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09

10

AC Current

TO AVOID ELECTRICAL SHOCK AND INJURY, 
PLEASE REMOVE TEST LEADS BEFORE MAKING 
CURRENT MEASUREMENTS.

WARNING:

1.Turn the rotary switch to the current position.
2.Insert the conductor to be measured inside the fork.
3.Read the measured current value on the display. 

Note:

• Measuring two or more conductors will cancel out 
   readings. Only measure one conductor at a time.
• For best results, keep the conductor in the middle of the 
   clamp.
• “     ”indicates the maximum input AC Current is 200A AC 
   RMS.

AC/DC Voltage

USE CAUTION WHEN MEASUREING HIGH VOLTAGE 
CIRCUITS TO AVOID ELECTRICAL SHOCK AND 
INJURY. DO NOT MEASURE INPUT VOLTAGES 
HIGHER THEN 600V AC/DC.

WARNING:

1.Insert the black test lead into “

COM”

 jack and red test 

   lead into “

INPUT” 

jack.

2.Turn the rotary switch to the 

V

     The default mode is DC 

   voltage; press “

FUNC

” to switch to AC voltage if 

   necessary; press “

FUNC

” to switch back to DC voltage.

3.Connect the test leads across the voltage source or load.
4.Read the measured voltage value on the display. 

DC Micro Amp Current (µA)

1.Insert the black test lead into “

COM”

 jack and red test 

    lead into “

INPUT” 

jack.

2.Turn the rotary switch to the µA position.
3.Connect the test leads in series to the circuit to be 
    tested.
4.Read the measured current value on the display.

Note:

• “     ”indicates the maximum input DC Current is 1000µA 
   DC.

Note:

• When measuring small voltage sources, the display will 
  show unsteady readings until the leads are connected to 
  the circuit. This is normal due to the high sensitivity of the 
  meter. The meter will display the correct reading once the 
  leads are connected to the circuit.

 

“     ”indicates the maximum input voltage is 

  1000V DC/ 750V AC.

Summary of Contents for MS2601

Page 1: ...MS2601 Electrical Tester User s Manual CAT III 600 V 600V CAT III Hz A V Loz A Temp FUNC RAN Hz NCV MS2601 ELECTRICALTESTER 600V CAT III COM MAX 200A Temp A...

Page 2: ...ode 7 Backlight and worklight 8 Auto Power Off 8 Measurement Preparation 8 AC Current 9 Switching Between Functions 7 AC DC Voltage 10 Resistance 11 Diodes 12 Continuity 11 Capacitance 12 Non Contact...

Page 3: ...ument to Mastech no service will be provided without a return authorization The user is responsible for properly packing the unit and charges such as shipping freight and insurance charges The extent...

Page 4: ...e circuit first before switching between functions 12 Disconnect power and discharge all capacitors before measuring resistance capacitance continuity or diodes 13 Do not measure capacitance before th...

Page 5: ...een functions RAN button to switch to manual range button to hold the reading or to turn on backlight Hz button to switch between frequency and duty cycle NCV button to activate non contact voltage de...

Page 6: ...t automatically turns off To turn off the backlight manually hold again When the meter is in current mode turning on the backlight will also activate the worklight making it easier to use the clamp in...

Page 7: ...into INPUT jack 2 Turn the rotary switch to the V The default mode is DC voltage press FUNC to switch to AC voltage if necessary press FUNC to switch back to DC voltage 3 Connect the test leads across...

Page 8: ...istance is less than 50 the meter s buzzer will sound Note If the resistance is higher than 60M or the leads are disconnected the display shows OL Capacitance TO AVOID ELECTRICAL SHOCK AND INJURY TURN...

Page 9: ...lead into INPUT jack 2 Turn the rotary switch to the position Press FUNC to switch to AC voltage 3 Press Hz button to measure frequency 4 Press Hz again to measure duty if necessary 5 Connect the test...

Page 10: ...ault mode is F press FUNC to switch to C if necessary press FUNC to switch back to F 3 Touch the tip of the thermocouple to the object to be tested 4 Read the measured temperature value on the display...

Page 11: ...true reading will be shown 600mV 0 1mV 1000 A AC Voltage 0 8 reading 3 digits Range Resolution Accuracy 6V 0 001V 60V 0 01V 600V 0 1V Input impedance 10M Maximum input voltage 600V DC AC rms Frequency...

Page 12: ...measured resistance is less than 50 0 1 Description Function Resolution Continuity Over voltage protection 250V DC AC rms Diodes Displays forward biased voltage drop 0 001V Description Function Resolu...

Page 13: ...meter or personal injury To avoid electrical shock remove test leads from input jacks before cleaning To avoid false readings that could lead to possible electric shock replace the batteries as soon...

Page 14: ...electric shock make sure the probes are disconnected from the measured circuit before removingthe rear cover Make sure the rear cover is tightly screwed before using the instrument Warning Out of the...

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