... ,We can print logos and brands on the dail according to c Bimetal ThermometersThis kind of thermometers is ideal for most rugged ... up The bimetal helix is coated with a viscous silicone to minimize pointer oscillation and im prove temperature transmission Case & ring ... : -40~60deg. C, -20~60deg. C, 0~120deg. C, -0~150deg. C,-0~200deg. C, 0~300deg. C, 0~400deg. C,0~500deg. C, 50~300deg. C, -40~160deg ...