The Geek Vape 521 Tab Pro Multi-Functional Ohm Reader is the third generation of the 521 Tab series from Geek Vape, integrating an intuitive rotatable 510 connector for an ergonomic ability to test fire alongside precise resistance detection test.



  • Rated voltage supply: 3.2 - 4.2V
  • Rated power output: 50W
  • Maximum voltage output: 9V±0.1V
  • Power output mode: automatic power
  • Resistance detection range: 0.05ohm - 3ohm
  • Resistance deteciton accuracy: 0.02ohm
  • Low battery voltage warning: 3.2V ±0.1V
  • PCBA temperature warning: 85'C
  • Rated resistance range: 0.1ohm - 3ohm
  • Maximum output duration: 10 seconds
  • Charging specification: 5V 1A
  • Battery: single 18650 lithium battery (not included)
  • Red LED indicates battery status/ Blue LED indicates working status

Geekvape 521 Tab Pro Resistance Tester Ohm meter

  • Safety Protection:
    Reverse battery protection
    Low-voltage protection
    Short circuit protection
    Breaker protection
    Low resistance protection
    High temperature protection

    Note: The atomizer deck with wire showed in the picture is not included.


    Product Details

    Type: Electronic Cigarettes Accessories 
    Brand: Geekvape 
    Accessories type: Ohmmeters 
    Material: ABS

    Dimension and Weight

    Product weight: 0.150KG 
    Package weight: 0.300 KG 
    Product size (L x W x H): 9.360 x 7.540 x 2.470 cm / 3.685 x 2.968 x 0.972 inches 
    Package size (L x W x H): 10.000 x 8.000 x 3.600 cm / 3.937 x 3.15 x 1.417 inches

    Package Contents

    Package Contents: 1 x Geekvape 521 Tab Ohmete