Klein Tools MM200 Auto-Ranging Digital Multimeter
An Easy-to-Use Multi-Function Electrical Tester
What's special about this electrical multimeter?
- Measures AC/DC voltage, current, resistance, capacitance, frequency, temperature, diode, and signal continuity - the perfect all-in-one solution for electrical workers
- Auto-ranging capability greatly simplifies electrical testing by automatically detecting your desired range of measurement
- Switchable backlit LED with large numbers for easy reading in all environments, including dark areas such as attics, basements, and inside walls
- Ideal for all applications, from hobbies and DIY home repairs to industrial electrical work
- Click for More Features
The MM200 Digital Multimeter is an affordable, professional tester fit for many applications. Auto-ranging capability all but eliminates set-up time, and the built-in stand and backlight ensure that you will always be able to view and record your results in any environment without extra tools. This DMM provides accurate results for hobbyists, repair technicians,, and journeymen alike.
- Includes a detachable thermocouple for measuring temperature, eliminating the need for a separate thermometer
- Available nylon carry pouch keeps the set together and protects from abrasion
- Integrated test lead holsters in the rear of unit for easy cable management
- Removable test leads are easy to replace in the event of damage from an overload, saving on the costs of purchasing an entirely new unit
- Rugged hard plastic construction for durability under the rough conditions of repair shops, construction sites, and remodeling environments
- Integrated stand allows for hands-free operation
- Battery cover screws shut to prevent cover from falling off and getting lost
AC Voltage Measurement
- Overload Protection: 600V RMS
- RMS Frequency: 50 ~ 60Hz
- Input Impedance: > 10MΩ
- Response: Averaging
| Range | Resolution | Accuracy |
| 4V to 600V | 1mV to 1V | ± (1.2% + 5 digits) |
Resistance Measurement
- Overload Protection: 600V RMS
| Range | Resolution | Accuracy |
| 400Ω to 4MΩ | 0.1Ω to 0.001MΩ | ± (0.8% + 4 digits) |
| 40MΩ | 0.01MΩ | ± (1.5% + 4 digits) |
Capacitance Measurement
- Overload Protection: 600V RMS
- 4nF Range: Stated accuracy with film capacitor or better
| Range | Resolution | Accuracy |
| 4nF to 40μF | 0.001nF to 0.01μF | ± (3.0% + 6 digits) |
| 200μF | 0.1μF | ± (4.0% + 6 digits) |
Frequency Measurement
- Overload Protection: 600V RMS
- Sensitivity: 0.7V RMS at 1MHz
| Range | Resolution | Accuracy |
| 9.999Hz to 999.9kHz | 0.001Hz to 0.1kHz | ± (0.5% + 2 digits) |
Temperature Measurement
- Overload Protection: 600V RMS
- Sensor: K-type thermocouple, accuracy not listed
| Range | Resolution | Accuracy |
| -4°F to 32°F (-20°C to 0°C) | 1°F (17.22°C) | ± (5.0% + 2 digits) |
| 32°F to 1,832°F (0°C to 1,000°C) | 1°F (17.22°C) | ± (3.0% + 2 digits) |
Duty Cycle Measurement
- Overload Protection: 600V RMS
- Frequency: 0.5Hz ~ 100kHz (pulsewidth > 2μsec)
| Range | Resolution | Accuracy |
| 0.1% to 99.9% | 0.10% | ± (2% + 5 digits) |
AC/DC Current Measurement
| Range | Resolution | DC Accuracy | AC Accuracy |
| 400μA ~ 400mA | 0.1μA ~ 0.1mA | ± (1.0% + 3 d) | ± (1.2% + 3 d) |
| 10A | 0.01A | ± (3.0% + 5 d) | ± (3.0% + 5 d) |
Overload Protection:
- mA Input: F400mA / 250V fuse
- 10A Input: F10A / 500V fuse
Max Input Current:
- mA Input: 400mA DC / AC RMS
- 10A Input: 10A DC / AC RMS
Diode Test
| Overload Protection | Test Current | Open Circuit Voltage | |
| 600V RMS | Appx. 0.6mA | Appx. < 1.5V DC | |
Continuity Test
| Overload Protection | Open Circuit Voltage |
| 600V RMS | Appx. 0.44V |
Physical
| Operating Altitude | 6560 ft (2000 m) |
|---|---|
| Relative Humidity | 75% max operating |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) < 75% R.H. |
| Storage Temperature | -4°'F to 140°F (-20°C to 60°C) < 80% R.H. |
| Accuracy Temperature | (18°C to 28°C) 64°F to 82°F < 75% R.H. |
| Temperature Coefficient | 0.1*(specified accuracy) / °C |
| Sampling Frequency | 3 samples per second |
| Dimensions | 2.76" W x 1.97" D x 5.91" H (7.01 cm W x 5 cm D x 15.01 cm H) |
| Weight | 8.36 oz. |
| Calibration | Accurate for one year |
| CAT Rating | CAT III 600V |
| Listing | ETL & cETL standard UL 3111-1 listed |
| Pollution Degree | 2 |
| Accuracy | ± (% of reading + # of least significant digits) |
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