Auto-Ranging Digital Multi-Tester with Standard/GFCI Receptacle Tester


  • Digital multimeter is auto-ranging and measures AC/DC voltage, resistance, audible continuity, and performs 9V and 1.5V battery tests
  • Detects and identifies common wiring faults in standard and GFCI electrical outlets
  • Inspects GFCI devices, including time to trip the device
  • FIND mode indicates which breaker corresponds to a given receptacle
  • Features include backlit display, data hold, default to auto-range with option for manual-range; max/min
  • Receptacle test is designed for use with North American 120V AC 3-wire electrical outlets
  • Built to withstand a 6.6-Foot (2 m) drop, this meter is designed to be durable and reliable even in demanding working environments
  • Digital Multimeter comes with test leads, receptacle test cord, instructions, batteries, all in a convenient storage pouch

Klein Tools' ET270 is an auto-ranging digital multi-tester that measures AC/DC voltage, resistance, continuity, and performs a battery test. It also tests wiring conditions in standard 120VAC and GFCI electrical receptacles and inspects North American GFCI devices. Comes with Right-Angle Test Leads, Receptacle Test Cord, Instructions, and all required batteries.

Digital Multimeter and GFCI Receptacle Tester
Testing and Measuring Voltage; Detects and Identifies Common Wiring Problems in GFCI Receptacles
Special Features:
Data Hold; Auto-Range with Option for Manual-Range; Min/Max Values; Backlight
ABS and Electrical Components
2 x AAA
Drop Protection:
6.6' (2 m)
4000 Count LCD
Orange/ Black
AC/DC Voltage; Resistance; Continuity; Battery Test; Finds Breaker to Corresponding Receptacle; Shows Amount of Time it Takes to Trip GFCI; Detects and Identifies Common Wiring Problems in GFCI Receptacles
600V AC/DC
50 to 60Hz
Ohms (Resistance):
CAT III 600V, Class 2, Double insulation
65°F to 83°F (18°C to 28°C): +/- (% of Reading + Number of Least Significant Digits)
Digital Multimeter; Right-Angle Test Leads; Receptacle Test Cord; Batteries; User Manual; Storage Pouch
Overall Length:
6.41'' (16.3 cm)
Overall Height:
1.84'' (4.5 cm)
Overall Width:
3.13'' (7.9 cm)
1.32 lb (0.6 kg)
Additional Information
  • Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use.
  • Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged.
  • Before each use verify meter operation by measuring a known voltage or current.
  • Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed.