Introducing the Narda ELT-400 Exposure Level Tester
The Narda ELT-400 Exposure Level Tester is an advanced and user-friendly device tailored for health and safety professionals across various industries. Whether you're in manufacturing, insurance, or service sectors, this exposure level meter accurately measures magnetic fields in both workplace and public environments. Designed with precision in mind, the ELT-400 outperforms traditional measurement methods, making complex analysis straightforward and efficient.
Key Features
- Standard-Compliant Measurement: Ensures compliance with leading safety standards.
- Acceptance Testing: Meets the CE standard IEC / EN 62233 and IEC 62311 Generic standard requirements.
- Real-Time Measurement: Offers RMS and peak-detector capabilities for immediate results.
- Direct Field Exposure Evaluation: Automatically compares your readings to major standards.
- Wide Frequency Range: Capable of measuring from 1 Hz to 400 kHz.
- Wide Measurement Range: Accurate measurements up to 80 mT, depending on the model.
- Isotropic Probe: Equipped with a 100 cm² probe that complies with international standards.
- Three-Axis Output: Provides analog signal output across three channels for detailed analysis.
- FFT Analysis Capability: Supports external FFT analysis via digital oscilloscopes, allowing for comprehensive frequency component evaluation.
Technical Specifications
- Frequency Range: Selectable ranges of 1 Hz to 400 kHz, 10 Hz to 400 kHz, and 30 Hz to 400 kHz.
- Antenna Type: Magnetic (B) field measurement.
- Sensor Type: Isotropic Coil with a surface area of 100 cm².
- Damage Level RMS: 160 mT, reducing linearly with frequency beyond 77.5 Hz (1/f).
- Damage Level Peak: 226 mT, reducing linearly with frequency beyond 620 Hz (1/f) for pulse durations ≤ 15.6 ms and duty cycles ≤ 1/64.
- Measurement Uncertainty: ±4% across the frequency range of 50 Hz to 120 kHz.
- Mounting Thread: Standard 1/4-20UNC-2B thread for easy attachment.
- Resolution: As low as 0.001% for precise measurements.
- Detection Modes: Automatic selection per standards or manual RMS and Peak Value detection.
- Interface: RS-232 for remote control and data readout, 19200 baud, with 3-Wire and 2.5 mm Stereo Jack options.
- Operating Temperature: Functional range from -10°C to +50°C.
- Humidity Range: Operates well under < 95% humidity at 30°C.
- Weight: Approximately 2 lbs. (910 g) inclusive of probe.
- Dimensions: 7.1 x 3.9 x 2.2 inches (180 x 100 x 55 mm) without probe; probe measures 11.8 x 4.9 O inches (300 x 125 O mm).
