lModelNumberFeatures0.2%HM28D3B100000-10inH20(2.5kPa)HM28D3C100000-28inH20(7kPa)HM28D3F100000-120inH20(30kPa)HM28D3H100000-14.5inH20(100kPa)0.05%HM28D3C300000-28inH20(7kPa)HM28D3F300000-120inH20(30kPa)HM28D3H300000-14.5psiH20(100kPa)HM28D3K300000-100psi(100kPa)HM28D3M300000-245psi(100kPa)產(chǎn)品優(yōu)點精確地測量氣體的正壓、負壓和差壓精度：0.2%-0.05%