HWB-B Intrinsically Safe Explosion Proof Telephone-- Nanyang YITONG

HWB-B Intrinsically Safe Explosion Proof Telephone

Product Description

1, HWB-B explosion-proof phone, with ordinary telephone functions, with all-electronic, non-contact sensor function, the circuit uses special technology.

2, HWB-B-type explosion-proof intrinsically safe telephone explosion-proof intrinsically safe automatic telephone, the BFH-C explosion-proof intrinsically safe telephone coupler access telephone exchange, the composition of the communications network.

3, the explosion-proof telephone designed using advanced electronic circuits, suitable for containing flammable gas mixture of places, such as oil, chemicals, oil depots, steel, coking, mining and other enterprises.

Equipment Consultation

点击咨询索取报价

400—756—0186

PRODUCT DETAILS

Features

1, through the HWB-B-type explosion-proof telephone coupler with 48 ~ 60 volts of various types of telephone exchange with the use of the adapter.

l Calling line with automatic gain control (AGC) circuit, so that the basic voice calls from outside length changes.

2, the use of electronic music bell, ringtones crisp and sweet.

3, the explosion-proof phone can be used for table machines, but also wall use, convenient and reliable.

With all-electronic, non-contact sensor function

Technical Parameters

Explosion proof Parameters
Certificate No.	CNEx12.2032
Ex-mark	ExdibIICT6Gb
Protected Grade	IP54
Electrical parameters
Ringing voltage(v)	48
Ringing current(mA)	25
Give the way	Audio/pulse
Ringing sound level(dB)	85
Sending Loudness Rating	2dB(0km) 15dB(5km)
Receiving Loudness Rating	-8dB(0km) 2dB(5km)
Electrical Connection	Two core cable connection coupler.
Mechanical Specifications
Material	ABS
Weight	1Kg
Installation type	Wall/desktop
Environmental indicators
Explosive gas mixtures	IIA IIB IIC
Atmospheric pressure	80～106KPa
Environmental temperature	-25℃~+60℃(Normal ambient)
Relative humidity	≤95%RH(+25℃)

Typical Cases

ProductionPacking & DeliveryABOUT YITONGNanyang Yitong Explosion proof Electric Co., Ltd. is an advanced electrical solution provider for hazardous areas of zone1, zone 2, and zone 20, zone 21, zone 22. We have wide range explosion proof types of air conditioners, electrical control box, CCTV camera, lamp & light fixtures, electrical equipments, and box & fittings. Our products and projects occur in various occasions of petroleum, chemical and workshop across the world.We care the most of quality and stability of our products, as well as efficient communication and positive service to our customers and partners.Most products are certified under China national explosion protection standards GB3836 series, which is based on International Electrotechnical Commission (IEC) Standard for Electrical Products used in Explosive Environments (Ex), some products also obtained the EU standard certificates as ATEX, IEC Ex, CCS ( China explosion proof electric products for Marine environment), MA (for Mine use, China).

Company run with ISO quality management system as ISO9001, ISO14001, OHSAS18001 and China QS .Nanyang Yitong is the registered supplier of China National Offshore Oil Corporation(COOC), China National Petroleum Corporation(CNPC), China Oilfield Services Limited(COSL), ABB(Switzerland)，Altrad Group(France), Hyundai Engineering Co., Ltd(Korea).etc. We also have solo agent in UAE, Egypt, Russia and Korea.

Typical Cases

Exhibitions