CALL; A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Series 3000MR, Combine Differential Pressure gage with low/ high set-points. With pressure limit : -20” Hg to 25 psig ( -0.677 to 1.72 bar) . Temperature limits : 20 to 1200F ( -6.67 to 48.90C)