ANENG ST181 Smart Digital Clamp Meter
The ANENG ST181 is a professional digital clamp meter designed for electricians, technicians, and DIY users who require accurate and efficient electrical measurements.
With AC current measurement, voltage testing, resistance, capacitance, frequency measurement, NCV detection, and continuity testing, the ST181 provides a complete solution for everyday electrical troubleshooting and maintenance.


Multiple Measurement Functions in One Professional Tool
The ST181 combines multiple electrical measurement modes into one compact clamp meter, helping users diagnose circuits faster and work more efficiently.
400A AC Current Measurement
Measure alternating current up to 400A without disconnecting wires, making electrical testing faster and safer.
Multi-function Electrical Testing
Supports DC voltage, AC voltage, resistance, capacitance, frequency, diode testing and continuity checking.
4000-count Digital Display
The high-resolution LCD screen provides clear readings and improved measurement visibility.
NCV Voltage Detection
Detect AC voltage presence without direct contact for safer electrical inspection.
Data Hold Function
Freeze measurement values on the display for easier recording and analysis.

Designed for Professional Electrical Applications
The ANENG ST181 is built for a wide range of electrical testing environments, from daily maintenance to professional troubleshooting.
Electrical Maintenance
Check circuits, wiring systems and electrical equipment.
Home Repair
Suitable for household electrical inspection and repairs.
Automotive Testing
Measure electrical parameters in vehicle systems.
Workshop Applications
A reliable testing tool for technicians and engineers.

Reliable Design for Accurate Measurements
The ST181 combines practical features with professional measurement capability to improve efficiency and user confidence.
Clamp Measurement Design
Measure AC current without cutting or disconnecting wires.
Durable Test Leads
Premium PVC insulated cables with brass connectors provide reliable conductivity and durability.
Backlit LCD Display
Clear readings are available even in low-light environments.
Auto Power Off
Automatically turns off after 10 minutes of inactivity to save battery life.

Technical Specifications
| Specification | Details |
|---|---|
| Model | ANENG ST181 |
| Product Type | Digital Clamp Meter |
| DC Voltage | 400mV~600V |
| AC Voltage | 4V~600V |
| AC Current | 40A~400A |
| Resistance | 400Ω~40MΩ |
| Capacitance | 4nF~4mF |
| Frequency | 4Hz~4MHz |
| Display | LCD 4000 Counts |
| Functions | Voltage, Current, Resistance, Capacitance, Frequency, Diode, NCV |
| Power Supply | 2 × AAA Batteries |
| Auto Power Off | 10 Minutes |
| Weight | 295g |

What's Included
1 × ANENG ST181 Digital Clamp Meter
1 × Test Lead Set
1 × User Manual
1 × Carrying Bag
1 × Retail Packaging Box