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5. Operation

5-1. Preparation & Caution Before
Measurement

1. The function switch should be set to the range to be

measured before operation.
If the function must be switched during a
measurement, always remove the test leads from
the circuit being measured.

2. If the unit is used near noise-generating equipment,

be aware that the display may become unstable or
indicate large errors.

3. Avoid using the unit in places with rapid temperature

variations.

4. In order to prevent damage or injury to the unit,

never fail to keep the maximum tolerable voltage and
current, especially for the 10A current range.

5. Carefully inspect the test leads. If damaged, discard

and replace.

6. Be sure to check the annunciator on the display for

safety indicator.

5-2. Front Panel Description

1. Liquid Crystal Display
2. Function/Rotary Switch
3. TR h

FE

Test Socket

4. 10A Input Jack
5. Plug-in Connector for Red (positive) Test Lead.
6. Plug-in Connector for Black (negative) Test Lead.

1

2

6

3

5

4

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Summary of Contents for M-1000B

Page 1: ...OPERATOR S INSTRUCTION MANUAL DIGITAL MULTIMETER M 1000B Copyright 2003 ElencoTM Electronics Inc...

Page 2: ...ion 8 9 5 3 How to Make Measurements 10 13 6 Maintenance 14 6 1 Battery Replacement 14 6 2 Fuse Replacement 15 WARNING PLEASE READ THIS INSTRUCTION MANUAL CAREFULLY Misuse and or abuse of this instruc...

Page 3: ...ircuit Small amounts of current can be dangerous Use caution when working above 60VDC or 30VAC rms Such voltages pose a shock hazard When using the test lead keep your fingers behind the guards on the...

Page 4: ...hat the terminal s so marked must not be connected to a circuit point at which the voltage with respect to earth ground exceeds in this case 500 volts This symbol adjacent to one or more terminals ide...

Page 5: ...y 3 1 2 LCD 1999 count display Polarity Automatic is displayed Overrange Indication 1 on LCD is displayed Operation Temperature 32O F to 122O F Power 9V Alkaline or Carbon Zinc battery NEDA 1604 Batte...

Page 6: ...0 8 of rdg 2dgt OVERLOAD PROTECTION 220Vrms AC for 200mV range and 1000VDC or 750Vrms AC for other ranges AC Voltage 200V 100mV 1 2 of rdg 10dgt 750V 1V 1 2 of rdg 10dgt OVERLOAD PROTECTION 1000VDC f...

Page 7: ...of rdg 2dgt OVERLOAD PROTECTION 15 seconds maximum 220Vrms on all ranges MAXIMUM OPEN CIRCUIT VOLTAGE 2 8V TR hFE NPN 10mA DC 3 0V DC PNP 10mA DC 3 0V DC DIODE TEST Measures forward resistance of a s...

Page 8: ...rors 3 Avoid using the unit in places with rapid temperature variations 4 In order to prevent damage or injury to the unit never fail to keep the maximum tolerable voltage and current especially for t...

Page 9: ...1 2 6 3 5 4 9...

Page 10: ...ement 1 Plug the red test lead into the V W mA jack and the black test lead into the COM jack 2 Set the RANGE switch to the desired DCV position If the voltage to be measured is not known beforehand s...

Page 11: ...ear on the digital display DC Current Measurement 1 Plug the red test lead into the V W mA jack and the black test lead into the COM jack for measurements between 200mA and 10A connect the red test le...

Page 12: ...easuring 4 Connect the test leads to the circuit to be measured 5 Read the resistance value on the digital display Diode Measurement 1 Plug the red test lead into the V W mA jack and the black test le...

Page 13: ...ine whether the transistor is an NPN or PNP type and locate the Emitter Base and Collector leads Insert the leads into the proper holes of the hFE socket on the front panel 3 The meter will display th...

Page 14: ...it from the top case 2 Unsnap the battery from the connector and replace it with a new 9 volt battery 3 Close the case cover and secure it with the screws 14 WARNING Before attempting battery fuse re...

Page 15: ...rom the back of the case 3 Remove the fuse from the holder and replace it with a new fuse of the specified value Fuse Numbers 200mA 250V Bussman Fuse GMA 2 10 200mA 250V Little Fuse 235 200 200mA 250V...

Page 16: ...Elenco TM Electronics Inc 150 W Carpenter Avenue Wheeling IL 60090 847 541 3800 http www elenco com e mail elenco elenco com...

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