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Summary of Contents for Martindale Electric MM64
- Page 1 MM64 MULTIMETER nstructIon anual...
- 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
If there is any damage then consult your distributor immediately. 1.2 Description The MM64 is a 3½ digit multimeter with the following functions: AC & DC voltage to 600V AC & DC current to 200mA Resistance to 20M Ω... -
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 the internal fuse (F1) may have blown (see section 4.2 Fuse Replacement). If the multimeter does not measure capacitance the internal fuse (F2) may have blown (see section 4.2 Fuse Replacement). If the magnitude of a parameter to be measured is unknown, but known to be within the maximum safe limits of the multimeter, then manually set the range to maximum. -
Page 8: Description Of Lcd Symbols
3.5 Description of LCD Symbols Maximum indication is selected Minimum indication is selected Unit of frequency measurement being displayed Indicates battery is low 3.6 Max/Min To select the Max/Min function press the Max/Min button. Alternate between displaying the maximum and minimum measured values by pressing the Max/Min button. -
Page 9: Resistance Measurement
lead to the mA terminal. Set the rotary switch to either AC A or DC A and the required range. Taking all necessary safety precautions connect the test leads in series with the circuit being measured and read the measured current from the display. -
Page 10: Frequency Measurement
3.12 Frequency Measurement Connect the black test lead to the COM terminal and the red test lead to the VΩ terminal. Set the rotary switch to 40kHz. Taking all necessary safety precautions connect the test leads to the circuit being measured and read the measured frequency from the display. -
Page 11: Diode Testing
Taking all necessary safety precautions connect the test leads to the circuit being tested. The buzzer will sound if the resistance is <100Ω. 3.16 Diode Testing If the diode to be tested is in circuit, be sure the circuit power is switched off. -
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 MM64 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: 200mV, 2000mV, 20V, 200V, 600V Resolution: 200mV, 2000mV, 20V, 200V, 600V Accuracy: ±... - Page 17 Specification MM64 Digital Multimeter AC CURRENT (50Hz to 500 Hz) Ranges: 200μA, 20mA, 200mA Resolution: 0.1μA, 0.01mA, 0.1mA Accuracy: ± (1.5% of rdg + 4 dgts) Input protection: 0.25A/500V fast blow ceramic fuse RESISTANCE Ranges: 200Ω, 2kΩ, 200kΩ, 20MΩ Resolution: 0.1Ω, 0.001kΩ, 0.1kΩ, 0.01MΩ...
- Page 18 Specification MM64 Digital Multimeter TEMPERATURE Sensor type: type K thermocouple Resolution Range Accuracy -35 °C to 0 °C ± (3.0 % rdg + 3 °C) 200 °C 0.1 °C 0 °C to 200 °C ± (1.0 % rdg + 1 °C) 200 °C to 750 °C ±...
- Page 19 Specification MM64 Digital Multimeter GENERAL Display: 3½ digit liquid crystal display with a maximum reading of 1999 Polarity: automatic, positive implied, negative polarity indication Overrange: (OL) or (-OL) is displayed Zero: Automatic Low battery indication: symbol is displayed when the battery voltage drops below the operating level Measurement rate: 2.5 times per second, nominal...
- 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 LITMM64...
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