| model - | pf2w704t | ||
| flow rate measurement range | 0.35 to 4.5 l/min | ||
| rated flow range | 0.5 to 4 l/min | ||
| accumulated pulse flow rate exchange value (pulse width: 50 ms) | 0.05 l/pulse | ||
| Linearity | ?5% f.s. or less | ||
| temperature characteristics note 1) | ?5% f.s. or less (0 to 90c, based on 25c) | ||
| weight note 2) | 710 g | ||
| detection type | karman vortex | ||
| display units note 3) - real-time flow rate | l/min, gal(us)/min | ||
| operating pressure range | 0 to 1 mpa | ||
| accumulated flow range note 4) | 0 to 999999 l | ||
| output note 5)specifications - accumulated pulse output | npn or pnp open collector (same as switch output) | ||
| response time | 1 sec. or less | ||
| power supply voltage | 12 to 24 vdc (ripple ?10% or less) | ||
| resistance - operating temperature range | operating: 0 to 50c, stored: ?25 to 85c (with no freezing and condensation) | ||
| resistance - insulation resistance | 50m and more (500 vdc mega) between external terminal and case | ||
| resistance - impact resistance | 490 m/s2 in x, y, z directions 3 times each | ||
| Weight | 1.62533 lb |
| measured fluid | water, mixture of water (50%) and ethylene glycol (50%) | ||
| set flow rate range | 0.35 to 4.5 l/min | ||
| minimum set unit | 0.05 l/min | ||
| operating fluid temperature | 0 to 90c (with no cavitation) | ||
| repeatability | ?3% f.s. or less | ||
| current consumption (no load) | 70 ma or less | ||
| port size (rc, npt, g) | 3/8 | ||
| indicator light | 3-digit, 7-segment led | ||
| display units note 3) - accumulated flow | l, gal(us) | ||
| withstand pressure | 1.5 mpa | ||
| output note 5)specifications - switch output | pnp open collector maximum load current: 80 ma; internal voltage drop: 1.5 v or less (with load current of 80 ma); 2 outputs | ||
| status led?s | illuminates when output is on out1: green; out2: red | ||
| Hysteresis | hysteresis mode: variable (can be set from 0); window comparator mode note 6): 3-digit fixed | ||
| resistance - enclosure | ip65 | ||
| resistance - withstand voltage | 1000 vac for 1 min. between external terminal and case | ||
| resistance - vibration resistance | 10 to 500 hz with a 1.5 mm amplitude or 98 m/s2 acceleration in each x, y, z direction for 2 hrs, whichever is smaller. | ||
| resistance - noise resistance | 1000 vp-p, pulse width 1 ?s, rise time 1 ns |
