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CUSTOMER SERVICE

KLEIN TOOLS, INC.

450 Bond Street

Lincolnshire, IL 60069

1-877-775-5346

customerservice@kleintools.com

www.kleintools.com

139898 Rev. 11/14 C

139898 Rev. 11/14 C

ENGLISH

•  TRMS

•  AUTO / MANUAL 

RANGE

•  AUTO HOLD

•  MAX / MIN

•  BAR GRAPH

•  BACKLIGHT

•  LEAD HOLDER

•  3-5/6 DIGIT 

6000 COUNT LCD

ENGLISH

ELECTRICAL SPECIFICATIONS

DC Voltage Measurement

Range

Resolution

Accuracy

600mV to 600V

0.1mV to 0.1V

± (0.5% + 4 digits)

1000V

1V

± (0.8% + 10 digits)

Overload Protection:

 1000V   

Input Impedance (Nominal)

: 10MΩ, <100pF

Input Impedance (Low Z)

: 3kΩ, <200pF, up to 600V RMS

AC Voltage Measurement

Range

Resolution

Accuracy 

40Hz to 400Hz

Accuracy 

400Hz to 5kHz

600mV

0.1mV

± (0.75% + 5 digits)

± (2.0% +3 digits)

6V to 600V

1mV to 0.1V 

± (2.0% +3 digits)

1000V

1V

± (0.75% + 8 digits)

± (2.0% +3 digits)*

continued on next page.

Overload Protection:

 1000V RMS 

Input Impedance (Nominal)

:

 10MΩ, <100pF 

Input Impedance (Low Z)

: 3kΩ, <200pF, up to 600V RMS

Frequency Response:

 40 to 5kHz

 Response:

 True RMS

*Accuracy for 400Hz to 1kHz range only.

DC Current Measurement

Range

Resolution

Accuracy

600µA to 400mA

0.1µA to 0.1mA

± (1.0% + 5 digits)

6A to 10A

1mA to 10mA

± (1.5% + 5 digits)

Overload Protection: µAmA: 

F440mA/1000V fuse /

 A Input: 

F11A/1000V fuse

AC Current Measurement

Range

Resolution

Accuracy 

40Hz to 2kHz

600µA to 400mA

0.1µA to 0.1mA

± (1.2% + 5 digits)

6A to 10A

1mA to 10mA

± (1.8% + 5 digits)

Overload Protection: µAmA: 

F440mA/1000V fuse /

 A Input: 

F11A/1000V fuse

Frequency:

 40 to 2kHz 

 

Response:

 True RMS

Resistance Measurement

Range

Resolution

Accuracy

600

Ω

 to 6M

Ω

0.1

Ω

 to 0.001M

Ω

± (1.0% + 5 digits)

60M

Ω

0.01M

Ω

± (1.5% + 10 digits)

Overload Protection:

 600V RMS

Capacitance Measurement

Range

Resolution

Accuracy

60nF

0.01nF

± (3.5% + 6 digits)

600nF to 6000µF

0.1nF to 1µF

Overload Protection: 

600V RMS

Frequency Measurement

Range

Resolution

Accuracy

99.99Hz to 399.9kHz

0.01Hz to 0.1kHz

± (0.1% + 3 digits)

Overload Protection:

 600V RMS 

Sensitivity:

 > 2.5V RMS

Duty Cycle Measurement

Range

Resolution

Accuracy

1.0 to 99.0%

0.1%

± (0.2% per kHz + 0.1% + 5 digits)

Overload Protection:

 600V RMS 

Sensitivity: 

> 2.5V RMS

Frequency Range:

 <10kHz

Diode Test

Overload Protection

Range

Test Current

Open Circuit Voltage

600V RMS

6.0V

Appx. 0.25mA

< 1.8V DC (typ.)

Continuity Test

Overload Protection

Open Circuit Voltage

Threshold (Appx.)

600V RMS

< 0.44V

<40

Ω

Temperature Measurement

Range

Resolution

Accuracy

-50 to 600°C

0.1°C

± (1.0% + 3.0°C)

600 to 1000°C

1°C

± (1.0% + 3.0°C)

-58 to 600°F

0.1°F

± (1.0% + 5.4°F)

600 to 1832°F

1°F

± (1.0% + 5.4°F)

Overload Protection:

 600V RMS 

Thermocouple Accuracy:

 Not specified

Specifications subject to change.

  Do Not apply voltage to thermocouple.

•  -50° to 1000°C (-58° to 1832°F)

8. Temperature: 

Features: 

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 

connecting the test leads is an indication that the fuse is open.

7. 

Frequency (Hz) / Duty Cycle: <500kHz
Features:  

HOLD

6. 

Low Impedance (Low Z): < 600V 

  DO NOT use (LOW Z) mode at voltages greater than 600V.  

•  Press SELECT to choose AC or DC Voltage.
•  Use Low Impedance (LOW Z) mode to reduce ghost voltages
•  See AC/DC Voltage instruction 

 

Capacitance Features:  

HOLD

  Safely discharge capacitor before   

     measurement.

•  Reading may take up to 60 seconds 

for large capacitors.

AUTO HOLD MAX/MIN

REL

HOLD

SYMBOLS USED ON LCD

AC Measurement

DC Measurement

-

Negative DC Value

AT

Auto Range Active

O.L.

Overload: Range Exceeded

Apo

Auto Power-Off Active

Low Battery

HOLD

Hold Active

MIN

Minimum Reading

MAX

Maximum Reading

%

Duty Cycle Mode

Frequency Mode

V

Voltage Measurement

A

Current in Amps

Ω

Resistance in Ohms

Diode Test

F

Capacitance in Farads

Continuity Test

Relative / Zero Mode

n

Nano 10

-9

µ

Micro 10

-6

m

Milli 10

-3

k

Kilo 10

3

M

Mega 10

6

°F

Degrees Fahrenheit

°C

Degrees Celsius

A-HOLD

Auto-Hold Active

LOW 

Z

Low Impedance

WARRANTY

www.kleintools.com/warranty

CLEANING

Clean the instrument by using a damp cloth. Do not use abrasive cleaners

or solvents.
Take care to keep the sensor lens clean at all times. Clean the lens using a soft 

cloth or cotton swab with water or rubbing alcohol only, and allow the lens to 

dry before use.

STORAGE

Remove the batteries when instrument is not in use for a prolonged period of 

time. Do not expose to high temperatures or humidity. After a period of storage 

in extreme conditions exceeding the limits mentioned in the Specifications 

section, allow the instrument to return to normal operating conditions before 

using it.

DISPOSAL / RECYCLE

Do not place equipment and its accessories in the trash. Items 

must be properly disposed of in accordance with local regulations.

1000V

10A

PRESS

PRESS

°F
°C

MM

2300A

INSTRUCTION MANUAL

Electrician’s / HVAC 

TRMS Multimeter

Summary of Contents for MM2300A

Page 1: ...ature Measurement Range Resolution Accuracy 50 to 600 C 0 1 C 1 0 3 0 C 600 to 1000 C 1 C 1 0 3 0 C 58 to 600 F 0 1 F 1 0 5 4 F 600 to 1832 F 1 F 1 0 5 4 F Overload Protection 600V RMS Thermocouple Ac...

Page 2: ...HOLD 0 10 20 30 40 50 60 MM2300 5 1 8 3 4 6 7 2 DO NOT attempt to measure more than 10A Start with this setting if current level is unknown Meter will automatically select A when red lead is connecte...

Page 3: ...ra Rango Resoluci n Precisi n 50 C a 600 C 0 1 C 1 0 3 0 C 600 C a 1000 C 1 C 1 0 3 0 C 58 F a 600 F 0 1 F 1 0 5 4 F 600 F a 1832 F 1 F 1 0 5 4 F Protecci n contra sobrecarga 600 V RMS Precisi n del t...

Page 4: ...m ticamente selecciona A cuando se conecta el cable rojo a la entrada A Aparecer la leyenda LEAd si la unidad est conectada pero el fusible est fundido 3 Corriente CA CD grande 10 A Caracter sticas AU...

Page 5: ...Mesure de la temp rature Plage R solution Pr cision 50 600 C 0 1 C 1 0 3 0 C 600 1000 C 1 C 1 0 3 0 C 58 600 F 0 1 F 1 0 5 4 F 600 1832 F 1 F 1 0 5 4 F Protection contre la surcharge 600 V valeur effi...

Page 6: ...courant c a ou c c 5 R sistance Diode Continuit Capacit AUTO HOLD 0 10 20 30 40 50 60 MM2300 5 1 8 3 4 6 7 2 NE TENTEZ PAS de mesurer des valeurs sup rieures 10 A Si le courant est inconnu d butez la...

Page 7: ...0 bis 1832 F 1 F 1 0 5 4 F berlastungsschutz 600 V RMS Genauigkeit des Thermoelements Nicht angegeben nderungen der technischen Daten vorbehalten Pr fen der Sicherung Bei Auswahl der Funktion A oder m...

Page 8: ...verbunden ist LEAd wird angezeigt falls eine Verbindung besteht aber die Sicherung ge ffnet ist 3 AC DC Strom gro 10 A Funktionen AUTO HOLD MAX MIN RANGE HOLD REL VERSUCHEN SIE NICHT mehr als 1000 V z...

Page 9: ...C 600 tot 1000 C 1 C 1 0 3 0 C 58 tot 600 F 0 1 F 1 0 5 4 F 600 tot 1832 F 1 F 1 0 5 4 F Overspanningsbeveiliging 600V RMS Nauwkeurigheid van thermokoppel Niet opgegeven Specificaties kunnen worden g...

Page 10: ...t NIET meer dan 10A Begin met deze instelling als de stroomsterkte onbekend is De meter selecteert automatisch A als de rode draad is aangesloten op ingang A LEAd wordt weergegeven indien aangesloten...

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