Alert system BT-21C

BT-21C Digital Display Gas Pressure Alarm System: Co-work with pressor sensors Power Supply Voltage：DC9V±5% Power Adapter Voltage：AC100V～240VAC System Power Consumption：2W(1gas)、3W(2gases)、4W(3gases)、5W(4gases)、6W(5gaes)、7W(6gaes)、8W(7gaes) Default pressure scope：-0.1MPa～1.0MPa Pressure Monitoring Points：1～7gases LED size：0.8inch Default Pressure Unit：Mpa Sensor suit for both positive and negative pressure. Support RS-485 remote communication. Support each gas pressure condition export (to replace Electro pressure gauge) Support export of DC1-5V analog quantity for each pipe gas pressure Support switching value export Support remote muting control within 5m scope. Support sensor failure inspection. Support sound and light alarming. Support buzzing sound muting. All parameters could be adjusted on site.