防爆温度开关S71分为机械式防爆温度开关和电子式防爆温度开关，机械式防爆温度开关的原理同压力开关，采用热膨胀系数稳定的特殊硅油，感受到温度变化后发生热胀冷缩，产生形变，产生位移，通过栏杆弹簧等机械结构，Z终启动Z上端的微动开关，使电信号输出。防爆温度开关从结构上又分为本地直插式防爆温度开关和远传毛细防爆温度开关两大类。测温元件不同分为黄铜和不锈钢两种。除了机械式的还有防爆电子式温

英国 Delta-controls Sentry系列 防爆差压开关HD02 Screwed lid and integral terminal block A screwed lid gives users quick access for connecting to the integral terminal block or for set-point adjustment.

英国 Delta-controls Sentry系列 防爆差压开关HD01 Screwed lid and integral terminal block A screwed lid gives users quick access for connecting to the integral terminal block or for set-point adjustment.

英国 Delta-controls Sentry 系列 差压开关 D02 Hinged lid A unique hinged lid gives users access to the contact terminals and set-point adjuster quickly and simply via a single captive screw

英国 Delta-controls Sentry 系列 差压开关 D01 Hinged lid A unique hinged lid gives users access to the contact terminals and set-point adjuster quickly and simply via a single captive screw

英国 Delta-controls 230 系列 波登管压力开关 The model 230 Presure Switch is suitable for setpoints between 0bar and 600bar with maximum working pressures up to 690bar

英国 delta-controls Sentry 温度开关 具体参数 · 铝制防水外壳，防护等级：IP66. · 温度上限可达300°C (572°F). · 316 不锈钢毛细和汽包 · （单刀双掷）SPDT, （双刀双掷）DPDT 可选