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Summary of Contents for Martindale Electric MM65
- Page 1 MM65 MULTIMETER Instruction Manual...
- Page 2 GENERAL SAFETY INFORMATION: Always read before proceeding. Warning 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.
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Page 3: Table Of Contents
Thank you for buying one of our products. For safety and full understanding of its benefits please read this manual before use. Technical support is available from 01923 441717 and support@martindale-electric.co.uk. CONTENTS Introduction Inspection Description Accessories Battery Installation Product Specific Safety Information Precautions Operation General... -
Page 4: Introduction
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. 1.2 Description The MM65 is a 3 digit multimeter with the following functions: ¾ AC & DC voltage to 600V AC &... -
Page 5: Product Specific Safety Information
2. PRODUCT SPECIFIC SAFETY INFORMATION Measurement Category III (CAT III) is applicable to test and measuring equipment connected to the distribution part of the building’s low-voltage MAINS installation. Measurement Category IV (CAT IV) is applicable to test and measuring equipment connected at the source of the building’s low- voltage MAINS installation. - Page 6 Warning Always test this unit on an appropriate proving device or known voltage source before and after using it to determine if a hazardous voltage exists in a circuit to be tested. Warning When using test leads, always keep your fingers behind the finger guard on the test lead probe.
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Page 7: Operation
3. OPERATION 3.1 General If the multimeter does not measure current on the μA/mA ranges, the internal fuse (F1) may have blown (see section 4.2 Fuse Replacement). If the multimeter does not measure current on the 10A range the internal fuse (F2) may have blown (see section 4.2 Fuse Replacement). -
Page 8: Description Of Press Buttons
Indicates DC measurement Indicates AC measurement 3.6 Auto Power Off The MM65 will auto power off after approximately 10 minutes. Pressing any button will turn the MM65 back on. To deactivate the auto power off function press and hold the RANGE button while simultaneously turning the MM65 function switch from OFF to any position. -
Page 9: Data Hold
To manually select a range press the RANGE button to hold the present range, then continue to press the RANGE button until the required range is selected. The sequence is lowest range to highest then directly back to lowest. To return to autoranging hold the RANGE button for 2 seconds. 3.8 Data Hold To hold a displayed value press the HOLD button. -
Page 10: Resistance Measurement
Taking all necessary safety precautions connect the test leads in series with the circuit being measured and read the measured current from the display. 3.11 Resistance Measurement Connect the black test lead to the COM terminal and the red test lead to the VΩ... - Page 11 Taking all necessary safety precautions connect the test leads to the diode being tested. If the diode is good a forward bias will give a display reading of around 0.6 V (silicon diode) and a reverse bias will give a display of OL.
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Page 12: Maintenance
4. MAINTENANCE 4.1 Battery Replacement To avoid shock or injury, disconnect the multimeter from any external circuits or components and remove the test leads before proceeding. Replace the battery by removing the two screws from the battery cover and lifting the battery cover. Fit a new 9V, NEDA 1604, JIS006P, IEC 6F22 battery and replace the battery cover and screws. -
Page 13: Calibration
4.6 Repair & Service There are no user serviceable parts in this unit other than those that may be described in section 3. Return to Martindale Electric if faulty. Our service department will quote promptly to repair any fault that occurs outside the guarantee period. -
Page 14: Warranty
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. - Page 15 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.
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Page 16: Specifications
Specification MM65 Digital Multimeter ELECTRICAL All specified accuracies are at 23°C ± 5°C, <75% RH for 1 year Temperature coefficient: 0.1 x (specified accuracy) per °C (0°C to 18°C, 28°C to 50°C) DC VOLTAGE Ranges: 340mV, 3.4V, 34V, 340 V, 600V Resolution: 0.1mV, 0.001V, 0.01V, 0.1V, 1V... - Page 17 Specification MM65 Digital Multimeter AC CURRENT (50Hz to 500Hz) Ranges: 340μA, 3400μA, 34mA, 340mA, 10A * Resolution: 0.1μA, 1μA, 0.01mA, 0.1mA, 0.01A Accuracy: 340μA to 340mA ranges ± (2.5% of rdg + 5 dgts) 10A range ± (3.5 % of rdg + 5 dgts) *...
- Page 18 Specification MM65 Digital Multimeter GENERAL Display: 3¾ digit liquid crystal display with a maximum reading of 3400 Analog bargraph: 34 segments with measurement 12 times per second Polarity: Automatic, positive implied, negative polarity indication Overrange: (OL) or (-OL) is displayed Zero: Automatic.
- Page 19 USER NOTES...
- Page 20 Martindale Electric Company Limited Metrohm House, Imperial Way, Imperial Way, Watford WD24 4PP, UK Tel: +44(0)1923 441717 Fax: +44 (0)1923 446900 E-mail: sales@martindale-electric.co.uk Website: www.martindale-electric.co.uk © 2012 Martindale Electric Company Ltd. Registered in England No. 3387451. E. & O.E. Document V2 LITMM65...
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