The Klein Tools MM1300 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: 6572 ft / 2000m
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
Sampling Frequency: 3 samples per second
Dimensions: 7” x 3.5” x 1.875”
Calibration: Accurate for one year
CAT Rating: CAT III 1000V, CAT IV 600V
Accuracy: ± (% of reading + # of least signifi cant digits)
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
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
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.
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AC Alternating Current Warning or Caution
DC Direct Current Dangerous levels
DC/AC Voltage or Current Double Insulated Class II
Ground AC Source
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