Clamp On Ammeter
Contents
1. 60 C Power SUPDIY osses 9 V Alkaline battery PP3 NEDA 1604 or IEC6LR61 Battery life 15 hours dependent duty cycle Displays 4000 count Ch racters rseeinie 10 mm high Mechanical LH41A Dimensions 184x 71x31 mm 7 2 x 2 8 x 1 2 in Max jaw Capacity 19 mm cable Max jaw opening 20 mm 78 in Weight 235 g 1 2 Lb OPERATING INSTRUCTIONS Refer to Fig 1 for the main operating features of the meter 3 1 Switch On Move the switch from the OFF HOLD position to either DC or AC to select the required mode of operation 3 2 Zero Adjustment When in DC mode the display zero may change due to thermal shifts and other environmental conditions An auto zero adjustment is provided Proceed as follows to perform the adjustment e Ensure that the instrument is away from the current carrying conductor and that the jaws are closed during the adjustment cycle e Select the DC position of the power switch e Use the auto zero button to zero the display if necessary The auto zero button can be used to null the effects of the earth s magnetic field on DC measurements 3 3 Current Measurement Select as required the DC or AC measurement option using the power switch If necessary adjust the DC display to read zero as described in section 3 2 Clamp the jaws of the instrument around the conductor ensuring a good contact between the closing faces of the jaws Observ2. This meter complies with the requirements of the above safety standard for 300V Cat III Pollution degree 2 Safety in its use is the responsibility of the operator who must be a suitably qualified or authorised person Users of this equipment and or their employees are reminded that Health and Safety Legislation require them to carry out valid risk assessments of all electrical work so as to identify potential sources of electrical danger and risk of electrical injury such as from inadvertent short circuits Do not use the instrument if any part of it appears to be damaged or if a malfunction of the instrument is suspected When using the instrument ensure that your fingers are behind the protective barrier see Fig 1 Clean the case periodically by wiping it with a damp cloth and detergent Do not use abrasive cleaners or solvents Do not immerse the instrument in liquids BATTERY REPLACEMENT SAFETY WARNING Before removing the battery cover make sure that the instrument is removed from any live electrical circuit When the Low Battery symbol is illuminated in the display the minimum operating battery voltage has been reached Refer to Fig 1 and use the following procedure to replace the battery Unclamp the meter from the conductor turn it off using the OFF Hold power switch Loosen the captive screw which secures the battery cover Lift the cover through 30 and pull it clear of the instrument body as shown in Fig
3. 267 7623 Tel 905 890 7600 Non Warranty Repairs and Replacement Europe European non warranty units can be replaced by your Amprobe Test Tools distributor for a nominal charge Please check the Where to Buy section on www amprobe com for a list of distributors near you European Correspondence Address Amprobe Test Tools Europe P O Box 1186 5602 BD Eindhoven The Netherlands Correspondence only no repair or replacement available from this address European customers please contact your distributor 4 International Electrical Symbols Caution Refer to this manual before using the meter Meter is protected by Reinforced or Double Insulation m El Complies with EU directives Indicates this equipment should for disposal be seperated as Waste Electrical and Electrical Equipment according to the EU directive 2002 96 EG 2 Indicates item is a Type A Current sensor and that 4 application around removal from HAZARDOUS LIVE conductors is permissible CONTENTS 1 2 2 2 3 3 3 3 3 3 4 INTRODUCTION 67552 5svssndvsnas sessssasnenenasasseknsnere SPECIFICATIONS b3s ssorcessissnanesesns vass edessdanendsenere 1 Electrical D ta u a dns sein 2 General Data a OPERATING INSTRUCTIONS 42422 ell SWICK ON asien 2 Zero Adjustment u nn 3 Current Measurement cccccceeeeeeeeeeeeeee A Data Hold se
4. AAAMPROBE LH41A Clamp On Ammeter User Manual Mode d emploi Bedienungshandbuch Manual d Uso Manual de uso e Anv ndarhandbok e e e e AAMPROBE LH41A Clamp On Ammeter Users Manual April 2007 Rev 2 2007 Amprobe Test Tools All rights reserved Printed in China Limited Warranty and Limitation of Liability Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase This warranty does not cover fuses disposable batteries or damage from accident neglect misuse alteration contamination or abnormal conditions of operation or handling Resellers are not authorized to extend any other warranty on Amprobe s behalf To obtain service during the warranty period return the product with proof of purchase to an authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor See Repair Section for details THIS WARRANTY IS YOUR ONLY REMEDY ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STAUTORY INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY ARE HEREBY DISCLAIMED MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM ANY CAUSE OR THEORY Since some states or countries do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages this limitation of liability may not apply to you Re
5. 1 The battery is then accessible Replace the battery and re fit the battery cover and fasten the screw Replacement with other than the specified type of battery will invalidate the warranty Fit only Type 9 V PP3 Alkaline MN1604
6. e and take measurements as required Positive output indicates that the current flow is in the direction shown by the arrow on the instrument 3 4 Data Hold To activate the data hold turn the power switch to the OFF HOLD position The data will be held on the display for approximately 10 seconds 3 5 Auto Power Off The meter will power down automatically after approximately 8 minutes of inactivity SAFETY This product conforms to the latest directives concerning safety and electromagnetic compatibility e European Low Voltage Directives 73 23 EEC and 93 68 EEC e European EMC Directives 89 336 EEC and 93 68 EEC Safety Standards BSEN61010 1 2001 General Requirements Safety requirements for electrical equipment for measurement control and laboratory use BSEN61010 2 032 2002 Particular requirements for hand held current clamps for electrical measurement and test EMC Standards RF Susceptibility EN50082 1 1992 3V m Residential Commercial and Light Industry RF Emissions EN50081 1 1992 Residential Commercial and Light Industry FCC Part 15 Class B This product is designed to be safe under the following conditions indoor use altitude up to 2000m temperature 0 C to 50 C maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 40 relative humidity at 50 C Use of the meter on uninsulated conductors is limited to 300V RMS or DC and frequencies below 1kHz
7. nazacssnavas sosanzacuaaper ceca sina 5 Auto Power Off SAFETY i vscnncccsaseccndsdea ch canedesaesvetuadedentecstun sey age BATTERY REPLACEMENT 2u4 4444 WARRANTY u essen OTHER PRODUCTS 22u4 24444 H nennen nenn INTRODUCTION The LH41A current clamp meter has been designed for reliable and accurate non intrusive measurement of DC and AC currents using advanced Hall Effect technology Measurement features include e Non intrusive AC and DC current measurement e 1mA resolution e Average responding RMS calibrated e Autoranging Autozeroing e Data Hold e Low battery indicator e Auto Power Off AUTO ZERO mim N OFF DC AC k soa HOLD E LH 4A al AAMPROBE li Fig 1 SPECIFICATIONS 2 1 Electrical Data All accuracies stated at 23 C 1 C LH41A Measuring Range 0 40 A DC or AC pk Autoranging uu 4A 40A Resolution 1mAin4A range 10 mA in 40 A range Accuracy Basic ACCUFAaCY v sssssssnssnsnnons 1 3 5 digits Temperature coefficient 0 05 of rdg C Frequency range DC in DC 40 Hz to 400 Hz in AC Overload capacity 150A Dielectric strength 3 7 kV RMS 50 Hz 60s EN61010 2 032 Cat III 300V Pollution Degree 2 2 2 General Data Operating temperature O C to 50 C Storage temperature with Battery remOoved 20 C to
8. pair All test tools returned for warranty or non warranty repair or for calibration should be accompanied by the following your name company s name address telephone number and proof of purchase Additionally please include a brief description of the problem or the service requested and include the test leads with the meter Non warranty repair or replacement charges should be remitted in the form of a check a money order credit card with expiration date or a purchase order made payable to Amprobe Test Tools In Warranty Repairs and Replacement All Countries Please read the warranty statement and check your battery before requesting repair During the warranty period any defective test tool can be returned to your Amprobe Test Tools distributor for an exchange for the same or like product Please check the Where to Buy section on www amprobe com for a list of distributors near you Additionally in the United States and Canada In Warranty repair and replacement units can also be sent to a Amprobe Test Tools Service Center see address below Non Warranty Repairs and Replacement US and Canada Non warranty repairs in the United States and Canada should be sent to a Amprobe Test Tools Service Center Call Amprobe Test Tools or inquire at your point of purchase for current repair and replacement rates In USA In Canada Amprobe Test Tools Amprobe Test Tools Everett WA 98203 Mississauga ON L4Z 1X9 Tel 877 AMPROBE
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