Manual

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MT-1910

Table of Contents

1. Introduction.............................................................1

3 1/2 Digital Multimeter w/EK-1

2. Safety note................................................................1

User’s Manual

3. Explanation of controls and indicators..................2

3-1 Meter illustration

3-2. Functional push button

3-3. Display indicators

4. Specification...........................................................4

4-1. General Feature

4-2. Electrical Specification

5. Measurement operation..........................................7

5-1. DC & AC voltage measurement

5-2. Resistance measurement

5-3. Diode/Continuity check

5-4. Capacitance measurement

5-5. Transistor check

5-6. Frequency measurement

5-7. DC/AC mA/10A measurement

5-8. Inductance measurement

5-9. Temperature measurement

6. Maintenance...........................................................11

6-1. Replacing the battery

6-2. Fuse replacement

6-3.Cleaning and Decontamination

Edition

2010

Summary of content (7 pages)

PAGE 1
MT-1910 Table of Contents 3 1/2 Digital Multimeter w/EK-1 1. Introduction.............................................................1 User’s Manual 2. Safety note................................................................1 3. Explanation of controls and indicators..................2 3-1 Meter illustration 3-2. Functional push button 3-3. Display indicators 4. Specification...........................................................4 4-1. General Feature 4-2. Electrical Specification 5.
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1. Introduction This Meter is a handheld and battery operated Digital Multi Meter (DMM) with multi function which designed to meet IEC-61010-1 CAT III 1000V over voltage category and double insulation. The entire outer surface of the case has been formed with thermo plastic elastomeric, giving the main body, though downsized, high resistance against the shock of a drop. This user’s manual covers information for safety and caution.
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2 3 3-2. Functional push button Push button Number 1 2 3 4 5 Function ON/OFF Lock type Power Switch. FUNC HOLD MAX/MIN Backlight * “FUNC” key is the function select key that acts with trigger. Use the key as switch of DC/AC voltage, DC/AC current, Resistance/Continuity and ℃/℉. Press “HOLD” to enter and exit the hold mode in any mode. That act with trigger. This key is act with trigger. Press this key once, the maximum value is holding (Will displays ‘MAX’ symbol in the LCD).
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4-2. Electrical Specification (at 23±5℃; <75% RH) 4.2.1 DC Voltage Range Resolution Accuracy 200mV 0.1mV 2V 0.001V 20V 0.01V ±（0.5% rdg + 2dgt） 200V 0.1V 1000V 1V * Input impedance: 10MΩ * Over load protection: 250V DC/AC(rms) at 200mV Range. * Max input voltage: 1000VDC 4.2.2 AC Voltage Range Resolution Accuracy 200mV 0.1mV 2V 0.001V ±（0.8% rdg + 3dgt） 20V 0.01V 200V 0.1V 700V 1V ±（1.0% rdg + 5dgt） * Input impedance：10MΩ * Over load protection: 250V DC/AC(rms) at 200mV Range.
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6 4.2.9 Capacitance Range Resolution Accuracy 2nF 0.001nF 20nF 0.01nF 200nF 0.1nF （4.0%rdg +5dgt） 2µF 0.001µF 20uF 0.01µF 200µF 0.1µF （5.0%rdg + 10dgt） * Over load protection：use the fuse[F250mA/1KV] 4.2.10 hFE Range Function hFE hFE： 1～1000 * Over load protection：use the fuse [F250mA/1KV ] 4.2.11 Frequency Range Resolution Accuracy 20kHz 1 Hz ±（1.5%rdg+5dgt） * Sensitivity： 200mV -5V AC rms * Over load protection：250V DC/AC rms 4.2.12 Inductance Range Resolution Accuracy 2mH 0.001mH （4.
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8 5-4. Capacitance measurement To avoid damage to the Meter or to the equipment under test, disconnect power and discharge all high-voltage capacitors before measuring capacitance. You can use the DC voltage function to confirm that the capacitor is discharged. Capacitance ranges are 2.000nF, 20.00nF, 200.0nF, 2.000uF, 20.00uF, 200.0uF. To measure capacitance, connect the Meter as follows: 1. Set the rotary switch to “ F” proper position, according to about capacitance value of capacitor under measured.
PAGE 7
10 5-9. Temperature measurement To measure temperature, please use the Multi-Function Socket. 1. Set the rotary switch to the “TEMP” range, then the “OL” displayed on the LCD. 2. Insert the Socket to the two “COM” and “TEMP” terminals. 3. Insert the K-type temperature probe to the two insert holes of Socket. User should take note of it’s polarity. 4. The measured temperature value will be displayed on the LCD.