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● Two-line system, three-line system transmitter, current source input detection end isolation type safety gate, provide isolated power to the transmitter in the danger zone, transmitter produces 4-20MA signal (or voltage signal) current signal isolated from the dangerous side to the safety side, support HART communication.
● DRG-1100 one in and one out
● DRG-1101 one in two out
● DRG-1120 Two in two out
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● 4-20mA output operation end isolation gate, the safety zone of 4-20MA signal isolation transmitted to the dangerous side, drive the field of actuators, valves and other equipment.
● DRG-1200 in and out
● DRG-1220 two in two out
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● Thermal resistance two, three wire input isolation type safety gate: the field two wire system, three wire heating resistance signal into the standard 4-20mA current signal, isolated transmission to the safety side.
● DRG-1400 one in and one out
● DRG-1401 one in two out
● DRG-1420 two in two out
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● DRG-4000 thermal resistance isolation type safety gate with intrinsic safety input loop of the single channel safety gate, can from the danger zone of the second/third/fourth line heating resistance value 1:1 transfer to the safety zone.
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● Convert field thermocouple/millivolt signal into standard 4-20mA current signal, isolate and transmit to safety side. This IS AN intelligent safety gate with automatic cold-end compensation function. The thermocouple millivolt signal and range range can be set by computer.
● DRG-1500 One in and one out
● DRG-1501 One in two out
● DRG-1520 two in two out
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● DRG 5000 thermocouple isolation safety gate with intrinsic safety input loop thermocouple millivolt signal 1:1 isolation transmission safety gate. Used for 1:1 isolated transmission of millivolt signals (-10mV~60mV) from a variety of thermocouples from the danger zone to the safe zone.
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● Switch input isolation type safety gate, switch input isolation type safety gate, accept the contact/proximity switch input from the side of the dangerous place, through the safety gate isolation transmission to the safety place output, with relay or transistor output normally open/normally closed conversion setting function.
● DRG-1600 one in and one out
● DRG-1601 One in two out
● DRG-1620 two in two out
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● Switch input isolation type safety gate, switch input isolation type safety gate, accept the contact/close switch input from the side of the dangerous place, through the safety gate isolation transmission to the safety place output, with transistor output normally open/normally closed conversion setting function.
● DRG-1602 in and out
● DRG-1604 One in two out
● DRG-1623 two in two out
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● Switch output isolation gate, switch output isolation type safety gate, safety place on one side of the contact switch signal through the safety gate control or drive the field of intrinsic safety equipment work, intrinsic safety equipment such as solenoid valve, audible and visual alarm, etc.
● DRG-1700 one in and one out
● DRG-1720 Two in two out
● DRG-1703 One in and one out independent power supply
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● Switch output isolation gate, switch output isolation type safety gate, safety place on one side of the contact switch signal through the safety gate control or drive the field of intrinsic safety equipment work, intrinsic safety equipment such as solenoid valve, audible and visual alarm, etc.
● DRG-1701 One in and one out
● DRG-1721 Two in two out
● DRG-1704 One in and one out independent power supply
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● Switch output isolation gate, switch output isolation type safety gate, safety place on one side of the contact switch signal through the safety gate control or drive the field of intrinsic safety equipment work, intrinsic safety equipment such as solenoid valve, audible and visual alarm, etc.
● DRG-1702 in and out
● DRG-1722 Two in two out
● DRG-1705 One in and one out independent power supply
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● DRG-1800频率量隔离式安全栅,实现将危险区仪表产生的频率量信号安全传输到安全区输出,输入采用滞回比较电路具有较高的抗干扰性能,同时向现场仪表提供电源。
● 该产品需要独立供电,电源、输入、输出三隔离。
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● DRG-1900应变电桥隔离式安全栅,给现场应变电桥提供12VDC激励电源,将电桥产生的毫伏信号1:1隔离传输到安全侧。
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● DRG-2100 RS232(全双工)隔离式安全栅,实现RS232(全双工)数字信号在危险区和安全区的双向通信,并向现场仪表提供电源。该产品需要独立供电,电源、输入和输出三隔离。
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● DRG-2200 RS485(半双工)隔离式安全栅,实现RS485(半双工)数字信号在危险区和安全区的双向通信,并向现场仪表提供电源。该产品需要独立供电,电源、输入和输出三隔离。
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