Description
TCM-45E AC/DC Digital Clamp Tester
The TCM-45E AC/DC Digital Clamp Tester is a True RMS current measuring instrument designed for measurements in confined spaces and areas with densely arranged cables. Unlike conventional clamp meters with sideways-opening jaws, the TCM-45E features a vertically opening and closing CT mechanism, allowing easier access to conductors where conventional clamps are difficult to position.
The tester supports both AC and DC current measurements with selectable 10 A and 100 A ranges and a minimum resolution of 0.001 A. Its 45 mm CT inner diameter accommodates insulated conductors, while True RMS measurement provides accurate AC readings even with distorted waveforms. Additional functions include data hold, one-push zero adjustment, and automatic power-off.

Accuracy Specifications
| Function | Range | Measuring Range | Resolution | Accuracy |
|---|---|---|---|---|
| DC Current (DCA) | 10 A | 0.004 to 9.999 A | 0.001 A | ±1.5% rdg ± 5 dgt |
| 100 A | 0.04 to 99.99 A | 0.01 A | ±2.0% rdg ± 5 dgt | |
| AC Current (ACA) | 10 A | 0.001 to 9.999 A | 0.001 A | ±1.5% rdg ± 10 dgt |
| 100 A | 0.01 to 99.99 A | 0.01 A | ±2.0% rdg ± 10 dgt |
| Specification | Description |
|---|---|
| Other Functions | Overrange display function |
| Data hold function | |
| One-push zero adjustment function | |
| Auto power-off function | |
| Battery voltage drop display function |
Key Features –TCM-45E AC/DC Digital Clamp Tester
- Vertical CT Opening Mechanism: Enables current measurement in confined spaces and densely arranged cables.
- AC/DC Current Measurement: Selectable 10 A and 100 A measurement ranges for both AC and DC.
- True RMS Measurement: Provides accurate AC current readings even with distorted waveforms.
- 45 mm CT Inner Diameter: Accommodates insulated conductors within the specified opening.
- High Measurement Resolution: Minimum resolution of 0.001 A, with one-push zero adjustment and data hold functions.
Documents
Catalog: TCM-45E leaflet-e.pdf
Instruction Manual: e_ma_TCM-45E.pdf
Additional Information
Range: |
DC:10A/100A || AC:10A/100A |
Min resolution: |
0.001A |
Accuracy: |
See accuracy specifications in description tab |
Jaw opening capability: |
φ45mm |
AC Conversion: |
True rms responding |
Limitation of circuit voltage: |
Less than AC/DC 500V(Only available insulated cable) |
Safety standard: |
IEC 61010-1, IEC 61010-2-032 Installation Categoryâ…¢300V |
Power supply: |
alkaline AAA battery x3 |
Size: |
W82×H437×D46.6mm |