AC Current Probe (411)
$2,056.94
Precision AC Current Measurement—Built for Utility Testing
The TESCO AC Current Probe (Catalog No. 411) is a high-accuracy Hall Effect measurement tool designed for meter shop, substation, and field environments. Ideal for applications that require safe, isolated AC current measurement, this probe expands the capabilities of the TESCO CT Ratio/Burden Tester (Catalog No. 1047).
Available as a standalone probe or with ISO 17025 calibration certification.
Description
TESCO’s AC Current Probe (Catalog No. 411) hook-style jaws fit large conductors and bus bars, while built-in features like auto-zero and automatic power-off ensure both convenience and battery efficiency. Available in two jaw styles, the 411 offers flexibility for various conductor sizes and configurations.
CE Mark compliance, double insulation, and a 600V CAT III rating make it a trusted tool for professional metering technicians.
Key Features
- Measurement range: 0.2 to 600A AC
- 10mV/A output for up to 60A; 1mV/A output for up to 600A
- Hook-style jaw options for large conductors or bus bars
- Auto-zero button for quick baseline reset
- Automatic power-off after 10 minutes to save battery
- 600V CAT III rating with double insulation
- CE Mark compliant for international safety standards
- Durable design for field, lab, and substation use
Specifications
| Parameter | Value |
|---|---|
| Accuracy (60A Range) | ±1.5% of reading ±0.5A |
| Phase Shift (60A) | ≤3.5° (10–20A), ≤3° (20–40A) |
| Phase Shift (600A) | ≤3° (10–100A), ≤2.5° (100–400A) |
| Overload Rating | 1000A continuous up to 1kHz |
| Jaw Opening | 1.2″ (31mm) |
| Max Conductor Size | One 1.18″ or two 0.95″ cables / 1.2″ × 0.4″ bus bars |
| Dimensions | 8.8″ × 3.82″ × 1.73″ (224 × 97 × 44mm) |
| Weight | 15 oz (440g) |
| Battery | 9V alkaline, approx. 50-hour life |
| Operating Temperature | 14°F to 131°F (–10°C to 55°C) |
| Storage Temperature | –40°F to 176°F (–40°C to 70°C) |
| Output Termination | 5 ft. cable |
Product Documents
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Disclaimer:
TESCO Metering reserves the right to modify product designs, specifications, features, and documentation at any time as part of our continuous improvement process. All information is provided “as is” and may change without prior notice. While TESCO® strives for accuracy, completeness, and technical reliability, customers should verify the latest product details before making purchasing or engineering decisions. For confirmation of current specifications or application suitability, please contact TESCO® directly.