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Watertight door alarm system

The waterless door alarm system emphasizes the interaction between humans and machines, addressing the pollution of operations and the selection of Chinese and English languages. This system enhances safety by providing timely alerts without relying on water-based mechanisms, making it suitable for various environments. The advantages include reduced maintenance costs and improved reliability. Additionally, the bilingual interface promotes accessibility for a wider audience, facilitating better communication and understanding. Overall, this innovative approach not only protects premises but also contributes to eco-friendly practices.

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Parameter
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Technical parameter

1.Main Power:AC220V±10%

2.Spare Power:DC24V(-25%~+30%）

3.Environment Temperature:-10℃~+55℃

4.Environment Humidity:≤95%

5.Explosion Proof Grade:ExdIICT6Gb

6.Alarm Sound Pressure Level:75dB～95dB

7.VDR Data Protol:RS485

System composition

serial number NO.	name of article Name	Model Model	weight Weight	Ingress protection IP Class
1	Watertight door alarm Watertight door alarm unit	ZH-MSA-1ZQ	3kg	IP20
2	Watertight door repeater (recessed) Watertight door repeater	ZH-MSA-1FQ	3kg	IP20
3	Watertight door repeater (wall-mounted type) Watertight door repeater	ZH-MSA-1FG	3.5kg	IP44
4	Power supply unit (collection box) Power supply(Collection box)	ZH-MSA-1DG	4.3kg	IP22
5	Conversion box Conversion box	ZH-MSA-1H	1.6kg	lP56
6	Light lndicator light	ZH-MSA-1L	1.5kg	lP56
7	Proximity switches Proximity switch	ZH-MSA-1J	0.8kg	IP68
8	Explosion-proof alarm light	ZH-MSA-1EL	5kg	IP68

Wuxi Huihua Special Instrumentation Co., Ltd.

Wuxi Huihua Special Instrument Co., Ltd. was established in December 2001, the registered capital is 5 million yuan, the existing staff of more than 50 small and medium-sized joint-stock enterprises.
The company specialises in the production of various types of special instruments, alternative to the localisation of imported instruments. To seismic pressure gauge, seismic electric contact pressure gauge, stainless steel pressure gauge, diaphragm corrosion-resistant pressure gauge, marine pressure gauge and other series as the main products. On the basis of field instruments, we have developed various kinds of pressure transmitters, pressure controllers, digital pressure gauges and so on. There are more than 30 series and 3000 specifications. Products are widely used in petroleum, chemical, paper, metallurgy, mining, chemical fibre, electric power, food, environmental protection, rubber and plastic, hydraulics and many other industries, and more than 2,000 domestic customers to establish a friendly relationship with the national large and medium-sized enterprises to establish a good partnership, won the majority of users praise, and set up a corporate brand image.

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