model | pf3w711 | ||
Detection method | karman vortex | ||
display flow range | 7 to 140 l/min(flow under 7 l/min is displayed as ?0?) | ||
minimum setting unit | 1 l/min | ||
fluid temperature | 0 to 70oc (with no freezing and condensation) | ||
accuracy | display value: p3% f.s. analog output: p3% f.s. | ||
temperature characteristics | p5% f.s. (25oc reference) | ||
proof pressure note 3) | 1 mpa | ||
accumulated flow range note 4) | by 1 l | ||
maximum load current | 80 ma | ||
internal voltage drop | npn: 1 v or less (at 80 ma load current) pnp: 1.5 v or less (at 80 ma load current) | ||
output protection | short circuit protection | ||
analog output - response time note 6) | 0.5 s/1 s/2 s (linked with the switch output) | ||
analog output - current output | output current: 4 to 20 ma max. load impedance: 300 7 for 12 vdc, 600 7 for 24 vdc | ||
external input | voltage free input: 0.4 v or less (reed or solid state), input for 30 ms or longer | ||
indicator light | output 1, output 2: orange | ||
Current consumption | 50 ma or less | ||
environment - operating temperature range | 0 to 50c (with no freezing and condensation) | ||
environment - withstand voltage | 1000 vac for 1 minute between terminals and housing | ||
standards and regulations | ce marking, ul (csa), rohs | ||
piping port size | 25a | ||
weight - with lead wire with connector | 370 g |
applicable fluid | water and ethylene glycol aqueous solution (with viscosity of 3 mpa?s [3 cp] or less) note 1) | ||
rated flow range | 10 to 100 l/min | ||
set flow range | 7 to 140 l/min | ||
conversion of accumulated pulse | 1 l/pulse | ||
display unit | instantaneous flow rate: l/min, accumulated flow: l, display values updated 5 times per second | ||
repeatability | p2% f.s. note 2) | ||
operating pressure range note 3) | 0 to 1 mpa | ||
pressure loss | 45 kpa or less at the maximum flow | ||
switch output | npn or pnp open collector output | ||
maximum applied voltage | 28 vdc | ||
response time note 2), 5) | 0.5 s/1 s/2 s | ||
output mode - flow rate | select from hysteresis mode, window comparator mode, accumulated output mode, or accumulated pulse output mode. | ||
analog output - voltage output | voltage output: 1 to 5 v output impedance: 1 k7 | ||
Hysteresis | variable | ||
display method | 2-screen display (main screen: 4-digit, 7-segment, 2-color, red/green sub screen: 6-digit, 11-segment, white) | ||
power supply voltage | 12 to 24 vdc p10% | ||
environment - enclosure | ip65 | ||
environment - operating humidity range | operation, storage: 35 to 85% r.h. (with no condensation) | ||
environment - insulation resistance | 50 m7 or more (500 vdc measured via megohmmeter) between terminals and housing | ||
wetted parts material note 7) | non-grease | ||
weight - without lead wire with connector | 285 g | ||
Weight | 1.10231 lb |