Circuit-test DMR-4200 User Manual

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Summary of Contents:

[Page 1] Circuit-test DMR-4200

USER'S MANUAL DIGITAL MULTIMETER DMR-4200 CIRCUIT-TEST ELECTRONICS www.circuittest.com ...

[Page 2] Circuit-test DMR-4200

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– 1 – TABLE OF CONTENTS SAFETY Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 INTRODUCTION ...

[Page 4] Circuit-test DMR-4200

– 2 – SAFETY INFORMATION This meter is CUL and UL approved and conforms to IEC 61010-1 for Category II 1000V. This meter is designed to be safe under the following conditions: indoor use, altitude up to 2000m, temperature 5°C to 40°C, maximum...

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– 3 – SAFETY SYMBOLS Safety symbols and special annunciators on the meter and in this manual indicate cautions and warnings of important operational procedures that must be followed to ensure personal and product safety. This symbol indicates...

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– 4 – NO. ITEM DESCRIPTION 1 LCD Display 3-1/2 digit 2000 count LCD Display 2 Power Button Power ON/OFF push button switch 3 Function Switch Function Switch to select measurement mode 4 Capacitance Jack Insert the capacitor's two leads 5 20...

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– 5 – SPECIFICATIONS GENERAL Display: 3 1 / 2 digit 2000 count LCD Maximum Display: 1999 Backlight Display: 5 seconds ON Ranging: Manual Polarity: Automatic, minus (-) sign indicates negative polar - ity, no sign for positive polarity Meas...

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– 6 – RANGES AND ACCURACY FUNCTION RANGE RESOLUTION ACCURACY DC VOLTAGE (DC V) 200mV 2V 20V 200V 1000V 100µV 1mV 10mV 100mV 1V ±(0.5% reading + 1 digit) ±(0.8% reading + 2 digits) AC VOLTAGE (AC V) (40-400HZ) 2V 20V 200V 700V 1mV 10mV 100mV 1V...

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– 7 – CAP CIRCUIT-TEST DMR-4200 20A TEMP mA HOLD POWER CAT II 1000V V/Ω /F/ / COM D C V O L T S O H M S Ω C A P A C I T A N C E A C V O L T S A C A M P S D C A M P S T E M P F R E Q + DC – OPERATING INSTRUCTIONS This meter com...

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– 8 – CAP CIRCUIT-TEST DMR-4200 20A TEMP mA HOLD POWER CAT II 1000V V/Ω /F/ / COM D C V O L T S O H M S Ω C A P A C I T A N C E A C V O L T S A C A M P S D C A M P S T E M P F R E Q 2. AC VOLTAGE MEASUREMENT WARNING: MAXIMUM IN...

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– 9 – ➔ Plug the red test lead in TEMP/mA jack and the black test lead in jack. ➔ Remove power from the circuit that is to be measured. Open up the circuit and connect the black lead to the nega- tive side and the red lead to the posi...

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– 10 – CAP CIRCUIT-TEST DMR-4200 20A TEMP mA HOLD POWER CAT II 1000V V/Ω /F/ / COM D C V O L T S O H M S Ω C A P A C I T A N C E A C V O L T S A C A M P S D C A M P S T E M P F R E Q ➔ If ʻIʼ appears on the display, it indic...

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– 11 – b) 200mA or more AC Current Measurement CAUTION! Do not exceed 15 seconds when measuring the 20A range and wait for 30 minutes between each measurement. ➔ Set the function switch to 20 on the AC AMPS scale. ➔ The LED above 20A jack...

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– 12 – ➔ Apply the test leads to the resistor being measured. If the resistor is part of a circuit, it is necessary to disconnect one end of the resistor to avoid any unwanted interference from the rest of the circuit. ➔ Read the displayed ...

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– 13 – 7. DIODE TEST WARNING: NEVER CONNECT THE TEST LEAD TO ANY VOLTAGE WHEN THE FUNCTION SWITCH IS SET TO / . REMOVE ALL POWER FROM THE CIRCUIT BEING TESTED WHEN PERFORMING THE DIODE TEST. DISCHARGE ANY CHARGED CAPACITORS. Note: If the dio...

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– 14 – 8. FREQUENCY MEASUREMENT WARNING: NEVER MEASURE FREQUENCY ON A CIRCUIT WITH MORE THAN 250V. ➔ Set the function switch to FREQ. ➔ The LED next to V/ /F/ / jack will turn on. ➔ Plug the red test lead in V/ /F/ / jack and blac...

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– 15 – 10. CAPACITANCE MEASUREMENT WARNING: FULLY DISCHARGE THE CAPACITOR BY SHORTING THE CAPACITOR LEADS TOGETHER BEFORE TESTING. ➔ Set the function switch to 20µ on the CAPACITANCE scale. ➔ Insert the capacitor leads into the j...

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– 16 – 12. BATTERY REPLACEMENT WARNING: DISCONNECT BOTH TEST LEADS FROM ANY SOURCE OF VOLTAGE BE- FORE REMOVING THE BACK COVER. DO NOT OPERATE THE METER UNTIL THE BACK COVER IS IN PLACE AND FASTENED SECURELY. will appear in the display when th...

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– 17 – b) 15 Amp Fast acting 6.3x32mm Ceramic Fuse (by a professional person only) ➔ Turn off the meter and disconnect both test leads. ➔ Remove the three screws at the back of the case (one at the top and two at the bottom). ➔ Remove t...

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– 18 – MAINTENANCE a) Always keep the meter dry. b) Keep the meter clean. Wipe the case occasionally with a damp cloth. Do not use chemicals, cleaning solvents or detergents. c) Use and store the meter in recommended normal environmental condi...