GA/T 1708-2020 in English
VALIDThermal image equipment used for video surveillance in security systems
- Issued on:2020-02-03
- Implemented on:2020-05-01
- File Format:PDF
- Delivery:Via email within 5 business days
$350.00
本标准规定了安全防范视频监控红外热成像设备的组成、分类和标识、技术要求、试验方法、检验规则、文件提供,以及标志、包装、运输和贮存要求,适用于安全防范视频监控领域红外热成像设备的设计、制造和检验,其他领域的红外热成像设备可参考采用。
Introduction
Analysis of the core content of the standard
| Technical dimension | Refrigeration equipment | Non-refrigeration equipment |
|---|---|---|
| NETD value | ≤30mK | ≤60mK |
| MRTD value | ≤0.4K | ≤0.8K |
| Start-up time | ≤6.5min | ≤30s |
Details of key technical requirements
1. Equipment classification system
The standard establishes a three-dimensional classification system:
- Detector type: Cooled (Z)/Non-cooled (F)
- Usage: Fixed platform (GD)/Mobile platform (YD)/Handheld (SC)
- Working environment: Indoor (SN)/Outdoor (SW)
2. Core performance indicators
Detection distance verification case: Under the conditions of humidity ≤80%, visibility ≥3km, and target-background temperature difference ≥3K, the detection distance of a 1.7m human target must reach the nominal value, and the measured error shall not exceed ±5%.
Implementation Recommendations
1. Selection Decision Matrix
| Application Scenarios | Recommended Types | Key Considerations |
|---|---|---|
| Border Monitoring | Refrigerated + Fixed Platform | High Sensitivity, Long-distance Detection |
| Mobile Inspection | Non-refrigerated + Handheld | Quick Startup, Portability |
2. Acceptance Test Key Points
- NETD testing needs to be carried out in an environment of 23±5℃
- MRTD testing should use a four-bar target pattern (height-to-width ratio 7:1)
- Outdoor equipment must pass IP66 protection certification

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