Dawson DCM201A User Manual Download Page 9

 

 

 

Frequency Through “HZ/DUTY” Mode 

Range 

Resolution 

Accuracy 

9.999Hz 

0.001Hz 

 
 
 

(0.3% + 5 Counts) 

 

99.99Hz 

0.01Hz 

999.9Hz 

0.1Hz 

9.999kHz 

0.001kHz 

99.99KHZ 

0.01kHZ 

999.9KHZ 

0.1KHZ 

9.999MHZ 

0.001MHZ 

 

Overload Protection: 250V DC or AC (RMS)   

 

Input  Voltage  Range:  ≥  2V  Input  voltage  should  increase  as 
circuit frequency increase 

 

Duty Ratio 

Range 

Resolution 

Accuracy 

0.1 – 99.9% 

0.1% 

 0.3% 

 

Duty Ratio through “A” Mode (Clamp) 

 

Frequency Response: 10 ~ 1kHz

 

 

Input Current Range: ≥20A    AC(RMS) 

 

Maximum Input Current: AC 1000A 

 

Duty Ratio through “V” Mode 

 

Frequency Response: 10 ~10kHz 

 

Input Volatage Range: ≥ 60mV AC 

 

Input Resistance: 10M

 

 

Maximum Input Voltage: 750V AC (RMS) 

 

Duty Ratio through “HZ/DUTY” Mode 

 

Frequency Response:10 ~10MHz 

 

Input  Voltage  Range:  ≥  2V  AC  (RMS)  Input  voltage  should 
increase as circuit frequency increase 

 

Maximum Input Voltage: 250V AC (RMS) 

 

Resistance 

Range 

Resolution 

Accuracy 

600

 

0.1

 

 

 

(0.8% + 3 Counts) 

6k

 

0.001k

 

60k

 

0.01k

 

600k

 

0.1k

 

6M

 

0.001M

 

(1.2% + 3 Counts) 

60M

 

0.1M

 

(2.0% + 5 Counts) 

 

Open Circuit Voltage: ~0.4V 

 

Over-voltage protection:    250V DC/AC (RMS) 
 

Continuity   

Function 

Resolution 

Description 

     

 

0. 1

 

The  Meter  will  beep  if 

measure less than 50

 

Over-voltage protection: 250V DC or AC (RMS) 

 
 

Summary of Contents for DCM201A

Page 1: ...s LIMITED WARRANTY AND LIMITATION OF LIABILITY 3 Out of the Box 3 Safety Information 3 Accessories 3 INTRODUCTION 4 Preparation 4 Operations 4 Components and Buttons 5 Symbols 5 Names of the Component...

Page 2: ...Measurement 11 Backlight and clamp light 11 Auto Power Off 11 Measuring Preparations 11 Current AC DC Measurements 12 Voltage AC DC Measurements 12 Frequency and Duty 13 Resistance Measurement 14 Dio...

Page 3: ...thorization The user is responsible for properly packing the unit and charges such as shipping freight and insurance charges The extent of Dawson s liability is limited solely to the repair replacemen...

Page 4: ...r home use Preparations Users must follow the standard safety instructions while using the meter 1 Once the Meter is out of the package check for any damage to the Meter before using 2 Double check th...

Page 5: ...ot expose the Meter to direct sunlight heat or moisture Components and Buttons Symbols Risk of danger Important information See User s Manual May be used on hazardous live conductors Double insulation...

Page 6: ...itance Voltage Current Frequency Diodes and continuity Input Terminal COM Common Input Terminals Rotary Switch switch between measurements LCD Display Features AC DC Alternating Current Direct Current...

Page 7: ...d Units Auto Power Off 15 Minutes Input Power 9V DC Battery Type 9V NEDA 1604 6F22 Low Battery Indication LCD Display Working Environment Temperature 18 28 Storage Temperature 10 50 Size 238 92 50mm W...

Page 8: ...may display fluctuating readings when the test leads are not connected to the circuit This is normal due to the high sensitivity of the Meter and will not affect the measurement Frequency Frequency Th...

Page 9: ...rrent AC 1000A Duty Ratio through V Mode Frequency Response 10 10kHz Input Volatage Range 60mV AC Input Resistance 10M Maximum Input Voltage 750V AC RMS Duty Ratio through HZ DUTY Mode Frequency Respo...

Page 10: ...Measurement When switching between positions on the rotary switct the default range type is Auto Press RANGE button to enter Manual mode Each press increases the measuring range and will return to mi...

Page 11: ...Measurement 1 Press REL button to enter relative measurement mode When in this mode the current reading will be stored and the display shows the difference of the current reading and the stored readi...

Page 12: ...ust the range if necessary 3 When measuring AC current the measured wire should be properly seated within the clamp jaws and centered within the clamp Also note that currents moving in different direc...

Page 13: ...tton to measure frequency 4 Read the measurement from the display 5 Press Hz again to measure duty Attention Measuring two or more wires together will cause false readings The accuracy of the reading...

Page 14: ...UIT AND DISCHARGE THE CAPACITANCE BEFORE MEASURING THE RESISTANCE 1 Insert the black lead into COM input and the red lead into INPUT input 2 Turn the rotary switch to this mode measures the resistance...

Page 15: ...he black lead into COM input and the red lead into INPUT input 2 Turn the rotary switch to 3 Place leads at the terminals of the capacitor after it is discharged 4 Read off the measurement from the di...

Page 16: ...Loosen the battery compartment door screw and remove the door from the case bottom 3 Remove and replace the battery 4 Reattach the battery compartment door to the case bottom and tighten the screw At...

Page 17: ...Features LCD Display Jaw Opening Auto Ranging Auto Power Off Relative Measurement Diode Test Continuity Buzzer MAX MIN Data Hold Work Light Back Light Low Battery Indicator True RMS Non Contact Volta...

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