Technical Features:
Built-in Libraries:
| Technical Features | Built-in Libraries | Ecer Libraries | Maoyt Libraries | UC Libraries | 
| Automatic calibration without manual operation and external accessories. | Able to detect small suspicious particles on site by built-in microscope. | Assess the risk of ignition and stop the laser automatically. | Small and light, it can be carried and operated easily. | Total spectrum library>13,000 species and the contraband spectrum library>3,000 species. | 

 
| Standard: | Certificate of National Torch Plan Project | 
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| Standard: | Certificate of National Important New Product | 
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| Standard: | Measurement type approval | 
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| Standard: | Measuring license | 
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| Standard: | Membership of China Metrology Association | 
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| Standard: | National Patent 1: water meter with suspended structure impeller | 
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| Standard: | National Patent 2: water meter lock seal | 
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| Standard: | National Patent 3: anti-electromagnetic shade design of magnet-coupling and electronic sensor | 
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| Standard: | National Patent 4: electronic flow rate sensor | 
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| Standard: | ISO | 
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| Number: | 440400000302361 | 
| Issue Date: | 2007-01-06 | 
| Expiry Date: | 2017-01-05 | 
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| Standard: | ISO | 
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| Number: | 440400000302362 | 
| Issue Date: | 2008-01-16 | 
| Expiry Date: | 2018-01-04 | 
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| Standard: | ISO | 
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| Number: | 440400000302363 | 
| Issue Date: | 2008-01-10 | 
| Expiry Date: | 2012-01-18 | 
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| Standard: | ISO | 
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| Number: | 440400000302361 | 
| Issue Date: | 2007-01-06 | 
| Expiry Date: | 2017-01-05 | 
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| Standard: | ISO | 
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| Number: | 440400000302362 | 
| Issue Date: | 2008-01-16 | 
| Expiry Date: | 2018-01-04 | 
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