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Summary of Contents for Extech Instruments MA3010
- Page 1 USER GUIDE 3000A TRUE RMS AC Flexible Clamp Meters Model MA3010 and MA3018 800.561.8187 information@itm.com www. .com...
- Page 2 Introduction Thank you for choosing the Extech AC Flexible Clamp meter that can measures up to 3000A AC rms. The MA3018 is the 18” (45.7cm) clamp version and the MA3010 is the 10” (25.4cm) clamp version, otherwise both meters are the same. These devices are professional CAT IV 600V CAT III 1000V instruments that offer Auto Power OFF, Data Hold, and backlight features. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Features 3000A AC True RMS Current Measurements Auto Range 3000 count large scale backlit LCD display Convenient Flexible Clamp with locking mechanism 7.5mm (0.3”) coil diameter for measuring in tight spaces Data Hold Auto Power OFF Battery status icon and Battery status power on alert Long life battery power MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www. .com...
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Page 3: Safety Information
Safety Information To ensure the safe operation and service of the meter, follow these instructions closely. Failure to observe warnings can result in severe injury. WARNINGS WARNINGS identify hazardous conditions and actions that could cause BODILY HARM or DEATH. Individual protective equipment should be used if HAZARDOUS LIVE parts in the installation where measurements are to be carried out could be accessible. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. Verify the meter operation by measuring a known current. If in doubt, have the meter serviced. Do not apply more than the rated voltage/current as marked on the meter. To avoid false readings that can lead to electric shock and injury, replace battery as soon as the low battery indicator appears. Do not use the meter in or around explosive gas or vapor. Do not use a flexible current sensor if the inner copper wire of the flexible cord is visible. De‐energize the installation under test or wear suitable protective clothing when placing or removing the flexible current probe from a test setup. Do not apply/remove the flexible current probe to/from UNINSULATED HAZARDOUS LIVE conductors which may cause electric shock, electric burn, or arc flash. MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www. .com... - Page 4 CAUTIONS CAUTIONS identify conditions and actions that could cause DAMAGE to the meter or equipment under test. Do not expose the meter to extremes in temperature or high humidity. Safety Symbols that are typically marked on meters and instructions This symbol, adjacent to another symbol, indicates the user must refer to the manual for further information. Do not apply or remove clamp from HAZARDOUS LIVE conductors Equipment protected by double or reinforced insulation Battery symbol Conforms to EU directives Do not discard this product in household trash. AC measurement Earth ground PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY I Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in which measures are taken to limit the transient over‐voltages to an appropriate low level. Note – Examples include protected electronic circuits. OVERVOLTAGE CATEGORY II Equipment of OVERVOLTAGE CATEGORY II is energy‐consuming equipment to be supplied from the fixed installation. Note – Examples include household, office, and laboratory appliances. OVERVOLTAGE CATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations. Note – Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation. OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation. Note – Examples include electricity meters and primary over‐current protection equipment MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www.
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Page 5: Meter Description
Description Meter Description Flexible Current Clamp Power‐Hold button Battery Compartment Backlight button LCD display Clamp Lock mechanism Display Icons HOLD Data Hold A Amperes (Current) ‐ Minus symbol (negative) FULL Battery status message (on power up) Battery status icon 3000 3000 count reading display MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www. .com... -
Page 6: Operation
Operation NOTES: Read and understand all Warning and Caution statements in this operation manual prior to using this meter. Meter Power The meter is powered by two (2) AAA 1.5V batteries (located in compartment on bottom of meter handle). Press and hold the Power button for > 2 seconds to switch the device ON or OFF. When the meter switches ON the display shows the battery status (FULL, for example). There is also a battery status icon displayed on the lower right hand corner of the LCD. Low battery indication When the displayed battery icon appears empty or if the power ON battery status message indicates weak battery power, the batteries should be replaced immediately. Refer to the battery replacement procedure in the maintenance section. Automatic Power OFF The meter switches OFF automatically after a 20 minute period of inactivity (±30 seconds). To disable the Auto Power OFF feature: With the meter power OFF, press and hold the Power button for >2 seconds When the display shows the battery status (FULL, for example), press the backlight button until the display shows ‘AoFF’. The APO feature is now disabled and the meter will not shut off automatically. Note that the next time the meter is powered up, the Auto Power OFF function will be re‐enabled and the user will have to repeat the Auto Power OFF disable instructions to disable this function when desired. Backlit LCD Press the backlight button to switch the LCD backlight ON or OFF. Note that excessive use of the backlight feature will shorten battery life. Data Hold Press the HOLD button with the meter ON to freeze the displayed reading. The HOLD icon will appear along with the held reading. Press the HOLD button again to release the HOLD feature. The HOLD icon will switch OFF and the meter will show real time readings. MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www. .com... -
Page 7: Ac Current Measurements
AC Current Measurements WARNING: Ensure that power to the device under test is OFF before starting this procedure. Switch power to the device under test ON only after the clamp has been safely attached to the device under test. CATUTION: Do not move fingers above the LCD at any time during a test. Switch the meter OFF and switch OFF power to the device under test. Turn the knurled clamp lock mechanism counter‐clockwise to release the flexible clamp. Fully enclose only one conductor of the device under test with the flexible clamp probe (see accompanying diagrams). Do not attempt to measure current higher than the specified current limit. Switch the meter ON and then switch power to the device under test ON. Never move fingers above the LCD when running a test. Read the current value in the display. The meter will automatically select the appropriate range. MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www. .com... -
Page 8: Maintenance
Maintenance WARNING: To avoid electrical shock, disconnect the meter from any circuit and turn OFF the meter before opening the case. Do not operate the meter with an open case. Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents. If the meter is not to be used for 60 days or more, remove the batteries and store them separately. Battery Replacement CAUTION: Remove the meter from the conductor under test and switch the meter OFF before opening the battery compartment. With a flat blade screwdriver or coin, rotate the battery compartment cover to the unlock position. Remove the battery compartment cover. Replace the 2 ‘AAA’ 1.5V batteries observing correct polarity. Re‐attach the battery compartment cover. Rotate the battery compartment cover to the lock position. You, as the end user, are legally bound (EU Battery ordinance) to return all used batteries, disposal in the household garbage is prohibited! You can hand over your used batteries / accumulators at collection points in your community or wherever batteries accumulators are sold! Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com www. .com... -
Page 9: Specifications
33.00 A AC 0.01A ±(3.0% + 5 digits) AC Current 300.0A AC 330.0 A AC 0.1A ±(3.0% + 5 digits) 3000 A AC 3300 A AC 1A ±(3.0% + 5 digits) Notes: Accuracy is given as ± (% of reading + least significant counts) at 23C ±5C with relative humidity lower than 80%. Accuracy is specified for a period of one year after calibration. Position Error of Clamp: Accuracy and position error assumes centralized primary conductor at optimum position, no external electrical or magnetic field, and within operating temperature range. MA3010 MA3010 Error* MA3018 MA3018 Error* Distance from 15mm (0.6”) +2.0% 35mm (1.4”) +1.0% optimum position 25mm (1.0”) +2.5% 50mm (2.0”) +1.5% 35mm (1.4”) +3.0% 60mm (2.4”) +2.0% *Add this error to the AC Current accuracy specification listed earlier in this section. LCD displays ‘0’ counts when the reading is < 10 counts. ... - Page 10 0~30C (32~86F); 80%RH maximum 30~40C (86~104F); 75%RH maximum 40~50C (104~122F); 45%RH maximum Storage Temperature and Humidity ‐20~60C (‐4~140F); 80%RH maximum Temperature Coefficient 0.2 x specified accuracy / C, < 18C (64.5F), > 28C (82.4F) Altitude Maximum operating altitude 2000m (6562’) Battery Two “AAA” 1.5V batteries Battery life 200 hours with alkaline batteries Auto power OFF After approx. 20 minutes of inactivity Dimensions (W x H x D) MA3010: 120 x 280 x 25 mm (4.7 x 11.0 x 1.0”) MA3018: 130 x 350 x 25 mm (5.1 x 13.8 x 1.0”) Weight MA3010: 170g (6.0 oz.) / MA3018: 200g (7.1 oz.) Safety Standards For indoor use and in accordance with the requirements for double insulation to EN61010‐1, EN61010‐2‐032, EN61326‐1; CAT IV 600V, CAT III 1000V, Pollution Degree 2 Shock Vibration Sinusoidal vibration MIL‐PRF‐28800F (5‐55 Hz, 3g max.) Drop Protection 1.2m (4’) drop onto hardwood or concrete flooring Copyright © 2015 FLIR Systems, Inc. Reservados todos los derechos, incluyendo el derecho de reproducción total o parcial en cualquier medio www.extech.com MA3010_MA3018 en‐GB_V1.0 1/15 800.561.8187 information@itm.com...
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