The 718EX is a self-contained pressure calibrator for usage in Explosion endangered areas. It is ATEX II 1G Ex ia IIC T4 Compliant. It features a built-in pressure / vacuum hand pump, with fine adjust vernier and bleed valve, pressure measurement to 0.05% of full span, pressure measurement to 200 bar, and a simple push-button user interface. Psi ranges of 30, 100, and 300 (2, 7, and 20 bar).