CDINDUSTRY ( INTERNATIONAL ) . INC
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* High Accuracy
* Infrared Resolution: Single (640x512) (Note: Context suggests this refers to the IR sensor)
* Distance Measurement (0.3-150m)
* Imaging Frequency
* Fast Imaging (Refresh Rate 25FPS)
* Intuitive (Accurate Sound Image Localization)
* 162 high-sensitivity digital microphones arranged in a spiral array
* Working Modes: Partial Discharge Detection, Leak Detection, Abnormal Noise Detection
* Sampling Rate: 200 KHz (ASK RH likely refers to this)
* Imaging Frequency Range: 2kHz - 100kHz
* Minimum Detectable Leakage:
* 0.5m, 0.5MPa: Minimum detectable 0.15ml/s
* 1m, 0.5MPa: Minimum detectable 0.2ml/s
* Positioning Distance: 0.3~150m
* 4.3-inch (Color) Capacitive Touch Screen
* Photo/Video Recording & Playback
* Text and Voice Notes
* Expandable TF card storage up to 128GB
* Supports Wi-Fi, Bluetooth
* Supports PC software for automatic data import/export, viewing time-domain waveforms, spectrograms, PRPD patterns
* BES: Down-converts ultrasound for listening via headphones
* Built-in Focus Function: Concentrates the acoustic imaging cloud area into a small region, reducing interference from other noise clouds
* Folder Management Function: Create/Delete/Switch test target folders
1. Acoustic Imaging Technical Indicators
| Parameter | Specification |
|---|---|
| Application Areas | Partial Discharge Detection (PRPD pattern), Leak Detection, Abnormal Noise Detection |
| Microphone Type | Spiral Array, High-Sensitivity Digital MEMS Microphones |
| Number of Microphones | 162 |
| Array Surface Diameter | Ø150mm |
| Microphone Sensitivity | -26dBFS @ 1kHz |
| Imaging Sound Pressure Level | <20dB SPL ~ 120dB |
| Signal-to-Noise Ratio (SNR?) | 64dB @ 1kHz |
| Imaging Frequency Range | 2kHz ~ 100kHz |
| Positioning Distance | 0.3 - 150m |
| Imaging Frame Rate | 25 FPS |
| Display Size | 4.3 inch (Color) Capacitive Touch Screen |
| Camera View Angle | 60°(H) x 40°(V) |
| Camera Pixel | 13 Megapixels |
| Minimum Detectable Leakage | 0.5m, 0.5MPa: 0.15ml/s; 1m, 0.5MPa: 0.2ml/s |
| Operating Temperature | -20°C ~ +50°C |
| Drop Resistance Rating | 1m (With carrying case) |
| Power Supply | 7.2V, 3300mAh |
| Audio Sampling Rate | 200kHz |
| Camera Focal Length | 3.4mm |
| Detectable Discharge Types | Floating potential, Corona, and other discharge measurement methods |
| Display Modes | Single Sound Source, Multiple Sound Sources, Sound Field Distribution |
| Auto Gain | Automatically increases sensitivity for weak signals, improves imaging stability for tiny signals |
| Photo/Video Recording | Supported |
| Wireless Connection | Supports Wi-Fi, Bluetooth |
| Communication Interface | Supports USB data transfer, report output |
| Annotations | Text / Voice |
| Data Storage Formats | Jpg, .wav (audio recording), .mp4 |
| Storage Capacity | TF card up to 128GB |
| Audio Output Interface | 3.5mm audio jack |
| Ultrasound Down-conversion | Down-converts ultrasound for listening via headphones |
| Noise Reduction | Reduces interference from other noise clouds (Focus function) |
| Benefit (Leak Detection) | Facilitates discovery of smaller leaks |
| File Management Function | Supports create/delete/switch test target folders |
| PC Software | Supported (Implied) |
| Interfaces | Type-C, TF Card, Headphone jack |
| Language | Likely Multi-language (RX might be typo) |
2. Infrared (Thermal) Imaging Technical Indicators
| Parameter | Specification |
|---|---|
| Detector Type | Uncooled Vanadium Oxide (VOx) Focal Plane Array (FPA) |
| IR Resolution | 640 x 512 |
| Pixel Pitch | 12 µm |
| IR Spectral Band | 8 ~ 14 µm |
| Frame Rate | 30 Hz |
| Sensitivity (NETD) | < 45 mK (@ f/1.0, 300K) |
| Focusing Method | Fixed Focus |
| IR Lens | Fixed Focus, Athermalized |
| Focal Length | 18mm |
| Focus Range | 0.15m to Infinity |
| Aperture | F1.0 |
| Field of View (FOV) | (H)20.09° x (V)19.37° x (D)30.56° |
| IFOV (Instantaneous FOV) | 0.66 mrad |
| Temperature Measurement Range | -20°C ~ 550°C |
| Accuracy | ±2°C or ±2% (of reading) |
| Resolution | 0.01°C |
| Temperature Measurement Modes | Center Point, Full Screen Max Temp, Full Screen Min Temp |
| Palettes | 7 selectable palettes (including Iron Red, Rainbow, B/W, etc.) |
| Digital Zoom | x3 |
High-voltage insulator terminal temperature screening
Partial discharge detection on busbars in thermal power plants
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