The RCM Flo-Gard™ and Flo-Gage™ are now approved for intrinsically safe applications for all gases and dusts including hydrogen and acetylene. Option -1S2-IS (1-single pole double throw switch) or -2S2-IS (2-single pole double throw switches).
This makes the Flo-Gard II™ and Flo-Gage™ suitable for use with heat treating furnaces and other hazardous applications. Approvals are for AEx ia IIC, Zone 0, Class I, Groups A,B,C and D (gases), Class II, Groups E, F and G (dusts), temperature code T4, ATEX EC Type Examination. Approvals apply to US, Canadian and European markets.
Adding LED's provide viewing at a glance and easy field calibration, option -1S2-IS-LED (1-single pole double throw switch w/LED) or -2S2-IS-LED (2-single pole double throw switches w/LED's).