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  • Reduce your risk of shock and arc flash by validating the functionality of test tools without placing yourself in a potentially hazardous electrical environment.
  • Prove functionality of the FieldSense measurement on the T6 electrical testers
  • Source both ac and dc steady-state voltage (supplies 240 V dc/ac).
  • Compatible with high impedance multimeters or clamp meters.
  • Voltage is sourced through a central hub designed to test the T6 FieldSense open fork, as well as through recessed contacts that are activated when test probes are inserted to avoid accidental contact
  • Includes TPAK magnetic hanging strap
  • Long battery life—2000 tests per set of four AA batteries (10 second test average)
  • SAFETY RATING: IEC61010-1, IEC61010-2-030


  • Large display
  • Backlight for work in dim areas
  • Min / Max to record signal fluctuations
  • Ergonomic overmolded housing with integrated probe holders
  • Free your hands with the optional TPAK magnetic hanger
  • Auto and Manual ranging
  • Meets Measurement Category 1000 V CAT III and Category IV 600 V safety standards
The 77 IV replaces the 77. Move up to superior utility and safety today.


  • Performs all five essential lighting tests in under 30 seconds to pinpoint problems and verify operation
  • Survives on-the-job handling—Drop-tested to survive a drop from a six foot (two meter) ladder
  • Delivers quick, easy results with bright indicator light plus audible alert
  • Comes with a three-year warranty


  • Measures:
    • Single, split, or three phase loads
    • Voltage, current, and frequency
    • Active power, non-active power, and power factor
    • Total harmonic distortion
  • Wireless data collection or internal memory sufficient for 1 week with 1 second data intervals
  • Remotely monitor real-time and historical power variable data
  • Visualize data with software trending, graphing, and timeboxing
  • Auto-generated alarms when power variables deviate from pre-set thresholds
  • Power options: Battery, power supply, or power from the measurement line
  • Size: (W x H x D) 7.8 in. x 6.6 in. x 2.2 in.
  • IP Rating: IP 50; IEC 60529


Versatile multimeter for manufacturing, development and service applications
  • 5.5 digit resolution
  • Basic V DC accuracy of 0.015%
  • Dual display
  • Dedicated DC leakage current measurement
  • 2 x 4 ohms 4-wire measurement technique
  • Six dedicated buttons for fast access to instrument setups
  • Hi/Lo limit compare for Pass/Fail testing
  • Three-year warranty