UT18D Voltage and Continuity Tester


UNI-T Brand

1,650.00 EGP 1650.0 EGP 1,650.00 EGP

1,650.00 EGP

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Internal Reference: AVO.UT18D.UNIT

UT18 series are designed for testing AC/DC voltage, 3-phase voltage, phase sequence, continuity, and more. This series is categorized as CAT IV 600V and meets IP65 standard. These voltage testers are perfect tools for electricians to quickly measure voltage levels in all environments. This series should NOT be used with 110V electrical systems.


  • RCD test (Operating voltage: 230V/50Hz~400Hz)
  • Polarity detection: Positive & Negative
  • Self-inspection: All LED or LCD
  • Exceed voltage (voltage range: 713V~788V)
  • Auto standby (standby current < 10μA)
  • Silent mode: All range
  • Work light
  • Low battery indication: around 2.5V
Specifications Range UT18D
Voltage (V) 6V 5V±1V
  12V 8V±1V
  24V 18V±2V
  50V 38V±4V
  120V 94V±8V
  230V 180V±14V
  400V 325V±15V
  690V 562V±24V
Phase rotation test 57Vac~400Vac (3 phase)
  Frequency: 50Hz~400Hz
Single lead (L2) Operating voltage: 100V~690V
voltage detection Frequency: 50Hz~400Hz
Continuity test Resistance: 0Ω~100kΩ (+50% accuracy)
  Beeper and LED light indication
RCD test Operating voltage: 230V (50Hz~400Hz)
Polarity detection Positive & Negative
Self-inspection All LED or LCD
Voltage indication   LCD
Exceed voltage Voltage range: 713V~788V
Auto standby Standby current<10μA
Slient mode All range
Work light  
Low battery indication Around 2.5V
LCD backlight  
LCD display (voltage) 6V~690V ±(1.5%+5)
LCD display (Frequency) 40Hz~400Hz ±(3%+5)
General Characteristics    
Power 1.5V battery (R03)×2  
Display UT18C: 31mm x 20mm; UT18D: 73.5mm x 35.5mm  
Product Color Red and grey  
Product net weight 280g  
Product size (W x H x D) 272mm x 85mm x 31mm  
Standard accessories Batteries  
Standard individual packing Blister, English manual