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ENGLISH

INSTRUCTION MANUAL

MICRO JUNIOR 2

Micro Junior 2

RAYTECH AG

, OBEREBENESTRASSE 11, CH-5620 BREMGARTEN, SWITZERLAND

Summary of Contents for Micro Junior 2

Page 1: ...ENGLISH INSTRUCTION MANUAL MICRO JUNIOR 2 Micro Junior 2 RAYTECH AG OBEREBENESTRASSE 11 CH 5620 BREMGARTEN SWITZERLAND...

Page 2: ...11 5 3 Cont Continuous 11 5 4 Auto Automatic 11 5 5 Cross Current measurements Forward Reverse 12 6 Introduction 13 6 1 Ease of use 13 6 2 Impressive accuracy 13 6 3 Unique measuring technique 13 6 4...

Page 3: ...4 Printer 27 11 3 5 Temperature Correction 28 11 3 6 Length Correction specific Resistance 30 12 Testing Screen Description 31 12 1 Range Selection 31 12 2 Testing 32 12 2 1 Single 32 12 2 2 Cont Con...

Page 4: ...and shall not be liable for material damage or financial loss due to the loss of production loss of data loss of information data or interest regardless of their legal basis Warranty claim rights on r...

Page 5: ...nd Raytech GmbH Switzerland and including those regarding the legal validity of this contract and this arbitration clause shall be settled out of court and shall be referred to arbitration for final d...

Page 6: ...of all high voltage apparatus while conducting tests and measurements 2 2 Keep away from live circuits Operating personnel must not remove instrument covers Component replacement and internal repairs...

Page 7: ...vel when a variable AC power source is connected 2 6 Ground the Instrument To minimize shock hazard the Ground Terminal on the instrument must be properly connected to an Earth grounded point In many...

Page 8: ...x3m Test Lead Potential 2x3m Cable Bag Power Cord Charger User Manual If any of the above items are missing or damaged contact your local representative or Raytech AG Switzerland immediately 3 1 Optio...

Page 9: ...4 8V 6Ah User Selectable 10 1 0 1 0 01 0 001 Ampere LCD Graphic with back lighting Sealed anodized with a multi actuation rotary knob 9 Pin RS232 serial Inernal panel mount printer Internally stores u...

Page 10: ...make the initial calibration check Then the Initial Range selection screen will appear Select the current or resistance range expected to be measured with the rotary knob Selecting the cross current...

Page 11: ...utomatic mode will measure and store automatically numerous single sequential tests The instrument will continuously measure multiple tests until the operator selects and presses Stop For this type of...

Page 12: ...in Ranges X10 A and X1 A When the test is initiated the current flow is first positive DC sourced then automatically switches current flow to negative DC sourced The potential leads are not reversed M...

Page 13: ...the system will reverse the current flow and display very accurate results to 0 1 The system allows long term measurements at 10 A without frequent recharging 6 4 Operation The Micro Junior 2 applies...

Page 14: ...onse time less than 2 seconds Single push button operation Automatic shut off to extend battery life Lithium Battery power source Runs for more than 5 hours continuous at 10 A Complete automatic calib...

Page 15: ...to 250 VAC 50 60 Hz automatic ranging 8 2 1 Precautions This charger is for indoor use only Do not expose to water or dust To avoid overheating the charger must not be covered while in use This charge...

Page 16: ...in LED Indicator Charge Status Bulk Charge Orange LED Battery 95 Capacity The charger is in constant current mode Charge current is maximum Balancing Charge Yellow LED Battery 95 Capacity The charger...

Page 17: ...oes not remain on the winding Lethal currents may remain and might cause personal injury and damage to the instrument Specialized test sets with higher potential compliance voltages and current should...

Page 18: ...ON position applies power to the test set Turning the switch to the OFF position turns off the instrument The switch defaults to the Automatic off position and will automatically turn off after being...

Page 19: ...s Turn clockwise to release Ground Earth Ground Terminal Connect the earth cable here External This port is used for an external connection to the 50A 50V Transformer Winding Resistance Power Supply O...

Page 20: ...itive Current Connection P Positive Potential Connection P Negative Potential Connection I Negative Current Connection Interface Serial RS232 Computer and External Printer Connection 90081 2 11 Micro...

Page 21: ...ount printer allows the user to print out stored results or current results The single button on the printer is for Form Feed To tear paper pull paper towards the front of the instrument against the s...

Page 22: ...ive Show Menu Archive Erase Menu Setup Highlighted Setup Menu Setup Clock Setup Interval Test Setup Contrast Setup Printer 10A Range Test X 10A Range Reverse Test 10A Range Auto Test Further details o...

Page 23: ...to set up and operate With a few key strokes and selections on the test screen measurements can be started See chapter 5 Quick Start Guide on page 10 10 1 Menu Structure Micro Junior 2 menu structure...

Page 24: ...e kept In the Range selection Screen position the pointer with the rotary knob to highlight Archive Press the rotary knob to view the Archive memory locations and this screen will appear 11 2 1 Show T...

Page 25: ...n the pointer with the rotary knob to highlight Stop and press the rotary knob to cease this action 11 3 Setup Menu Screens Includes selections for Printer options LCD Contrast Interval Test mode Cloc...

Page 26: ...timed intervals that are preset by the operator The test set measures continuously in this mode Press the rotary knob while Inter is highlighted to preselect a desired measurement setup You are now ab...

Page 27: ...etting is confirmed 11 3 4 Printer This screen allows the user to select either the Internal panel mount Printer or external Serial Printer To change Printer setup press the rotary knob while Printer...

Page 28: ...d Material is reached press OK with the rotary knob The following screen will appear Use the rotary knob turn clockwise or counter clockwise to set the desired Ref Temperature TRef Once the desired re...

Page 29: ...emperature at which resistance was is measured Tk 234 5 for copper 225 0 for aluminium aluminium may be as high as 240 Alternative Correction with a25 to calculate Tk with the formula Tk 1 25 25 When...

Page 30: ...with the rotary knob NoCorr m 100m km ft 100ft 1000ft The following screen will appear Use the rotary knob turn clockwise or counter clockwise to set the desired Test Length The minimum Test Length is...

Page 31: ...then pressing the rotary knob to begin that sequence The following Ranges can be selected The resistance Ranges are a recommendations Current Range Resistance Range 10 A F R 1 40 m 10 A 1 m 40 m 1 A...

Page 32: ...hin a few seconds The user has the option to GO Start another test Store allows to save a reading into a Memory location Archive Print allows to go to the print screen Mode Select another test mode Se...

Page 33: ...to go to the Range Selection screen 12 2 3 Auto Selection of Auto allows a number of tests to be made then automatically The system automatically detects when contact is made to the device under test...

Page 34: ...st set also measures continuously in this mode In this mode the instrument will continuously measure multiple tests until the operator selects and presses Stop or until the number of tests that were p...

Page 35: ...ing in areas with high background interference This mode also offers the highest degree of resolution When the X10A range is selected this screen will appear Selection of Single starts a Forward Rever...

Page 36: ...s stop with the rotary knob The test will stop 12 4 Print The Print mode is available after each test sequence is run Selection of Print allows the user to print the test results that are displayed on...

Page 37: ...umbered memory locations are allocated sequentially The saved data consists of time stamp and date of test Current Range and Resistance value resultant This screen will appear In this example the data...

Page 38: ...F R 0 0 1 0 1 Rdg 1 5 Digits or 0 1 1 A 0 000 m 1 0 1 Rdg 10 5 Digits or 0 001 m 0 1 A 0 00 m 10 0 1 Rdg 0 1 m 5 Digits or 0 01 m 10 mA 0 0 m 400 0 1 Rdg 1 m 5 Digits or 0 1 m 1 mA 0 0 40 k 0 1 Rdg 0...

Page 39: ...Appendix MICRO JUNIOR 2 90081 90998 1 00 Raytech Vorlage Manual ott2 11 Micro Junior 2 Micro Junior 2 Page 39 of 44...

Page 40: ...rent cannot be Turned on 41 A 4 Warning Rx too high or is dispayed 41 A 5 The display Blacklight goes out frequently 41 A 6 The test set Turns off more frequently 42 A 7 The test set displays but curr...

Page 41: ...st Current cannot be Turned on 1 Does the unit have an external safety switch incorporated Is it properly operating 2 Is the system connected in an area with excessive interference A 4 Warning Rx too...

Page 42: ...the selected range Over Range A 8 Erratic or erroneous readings Possible causes 1 Test lead damaged or not connected 2 Poor test lead connection 3 Test set attached to a Live load or high interferenc...

Page 43: ...e web site www raytech ch This firmware is downloaded to a Windows based computer and then can be used to upgrade the Flash EPROM in the Micro Junior 2 via the RS232 link For further details or assist...

Page 44: ...620 Bremgarten Phone 41 56 648 6010 Fax 41 56 648 6011 Mail welcome raytech ch Web www raytech ch Raytech AG Oberenbenestrasse 11 5620 Bremgarten Phone 41 56 648 6010 Fax 41 56 648 6011 Mail welcome r...

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