â·ÃÊͺ¶ÒÁÃÒ¤Ò Ideal for measuring low differential pressure in clean rooms, test and balance, medical equipment, HVAC, pneumatic systems and computer peripherals. Manometer 100 PSI Sper Scientific 840083 Five models are available covering a wide range Ideal for measuring low differential pressure in clean rooms, test and balance, medical equipment, HVAC, pneumatic systems and computer peripherals. Portable, and weighing only 5 oz (150 g) including the battery, these meters are convenient for use in the lab, field or factory. Five models are available covering a wide range. All read gauge, and differential pressure in up to 11 units of measure and feature large backlight display, min/max, hold, and auto power off functions. The RS232 port enables communication with a computer. High accuracy of ±0.3% fs at 25ºC, repeatability: ±0.2% (max ±0.5%) FSO, and combined linearity and hysteresis: ±0.2 (Max ±1.0%) FSO. All Sper Scientific Manometers come ready to use with connection hose, instructions, and a 9V battery, in a hard shell carrying case. N.I.S.T. traceable certificate of calibration available. Dimensions: 7⅛” x 2¾” x 1” (182 x 72 x 30 mm) Weight: 5 oz (150 g) Specifications: Meter 840085 840080 840081 840082 840083 Range Res. Range Res. Range Res. Range Res. Range Res. PSI: 2 0.001 5 0.001 15 0.01 30 0.01 100 0.1 In H²O: 55.4 0.01 138 0.1 415 0.1 830 0.1 2768 1 kPa: N/A 34.5 0.01 183 0.1 207 0.1 684 0.1 Ft H²O: 11.5 0.01 34.6 0.01 69.2 0.01 231 0.1 In Hg: 10.2 0.01 30.54 0.01 61.08 0.01 203.6 0.1 Cm H²O (840085 is in mmH²O): 1410 1 352 0.1 1050 1 2110 1 7030 1 mbar: 138 0.1 345 0.1 1034 1 2068 1 6895 1 Bar: 0.138 0.001 0.345 0.001 1.03 0.001 2.07 0.001 6.89 0.001 mm of Hg: N/A 259 0.1 776 0.1 1550 1 5170 1 Oz Inch²: 80 0.01 240 0.1 480 0.1 1600 1 Kg cm²: 0.35 0.001 1.05 0.001 2.10 0.001 7.03 0.001 Max Pressure: 20 PSI 20 PSI 30 PSI 60 PSI 150 PSI 840083 Manometer Pressure Meter Sper Sceintific à¤Ã×èͧÇÑ´¤ÇÒÁ´Ñ¹ÅÁ