Klein Tools MM300 Instruction Manual
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Klein Tools MM300 Instruction Manual

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ENGLISH
INSTRUCTION MANUAL
Manual-Ranging
Digital Multimeter
• DATA HOLD
• AUDIBLE
CONTINUITY
• BATTERY TEST
• DIODE TEST
10A
Ω
2M
ESPAÑOL
pg. 13
FRANÇAIS
pg. 25
MM300-1390109ART.indd 1
Dwg Name: MM300-1390109ART
Dwg No: 1390109
ECO No: 20617
Pkg Dwg Ref: 1290186
Color Reference: N/A
MM300
Rev: E
9/21/2015 2:48:00 PM

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Do you have a question about the MM300 and is the answer not in the manual?

Questions and answers

Munoz Hector J.
May 19, 2025

Need to measure uf (micro farads)

0
1 comments:
Mr. Anderson
May 23, 2025

The Klein Tools MM300 does not support measuring microfarads (capacitance).

This answer is automatically generated

0
Pete Bratten
June 16, 2025

I just want to find a hot wire. What setting do I use on the dial?

0
Munoz Hector J.
May 19, 2025

How can I measure uf (microfarads) with the MM300 multimeter?

0

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Summary of Contents for Klein Tools MM300

  • Page 1 • DATA HOLD • AUDIBLE CONTINUITY • BATTERY TEST • DIODE TEST Ω ESPAÑOL pg. 13 FRANÇAIS pg. 25 MM300-1390109ART.indd 1 9/21/2015 2:48:00 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

  • Page 2: General Specifications

    ENGLISH GENERAL SPECIFICATIONS Klein Tools MM300 is a manual ranging multimeter that measures AC/DC voltage, DC current, and resistance. It can also test batteries, diodes, and continuity. • Operating Altitude: 6562 ft. (2000m) • Relative Humidity: <80% non-condensing • Operating Temp: 32°F to 104°F (0°F to 40°C) •...

  • Page 3: Electrical Specifications

    600V RMS in all settings • Polarity: "-" on display indicates negative polarity • Display: 3 ½ digit, 2000 Count LCD MM300-1390109ART.indd 3 9/21/2015 2:48:00 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186...

  • Page 4: Symbols On Meter

    SYMBOLS ON LCD Data Hold Audible Continuity Diode Low Battery Dangerous levels MM300-1390109ART.indd 4 9/21/2015 2:48:01 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

  • Page 5: Product View

    2000 count LCD display Function selector switch "10A" jack "COM" jack "VΩ" jack "HOLD" (Data Hold) button MM300-1390109ART.indd 5 9/21/2015 2:48:01 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...
  • Page 6 Take care not to lose the shields. is normal. By touching the test le .7" (18 mm) the meter wil NOTE: MM300-1390109ART.indd 6 9/21/2015 2:48:03 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

  • Page 7: Ac/Dc Voltage

    NOTE: Do not attempt to measure more than 600V or 200mA. Black lead Red lead MM300-1390109ART.indd 7 9/21/2015 2:48:03 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

  • Page 8: Dc Current 200Ma To 10A

    When measuring currents greater than 6A, a measurement time of 30 seconds followed by 10 minutes of recovery time is recommended. MM300-1390109ART.indd 8 9/21/2015 2:48:04 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186...

  • Page 9: Resistance Measurements

    If circuit is open, display will show "OL". Black lead Red lead DO NOT attempt to measure continuity on a live circuit. MM300-1390109ART.indd 9 9/21/2015 2:48:05 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

  • Page 10: Diode/Battery Test

    Press Data Hold button to hold the measurement on the display. Press again to release the display and return to live measuring. MM300-1390109ART.indd 10 9/21/2015 2:48:06 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186...

  • Page 11: Maintenance

    200mA/600V 10A/600V fast-blow fuse fast-blow fuse (Klein Cat. No. 69031) (Klein Cat. No. 69032) MM300-1390109ART.indd 11 9/21/2015 2:48:08 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

  • Page 12: Warranty

    CUSTOMER SERVICE KLEIN TOOLS, INC. 450 Bond Street Lincolnshire, IL 60069 1-877-775-5346 customerservice@kleintools.com www.kleintools.com MM300-1390109ART.indd 12 9/21/2015 2:48:08 PM Dwg Name: MM300-1390109ART Dwg No: 1390109 ECO No: 20617 Rev: E Pkg Dwg Ref: 1290186 Color Reference: N/A...

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