â·ÃÊͺ¶ÒÁÃÒ¤Ò à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ Differential Pressure Meter Manometer à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ Differential Pressure Manometer HD750 Differential Pressure Manometer HD750 à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ Differential Pressure Meter Manometer à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ Differential Pressure Manometer HD750 Differential Pressure Manometer HD750 Low Range/High Resolution Gauge or Differential Pressure Two models to choose from: - HD700 (±2psi range) - HD750 (±5psi range) 11 selectable units of measure Data Hold and Auto power off functions Large LCD display with backlighting Zero function for offset correction or measurement Built-in USB (software and cable included) USB port includes software Includes Windows® compatible software with cable, 9V battery, two connection hoses, 100V-240V switching AC Adaptor, and hard carrying case Specifications for HD750 Specification Range Resolution inH2O 138.3 0.1in psi 5 0.001 mbar 344.7 0.1 kPa 34.47 0.01 inHG 10.18 0.01 mmHG 258.5 0.1 ozin² 80 0.01 ftH2O 11.53 0.01 cmH2O 350.1 0.1 kgcm² 0.351 0.001 bar 0.344 0.001 Dimensions / Weight 8.2x2.9x1.9" (210 x 75 x 50 mm) / 9.8 (280g) Differential Pressure Meter Extech HD750 Manometer à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ