Guangzhou Zhijian Instruments Co., Ltd.
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Main Products: Test Smoke Box, Standard Smoke Box, UL Smoke Box, En14604
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Smoke Detector Test Tunnel
October 24, 2026Equipment Function： The smoke heat detector test tunnel was designed for sensitivity test of Smok
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Smoke Alarm Production Test Tunnel
October 24, 2026Equipment Function： The smoke alarm production test tunnel was designed for batch test or calibra
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UL217/ 268 Smoke box
October 24, 2026Equipment Function： The equipment is intended for smoke alarm or smoke detectors sampling test. The smo
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Smoke Alarm Production Test Tunnel
October 24, 2026Equipment Function： The smoke alarm production test tunnel is used for batch test or calibration smoke
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Ionization Smoke Detector and Photoelectric Smoke Detector
October 24, 2026The two most common types of smoke detection technology are ionization smoke detectors and photoelectric smoke detectors. • I
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WHY CHOOSE
OUR PRODUCTS?
Guangzhou Zhijian Instruments Co., Ltd.
Zomtest Instruments is mainly engaged in developing and manufacturing professional test equipment in the area of fire detection and alarm industry according to GB,EN and UL standard. The main products include EN/GB standard test tunnel for smoke and heat alarm, UL217 smoke box, constant controlled smoke calibration tunnel for smoke alarm/detector production, Heat test tunnel, gas alarm calibration chamber and other professional equipment. The team had ten years of working experience in testing and certification body (Intertek) and many years of professional testing equipment R&D and sales experience, developed a number of professional fire alarm testing equipment The first smoke box was sold in 2015,which meets the requirements of UL217 and UL 268. It support alarm manufacturers pass the American certification. In 2018, the company developed and launched the smoke test tunnel that meets the GB4715,GB 20517,EN 14604, EN 54 standards. With excellent smoke optical density meter and smoke generator, it is well recognized by users. In 2020, it will develop and launch the smoke box suitable for batch testing of alarm production line. The equipment has accurate constant smoke control function, which solves the problem of low production and detection efficiency of enterprises.
Company Overview
Business License
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Test Smoke Box, Standard Smoke Box, UL Smoke Box, En14604 Main Products
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Other Test Instrument Main Industry
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