SST-9801A combustible gas alarm how much money

SST-9801A combustible gas alarm wholesale Dongguan Rui Xin Gas Equipment Co., Alarm RS-485 data communication using the Modbus RTU protocol, this agreement with nearly all of the programmable logic controllers, human-machine interface software and other control System compatibility. Because Modbus RTU protocol is a standard. Interface to obtain the following information from the RS-485 communication: reading detector, the detector alarm point calibration mode, the error detector, the two states and calibration errors. RS-485 can address the dual in-line package switches change. Communication is a two-wire, half-duplex, a 600 detector as servo device. Theoretically, the main controller 4000 feet away can control 256 different detectors. ◆ Dongguan Rui Xin ◆ Gas Equipment Co., Ltd. Address: Liaobu Town, Dongguan City, Phoenix Tsui Street Fushan, Guangdong Province, 41 ◆ Tel: 0769-81052179 ◆ Mobile: 13410167928 15384218072 ◆ Fax: 0769-81052179 ◆ Customer Service QQ: 2361261816 QQ: 2269250691 QQ: 1497869377 ◆ Postal Code: 523401 ◆ E-mail: guhongyun168 @ .163.com ◆ URL: http: //www.rxrqsb.com http://rxghy168.b2b.youboy.com ◆ Contact: Miss Gu