Laptop instruments offers electrical contact gauge, model ecg for making or breaking the current circuit dependent on pointer position. The nominal size is 100 and 150 mm, service pressure connection - 1/4, 3/8 and 1/2 inch bsp, npt threads, as per specific requirements. The connection position - bottom, eccentric back; mounting - direct bottom, surface mounting, direct back mounting, back with bracket mounting, back with panel mounting; pressure ranges - vacuum, 0..0.6 to 0..1500 kg/cm²; measuring system - non-ferrous/ss 316; accuracy - ±1 % and 1.6 above; case and bezel - ss 304 [with or without filling]; and applications - pneumatic control systems, mechanical, plant and construction, water treatment and hydraulic and pneumatic systems.