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Risk of danger,important safety information. See 
User’s manual.

WARNING:

Statement identifies conditions and actions that a 
failure to follow the instructions could result in false
readings, damage the meter or the equipment under 
test.

CAUTION: 

Warning Symbols

Introduction

Overview

The MS2601 is a portable, hand-held professional meter 
that measures AC/DC voltage, AC/DC current, resistance, 
capacitance, diodes, continuity, frequency, duty cycle, 
temperature and non-contact voltage. This meter is easy 
to use with one hand, suitable for professional users or 
amateurs, and ideal for school or home use.

Precautions: 

5. Make sure to set the meter to the correct functions and 
    measuring range before taking measurement.
6.Do not use the meter on a circuit where the measuring
    range is over the capable range specified in the user’s 
    manual.
7. Do not touch the tips of the test leads when performing 
    measurement.
8. If the measurement is above 60V DC or 30V AC, make 
    sure to keep fingers behind the barrier and finger guards.
9. Do not use the meter on a circuit if the voltage is above 
     600V.
10. In manual mode, if the value to be measured is 
      unknown, start the meter in the maximum range and
      then adjust accordingly.
11. Remove the leads from the 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 the capacitors 
       are discharged.
14. Do not operate the meter near explosive gas, vapor 
       or dust. 
15. Stop using the meter if the meter or test leads appear 
       damaged or do not function properly. 
16. Do not use the meter unless the battery case is securely 
       fastened to the back of the meter. 
17. Do not expose the meter to direct sunlight, heat, or 
      moisture.

Users must follow 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 the meter to make sure all the 
    components are in good condition. 
3. Check the test leads before operation. Check the test 
    leads for damage to the insulation or wires before use. 
4. Use the original test leads included in the package for 
    best performance and safety.  If necessary, use 
    compatible leads with same specifications as the 
    originals.

WARNING

The special attention should be paid when using the 
meter because the improper usage may cause electric 
shock and damage the meter .The safety measures in 
common safety regulations and operating instruction 
should be complied with when using. In order to make 
fully use of its functions and ensure safe operations 
please comply with the usage in this section carefully.

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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