Digital ~230 USD - https://www.mcmaster.com/pressure-gauges/pressure-and-vacuum-gauges/digital-high-accuracy-pressure-gauges/ https://www.mcmaster.com/pressure-

Digital ~230 USD - https://www.mcmaster.com/pressure-gauges/pressure-and-vacuum-gauges/digital-high-accuracy-pressure-gauges/ https://www.mcmaster.com/pressure-gauges/pressure-and-vacuum... Analog gauge ~100 USD -https://www.mcmaster.com/pressure-gauges/pressure-and-vacuum-gauges/pressure-gauges-9/ https://www.mcmaster.com/pressure-gauges/pressure-and-vacuum... Both of the above gauges come with Calibration Certificate Traceable to NIST