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Multimeter buying guide

General Tools DMM30 8-Function Digital Multimeter with NCV Detection

General Tools DMM30
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General Tools, DMM30 8-Function Digital Multimeter with NCV Detection


  • 8 functions, 21 ranges
  • Measures AC/DC voltage, DC current and resistance
  • Also checks continuity, diode integrity and battery voltage
  • Non-contact voltage (NCV) detection
  • ETL certified safe for CAT II 600V use
  • Jumbo 3-1/2 digit (2000 count) LCD with 7/8 in. (22mm) high digits
  • Low battery indication
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Product Information

Ideal for making basic electrical measurements safely. 8 function digital multimeter with NCV detection. Measures AC/DC voltage, DC current and resistance. Also checks continuity, diode integrity and battery voltage.

What's In The Box

  • Meter
  • Double-insulated Test Leads
  • Battery
  • User’s Manual


AC/DC Voltage Range / Accuracy 0 to 600V / ±1.0%
DC Current Range / Accuracy 0 to 10A / ±0.8% typical
Resistance Range / Accuracy 0 to 2MΩ / ±0.8%
Max Resolutions 0.1mV, 1µA, 0.1Ω
Display 3-1/2 digit (1999 count) LCD
Dimensions 7.40 x 3.66 x 1.97 in. (188 x 93 x 50mm)
Weight (including battery) 13.4 oz. (380g)
Power Source "9V" battery (included)

General Tools DMM30 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Multimeters Template

Measures AC VYes
Measures DC VYes
Measures DC AYes
Maximum Voltage AC600 V
Minimum Voltage AC0 mV
Resolution AC Volts0.1 mV
Maximum Voltage DC600 V
Minimum Voltage DC0 mV
Resolution DC Volts0.1 mV
Maximum Current DC10 A
Minimum Current DC0 mA
Resolution DC Current1 uA (0.001 mA)
Basic Accuracy V DC±1.0%
# Digit Display What's This?3.5
Counts What's This?2000 .
CAT Rating What's This?II
CAT Voltage What's This?600 V

Test Equipment General Attributes

Unique Features8 functions, 21 ranges
Warranty3 YEARS 
Power Supply VoltageBattery Powered
Safety ApprovalETL
Product Weight380 GRAMS (0.838 LBS)
Battery Type9v
Country of OriginUnited States


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