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Item #1012 066 023
Model #CMM-2055T
USE AND CARE GUIDE
AC/DC CLAMP METER WITH FLASHLIGHT
Questions, problems, missing parts? Before returning to the store,
Questions, problems, missing parts? Before returning to the store,
call Commercial Electric Customer Service
call Commercial Electric Customer Service
8 a.m. - 7 p.m., EST, Monday - Friday, 9 a.m. - 6 p.m., EST, Saturday
8 a.m. - 7 p.m., EST, Monday - Friday, 9 a.m. - 6 p.m., EST, Saturday
1-877-527-0313
1-877-527-0313
HOMEDEPOT.COM
HOMEDEPOT.COM
Retain this manual for future use.
THANK YOU
We appreciate the trust and confidence you have placed in Commercial Electric through the
purchase of this digital clamp meter. We strive to continually create quality products designed
to enhance your home. Visit us online to see our full line of products available for your home
Document #: IM052524
improvement needs. Thank you for choosing Commercial Electric!
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Summary of Contents for Commercial Electric CMM-2055T
- Page 1 Retain this manual for future use. THANK YOU We appreciate the trust and confidence you have placed in Commercial Electric through the purchase of this digital clamp meter. We strive to continually create quality products designed to enhance your home. Visit us online to see our full line of products available for your home Document #: IM052524 improvement needs.
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Page 2: Table Of Contents
Safety Information (continued) Table of Contents Table of Contents ......2 Resistance Specifications ..... 12 PRECAUTIONS Capacitance Specifications ....12 Safety Information ......2 WARNING: Make sure to use the Duty Cycle Specifications ..... 12 WARNING: This manual contains Warranty........... 5 correct input jack, function, and information and warnings necessary Frequency Specifications ..... -
Page 3: Fcc Compliance Statement
Safety Information (continued) Safety Information (continued) FCC COMPLIANCE STATEMENT WARNING: Do not use the meter CAUTION: When the range of the or test leads if they look damaged. value to be measured is unknown, WARNING: This device complies with Part 15 of the FCC Rules. Check to see if the test wire has check that the range initially set on Operation is subject to the following two conditions:... -
Page 4: Pre-Operation
Pre-Operation Pre-Operation (continued) PRODUCT DESCRIPTION Part Name Description NCV sensing antenna Detects presence of AC voltage. Current clamp Measure AC current. Alerts you the live voltages to ensure safe operation of this NCV LED indicator meter. Keep hands from touching conductors while measuring Protection guard current. -
Page 5: Lcd Display Definitions
Pre-Operation (continued) Pre-Operation (continued) Part Name Description Part Symbol Description Press to view the maximum measured reading, press again Active auto power off indicator MAX/MIN button to view the minimum measured reading. Relative mode indicator LCD display Displays the measured readings up to 4000 counts. Alternating current indicator In auto-backlight mode, the LCD backlight will automatically Backlight sensor... -
Page 6: Product Specifications
Pre-Operation (continued) Pre-Operation (continued) PRODUCT SPECIFICATIONS AC CURRENT SPECIFICATIONS Measuring Range Resolution Accuracy Component Specification 40.00A 10mA ±(2.0% of reading + 8 digits) LCD display 4000 counts 400.0A 100mA ±(2.0% of reading + 5 digits) Jaw opening 27mm max. □ Maximum input current: 400A AC Battery 3 X AAA 1.5V batteries □... -
Page 7: Dc Voltage Specifications
Pre-Operation (continued) Pre-Operation (continued) FREQUENCY SPECIFICATIONS DC VOLTAGE SPECIFICATIONS Measuring Range Resolution Accuracy Measuring Range Resolution Accuracy 400.0mV 0.1mV ±(0.5% of reading + 5 digits) 1.000 to 9.999Hz 0.001Hz 4.000V 99.99Hz 0.01Hz 40.00V 10mV ±(0.8% of reading + 5 digits) 999.9Hz 0.1Hz ±... -
Page 8: Range Button
Pre-Operation (continued) Pre-Operation (continued) Testing in CAT III / CAT IV measurement locations RANGE BUTTON SEL/BACKLIGHT BUTTON SEL FUNCTION: By default, the auto-ranging function Ensure the test lead's shield is pressed firmly in place. Failure to use the CAT III / CAT IV □... -
Page 9: Auto Power Off
Pre-Operation (continued) Operation DATA HOLD/ AC/DC Current Measurement (Less than 400A) FLASHLIGHT BUTTON WARNING: When measuring bare DATA HOLD FUNCTION: wires, use extra caution to avoid □ Data hold mode causes the meter to stop electric shock. updating the data on the LCD display (K). WARNING: Disconnect test leads □... - Page 10 Operation (continued) Operation (continued) AC/DC Voltage Measurement Non-Contact AC Voltage (Less than 600V) Detection CAUTION: To avoid electrical CAUTION: To avoid electrical shock and/or damage to the meter, shock, test a known voltage first to do not attempt to take any voltage verify proper operation before use.
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Page 11: Resistance Measurement
Operation (continued) Operation (continued) Resistance Measurement Continuity Check WARNING: To avoid Injury or WARNING: To avoid Injury or damage to the meter, do not attempt damage to the meter, do not attempt to measure resistance on a live circuit. to measure continuity on a live circuit. □... -
Page 12: Diode Test
Operation (continued) Operation (continued) Diode Test Capacitance Measurement WARNING: To avoid Injury or WARNING: Electric shock hazard. damage to the meter, do not attempt To avoid electric shock, before to measure diode on a live circuit. measuring capacitance, discharge the capacitance completely. □... -
Page 13: Temperature Measurement
Operation (continued) Operation (continued) μA DC Current Temperature Measurement (Less than 200μA) WARNING: To avoid electric shock, WARNING: Do not attempt to be sure that the thermocouple probe measure more than 200 μA. has been removed before changing to another measurement function. □... -
Page 14: Maintenance
Maintenance Maintenance (continued) BATTERY REPLACEMENT WARNING: Before you open the WARNING: When you open the meter, always disconnect it from meter, remember that some internal □ When indicator is displayed on all sources of electrical current and capacitors can retain a dangerous the LCD display (K), batteries must be make sure you are not charged with voltage level even after the...
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