The 8257 low pressure transmitter is available in both relative or absolute pressure measurement. Thin film on steel sensor technology is utilized and the following output signals may be selected.... 4...20mA, 0...10VDC and 0.5...4.5VDC. This sensor offers ranges as low as 0...3psi with vibration values of 40g (20...2,000Hz) and shock values of 100g / 11ms. Weighing in at just .11lb, this transmitter is a perfect fit for small confinement applications.