Instruction
Manual
ENGLISH
www.kleintools.com
F o r P r o f e s s i o n a l s . . . S i n c e 1 8 5 7
®
MM1000
ENGLISH
• BACKLIGHT
• BAR GRAPH
• LEAD HOLDER
• MAX / MIN
• 3-3/4 DIGIT
3999 COUNT LCD
• DATA HOLD
• AUTO / MANUAL
RANGE
Duty
º
F
º
C
m
COM
m
Temp
REL
RANGE
HOLD
MAX/MIN
SELECT
V
AT
0 10 20 4030
Apo
MM1000
MM1000
Instruction Manual
GENERAL SPECIFICATIONS
The Klein Tools MM1000 is an auto-ranging multimeter. It measures AC/DC
voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and
temperature. It can also test diodes and continuity.
• Operating Altitude: 2000m
• Relative Humidity: < 75%
• Operating Temperature: 0°C / 32°F to 40°C / 104°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 Coefficient: 0.1*(specified accuracy) / °C
• Sampling Frequency: 3 samples per second
• Dimensions: 7" x 3.5" x 1.875"
• Weight: 14oz.
• Calibration: Accurate for one year
• CAT Rating: CAT III 1000V, CAT IV 600V
• Accuracy: ±(% of reading + # of least significant digits)
WARNINGS
To ensure safe operation and service of the tester, follow these instructions.
Failure to observe these 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 fingers away from
the metal probe contacts when making measurements.
• Do not open the meter to replace batteries 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 Double Insulated Class II
DC/AC Voltage or Current AC Source
Ground
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