1) Specification - Measuring range : 0.4 through 750 ㎤/㎠/s at 5 ㎠ test area 1 through 10,000 L/㎡/s or mm/s at 20 ㎠ test area 0.6 through 6,000 L/d㎡/min at 20 ㎠ test area 0.008 through 5 d㎡/s at 25 ㎠ test area 0.1 through 1,300 cfm at 38 ㎠ test area 0.5 through 700 ㎤/㎠/s at 38 ㎠ test area 0.03 through 400 ㎥/㎡/min at 38 ㎠ test area 2 through 24,000 ㎥/㎡/h at 38 ㎠ test area 0.1 through 1,600 L/d㎡/min at 100 ㎠ test area - Unit of measure : ㎜/s, dfm, ㎤/㎠/s, L/㎡/s, L/d㎡/min, ㎥/㎡/min ㎥/㎡/h and d㎤/s - Measuring accuracy : better than ± 3 % of the displayed value - Test pressure : 98 through 2,500 pa (0.4 through 10″w.c) - Test head / test area : 5, 20, 25, 38 and 100 ㎤ (Included only 38 ㎤ : ASTM D 737, JIS L 1,096-A, TAPPI T 251) - Power requirements : 230 v, 50 through 60 Hz, max. 1,100 w 2) Optional accessories - Test head : 20 ㎤ 1 unit (AFNOR G 07-111, DIN 53,887, EDANA 140.1, EN ISO 9,237) 3) Calibration Certificate