The Model 420 DP Low two-wire low range differential pressure transmitters utilize supply voltage of 9 Vdc to 32 Vdc to produce a two-wire 4 mA to 20mA process loop output for differential pressure ranges of 2 psid to 25 psid. A minimum full scale accuracy of 0.5% is achieved. 316 Stainless steel wetted material construction ensures durability under harsh, industrial conditions and includes zero and span adjustments. A variety of options are available with the Model 420 including choice of pressure adaptors and pressure ports.