buttons is pushed This is to prevent damage to a connected load if the voltage current values are set too high 5 Press and Hold the Preview button to display the previously set voltage and current limiting values With this button held down you can set the current limiting value without connecting to a load or shorting the output terminals Note The Output button must be in the Off position Setting the Upper Voltage Limit UVL Value The Upper Voltage Limit Value is an added protection for voltage sensitive loads When the output voltage exceeds the set UVL the output terminal will automatically shut off and the ALM LED will light Note Only one UVL value can be set for all three ranges 1 Press the UVL Voltage and insert a small screwdriver into the UVL2. Contact factory Check the Master amp Slave switch 17 correct position Use stand alone mode to check power supply separately without any connection to slave units Follow the procedure carefully and make sure there is only one Master unit Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy 382260 V1 3 10 08 ry Support line 781 890 7440 Technical Support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Rd Waltham MA 02451 Copyright 2007 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form airc ncern Extech 382260 Phone 01235 838 555 Email csavairconcern co uk Web www airconcern co uk
3. adjustment screw 2 Turn clockwise to increase the voltage limit and counter clockwise to decrease the UVL value Remote Sensing Operation When the output current is high or the load connection is long there is a voltage drop across the connecting cable This results in a difference between the voltage at the output terminal and load point By making an extra connection using the Remote Sensing Terminal to the load point the reading at the output terminal and load point is the same Caution Observe correct polarity and never short the Remote Sensing terminal 1 Connect the load to the power supply 2 Connect the load to the Remote Sensing Terminal Note Always disconnect the Remote Sensing terminal connections first 4 382260 V1 3 10 08 5 382260 V1 3 10 08 Specifications Display Display Accuracy Voltage Output DC Current Output DC Ripple and Noise Line Regulation Load Regulation Efficiency Power Factor Operating RH Altitude Installation Category Pollution degree Power Dual 4 digit LED 1 reading 15 counts 0 10 to 16 40V 0 10 to 27 60V 0 10 to 36 80 0 100 to 5 100A 0 100 to 3 100A 0 1 to 2 300A lt 30mVp p lt 4mV lt 10mA lt 20mV lt 10mA gt 75 gt 0 9 10 t0 80 RH 2000m CAT2 2 90 to 264VAC 47 to 63Hz Supply voltage fluctuation 10 of stated operating voltage Dimensions 13x5x2 330 x 127 x 53 5mm WxHxD Weight 4 2lbs 1 9 kg Warranty EXTECH INSTRUMENT
4. S CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied 6 382260 V1 3 10 08 Trouble Shooting PROBLEM INDICATIONS POSSIBLE CAUSES SUGGESTED SOLUTIONS Power supply not working No DC output power Voltage meter reading grossly inaccurate Ampere meter reading grossly inaccurate The
5. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Model 382260 80W 3 in 1 Switching DC Power Supply Pu mB sc O 20 oO Upper ww e Voltage VOLTAGE Limit OUTPUT 80W MAX Introduction Congratulations on your purchase of the Extech 80W 3 in 1 Switching DC Power Supply The Model 382260 has three output ranges that perform like 3 power supplies in one It can be used for many applications including bench testing field service hobby and telecommunication equipment use This power supply is shipped fully tested and calibrated and with proper use will provide years of reliable service Safety This manual contains important safety and operation instructions for correct use of the power supply Read through the manual and pay special attention to the markings and labels of this unit and equipment to be connected Pay special attention to these two types of notices used in this manual WARNING Failure to observe this warning may cause injury to persons and damage to power supply or connected equipment CAUTION Failure to observe this warning may result in damage to equipment and Improper functioning of the power supply WARNING 1 Do not use this power supply near water 2 Do not operate or touch this power supply with wet hands 3 Do not open the casing of the power supply when it is connected to ac mains 4 Refer all servicing to qualified service personnel only 5 Before replacing
6. activated auto cross over current limiting value is different from the preset cc value Panel display LED Indicators not on Voltage meter zero indication ALM 13 Alarm led on CC 12 led on Actual output voltage is grossly different from the meter read out In CV mode the actual current measured is grossly different from the Amp meter reading All indicators and display are normal only CC mode has the problem AC power input not connected AC input fuse blown Output on off button noton UVL 10 protection triggered OTP protection triggered Output short circuit Volt meter shows not the output voltage Possible misalignment in voltmeter calibration Possible misalignment in calibration For stand alone unit Master amp Slave Switch 17 in wrong position Slave Wrong setting or connection in Master amp Slave or set up procedure Calibration and Repair Services A Check AC power connection B Contact factory Check output LED 9 is on or not push 9 to on Check UVL set voltage by pushing 6 re set UVL to applicable limit Check vent holes at top and bottom is clear ambient temperature too high Check and undo short circuit of output connection Check the LED indicator of UVL on the top right hand side of the Volt meter if it lights up then the volt meter only shows the set UVL value Push 6 to go back to output voltage B Contact factory
7. the AC fuse find out and clear up the cause first 6 Replace the AC fuse with the same type and rating as the original fuse CAUTION 1 Use a grounded 3 pin AC source 2 This unit is for indoor use only 3 Do not operate or place this unit in a humid dusty in direct sunlight location or near any heat source 4 Before plugging into local AC mains check with the rating label at the back of the unit 5 Do not block any ventilation openings of the unit 6 This unit must be used within the specified rating regular excessive continuous loading may cause damage to the power supply 7 The gauge size of input power cable must be at least 0 75mmsq and the total length of power cable must not exceed 3m 8 Input Fuse Recommended T3AL250V 3A Time Lag 2 382260 V1 3 10 08 Power Supply Description 1 M9 Noanp won eee ete al ods eh i cel Pan BON 9D 17 18 19 20 21 Power On Off switch Output terminals UVL adjustment screw Current adjustment Voltage adjustment Upper Voltage Limit button Preview button Range selector Output On Off button UVL indicator Constant Voltage indicator Constant Current indicator Overvoltage or Temperature alarm Slave indicator LED Voltage Display LED Current Display Master Slave switch Master Slave control terminals Remote Sensing terminals Rear Output terminals AC power socket E
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