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Operating manual

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Palm Size
Digital Multimeter

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Summary of Contents for 300

Page 1: ...Operating manual 300 Palm Size Digital Multimeter ...

Page 2: ...1 Illustrations Fig 1 Voltage measurement DC and AC Fig 2 DC Current Measurement Fig 3 Diode test Continuity test Fig 4 Temperature measurement Fig 5 Replacing the Battery Replace the fuse ...

Page 3: ... 10mV 500V DC or AC 200V 100mV 500V 1V 0 8 2 AC Voltage Range Resolution Accuracy Overload Protection 200V 100mV 500V DC or AC 800V 1V 1 2 10 DC Current Range Resolution Accuracy Overload Protection 200μA 1μA 1 2 315mA 250V 20mA 10μA fast type fuse 200mA 100μA 1 2 2 o 5x20 mm 10A 100mA 2 2 Un Fused 300 2 ...

Page 4: ...100Ω 20MΩ 10MΩ 1 5 Diodes and Continuity Range Resolution Remark Overload Protection 1mV Displays approximate forward voltage drop 0 5 0 8V 250V DC or AC 1Ω Buzzer beeps at 70Ω Temperature Range Resolution Accuracy Overload Protection 40 C 150 C 1 C 18 3 150 C 1000 C 1 5 15 250V DC or AC 40 F 302 F 1 F 1 4 302 F 1832 F 1 5 15 ...

Page 5: ...Svenska 12 17 Norsk 18 23 Dansk 24 30 Suomi 31 36 Deutsch 37 44 Nederlands 45 51 Français 52 58 Italiano 59 65 Español 66 72 Português 73 79 Polska 80 86 Eesti 87 92 Latviski 93 100 LietuviŠkai 101 108 PyÔÔÍËÌ 109 115 Language Contents ...

Page 6: ...st type o5x20 mm 10A Terminal Un fused Range Manual ranging Maximum Display Display 1999 or 31 2 digits Measurement Speed Updates 2 3 times second Temperature Operating 0 C 40 C 32 F 104 F Storage 10 C 50 C 14 F 122 F Battery Type One piece of 9V Battery NEDA 1604 or 6F22 or 006P Safety Compliances IEC61010 CAT I 600V overvoltage and double insulation standard Certification Safety Information This...

Page 7: ... 42V rms in AC special care should be taken for there is danger of electric shock Do not use or store the Meter in an environment of high tempera ture humidity explosive inflammable and strong magnetic fiels The performance of the Meter may deteriorate after dampened When using the test leads keep your fingers behind the finger guards Disconnect circuit power and discharge all high voltage capacit...

Page 8: ...If the circuit impedance is less than or equal to 10kΩ the error is negligible 0 1 or less DC Current Measurement see fig 2 Warning Never attempt an in circuit current measurement where the voltage between terminals and ground is greater than 60V If the fuse burns out during measurement the Meter may be dama ged or the operator himself may be hurt Use proper terminals func tion and range for the m...

Page 9: ...s can add 0 1Ωto 0 3Ωof error to resistance measu rement To obtain precision readings in low resistance measure ment that is the range of 200Ω short circuit the input terminals beforehand and record the reading obtained This is the addi tional resistance from the test lead When 1 displays the resistance are higher than selected range Diode test see fig 3 Use the diode test to check diodes transist...

Page 10: ...ng measured The buzzer sounds if the resistance of a circuit under test is less than 70Ω Temperature measurement see fig 4 1 Insert the red temperature probe into the VΩmA C F terminal and the black temperature probe into the COM temperature 2 Set the rotary switch to C or F position 3 Place the temperature probe to the object being measured The measured value shows on the display Note The Meter a...

Page 11: ... the screw Replace the fuse see fig 5 1 Disconnect the connection between the testing leads and the cir cuit under test 2 Turn the Meter to OFF position 3 Remove the screw and separate the case bottom from the case top 4 Remove the fuse by gently prying one end loose and then take out the fuse from its bracket 5 Replace only fuses with the identical type and specification as follows 315mA 250V fas...

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