127 BUTTERFLY VALVE ROTALY DAMPER DIAPHRAGM VALVE ULTRA SONIC CONTROLL VALVE BALL VALVE VOLTEX FLOWMETER IMPERA FLOWMETER ULTRA SONIC FLOWMETER L2 L1 W1 Cable Connector 2-G1/2 W2 W3 H φD2 φd φD1 L2 L1 W1 Cable Connector 2-G1/2 W2 W3 H φD2 n-φd P. C.D.C φD1 φd Nominal Size (mm) Min. Flowrate（m3/ｈ） Max. Flowrate （m3/ｈ） Kinematic Viscosity×10−6 ｍ2/ｓ（cst） １ ２ ３ ４ ５ 20 0.9 1.8 2.7 3.6 4.5 5.4 25 1.4 2.8 4.2 5.6 7.0 8.5 40 3.6 7.2 10.8 14.4 18.0 22.0 50 5.9 11.8 17.7 23.6 29.5 34.0 80 13.4 26.8 40.2 53.6 67.0 88.0 100 22.6 45.2 67.8 90.4 113.0 137.0 Flowrate 0.8m/sec 1.6m/sec 2.4m/sec 3.2m/sec 4.0m/sec 5.0m/sec SPECIFICATIONS Diameter & Tubing connection Wafer : 20-100mm(3/4″-4″) Flange : 20-50mm (3/4″-2″) Measuring range About 0.5 to 5m/sec(For more details, see [Range of Flowrate Measurement] on page 4.) Measurement accuracy ±1％R.D. (±0.5% R.D. also accommodated) Wetted material Wafer : PVC, PVDF　Flange : PVDF Fluid temperature 0 to 55℃ (PVC), − 10 to 100℃ (PVDF) Ambient temperature 0 to 55℃ (PVC), − 10 to 60℃ (PVDF) Maximum working fluid pressure 1.0MPa Display Total integrating/Instantaneous fl owrate/% fl owrate/reset integrating fl owrate (The display mode is externally selectable using the accessory magnet.) Unit, Equipment alarm Analog output 4-20 mA two-wire load resistance up to 300 Ω Pulse output Open collector output: One-shot width 20A 25A 40A 50A 80A 100A 1.3ms 1.82ms 2.86ms 3.90ms 5.98ms 9.62ms Alarm output Open collector output: Upper and lower limit output/alarm output Open collector output concurrently with pulse output is not available, though. Case material PC Supply voltage 24VDC±10% Protective structure IP66 equivalent (avoid exposure to direct sunlight) FLOW RATE Nominal Size L2 W1 W2 W3 φD2 Wafer Flange (JIS 10K) mm inch L1 H φD1 φd L1 H φD1 φd C n e 20 3/4 64.5 138 62.5 75.5 144 85 187.5 53 19 200 180 100 19 75 4 15 (2.54) (5.43) (2.46) (2.97) (5.67) (3.35) (7.38) (2.09) (0.75) (7.87) (7.08) (3.94) (0.75) (2.95) (0.59) 25 1 64.5 138 62.5 75.5 144 93 190 62 24 200 190 125 24 90 19 (2.54) (5.43) (2.46) (2.97) (5.67) (3.66) (7.48) (2.44) (0.94) (7.87) (7.48) (4.92) (0.94) (3.54) (0.75) 40 11/2 64.5 138 62.5 75.5 144 106 197.5 77 38.5 200 197 140 38.5 105 19 (2.54) (5.43) (2.46) (2.97) (5.67) (4.17) (7.77) (3.03) (1.52) (7.87) (7.75) (5.51) (1.52) (4.13) (0.75) 50 2 64.5 138 62.5 75.5 144 120 202.5 96.5 48.5 200 204 155 48.5 120 19 (2.54) (5.43) (2.46) (2.97) (5.67) (4.72) (7.97) (3.80) (1.91) (7.87) (8.03) (6.10) (1.91) (4.72) (0.75) 80 3 64.5 138 62.5 75.5 144 160 225 127 72.5 ― ― ― ― ― ― ― (2.54) (5.43) (2.46) (2.97) (5.67) (6.30) (8.86) (5.00) (2.85) 100 4 64.5 138 62.5 75.5 144 180 239.5 155.5 94 ― ― ― ― ― ― ― (2.54) (5.43) (2.46) (2.97) (5.67) (7.08) (9.43) (6.12) (3.70) DIMENSIONS TABLE Unit:mm(inch) DIMENSIONS TABLE