General DMM333 User Manual Download Page 16 | Manualshive

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16

TABLE 1.

ELECTRICAL SYMBOLS

SYMBOL

DESCRIPTION

AC (Alternating

Current)
DC (Direct Current)
Caution, risk of

electric shock

Hazardous voltage
Battery (Low battery

when shown on the

display).
Diode
AC or DC
Fuse
Double

Insulated
Risk of danger.

Important

Information.

Refer to the manual.
Earth ground
Continuity/Buzzer
Complies with EU

directives

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Summary of Contents for DMM333

Page 1: ...DMM333 USER S MANUAL DIGITAL POCKET MULTIMETER AUTO RANGING...

Page 2: ...2 TITLE PAGE INSTRUMENT 3 OVERVIEW FEATURES 4 SPECIFICATIONS 5 6 SAFETY COMPLIANCE 7 SAFETY 8 15 INFORMATION ELECTRICAL 16 SYMBOLS OPERATING 17 25 INSTRUCTIONS MAINTENANCE 26 TABLE OF CONTENTS...

Page 3: ...INSTRUMENT OVERVIEW 1 LCD Display 2 Function Select Button 3 Rotary Switch 4 DATA MAX HOLD Button 5 Test Leads DMM333 3...

Page 4: ...FEATURES Data Hold Max Hold Ranging Easy to use Continuity Beeper Diode Test Auto Power Off Low Battery Indicator Fast Sampling Rate Built In Test Leads 4...

Page 5: ...DC Volts 0 5 5dgt Accuracy AC Volt Auto 2 20 200 500VAC AC Volts 0 8 5dgt Accuracy Resistance Auto 200 2k 20k Ohms 200k 2M 20M Resistance 0 8 5dgt 1M Accuracy 2 5dgt 1M Diode Test Continuity audible...

Page 6: ...x Data Hold Fuse Battery Type Operating Temperature Storage Temperature Size L W H Weight including batteries DMM333 10M 250mA 250V Fast Fuse 2 LR44 1 5V button cell batteries 32 to 140 F 0 to 40 C 75...

Page 7: ...RH 75 This unit was designed to be safe at least under the following conditions Indoor use Altitude up to 2000m Pollution degree 2 Ingress protection degree IP20 Test leads type CE CAT II 500V and CA...

Page 8: ...nless you are qualified to do so The information provided in this manual is for the use of qualified personnel only Read Safety Information before using this meter This multimeter is battery operated...

Page 9: ...identifies conditions and actions that pose hazards to the user A Caution identifies conditions and actions that may damage the Meter or the equipment under test International symbols used on the Mete...

Page 10: ...ices 1 Do not use the Meter in a manner not specified by this manual or the safety features of the Meter may be impaired 2 Before using the Meter inspect the case Do not use the Meter if it is damaged...

Page 11: ...eter Replacing test leads should be referred to qualified service personnel only 4 Verify a Meter s operation by measuring a known voltage Do not use the Meter if it operates abnormally Protection may...

Page 12: ...mA settings Never measure current when the meter is set on the resistance range Never measure AC voltage when the meter is set on DC voltage or DC current settings Setting the meter on the incorrect f...

Page 13: ...keep the fingers behind the finger guards Do not touch the metal probes of the test leads when making a measurement 12 When making connections connect the common test lead before connecting the live t...

Page 14: ...resence of any AC voltages by first using the AC function Then select a DC voltage range equal to or greater than the AC range 15 Before measuring current you should turn off power to the circuit befo...

Page 15: ...ry the Meter might produce false readings that can lead to electric shock and personal injury Don t replace batteries with the wrong type Otherwise you may encounter hazards 19 Remove test leads from...

Page 16: ...nt DC Direct Current Caution risk of electric shock Hazardous voltage Battery Low battery when shown on the display Diode AC or DC Fuse Double Insulated Risk of danger Important Information Refer to t...

Page 17: ...surement Do not measure voltage higher than 500V If the voltage is over 1000 VDC the beeper will sound for warning continuously designating an over range measurement 1 Set the function range switch to...

Page 18: ...18 3 Read the measured voltage on the display If the test leads are reversed the indicator will appear on the display red test lead black test lead red test lead black test lead...

Page 19: ...d for warning continuously designating an over range measurement 1 Set the function range switch to the appropriate AC voltage range 2 Measure the voltage by touching the probes to the desired test po...

Page 20: ...cuit is turned off and all capacitors are discharged 1 Turn the rotary switch to the appropriate resistance ohms range Make sure power is disconnected from the circuit to be measured 2 Measure the res...

Page 21: ...e rotary switch to the diode continuity position Diode check is the default setting switch functions by pushing the YELLOW button 2 Connect the red probe to the anode side and the black probe to the c...

Page 22: ...and cathode sides of a diode 5 For silicon diode forward bias voltage should be 0 5 0 8V for germanium diode forward bias voltage should be 0 2 0 3V A 0 V reading in both directions indicates a shorte...

Page 23: ...unctions by pushing the YELLOW button 2 If the resistance is under 50 the beeper will sound continuously designating a short circuit If the meter reads OL the circuit is open 3 Read the measured resis...

Page 24: ...ng first 2 Toggle between AC or DC current measurement by pressing the YELLOW button 3 Break the circuit path to be measured Then connect the test leads across the break and apply power 4 Read the mea...

Page 25: ...test lead black test lead Turn Off Please set the function switch to the OFF position after using The Meter enters the Sleep mode and blanks the display if the Meter is not used and the input is inac...

Page 26: ...ectly Disconnect test leads before opening the case or the battery door To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the batt...

Page 27: ...27 NOTES...

Page 28: ...GENERAL TOOLS INSTRUMENTS NOTICE WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS MAN DMM333 6 09 GENERAL TOOLS INSTRUMENTS 80 White Street New York NY 10013 3567 PHONE 212 431 6100 FAX 212 431 6499 T...

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