Manual - Martindale Electric
Contents
1. 4 MAINTENANCE 4 1 Battery Replacement To gain access to the battery compartment press down on the square recess and pull back the battery compartment end cap 7 Fit 2 new 1 5V AAA alkaline batteries IEC LROS NEDA 24A observing correct polarity Replace the battery compartment end cap Note Do not mix old and new batteries Square recess 4 2 Cleaning Warning To reduce the risk of surface leakage this instrument must be kept in a clean condition If contamination is found clean with a damp soft cloth and if necessary a mild detergent or alcohol Do not use abrasives abrasive solvents or detergents which can cause damage to the unit If a mild detergent is used the unit should subsequently be thoroughly cleaned with a water dampened soft cloth After cleaning dry and allow to remain in a dry environment for 2 hours before use 4 3 Repair and Service There are no user serviceable parts in this unit Return to Martindale Electric if faulty Our service department will quote promptly to repair any fault that occurs outside the guarantee period Before the unit is returned please ensure that you have checked the unit and batteries 4 4 Storage Conditions The instrument should be kept in warm dry conditions away from direct sources of heat or sunlight and in such a manner as to preserve the working life of the unit It is strongly advised that the unit is not kept in a tool box where other tools may2. be guaranteed Refer to Section 4 1 Battery Replacement 3 4 Torch To turn on the torch 2 press and hold the torch button 6 3 5 Proving Check Before each use the voltage tester should be examined for cracks or any other damage If there is any doubt the voltage tester should not be used Before and after use verify the voltage tester is functioning correctly using a known good AC voltage source The AC voltage source must be within the specified range of the voltage tester When the test tip 1 is held in close proximity to the voltage source the red LED must illuminate and the buzzer must sound as in table 1 for the selected voltage sensitivity range setting Table 1 Voltage sensitivity Red LED range 12V to 1000V Flashing Do not use the voltage tester if it does not function correctly during proving A Warning If the voltage source exceeds the specified limits of the voltage tester the voltage tester may be damaged and the operator may be exposed to a shock hazard Always check the voltage magnitude of the voltage source before proceeding with a proving check 3 6 Testing Considerations From some directions the neutral and earth conductors in cables will shield the live so it is important that a cable is probed from all directions When testing for the presence of voltage in multi core cables always run the probe tip along a short length of cable so as to overcome the shielding effect of th
3. Digital Multimeters Labels Microwave Leakage Detectors Motor Maintenance Equipment Multifunction Testers Non trip Loop Testers Pat Testers amp Accessories Phase Rotation Testers Proving Units Socket Testers Thermometers amp Probes Test Leads Voltage Indicators Specialist Metrohm Testers 4 amp 5kV Specialist Drummond Testers MARTINDALE O ELECTRIC Martindale Electric Company Limited Metrohm House Penfold Trading Estate Imperial Way Watford WD24 4YY UK Tel 44 0 1923 441717 Fax 44 0 1923 446900 E mail sales martindale electric co uk Website www martindale electric co uk 2014 Martindale Electric Company Ltd Registered in England No 3387451 E amp O E LITVT4 Document Rev2
4. an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any part of any provision of this warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability of any other provision or other part of that provision Nothing in this statement reduces your statutory rights MARTINDALE Specification ELECTRIC VT4 Voltage Tester Electrical Maximum voltage 1000V AC rms Voltage sensitivity ranges 12 to 1000V AC rms 50 to 1000V AC rms default range Frequency range 50 to 400Hz Environmental Temperature amp Humidity Operating amp Storage 0 C to 40 C lt 80 R H Altitude up to 2000m Pollution degree 2 General Power 2 x 1 5V AAA alkaline batteries IEC LRO3 NEDA 24A Battery consumption 80mA approx Dimensions 155 L x 23 W x 25 D mm Weight 55g approx Includes 2 x 1 5V AAA batteries instructions Safety Conforms to BS EN61010 1 2010 CAT IV 1000 V Class II Double insulation IP rating IP64 to BSEN 60529 EMC Conforms to BS EN61326 1 Check out what else you can get from Martindale 17th Edition Testers Accessories Calibration Equipment Continuity Testers Electricians Kits Environmental Products Full Calibration amp Repair Service Fuse Finders Digital Clamp Meters
5. damage it 5 WARRANTY AND LIMITATION OF LIABILITY This Martindale product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is 2 years and begins on the date of receipt by the end user This warranty extends only to the original buyer or end user customer and does not apply to fuses disposable batteries test leads or to any product which in Martindale s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation handling or storage Martindale authorised resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Martindale Martindale s warranty obligation is limited at Martindale s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to Martindale within the warranty period This warranty is the buyer s sole and exclusive remedy and is in lieu of all other warranties expressed or implied including but not limited to any implied warranty of merchantability or fitness for a particular purpose Martindale shall not be liable for any special indirect incidental or consequential damages or losses including loss of data arising from any cause or theory Since some jurisdictions do not allow limitation of the term of
6. VT4 VOLTAGE ZN ALWAYS READ THESE INSTRUCTIONS TESTER BEFORE PROCEEDING Thank you for buying one of our products For I nstru cti 0 n safety and full understanding of its benefits please read this manual before use Technical M d i ul a support is available from 01923 441717 and support martindale electric co uk CONTENTS Safety Information Meaning of Symbols and Markings Precautions Introduction Inspection Description Accessories Battery Installation Operation VT4 Layout ON OFF and Voltage Sensitivity Range Button Low Battery Indication Torch Proving Check Testing Considerations Testing for the Presence of Voltage Maintenance Battery Replacement Cleaning Repair and Service Storage Conditions MARTI NDALE Warranty ELECTRIC Specifications 1 SAFETY INFORMATION A REMEMBER SAFETY IS NO ACCIDENT These instructions contain both information and warnings that are necessary for the safe operation and maintenance of this product It is recommended that you read the instructions carefully and ensure that the contents are fully understood Failure to understand and to comply with the warnings and instructions can result in serious injury damage or even death Particular attention should be paid to the Warnings Precautions and Technical Specifications Please keep these instructions for future reference Updated instructions and product information are available at www martindale electric co u
7. e natural twist in conductors A Be aware that if the presence of AC voltage is not indicated voltage could still be present The unit indicates active voltages in the presence of electrostatic fields If the field strength is low the unit may not indicate This could be due to factors such as Low mains voltage lt 12V AC Shielded wire cables Thickness and types of insulation Distance from the voltage source If testing at locations with high background noise levels always determine whether the buzzer is perceptible before relying solely on the buzzer indication 3 7 Testing for the Presence of Voltage Non contact voltage testers are not suitable to determine if a circuit is not hazardous live A double pole voltage test should always be used for that purpose Referring to section 3 2 power on the VT4 and set it to the required voltage sensitivity range The voltage tester must be gripped fully and firmly around the hand grip to obtain optimum and consistent sensitivity A loose grip during testing may reduce the voltage tester s sensitivity While taking all required safety precautions position the test tip 1 of the VT4 in close proximity to the cable UUT or location to be tested for voltage If a voltage is detected the red LED will illuminate and the buzzer will sound as in table 1 for the selected voltage sensitivity range setting Switch the tester off when not in use to conserve battery power
8. k 1 1 Meaning of Symbols and Markings Caution risk of danger amp refer to instructions Caution risk of electric shock Equipment protected by double or reinforced insulation Class Il CAT IV Measurement Category IV is applicable to test and measuring equipment connected at the source of the building s low voltage MAINS installation For further information on measurement categories visit www martindale electric co uk measurement_categories php C Equipment complies with relevant EU Directives End of life disposal of this equipment K should be in accordance with relevant E EU Directives 1 2 Precautions This product has been designed with your safety in mind but please pay attention to the following warnings and cautions before use A Warnings In order to avoid the danger of electrical shock it is important that proper safety measures are taken when working with voltages exceeding 30V AC rms 42V AC peak or 60V DC Where applicable other safety measures such as the use of protective gloves goggles etc should be employed The voltage tester must only be used by a skilled and competent person who is familiar with the relevant regulations the safety risks involved and the consequent normal safe working practices and under the conditions and for the purposes for which it has been constructed and specified Before each use the voltage tester should be examined for damage cracks cuts or scratches Do
9. nced digital filter technology for reliable indication Torch Auto power off Measurement category CAT IV 1000V Designed to meet BS EN 61010 1 IP64 rating to BS EN 60529 2 3 Accessories The VT4 comes with the following accessories 2x 1 5V Alkaline AAA batteries Instructions 2 4 Battery Installation Refer to Section 4 1 Battery Replacement for the battery installation instructions for the VT4 3 OPERATION 3 1 VT4 Layout Test tip for voltage test Torch LED illumination area Hand grip area On Off and voltage sensitivity range button Torch button Battery compartment end cap 3 2 ON OFF and Voltage Sensitivity Range Button Pressing the ON OFF button 5 for 1 second will turn on the VT4 The red LED in the LED illumination area 3 will flash at a rate of once a second to indicate the unit is activated The VT4 will default to the 50 to 1000V voltage sensitivity range To change the voltage sensitivity range to 12V to 1000V press the voltage sensitivity range button 5 for less than 1 second The red LED in the LED illumination area 3 will now double flash at a rate of once a second To power off the unit press the ON OFF button 5 for at least 2 seconds The flashing red LED will cease The unit will auto power off after 5 minutes 3 3 Low Battery Indication If the red LED illuminates continuously without the buzzer sounding the batteries require replacing as reliable indication can no longer
10. not use if damaged in any way Make sure the voltage tester is dry clean and free from dust grease and moisture while in use to avoid the danger from electric shock due to surface leakage Before and after each use the voltage tester must be proven using a suitable known good AC voltage source Do not use the voltage tester if it does not function correctly during proving Testing for a voltage that exceeds the specified limits of the voltage tester may damage the voltage tester and may expose the operator to a shock hazard Always check the voltage testers specified limits before use Do not use if the battery compartment end cap is not fitted Always keep your fingers behind the finger guard Do not use the voltage tester during rain or precipitation The voltage tester will not detect DC voltage A Cautions Avoid severe mechanical shock or vibration and extreme temperature To avoid corrosion from leaking batteries remove the batteries when the unit is not in use for an extended period 2 INTRODUCTION 2 1 Inspection Examine the shipping carton for any sign of damage Inspect the unit and any accessories for damage If there is any damage then consult your distributor immediately 2 2 Description The Martindale VT4 is a non contact voltage tester with the following features Contactless voltage testing between 12V and 1000V Manual voltage sensitivity range selection 12 1000V and 50 1000V Use of adva
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