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USER'S MANUAL

DIGITAL MULTIMETER

DMR-4350

CIRCUIT-TEST ELECTRONICS

www.circuittest.com

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Summary of Contents for DMR-4350

Page 1: ...USER S MANUAL DIGITAL MULTIMETER DMR 4350 CIRCUIT TEST ELECTRONICS www circuittest com...

Page 2: ...play 8 1 DC Voltage Measurement 9 2 AC Voltage Measurement 9 10 3 DC Current Measurement 10 11 a less than 326mA DC current b 326mA or more DC current 4 AC Current Measurement 11 13 a less than 326mA...

Page 3: ...DC or 30VAC RMS as these volt ages pose a shock hazard Always consider circuits to be energized Never assume any equipment to be de energized Always start with power off Set the function switch to the...

Page 4: ...in the Operating Instructions 500V MAX This symbol indicates that the terminal s so marked must not be con nected to a circuit point at which the voltage with respect to ground exceeds 500V AC DC Thi...

Page 5: ...e test the following Voltage Current Resistance Continuity Diode Temperature LCD DISPLAY SYMBOL DEFINITIONS DISPLAY SYMBOL DEFINITION DISPLAY SYMBOL DEFINITION Diode A Amps Data Hold Range Hold AC Alt...

Page 6: ...freeze and will appear on the LCD Changes in the input signal will not change the display 9 FUNCTION Switch Function Switch to select measurement mode 10 Test Lead Input Indicating LEDs Lighted LED in...

Page 7: ...sounds if resistance is less than 20 Over range indication OL is displayed Operating Temp 5 to 40 C 41 to 104 F Storage Temp 10 to 50 C 14 to 122 F Relative Humidity 75 Operating Storage Power Source...

Page 8: ...s 2 reading 8 digits AC CURRENT AC A 40 400HZ 326 A 3 26mA 32 6mA 326mA 20A 100nA 1 A 10 A 100 A 10mA 1 5 reading 5 digits 3 reading 5 digits RESISTANCE 326 3 26k 32 6k 326k 3 26M 32 6M 0 1 1 10 100 1...

Page 9: ...button twice or press the HOLD button or RANGE button once ANALOG BARGRAPH DISPLAY Besides the digital readout this meter also indicates all the measurements on the bargraph at the bottom of the displ...

Page 10: ...positive Read the displayed voltage If the minus sign appears it means the voltage is negative at the point being measured If OL appears on the display it indicates over range Immediately re move test...

Page 11: ...ng for this function If you wish to measure with Manual range follow instructions described in Section 9 For manual ranging start at the highest range and work down a Less than 326mA DC Current Measur...

Page 12: ...ircuit and connect the black lead to the negative side and the red lead to the positive side of the circuit so that the test leads are in series with the load to be measured Apply power to the circuit...

Page 13: ...current If the numeral value in the display is too small change the function switch from mA to A for a more sensitive measurement range If OL appears on the display it indicates over range Immediatel...

Page 14: ...POSITION OF THE FUNCTION SWITCH NOTE The meter will be Auto ranging for this function If you wish to measure with Manual range follow instructions described in Section 9 For manual ranging start at t...

Page 15: ...O REMOVE ALL POWER FROM THE CIRCUIT BEING TESTED WHEN PERFORMING THE DIODE TEST DISCHARGE ANY CHARGED CAPACITORS Note If the diode is part of a circuit it is necessary to discon nect one end of the di...

Page 16: ...e function switch to C or F depending on whether the temperature is to be measured in degrees Celsius or degrees Fahrenheit Plug the K type thermocouple in the TEMP jack NOTE The K type thermocouple s...

Page 17: ...nd return to auto rang ing press and hold the Range button until disappears from the display 10 HOLD FUNCTION Use this function to hold a reading When this pushbutton is pressed the data being display...

Page 18: ...FUSE REPLACEMENT WARNING DISCONNECT BOTH TEST LEADS FROM ANY SOURCE OF VOLTAGE BEFORE REMOVING THE BACK COVER DO NOT OPERATE THE METER UNTIL THE BACK COVER IS IN PLACE AND FASTENED SECURELY a 0 5 Amp...

Page 19: ...open Remove the batteries Carefully lift the top of the case away from the bottom CAUTION Lift the top case carefully do not break the wires attached to the battery compartment Gently lift the battery...

Page 20: ...Fast Ceramic 16A 500V Batteries 2 x AAA LIMITED WARRANTY Circuit Test Electronics warrants to the original purchaser that this product be free of defect in material or workmanship for a period of 2 y...

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