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Resistance

 

Range

resolution

Accuracy

(%

rdg

+

digits

)

400

Ω

 

0.1

Ω

±

(

0

.

5

%

rdg

+

5d

)

4k

Ω

 1

Ω

±

(

0

.

5

%

rdg

+

3d

)

 

40k

Ω

 

10

Ω

±

(

0

.

5

%

rdg

+

3d

)

 

400k

Ω

 

100

Ω

±

(

0

.

5

%

rdg

+

3d

)

 

4M

Ω

 

1 k

Ω

±

(

1

%

rdg

+

5d

)

 

40M

Ω

 

10k

Ω

±

(

1

.

5

%

rdg

+

10d

)

 

Open

circuit

Voltage

:

0

.

45V

Input

protection

:

250V

RMS

 

Continuity

Test

 

Continuity

threshold

:

Approx

.

40

Ω

 

 

Continuity

threshold

:

2kHz

tone

buzzer

Input

protection

:

250V

RMS

 

Diode

Test

 

Test

current

:

0

.

6mA

Open

circuit

voltage

:

Approx

.

3

.

0V

 

Input

protection

:

250V

RMS

 

    3-5

Содержание M9803R

Страница 1: ...Bench Multimeter Users Manual M9803R...

Страница 2: ...compact design with rounded corners for easy handling and has a rugged case in shock resistant and fire retardant And electronic overload protection for all functions and ranges Unpacking and Inspect...

Страница 3: ...ecautions Safety Information 1 A Quick Tour 1 1 Symbol Explanation 1 1 Instrument Layout 1 2 Using the Rotary Switch 1 5 Using the Hardkeys 1 6 Buzzer Output 1 10 Low Battery Indication 1 10 2 Making...

Страница 4: ...Capacitance 2 10 Measuring Frequency and Adaptive 2 12 Testing Diodes 2 14 Measuring Resistance and Continuity 2 16 3 Specifications 3 1 General Specifications 3 1 Resolution and Accuracy 3 3 4 Mainte...

Страница 5: ...etc do not attempt to take measurements 3 Never ground yourself when taking electrical measurements Do not touch exposed metal pipes outlets fixtures etc which might be at ground potential Keep your b...

Страница 6: ...y Take a reading of a known voltage or current before assuming a zero reading indicates no current or voltage 12 Do not attempt calibration or service unless trained and another person capable of rend...

Страница 7: ...r Symbol Explanation Earth ground TERMINAL AC Alternating current DC Direct current Audible continuity Equipment protected throughout by Double Insulation Protection Class 1 1 Caution Caution Possibil...

Страница 8: ...Instrument Layout Figure 1 1 Bench Multimeter Features Forward 1 2...

Страница 9: ...Figure 1 2 Bench Multimeter Features Backward 1 3...

Страница 10: ...Milliamp Input Terminal This is the positive input terminal for current measurement AC or DC up to 400 mA Connection is made to using the Red test lead 4 A 10 Amperes Input Terminal This is the positi...

Страница 11: ...oltge value of AC power must be examined with same the power requirements of multimeter before connect power cord to live power source and the switch is turned on This switch is used to turn AC Power...

Страница 12: ...d alternatively by each press button In the range of Measuring Frequency and Adapted Test The Frequency or Adaptive measurement is changed alternatively by each press button In the range of Measuring...

Страница 13: ...s come out when occur the over range or continuity modes And the range is also changed if it is in auto range 4 Delay Data Hold DELAY HOLD Button When button is pressed over eight second to toggle in...

Страница 14: ...ld to just before range 6 Relative Display REL Button Press button to enter the Relative Display mode the REL annunciator turns on zero the display and store the displayed reading as a reference value...

Страница 15: ...ng And the Data Recall Hold mode is released by pressing button or button Press button to select the Manual Range mode and turn off the AUTO annunciator 7 RANGE Button In the Manual Range mode each ti...

Страница 16: ...ta for you necessary Buzzer Output 2kHz buzzer sound is output in following cases 1 When operate the key 2 When occur the over range Except the measurement mode of Resistance Frequency Hz Continuity a...

Страница 17: ...power cord to live power source and the switch is turned on Before making any measurements always examine the multimeter and accessories used with the multimeter for damage contamination excessive di...

Страница 18: ...Measuring DC Volts Figure 2 1 DC Volts Measurements 2 2...

Страница 19: ...known always start with the highest range 4 Connect the test lead tips in parallel with the circuit to be measured Be careful not to touch any energised conductors Note the reading 5 For DC voltage re...

Страница 20: ...Measuring AC Volts Figure 2 2 AC Volts Measurements 2 4...

Страница 21: ...2 Select the desired AC voltage range or set automatic range 3 When the magnitude of the voltage to be measured is unknown always start with the highest range 4 Connect the test lead tips in parallel...

Страница 22: ...Measuring DC and AC Amps Figure 2 3 Amps Measurements 2 6...

Страница 23: ...y by each press the button The DC and AC Amps Measurement is as follows 1 Insert the black and red test leads into the COM and A input terminals respectively 2 Turn off or disconnect the circuit to be...

Страница 24: ...Measuring DC and AC Milliamps Figure 2 4 Milliamps Measurements 2 8...

Страница 25: ...asurement is as follows 1 Insert the black and red test leads into the COM and mA input terminals respectively 2 Select the desired DC current range or AC current range 3 Turn off or disconnect the ci...

Страница 26: ...Measuring Frequency and Adaptive Figure 2 5 Measurement Frequency and Adaptive ADP 2 10...

Страница 27: ...esolution Manual range is not available 3 Determine that the amplitude level of the signal to be measured is not greater than the input voltage limit 250V DC AC rms The signal amplitude mustalso be gr...

Страница 28: ...Measuring Capacitance Figure 2 6 Capacitance Measurements 2 12...

Страница 29: ...or 5 Read capacitance value directly from display The measurement accuracy of capacitors can be improved by first using the Relative mode to zero the and automatically subtract the residual multimeter...

Страница 30: ...Testing Diodes Figure 2 7 Diode Tests 2 14...

Страница 31: ...follows 1 Set the position by turning the rotary switch 1 Insert the black and red test leads into the COM and V Hz input terminals respectively 2 The red lead should be connected to the anode and the...

Страница 32: ...Measuring Resistance and Continuity Figure 2 8 Resistance and Continuity Measurements 2 16...

Страница 33: ...the circuit or device under test making sure it is de energized first 4 Turn off any power to the resistor to be me asured Discharge any capacitor Any voltage present during a resistance measurement...

Страница 34: ...o the COM and V Hz input terminals respectively 3 Connect the black and red test probe tips to t he circuit or device under test making sure it is de energized first 4 An audible tone will sound for r...

Страница 35: ...42 segment analog bar graph Full annunciates automatic polarity indication Measuring rate Digit 2 times per second Analog bar graph 20 times second Capacitance 1 time per second Overrange indications...

Страница 36: ...VA min or AC 198V to 264V 50 60 Hz 10VA min to buy by user optional NEDA 1604 6F22 006P type one piece or IEC LR6 AM3 AA 1 5V 6 piece Size 238mm W 230mm L 83mm H without carrying strap Weight Approx 1...

Страница 37: ...rdg 2d 1000V 1V 0 3 rdg 2d Input Impedance 10M 100PF Overload Protection 1000V DC or 750V AC RMS AC Volts true rms ac coupled Range resolution Accuracy rdg digits 4V 1mV 40V 10mV 0 8 rdg 5d 50Hz to 6...

Страница 38: ...en voltage 600mV max for mA input 900mV max for A input AC Current Range resolution Accuracy rdg digits 4mA 1 A 1 5 rdg 5d 45Hz to 400Hz 40mA 10 A 1 5 rdg 5d 45Hz to 400Hz 400mA 100 A 1 5 rdg 5d 45Hz...

Страница 39: ...00 0 5 rdg 3d 4M 1 k 1 rdg 5d 40M 10k 1 5 rdg 10d Open circuit Voltage 0 45V Input protection 250V RMS Continuity Test Continuity threshold Approx 40 Continuity threshold 2kHz tone buzzer Input protec...

Страница 40: ...dg 5d 40 F 10nF 2 rdg 5d at 20 F 5 rdg 5d at 20 F Input protection 250V RMS Frequency Counter Ranges 100Hz 1kHz 10kHz 100k Hz 600kHz Resolution 0 01Hz in the 100Hz range Accuracy 0 1 4d Sensitivity 10...

Страница 41: ...from live power source and the test leads and any input signals before replacing the battery Replace only with same type of battery When the multimeter displays the mark the battery must be replaced t...

Страница 42: ...d electrical shock disconnect the test leads and any input signals before replacing the fuses Replace only with same type of fuses The A input terminal is protected by a F15A 250V fast blow ceramic fu...

Страница 43: ...8 Never use the bench multimeter unless h te fuse cover is in place and fastened fully Replacing the Power Fuse WARNING To avoid electrical shock Disconnect power cable from live power source before...

Страница 44: ...th same ratings 4 The power fuse 100mA 250V Fast 5 20mm Other Note 1 Do not use abrasives or solvents on the bench multimeter use a damp cloth mild detergent only 2 If any faults or abnormalities are...

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