ST181 Digital Clamp Meter – 4000 Counts AC Current Clamp, AC/DC Voltage, Resistance, Frequency, Capacitance, Continuity, Backlight
ST181 Digital Clamp Meter
The ST181 is a practical digital clamp meter designed for safe AC current measurement without breaking the circuit. The clamp jaw measures up to 400A AC simply by clamping around a conductor, making it ideal for electrical maintenance, installation checks and troubleshooting in panels or equipment.
In addition to clamp current measurement, the meter functions as a multimeter capable of measuring AC/DC voltage, resistance, frequency, and capacitance, plus continuity testing for wiring verification. Manual range and function selection give you direct control over measurements.
The 4000-count backlit LCD ensures clear readings, while overload protection, data hold, and auto power-off support reliable daily use.
Measures AC current up to 400A safely.
Voltage, resistance, capacitance, frequency.
Function and range selection.
4000-count LCD for visibility.
Specifications
| Parameter | Value |
|---|---|
| Model | ST181 |
| Type | Clamp meter + multimeter |
| Display | 4000 counts LCD with backlight |
| Operating temperature | 0–40 °C |
| Accuracy temperature | 18–28 °C |
| Operating mode | Manual range/function |
| Overload protection | Full range |
| Battery included | No |
| Certification | CE |
| High-concern chemicals | None |
Measurement ranges
| Function | Range |
|---|---|
| AC voltage | 4V / 40V / 400V / 600V |
| DC voltage | 400mV / 4V / 40V / 400V / 600V |
| AC current (clamp) | 40A / 400A |
| Resistance | 400Ω / 4kΩ / 40kΩ / 400kΩ / 4MΩ / 40MΩ |
| Frequency | 10Hz–400kHz / 400kHz–4MHz |
| Capacitance | 4nF / 40nF / 400nF / 4µF / 400µF / 4mF |
Functions and features
| Feature | Supported |
|---|---|
| Continuity test | Yes |
| Data hold | Yes |
| Low battery indicator | Yes |
| Auto power off | Yes |
| Backlight | Yes |
Package contents (without battery)
- 1 × ST181 clamp meter
- 1 × Carrying bag
- 2 × Test probes
- 1 × User manual
- 1 × Retail box