Dwyer BDPA系列压差开关报警器
产品简介
详细信息
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. |
| BDPA-05-1-N-C | Adjustable differential pressure alarm, range .80-4.00" w.c., 1/2" NPT connection, with installer kit. |
| BDPA-06-1-N-C | Adjustable differential pressure alarm, range 2.00-10.00" w.c., 1/2" NPT connection, with installer kit. |
| BDPA-07-1-N-C | Adjustable differential pressure alarm, range 4.00-20.00" w.c., 1/2" NPT connection, with installer kit. |
| BDPA-08-2-N | Adjustable differential pressure alarm, range .08-1.20" w.c., M20 connection. |
| BDPA-04-2-N | Adjustable differential pressure alarm, range .12-1.60" w.c., M20 connection. |
| BDPA-03-2-N | Adjustable differential pressure alarm, range .20-2.00" w.c., M20 connection. |
| BDPA-05-2-N | Adjustable differential pressure alarm, range .80-4.00" w.c., M20 connection. |
| BDPA-06-2-N | Adjustable differential pressure alarm, range 2.00-10.00" w.c., M20 connection. |
| BDPA-07-2-N | Adjustable differential pressure alarm, range 4.00-20.00" w.c., M20 connection. |
| BDPA-08-2-N-C | Adjustable differential pressure alarm, range .08-1.20" w.c., M20 connection, with installer kit. |
| BDPA-04-2-N-C | Adjustable differential pressure alarm, range .12-1.60" w.c., M20 connection, with installer kit. |
| BDPA-03-2-N-C | Adjustable differential pressure alarm, range .20-2.00" w.c., M20 connection, with installer kit. |
| BDPA-05-2-N-C | Adjustable differential pressure alarm, range .80-4.00" w.c., M20 connection, with installer kit. |
| BDPA-06-2-N-C | Adjustable differential pressure alarm, range 2.00-10.00" w.c., M20 connection, with installer kit. |
| BDPA-07-2-N-C | Adjustable differential pressure alarm, range 4.00-20.00" w.c., M20 connection, with installer kit. |