A:the product says all This controller adoption ripples tube type spreads the feeling machine, can used for the causticity air and liquid to lie quality.The initial value of the controller is adjustable, regulating scope for-0.1-6.3 MPas.Lie the quality usage temperature scope big, can used for causticity to lie quality Two:technique parameter 1:the environment temperature:-40- +50 ° Cs 2:lie the quality temperature:0- 120 ° Cs 3:outer shell protection grade:IP65
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