产品名称: BDPA系列压差开关报警器 产品型号: BDPA 介质: 空气或非可燃的兼容气体. 材质: Diaphragm: Silicone; Housing: Switch Body: PA 6.6 and POM; Cover: Polystyrene. 温度限制: 32 to 122°F (0 to 50°C). 压力限制: 40" w.c. (10 kPa). 开关额定: 1.0 A @ 30 VDC/VAC. 开关类型: SPDT. 报警指示: Red LED and audible alarm. 报警级别: Approximately 90 db at 4" (10 cm). 报经确认: Button press. 电源: 16 to 30 VDC, 18 to 30 VAC or battery. If line power supplied battery acts as back-up if power loss. 电池: 1/2 AA LS14250. 电池寿命: Approximately 1.5 years with 3.6 V/1.2 Ah. 重复性: ±15% FS. 电气连接: Screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection. 过程连接: 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing. 安装方向: Vertically, with pressure connections pointing downwards. 重量: 6.1 oz (173 g). 封装: IP21. 认证: CE, RoHS. 选型表： 型号 特性 BDPA-08-1-N Adjustable differential pressure alarm, range .08-1.20" w.c., 1/2" NPT connection. BDPA-04-1-N Adjustable differential pressure alarm, range .12-1.60" w.c., 1/2" NPT connection. BDPA-03-1-N Adjustable differential pressure alarm, range .20-2.00" w.c., 1/2" NPT connection. BDPA-05-1-N Adjustable differential pressure alarm, range .80-4.00" w.c., 1/2" NPT connection. BDPA-06-1-N Adjustable differential pressure alarm, range 2.00-10.00" w.c., 1/2" NPT connection. BDPA-07-1-N Adjustable differential pressure alarm, range 4.00-20.00" w.c., 1/2" NPT connection. BDPA-08-1-N-C Adjustable differential pressure alarm, range .08-1.20" w.c., 1/2" NPT connection, with installer kit. BDPA-04-1-N-C Adjustable differential pressure alarm, range .12-1.60" w.c., 1/2" NPT connection, with installer kit. BDPA-03-1-N-C Adjustable differential pressure alarm, range .20-2.00" w.c., 1/2" NPT connection, with installer kit.