â·ÃÊͺ¶ÒÁÃÒ¤Ò à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ Differential Pressure Meter Manometer HD700 Differential Pressure Meter Manometer HD700 à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹µèÒ§ Differential Pressure Meter Manometer HD700 Differential Pressure Manometer HD700 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 HD700 Specification Range Resolution inH2O 55.40 0.01in psi 2 0.001 mbar 137.8 0.1 kPa 13.78 0.01 inHG 4.072 0.001 mmHG 103.4 0.1 ozin² 32 0.01 ftH2O 4.616 0.001 cmH2O 140 0.1 kgcm² 0.140 0.001 bar 0.137 0.001 Dimensions / Weight 8.2x2.9x1.9" (210 x 75 x 50 mm) / 9.8 (280g) Differential Pressure Meter Extech HD700 Manometer à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ