DX-82 Portable Three-Dimensional Flux Gate Meter
I. Introduction
The DX-82 high-precision portable three-dimensional fluxgate meter integrates technical experience from multiple fields. This product adopts advanced fluxgate sensor technology, featuring high sensitivity and accuracy, capable of efficiently and precisely measuring weak magnetic fields at the nT level, providing reliable data support for scientific research and industrial inspection. The device is equipped with a professionally optimized hardware circuit. The digital part uses a high-performance 32-bit ARM Cortex microprocessor, while the analog part employs the ULLASS ultra-low loss sampling patent technology, ensuring high-speed response, low latency, and high-quality signal acquisition. A 5-inch ultra-high-definition capacitive touch screen offers clear data display and a wide viewing angle. The humanized touch interaction design simplifies the operation process. The product complies with international system certifications such as ISO9001, CE, and IQNET.
II. Features
- Capacitive touchscreen with adjustable backlight
- AC/DC magnetic field measurement
- 5½-digit resolution
- Intelligent range switching
- FFT analysis
- Bilingual display (Chinese/English)
- Smart probe recognition
- High-speed/low-speed acquisition switching
- Measurement values and curve display
- Spherical coordinate display
- Analog output
- Max/Min value display, peak hold
- Ultra-low noise, threshold alarm function
- Data storage, recall, and export
- USB-C communication, universal command set compatibility
III. Technical Parameters
- Display Units: nT, μT, mGs
- Resolution: 0.1 nT
- DC Range (optional): ±100 μT, ±1000 μT
- AC Range (<100 Hz): ±100 μT, ±1000 μT
- AC Bandwidth (>100 Hz): ±500 μT (RMS)
- Error Temperature Coefficient: ±1 nT/°C, ±10 nT/°C
- Accuracy: ①DC: <0.5% RDG ②AC: <1% RDG
- Main Unit Bandwidth: 50 kHz
- Response Frequency: <2 kHz
- Sensor Noise: <20 pT RMS/√Hz @1 Hz
- Orthogonal Error: <0.5°
- Nonlinearity Error: <2 nT @1x full scale
- Operating Temperature: -40°C to +70°C
- Sensor Size: 20×20×20 mm
4. General Specifications
- Analog Interface: BNC
- Communication Interface: USB-C
- Display: 5-inch capacitive touchscreen, 720×1280 resolution
- Power Supply: Built-in lithium battery
- Power Consumption: 4.2 W
- Continuous Operation Time: 3.5 hours
- Compatible Probe: 3-axis fluxgate sensor CHM-101L
- Main Unit Weight: 362.8 g
- Functional Interfaces:
- Analog signal output
- Sensor input interface
- Power on/off button
- USB-C (digital signal output/charging)