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ENGLISH

MM2300

Instruction Manual

GENERAL SPECIFICATIONS

The Klein Tools MM2300 is a True RMS, auto-ranging multimeter. 

It measures AC/DC voltage, low impedance voltage, AC/DC current, 

resistance, capacitance, frequency, duty cycle, and temperature. It can also 

test diodes and continuity.

• 

Operating Altitude: 6572 ft / 2000m

• 

Relative Humidity: <75%

• 

Operating Temperature: O°C/32°F to 50°C/122°F

• 

Storage temperature: -20°C/ -4°F to 60°C/140°F<80% R.H.

• 

Accuracy Temperature: 18°C/64°F to 28°C/82°F

• 

Temperature Coeffi cient: 0.1*(specifi ed accuracy)/ °C

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Sampling Frequency: 3 samples per second

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Dimensions: 7” x 3.5” x 1.875”

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Weight: 14 oz.

• 

Calibration: Accurate for one year

• 

CAT Rating: CAT III 1000V, CAT IV 600V

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Accuracy: ± (% of r # of least signifi cant digits)

 WARNINGS 

To ensure safe operation and service of the tester, follow these instructions. 

Failure to observe theses warnings can result in severe injury or death.

•  Before each use, verify meter operation by measuring a known 

voltage or current.

•  Never use the meter on a circuit with voltages that exceed the 

category based rating of this meter.

•  Do not use the meter during electrical storms, or in wet weather.
•  Do not use the meter or test leads if they appear to be damaged.
•  Ensure meter leads are fully seated, and keep fi ngers away from the 

metal probe contacts when making measurements. 

•  Do not open the meter to replace batteries or fuses while the probes 

are connected.

•  Use caution when working with voltages above 60V DC, or 25V AC 

RMS. Such voltages pose a shock hazard.

•  To avoid false readings that can lead to electrical shock, replace 

batteries if a low battery indicator appears.

•  Unless measuring voltage or current, shut off and lock out power 

before measuring resistance or capacitance.

•  Always adhere to local and national safety codes. Use individual 

protective equipment to prevent shock and arc blast injury where 

hazardous live conductors are exposed.

SYMBOLS

~

AC Alternating Current

Warning or Caution

DC Direct Current

Dangerous levels

DC/AC Voltage or Current

Double Insulated Class II

Ground

AC Source

Test Equipment Depot - 800.517.8431 

99 Washington Street Melrose, MA 02176 

TestEquipmentDepot.com 

Summary of Contents for MM2300

Page 1: ...1 8 5 7 MM2300 TRMS BACKLIGHT BAR GRAPH LEAD HOLDER MAX MIN 3 5 6 DIGIT 6000 COUNT LCD AUTO MANUAL RANGE AUTO HOLD HOLD Apo AUTO RANGE TRMS A HOLD 99 Washington Street Melrose MA 02176 Phone 781 665...

Page 2: ...Never use the meter on a circuit with voltages that exceed the category based rating of this meter Do not use the meter during electrical storms or in wet weather Do not use the meter or test leads i...

Page 3: ...return to live reading H Auto Manual Range Press repeatedly to cycle through manual ranges Press for 2 seconds to return to auto ranging mode AT is displayed on LCD only during auto ranging mode I Ma...

Page 4: ...digital display The scale of the bar graph is zero to the maximum reading of the selected range FUNCTION INSTRUCTIONS 1 AC Voltage 1000V Low Z 600V Features MAX MIN RANGE HOLD REL Do not attempt to m...

Page 5: ...HOLD Display shows Forward voltage drop if forward biased O L if reverse biased AUTO HOLD MAX MIN RANGE HOLD REL Resistance Features Do not measure resistance on a live circuit 60M AUTO HOLD HOLD REL...

Page 6: ...eatures Testing Fuse When selecting uA or mA A functions the meter will indicate LEAd if the test leads are not properly connected to the meter Note This message remaining on the screen after properly...

Page 7: ...verload Protection 600V RMS Capacitance Measurement Range Resolution Accuracy 60nF 0 01nF 3 5 6 digits 600nF 6000 F 0 1nF 1 F Overload Protection 600V RMS Frequency Measurement Range Resolution Accura...

Page 8: ...it DISPOSAL RECYCLE Caution This symbol indicates that equipment and its accessories shall be subject to a separate collection and correct disposal Rev A 01 27 12 139716 SYMBOLS USED ON LCD AC Measure...

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