| Model | Flow rate measurement range Note 1) | Set flow rate range Note 1) | Minimum set unit Note 1) | Accumulated pulse flow rate exchangevalue (Pulse width: 50 ms) Note 1) | Note 2) Display units | Accumulated flow range Note 3) | Linearity Note 4) | Repeatability Note 4) | Temperature characteristics | Current consumption (No load) | Weight | Output Note 5)specifications | Resistance | Indicator light | Status LED?s | Power supply voltage | Response time | Hysteresis |
| PF2W330/331 | 7 to 110 l/min | 7 to 110 l/min | 1 l/min | 1 l/pulse | l/min, gal(US)/min | l, gal(US) | 0 to 999999 l | ?3% F.S. or less | ?1% F.S. or less | ?2% F.S. or less (0 to 50C, based on 25C), ?1% F.S. or less (15 to 35C, based on 25C) | 60 mA or less | 45 g | Maximum load current: 80 mAInternal voltage drop: 1 V or less (with load current of 80 mA) NPN open collector (PF2W300, PF2W330) Maximum applied voltage: 30 V2 outputs | Maximum load current: 80 mAPNP open collector (PF2W301, PF2W331) Internal voltage drop: 1.5 V or less (with load current of 80 mA)2 outputs | NPN or PNP open collector (same as switch output) | IP40 | Operating: 0 to 50C, Stored: ?25 to 85C (with no freezing and condensation) | 1000 VAC for 1 min. between external terminal and case | 50M or more (500 VDC Mega) between external terminal and case | 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. | 490 m/s2 in X, Y, Z directions 3 times each | 1000 Vp-p, Pulse width 1 ?s, Rise time 1 ns | 3-digit, 7-segment LED | Illuminates when output is ON, OUT1: Green; OUT2: Red | 12 to 24 VDC (ripple ?10% or less) | 1 sec. or less | Hysteresis mode: Variable (can be set from 0) Window comparator mode: 3-digit fixed Note 6) |
