CEM DT-6505, Manual

Page 1: ...User s Guide The Industrial Multimeter...

Page 2: ...1...

Page 3: ...situation which if not avoided could result in deat h or serious injury This CAUTION symbol indicates a potentially hazardo us situation which if not avoided may result damage t o the product This sym...

Page 4: ...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 t...

Page 5: ...ds 1000V above earth ground 4 NEVER connect the meter leads across a voltage source while the function switch is in the current resistance or diode mode Doing so can damage the meter 5 ALWAYS discharg...

Page 6: ...I DAR RANGE DOWN button 6 MODE BLUE button 7 INSULATION TEST button 8 INSULATION LOCK button 9 COM input jack 10 Input Terminal to operate the switched probe 11 Positive input jack 12 REL button 13 MA...

Page 7: ...Peak Hold Hz Hertz frequency V Volts Percent duty ratio REL Relative AC Alternating current AUTO Autoranging DC Direct current HOLD Display hold F Degrees Fahrenheit C Degrees Centigrade MAX Maximum...

Page 8: ...nge DC VOLTAGE MEASUREMENTS CAUTION Do not measure DC voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function switch...

Page 9: ...t CAUTION Do not measure AC voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function switch to the position 2 Press th...

Page 10: ...function switch to the mV position 2 Press the MODE button to indicate DC or AC 3 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the posit...

Page 11: ...mA DC set the function switch to the mA position and insert the red test lead banana plug into the A mA jack 4 For current measurements up to 20A DC set the function switch to the 10A HZ position and...

Page 12: ...the red test lead banana plug into the A mA jack 4 For current measurements up to 20A AC set the function switch to the yellow 10A HZ position and insert the red test lead banana plug into the 10A jac...

Page 13: ...is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading 5 Read the resistance in the display CONTINUITY CHECK WARNING To avoid e...

Page 14: ...dicate near 0V and an open device will indicate OL in both polarities CAPACITANCE MEASUREMENTS WARNING To avoid electric shock disconnect power to the unit under test and discharge all capacitors befo...

Page 15: ...s 5 Read the temperature in the display Note The temperature probe is fitted with a type K mini connector A mini connector to banana connector adaptor is supplied for connection to the input banana ja...

Page 16: ...tested insulation voltage in V DC is indicated the symbol flas hes and the buzzer warns frequently d Being free from the TEST button or pushing down the TEST button in the LOCK status can exit from th...

Page 17: ...ividually If the motor is di sconnected at the motor terminals connect one megohmmeter lead to th e grounded motor housing and the other lead to One of the motor leads DC Disconnect the motor from the...

Page 18: ...om other equipment Check each conductor to gr ound and or lead sheath by connecting one megohmmeter lead to a grou nd and or lead sheather and the other megohmmeter lead to each of the conductors in t...

Page 19: ...aximum reading and will update only when a new max occurs at the same time the minimum values are calculated as well press the MAX MIN button to alternately display the maximum or minimum values 2 To...

Page 20: ...ond in duration Press and hold about two seconds the PEAK button PEAK and MAX will display Press it again MIN will display but MAX will disappear The meter will update the dispay each time a lower neg...

Page 21: ...ic shock disconnect the test leads from any source of voltage before removing the back cover or the battery or fuse covers WARNING To avoid electric shock do not operate your meter until the battery a...

Page 22: ...ving the battery cover 1 Turn power off and disconnect the test leads from the meter 2 Open the rear battery cover by removing two screws B using a Phillips head screwdriver 3 Insert the battery into...

Page 23: ...the battery 4 Remove the six A screws securing the rear cover 5 Gently remove the old fuse and install the new fuse into the holder 6 Always use a fuse of the proper size and value 0 5A 1000V fast bl...

Page 24: ...s are specified from 5 of range to 100 of range DC Current 500 A 0 01 A 1 0 reading 3 digits 5000 A 0 1 A 50mA 0 001mA 500mA 0 01mA 10A 0 001A AC Current 500 A 0 01 A 1 5 reading 3digits 50 to1000Hz 5...

Page 25: ...reading 40 digits 5 F 0 0001 F 3 5 reading 9 digits 50 F 0 001 F 500 F 0 01 F 5 000mF 0 0001mF 5 reading 9 digits Frequency electronic 50Hz 0 001Hz 0 3 reading 2 digits 500Hz 0 01Hz 5kHz 0 0001kHz 50k...

Page 26: ...V 0 10 0 100 5 000 M 0 001M 2 10 1mA load1 00k 5 000 50 00 M 0 01M 2 10 50 00 500 0 M 0 1M 4 5 500 5000 M 1M 5 5 250V 0 10 0 250 5 000 M 0 001M 2 10 1mA load25 0k 5 000 50 00 M 0 01M 2 10 50 00 500 0...

Page 27: ...onsist of two elements reading This is the accuracy of the measurement circuit digits This is the accuracy of the analog to digital converter 0 000 5 000 0 001 1 5 30 5 0 1V 250Vrms 5 00 50 00 0 01 2...

Page 28: ...Average responding multimeters are calibrated to read correctly only on sine waves and they will read inaccurately on non sine wave or distorted signals True rms meters read accurately on either type...

Page 29: ...early to 50 at 104 F 40 C Storage Humidity 80 Operating Altitude 7000ft 2000meters maximum Safety This meter is intended for origin of installation use and protected against the users by double insula...