Major Tech 1000A ACDC TRMS Clamp Meter with Bluetooth
MT777 Web 1

The MT777 1000A AC/DC TRMS Clamp Meter with Bluetooth has a 6000 count TFT colour display and provides fast sampling time with high accuracy. The meter offers peak hold, 100ms Inrush current, low input impedance and a low pass filter for accurate measurements of VFD signals with a convenient non-contact voltage function. The MT777 has Bluetooth 4.0 technology that can transfer readings to an IOS or Android Device.


  • Measures AC/DC Current up to 1000A
  • Measures AC/DC Voltage up to 1000V
  • Resistance to 60MΩ
  • Temperature measurement to 1000°C
  • Inrush Current
  • 33mm clamp jaw opening
  • VFD (Variable Frequency Drive)
  • Non-Contact Voltage
  • 6000 Count
  • TFT Colour Display
  • Bluetooth 4.0
  • Trend Capture
  • Data Logger
  • Data Hold & Peak Hold function
  • Diode Check & Continuity Buzzer
  • Backlight
  • Flashlight
  • CAT IV 600VC and CAT III 1000V


  • Soft Carrying Case
  • HDT1282 Comfigrib Test Set
  • MT660 Wire Probe (-20° to 250°C)
  • MT802 K-Type Adaptor
  • 1.5V AAA Batteries
  • Instruction Manual
  • HDT3914 Crocodile Clips

Bluetooth Connect:

  1. Turn on the Bluetooth function on the instrument using Menu Button
  2. Turn on the Bluetooth of the Smartphone, press the Meterbox Pro icon and enter into the home interface. Then press Connect Device icon on the home interface, Bluetooth device name will appear.
  3. Touch the device name listed in Bluetooth devices list to connect the meter.

Detailed information about Meterbox Pro available on the APP help file.

Meterbox Pro for Android:
Please search in Google Play with keywords Meterbox Pro, download and run

Meterbox Pro for IOS:
Please search in the Apple Store with keywords Meterbox Pro, download and run

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Code Cat# AC/DC Current AC/DC Voltage Tests Features
MT777BT MT777 1000A 1000V Temperature, Continuity, Diode Test, Non-Contact Voltage Flash Light, Low Battery Indicator, LCD Display
(No drawing available)

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