T887 Manual - HellermannTyton
Contents
1. Phase Presence Indication the voltage required for the LCD L L L indicators to come on From 40Vac to 700Vac Frequency Range From 15Hz to 400Hz Determination of the Phases Rotary Field Direction Direction Indication by LCD Display the voltage required to have the LCD Direction Arrows to indicates and the L L L or L L L indicators to show From 40 to 700Vac Frequency Range From 15Hz to 400Hz Protection Overload isena 700V between all terminals Over Voltage Class III 700V towards ground 2x 3mA 6 x 31mm HBC 600V Fast Blow General Current Consumption Max 3 mA MECHANICAL SIZ whieh eee eee 72 x 150 x 33 8 mm Maternal Polycarbonate ABS Weight less carrying case 158 59 Display Liquid Crystal Display ENVIRONMENTAL Operating temperature Range 1 to 55 C not in full sun Storage Temperature 20 C to 70 C CLEANING Clean the instrument case with an anti static cleaner and wipe with dry cloth Pouch Vinyl 14 LIMITED WARRANTY We warrant the product manufactured by us to be free from defective material or factory workmanship and agree to repair or replace this product which under normal use and service disclose the defect to be the fault of our manufacturing with no charge for parts and service If we are unable2. regulate a 5V for the circuitry This is why you need a minimum of 40Vac before this instrument is operational The first circuit is the 3 Phase presence indicator which is shown by the individual Phase Presence LCD Indicators and the second circuit is the three phase sequence indicator by LCD indication 3 Phase Presence Indication circuit The voltage measured between phases is utilized to trigger the corresponding Phase Presence LCD indication Once that voltage is high enough it s presence is shown on the LCD Indicator 3 Phase sequence indicator circuit The sequence of these measured voltages are feed into a digital circuit which compare which phase sequence to indicate and indicate it on the LCD An oscillator clock the LCD to increase it s life duration 11 PREPARATION FOR USE Fuses In doubt check the fuses using a ohm meter Please note that this instrument will not indicate anything should the fuses be blown Test Leads Check the test leads for defects or cracks Replace if cracked or damaged Only replace with the same type Cleaning Use a damp cloth to clean the case Do not use chemicals FUSES REPLACEMENT Unscrew the back cover and replace the faulty fuse s with the same type then screw the cover back into place correctly Once you open the case you will see the fuse as on the photo below FUSE 1 SPECIFICATIONS ELECTRICAL Determination of the Phase Presence Nominal Voltage for
3. to repair or replace this product we will make a full refund of the purchase price Consult the user s manual for proper instruction regarding use of this instrument Our obligation under this warranty is limited to repairing replacing or making refund of this test equipment which proves to be defective within twenty four months from the date of original purchase This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way so as in our sole judgement to injure their stability or reliability or which have been subject to misuse abuse misapplication negligence or accident or which have had the serial numbers altered defaced or removed Accessories not of our manufacture used with this product are not covered by this warranty All warranties implied by law are hereby limited to a period of twenty four months and the provisions of the warranty are expressly in lieu of any other warranties expressed or implied 15 The purchaser agrees to assume all liability for any damages or bodily injury which may result from the use or misuse of the product by the purchaser or it s user his employees or others and the remedies provided for in this warranty are expressly in lieu of any other liability we may have including incidental or consequential damages We reserve the right to discontinue models at any time or change specification price or design without noti
4. L1L3 This instrument represents the quickest and Easiest way for verifying the presence and rotation of a 3 Phase System You can before connecting Supply to Load and from the supply side Quickly and easily verify the presence of the three Phases on a 3 Phases Power System The LCD will indicate the presence of each respective Phase with it s Phase presence indicators 60 CO OQ L1 Missing L2 Missing L3 Missing No Rotation No Rotation No Rotation Indication Indication Indication 6 You can confirm the Phase Rotation on a Powered 3 Phase System eee U SE 3 Phases Presence OK 3 Phases Presence OK Rotating Right L1L2L3 Rotating LEFT L2L1L3 The corresponding Arrows and L L and L will clearly indicate the rotation of the phases BRIEF PRODUCT DESCRIPTION This 3 Phases Presence and Rotation Indicator has 3 test leads which connects to the 4 mm female sockets on the tester on the one side These Test leads are color coded Li Red which connects to L1 on the tester L2 Yellow which connects to L2 on the tester L3 Blue which connects to L3 on the tester On the other side of the test leads are the probes also color coded The tester has three individuals LCD Phase presence Indicators LCD for Individual Phase Presence Indication L1 6 LCD for Individual Phase Presence Indication L2 LCD for Individual Phas
5. T887 Hellermanniliyion PHASE ROTATION INDICATOR INSTRUCTION MANUAL TABLE OF CONTENTS Description Page Safety PRONG oss ete tenes eee ii i 1 Safety CMC SSE 3 General Descnptton 4 Operating Instruchons 6 Using the appliance simulation board 7 SDSCIICAUONS Liosas ia ieina ias iais 8 Replacing the 9 Front Label and Back Instruction Label 10 Typical appliance 11 Working Principle of the Instrument 12 Application 13 14 Notes Blank Page 15 Limited VV AI Ai ssteissi 16 SAFETY RULES CAUTION AN RISK OF ELECTRIC SHOCK This tester has been designed with your safety in mind However no design can completely protect against incorrect use Electrical circuits can be dangerous and or lethal when lack of caution or poor safety practices are used Do not carry out field measurements on either the power system grounding during periods of forecast lightning activity in areas that encompass the station being measured or of the power network connected to the station being measured In the event that lightning occurs stop all testing and isolate any temporarily installed test spikes Preparations for testing of power system grounding can leave personnel vulnerable to exposure caused by faults at or fed from the system under test transferred potentials from remote test grou
6. ce and without incurring any obligation 16
7. e Presence Indication L3 IL Please note that any of these LCD Indicators will only start to light up if more than 80Vac is present between any 2 phases KR LoL X The LCD to display clockwise rotary direction NG The LCD to display counter ee f So L L L Ly OPERATING INSTRUCTIONS Determination of the rotary field direction and phase presence On a 3 Phase System the sequence of the 3 phases determine the rotation of a 3 phase motor connected to that system The correct 3 Phase Sequence L L L results in a clockwise rotation of the connected motor Connect the Test Leads to the sockets of the Instrument respecting the correct color Red to L Yellow to L Blue to Ls Clip the test probes to the Powered three mains phase Ly When connecting to a voltage superior to 40V the corresponding LCD Indicator will show indicating the presence of the voltage on it s corresponding lead L L L LCD If the LCD Right arrows L L L is illuminated clockwise rotary field is present If the LCD Left arrows L L L is illuminated a counter clockwise rotary field is present FRONT PANEL and LCD LAYOUT Phase Presence oe EN L lt lt A PRINCIPLE OF HOW IT WORK As this instrument takes it s power from the circuit under test it has a power supply circuit which derive it s power from the system That supply circuit
8. ed wiring connections or other Live parts of an electrical circuit If in doubt check the circuit first for voltage before touching it Do not use cracked of broken test leads THIS CHECKER SHOULD ONLY BE USED BY COMPETENT SUITABLY TRAINED PERSON REMEMBER 232 SAFETY IS NO ACCIDENT CAUTION RISK OF ELECTRIC SHOCK CAUTION READ THE MANUAL A 4 GENERAL DESCRIPTION This Test Instrument is a 3 Phases Presence and Rotation Indicator which display the results on a large high contrast Liquid Crystal Display It does not need any battery as it derives it s power from the system under test It can be utilized on a 3 Phase Powered System the supply side without having to worry about damage to the tester Furthermore it has internal fuses so non fused test leads can be utilized When utilized on a 3 Phase Powered System the instrument is then utilized as a 3 Phases Presence Indicator Phase Presence eege When utilized on a 3 Phase Powered System the instrument is also utilized as a 3 Phases Rotation Indicator When utilized on a 3 Phases Powered System this instrument is a rotary field indication instrument which display all three phases by showing up it s corresponding LCD Phase Presence Indicators L L and L 5 It display the rotation clockwise or anti clockwise on the eee eee w Cy 3 Phases Presence 3 Phases Presence Rotating Right L1L2L3 Rotating LEFT L2
9. nds and inadvertent line energisations While the probability of the occurrence of one of these events is low personnel safety will nevertheless be enhanced by the following When working near high tension systems rubber gloves and shoes should be worn Work on clean dry crushed rock or an insulating blanket Avoid bare hand to hand contact between the tester and extended test leads 1 When using the tester with test leads ensure that they are safe and properly authorized Disconnect the tester from any external circuit when checking or changing the Fuses CAUTION N READ THE MANUAL Follow the instructions in the Manual for every check Read and understand the general instructions before attempting to use this tester SAFETY CHECK Before using the tester check the condition of the test leads and the fuses This is done by using a prooving unit The test leads must be free of cracks or any damages and must be insulated as when they were new Fuse replacement is described later in this user s manual When changing the fuses by removing the cover to access the internal circuitry always disconnect the test leads When replacing the fuse use only the type specified HBC fuse and insert correctly into the fuse holder Always double check the lead connections before making measurements This instruments has 2 internal fuses For increased safety use fused test leads optional DON T TOUCH Don t touch expos
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