Sunpro instruments [india] supplies msi make isolated, high accuracy, digital compensated pressure/vacuum sensor transmitter. This sensor transmitter is a one-piece emi/rfi protected stainless steel construction isolated pressure transducer. The model-range-accuracy specifications: msp600 - -1 bar to 0 and up to +25 bar and 0 to +2 bar to 0+700 bar-±0.25% fsd; us 300 - -1 bar to 0 and up to + 25 bar and 0 to + 2 bar to 0-700 bar ±0.25% fsd; and us 600 - -1 bar to 0 and up to + 25 bar and 0 to + 1 bar to 0-700 bar ±0.1% fsd. Some technical features of the transmitter include: 1% total error band, no leaks, no welds, no `o` rings, no silicon oil; amplified output; low pressure configuration; pressure gauge and absolute ss enclosure 316; ¼"/npt/bsp male threading; output - 4-20 ma dc [2 wire]; excitation voltage 10 to 32v dc; and operating temperature - 125 to + 135ºc.