• Pocket Voltage And Continuity Testers 12V-690V LED AC/DC Voltage Indication Auto Range Voltmeter Voltage Tester
  • Pocket Voltage And Continuity Testers 12V-690V LED AC/DC Voltage Indication Auto Range Voltmeter Voltage Tester
  • Pocket Voltage And Continuity Testers 12V-690V LED AC/DC Voltage Indication Auto Range Voltmeter Voltage Tester
  • Pocket Voltage And Continuity Testers 12V-690V LED AC/DC Voltage Indication Auto Range Voltmeter Voltage Tester
Pocket Voltage And Continuity Testers 12V-690V LED AC/DC Voltage Indication Auto Range Voltmeter Voltage Tester
$36.00
Model
VCT-562
VCT-325
VCT-180
VCT-94
VCT-38
VCT-18
VCT-8
Basic info
Brand Wone
Model NO. UT18C Pocket Voltage And Continuity Testers 12V-690V LED AC/DC Voltage Indication Auto Range Voltmeter Voltage Tester
Frequency range 50Hz~400Hz
Voltage range 562V±24V
Series VCT18C
Product Detail

Feature

Certifications: CE, UKCA, cETLus

  •  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

image.png

image.png

image.png

image.png

How does a voltage and continuity tester transmit signals?

  • Probe Contact:Voltage Measurement: Touch the red probe (positive) to the positive terminal of the circuit under test, and the black probe (negative) to the negative terminal or ground.

  • Continuity Test: Touch the two probes to two points in the circuit to check if there is conduction between these two points.

  • Signal Conduction:Voltage Signal: When the probe contacts the point under test in the circuit, the tester's internal circuit conducts the voltage signal from the circuit through the probe.

  • Resistance Signal: During a continuity test, the tester's internal circuit conducts the resistance signal between the two points in the circuit through the probes.







Know your supplier
Wone
Main Categories
High voltage/Low voltage/Wire cable/Instrument meters/New energy/Tester/Production equipment/Generator/Electrical fittings/Integrated Electrical Equipment
Business Type
Design/Manufacture/Sales
Highest Annual Export (USD)
$50,000,000
Professional Experience
1 years
Workplace
65666m²m²
占位
占位
Related Products
Related Knowledges
Failure Analysis and Design Optimization of Conventional Grounding Transformers
Failure Analysis and Design Optimization of Conventional Grounding Transformers
I. Core Cause of Damage: Electrodynamic Impact (Complying with GB/T 1094.5 / IEC 60076-5)The direct cause of high-voltage winding end collapse is the instantaneous electrodynamic impact induced by short-circuit current. When a single-phase grounding fault occurs in the system (such as lightning overvoltage, insulation breakdown, etc.), the grounding transformer, as the fault current path, withstands high-amplitude and steep-rise-rate short-circuit currents. According to Ampère's force law
Felix Spark
06/12/2025
Analysis of Grounding Transformer Operational Behavior Under System Single-Phase-to-Ground Fault Conditions
Analysis of Grounding Transformer Operational Behavior Under System Single-Phase-to-Ground Fault Conditions
1 Theoretical AnalysisIn distribution networks, grounding transformers serve two key roles: powering low - voltage loads and connecting arc - suppression coils at neutrals for grounding protection. Grounding faults, the most common distribution network fault, heavily impact transformers’ operating characteristics, causing sharp changes in electromagnetic parameters and status.To study transformers’ dynamic behaviors under single - phase grounding faults, build this model: Assume a tr
Felix Spark
06/12/2025
Design Calculations for Neutral Grounding Schemes and Grounding Transformer Sizing in Utility-Scale Solar PV Plants
Design Calculations for Neutral Grounding Schemes and Grounding Transformer Sizing in Utility-Scale Solar PV Plants
1 Classification of Neutral Grounding Methods for Solar Photovoltaic Power StationsInfluenced by differences in voltage levels and grid structures across regions, the neutral grounding methods of power systems are mainly categorized into non-effective grounding and effective grounding. Non-effective grounding includes neutral grounding via arc suppression coils and neutral ungrounded systems, while effective grounding comprises neutral solid grounding and neutral grounding via resistors. The sel
Dyson
06/12/2025
Zero-Sequence Impedance Characterization of Dry-Type Grounding Transformer with ZN Connection
Zero-Sequence Impedance Characterization of Dry-Type Grounding Transformer with ZN Connection
In a neutral-insulated three-phase power system, an earthing transformer provides an artificial neutral point, which can be solidly earthed or earthed via reactors/arc suppression coils. The ZNyn11 connection is typical, where zero-sequence magnetomotive forces in the inner/outer half-windings of the same core column cancel out, balancing fault currents in series windings and minimizing zero-sequence leakage flux/impedance.Zero-sequence impedance is critical: it determines fault current magnitud
Dyson
06/12/2025
Case Analysis on Maloperation of Grounding Transformer Overcurrent Protection Relay
Case Analysis on Maloperation of Grounding Transformer Overcurrent Protection Relay
The neutral grounding mode refers to the connection between the power system neutral point and ground. In China's 35 kV and below systems, common methods include ungrounded neutral, arc-suppression coil grounding, and small-resistance grounding. The ungrounded mode is widely used as it allows short-term operation during single-phase grounding faults, while small-resistance grounding has become mainstream for its fast fault removal and overvoltage limitation. Many substations install grounding tr
Felix Spark
06/12/2025
Discussion on the Design of Low Zero-Sequence Impedance Grounding Transformers
Discussion on the Design of Low Zero-Sequence Impedance Grounding Transformers
With the expansion of power system scale and the cableization process of urban power grids, the capacitive current in 6kV/10kV/35kV power grids has significantly increased (generally exceeding 10A). As power grids at this voltage level mostly adopt neutral ungrounded operation mode, and the distribution voltage side of main transformers is usually in delta connection, lacking a natural grounding point, the arc during ground faults cannot be reliably extinguished, necessitating the introduction o
Dyson
06/11/2025
×
Inquiry
Download
Experts Electrical is dedicated to serving the personnel in the global power industry.
Join Experts Electrical, not only can you discover power equipment and power knowledge, but also canhnd like - minded friends!
商品视频播放