CEM DT-9929, User Manual

Page 1: ...User s Guide True RMS Industrial Multimeter...

Page 2: ...1...

Page 3: ...tially hazardous situation which if not avoided could result in death or serious injury This CAUTION symbol indicates a potentially haza rdous situation which if not avoided may result da mage to the...

Page 4: ...nsuming 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 equipmen...

Page 5: ...30 seconds max every 15 minutes Frequency Resistance Capacitance Duty Cycle Diode Test Continuity 1000VDC AC rms Temperature 1000VDC AC rms Surge Protection 8kV peak per IEC 61010 2 USE EXTREME CAUTI...

Page 6: ...used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Controls and Jacks 1 40 000 count LCD display 2 STORE RECALL button 3 MAX MIN _ button 4 MO...

Page 7: ...ertz 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 MIN Minimum N0...

Page 8: ...to a higher range 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 fu...

Page 9: ...hed ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function switch to the green VAC Hz position 2 Insert the black test lead banana plug into the negative COM jack Insert...

Page 10: ...position 2 Press the MODE button to indicate DC or AC or in AC range press EXIT for two seconds and chose AC DC 3 Insert the black test lead banana plug into the negative COM jack Insert the red test...

Page 11: ...DC set the function switch to the yellow 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 yellow 10A HZ po...

Page 12: ...to the yellow 10A HZ position and insert the red test lead banana plug into the 10A jack 5 Press the MODE button to indicate AC on the display 6 Remove power from the circuit under test then open up...

Page 13: ...h to the green CAP position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive jack 3 Press the MODE button to indicate on the d...

Page 14: ...check 5 If the resistance is less than approximately 35 the audible signal will sound If the circuit is open the display will indicate OL DIODE TEST 1 Set the function switch to the green CAP positio...

Page 15: ...ds to the capacitor to be tested Read the capacitance value in the Display TEMPERATURE MEASUREMENTS 1 Set the function switch to the green Temp position 2 Insert the Temperature Probe into the input j...

Page 16: ...position 3 The meter will display loop current as a with 0mA 25 4mA 0 20mA 100 and 24mA 125 AUTORANGING MANUAL RANGE SELECTION When the meter is first turned on it automatically goes into AutoRanging...

Page 17: ...value is the difference between the reference value and the measured value Note Relative mode does not operate in the 4 20mA function 1 Perform the measurement as described in the operating instructi...

Page 18: ...h states current storage serial number Then press button PEAKHOLD to change into the initial serial nu mber 0000 Press again it will change back On the right upper corner of LCD shows XXXX which state...

Page 19: ...on PEAKHOLD shortly once to scan data from 0000 to XXXX continuously Press again then scan again Use button to select serial number XXXX on the left upper corner and record data on the right upper cor...

Page 20: ...ntil the battery and fuse covers are in place and fastened securely This MultiMeter is designed to provide years of dependable service if the following care instructions are performed 1 KEEP THE METER...

Page 21: ...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 battery holder observing the correct polarity 4 Put the battery...

Page 22: ...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 23: ...its 40V 0 001V 400V 0 01V 1000V 0 1V All AC voltage ranges are specified from 5 of range to 100 of range DC Current 400 A 0 01 A 1 0 reading 3 digits 4000 A 0 1 A 40mA 0 001mA 400mA 0 01mA 10A 0 001A...

Page 24: ...ce 400 0 01 0 3 reading 9 digits 4k 0 0001k 0 3 reading 4 digits 40k 0 001k 400k 0 01k 4M 0 001M 40M 0 001M 2 0 reading 10 digits Capacitance 40nF 0 001nF 3 5 reading 40 digits 400nF 0 01nF 4 F 0 0001...

Page 25: ...reading 2 digits Pulse width 100 s 100ms Frequency 5Hz to 150kHz Temp type K 50 to 1200 C 0 1 C 1 0 reading 2 5 C 1 0 reading 4 5 F probe accuracy not included 58 to 2192 F 0 1 F 4 20mA 25 to 125 0 01...

Page 26: ...he voltage or current value 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 rea...

Page 27: ...orage Humidity 80 Operating Altitude 7000ft 2000meters maximum Weight 0 753lb 342g includes holster Size 7 36 x 3 2 x 2 0 187 x 81 x 50mm includes holster Safety This meter is intended for origin of i...

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