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User Guide

True RMS Multimeter

Extech EX205T

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Summary of Contents for EX205T

Page 1: ...User Guide True RMS Multimeter Extech EX205T ...

Page 2: ...one or more terminals identifies them as being associated with ranges that may in normal use be subjected to particularly hazardous voltages For maximum safety the meter and its test leads should not be handled when these terminals are energized This symbol indicates that a device is protected throughout by double insulation or reinforced insulation PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OV...

Page 3: ...ectrical outlets can be difficult and misleading because of the uncertainty of connection to the recessed electrical contacts Other means should be used to ensure that the terminals are not live If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired This device must not be used by children It contains hazardous objects as wel...

Page 4: ... the voltage on the COM input jack exceeds 600V 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 discharge filter capacitors in power supplies and disconnect the power when making resistance or diode tests 6 ALWAYS turn off the power and disconnect the test leads be...

Page 5: ...on 8 RANGE button 9 Positive input jack 10 COM input jack Note Tilt stand test lead holders and battery compartment are on rear of unit Symbols and Enunciators Continuity Diode test µ micro 10 6 amps m milli 10 3 volts amps A Amps k kilo 10 3 ohms M mega 10 6 ohms Ohms V Volts AC Alternating current DC Direct current MAX Maximum AUTO Auto ranging HOLD Display hold ...

Page 6: ... plug into the positive V jack 3 Touch the black test probe tip to the negative side of the circuit Touch the red test probe tip to the positive side of the circuit 4 Read the voltage in the display AC DC CURRENT MEASUREMENTS 1 Insert the black test lead banana plug into the negative COM jack 2 Press the MODE button to indicate DC or AC on the display 3 For current measurements up to 2000µA set th...

Page 7: ...e the function switch to the position 2 Insert the black 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 display 4 Touch the test probe tips to the circuit or wire you wish to check 5 If the resistance is less than the continuity threshold the audible signal will sound DIODE TEST 1 Rotate the functio...

Page 8: ...AX mode The display icon MAX will appear The meter will display and hold the maximum reading and will update only when a new maximum value is detected 2 Press the MAX button again to exit the mode Note Max does not apply to the Resistance Diode and Continuity functions DISPLAY BACKLIGHT Press and hold the button for 2 second to turn the backlight on The backlight will automatically turn off after ...

Page 9: ...LONG PERIOD OF TIME the batteries should be removed to prevent damage to the unit BATTERY and FUSE Replacement WARNING To avoid electric shock disconnect the test leads from any source of voltage before removing the battery cover 1 Turn power off and disconnect the test leads from the meter 2 Open the rear battery fuse compartment by removing the Phillips head screw on the lower rear of the meter ...

Page 10: ...100 of range 200 A 0 1 A 2000 A 1 A 20 mA 0 01 mA 200 mA 0 1 mA 1 5 reading 5 digits 2 000 0 001 A 10 A 0 01 A 2 5 reading 5 digits DC Current Note 10A for 30 sec max 200 A 0 1 A 2000 A 1 A 20 mA 0 01 mA 200 mA 0 1 mA 1 5 reading 8 digits 2 000 0 001 A 10 A 0 01 A 3 0 reading 5 digits AC Current 50 60Hz Note 10A for 30 sec max 200 0 1 0 8 reading 5 digits 2 k 0 001 k 20 k 0 01 k 200 k 0 1 k 0 8 re...

Page 11: ...0V ceramic fast blow A range 10A 600V ceramic fast blow Operating Temperature 10ºC to 40ºC 14ºF to 122ºF Storage Temperature 10 o C to 60 o C 14 o F to 140 o F Operating Humidity Max 80 up to 31ºC 87ºF decreasing linearly to 50 at 40ºC 104ºF Storage Humidity 80 Operating Altitude 2000 meters 7000 ft maximum Weight 260g 9 17oz Size 147 x 76 x 42mm 5 8 x 2 9 x 1 6 Safety This meter is intended for o...

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