Product description
Model FD-H20
Type Standard model
Supported pipe diameter 1/2″ (15A), ø18–23 ø0.71″-0.91″; 3/4″ (20A), ø23–28 ø0.91″-1.10″
Supported pipe materials Metal piping, hard plastic piping
Supported fluids All fluids (water, oil, chemicals, etc.)
Supported fluid temperature 0–85°C 32–185°F (no freezing on pipe surface)
Maximum rated flow 1/2″ (15A) : 60 L/min 15.9 gal/min; 3/4″ (20A) : 100 L/min 26.4 gal/min
Zero cut flow rate 0.5 L/min 0.13 gal/min (variable, initial value)
Detection principle Delta TOF + Pulse Doppler
Function for automatic correction for speed of sound in liquid Yes
Display QVGA 2.0 model: color LCD, status indicator light
Display update cycle Approx. 10 times/second
Display resolution
Instantaneous flow 0.01/0.1/1 (L/min) (default value: 0.1)
Integrated flow 0.01/0.1/1 (L) (default value: 0.1; up to 8 digits)
Response time 0.5 s / 1.0 s / 2.5 s / 5.0 s / 10.0 s / 30.0 s / 60.0 s / 120.0 s / 200.0 s
Measurement accuracy
Between 10 and 100% of F.S.: ±3.0% of RD
Between 0 and 10% of F.S.: ±0.3% of F.S.
Repeatability 0.5 s: ±1.0%, 1 s: ±0.7%, 2.5 s: ±0.45%, 5 s: ±0.3%, 10 s: ±0.2%, 30 s: ±0.15%, 60 s: ±0.1% of F.S.*3*5
Hysteresis Variable
Flow units L/min m3/h G/min
Pulse output increments (L) 0.02–999.99
Pipe temperature measurement accuracy ±2.0°C ±3.5°F (pipe temperature 0–50°C 32–122°F), ±3.0°C ±5.4°F (pipe temperature 50–85°C 122–185°F) (ambient temperature of 25°C 77°F)*3
Network support IO-Link