Uni-T UT18C two-pole voltage and continuity tester

54,50 €
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Product code: 703774-1
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Uni-T UT18C is an advanced two-pole voltage and continuity tester for fast and safe diagnostics of electrical installations. It offers AC/DC voltage measurement, a continuity test, phase sequence checking and polarity detection. Thanks to the combination of an LCD display and LED indication, it provides clear readings even in demanding conditions.
Clear readings thanks to LCD and LED indication

Clear readings thanks to LCD and LED indication

The combination of an LCD display and an LED voltage scale enables quick orientation as well as more precise value checking. The LCD shows voltage in the range 6–690 V and frequency 40–400 Hz.

Wide range of functions for installation and service

Wide range of functions for installation and service

UT18C handles AC/DC measurement, continuity testing (0 Ω to 100 kΩ), polarity detection, phase sequence checking and an RCD test for 230 V.

Rugged and safe design for field work

Rugged and safe design for field work

IP65 protection and the CAT IV 600 V measurement category help when working in harsh environments. There is also a built-in flashlight, silent mode and automatic standby with low power consumption.

The Uni-T UT18C tester is designed for installation and service work where you need to reliably verify the presence of voltage, quickly check conductor continuity, and work safely even in distribution circuits. The instrument indicates voltage using LED levels while also providing a more precise value on the LCD including frequency.

Key benefits and functions:

  • LCD voltage range: 6–690 V (AC/DC) + frequency measurement 40–400 Hz
  • LED level indication: 12 / 24 / 50 / 120 / 230 / 400 / 690 V
  • Continuity test: 0 Ω to 100 kΩ with audible and LED indication
  • Phase sequence test (3-phase): 57–400 V AC, 50–400 Hz
  • RCD test: for 230 V, 50–400 Hz
  • Safety and durability: IP65 protection, CAT IV 600 V category, overvoltage detection 713–788 V
  • Practical features: silent mode, automatic standby, built-in flashlight, low battery indication

The package includes the tester, 2× batteries, and the user manual. Thanks to compact dimensions and low weight, the UT18C is ideal as everyday equipment for electricians, maintenance staff, and technicians.

Specifications

Manufacturer
Uni-T
Model
UT18C
Product type
Voltage and continuity tester
Voltage display
LED and LCD
Voltage range (LED levels)
12 V (8 V ± 1 V), 24 V (18 V ± 2 V), 50 V (38 V ± 4 V), 120 V (94 V ± 8 V), 230 V (180 V ± 14 V), 400 V (325 V ± 15 V), 690 V (562 V ± 24 V)
LCD display
Yes
LCD voltage range
6 V to 690 V
LCD frequency range
40 Hz to 400 Hz
LCD voltage accuracy
±(1.5% + 5)
LCD frequency accuracy
±(3% + 5)
LCD display size
31 mm × 20 mm
Phase rotation test
57 V AC to 400 V AC, 3 phases, 50 Hz to 400 Hz
Single-lead voltage detection (L2)
100 V to 690 V, 50 Hz to 400 Hz
Continuity test
0 Ω to 100 kΩ
Continuity test accuracy
+50%
Continuity test indication
Audible signal and LED
RCD test
230 V, 50 Hz to 400 Hz
Polarity detection
Positive and negative
Self-test
Yes
Off-line test
100 V to 690 V
Overvoltage
713 V to 788 V
Silent mode
Yes
Automatic standby mode
< 10 μA
Flashlight
Yes
Low battery indicator
Approximately 2.5 V
Ingress protection
IP65
Measurement category
CAT IV 600 V
Power supply
2× 1.5 V batteries (R03)
Weight
280 g
Dimensions
272 mm × 85 mm × 31 mm
Color
Red and gray
54,50 €