Dwyer DA/DS系列 波登管压力开关
详细介绍
Dwyer DA/DS系列 波登管压力开关
压力范围可到8000psi(55MPa)
DA/DS系列 波登管压力开关是公认的世界上型号最全，应用范围最广的压力开关。
D系列具有非常高的灵敏度和稳定重复性能。 DA型带有两个外部调整旋钮，一个用于调整高压设定点，一个调整低压设定点。在高设定点和低设定点之间的盲区是可以在全量程范围内调整。DS型带单个设定点调整旋钮，盲区是固定的，在工厂设定好后不能在现场改变，开关的种类可以选择快开开关，全密封快开开关或全密封水银开关。
Series DA/DS Bourdon Tube Pressure Switches
Pressure Ranges to 8000 psi (551.6 bar)
Customers tell us that the SERIES DA/DS are the best pressure switches made. The Mercoid DA/DS Series is one of the world’s broadest lines of pressure switches. The DA/DS Series has extremely high sensitivity and great repeatability. The DA Models are equipped with two external adjustments, one for setting high pressure operating point, the other for setting low pressure operating point. Deadband, the difference between high and low setpoints, is adjustable over the full-scale. The DS Models are equipped with a single external adjustment for setting operating point only. For mercury-free switches, choose between the snap action switch or hermetically sealed snap action switch. Hermetically sealed mercury switch also available.
