8
HFT 250 / HFT 2500
Edition: 2020-11-03
HYDAC ELECTRONIC GMBH
Part No.: 669886
E
5 Technical data
5.1
Technical data HFT 250
Input data
Measuring ranges
[l/min]
2.5 .. 25
10 .. 100
Operating pressure [bar]
10
Pressure drop [bar]
approx. 0.3
Mechanical connection
see device dimensions / mounting dimensions
Parts in contact with fluid
Housing: Brass, nickel-plated
Spring: Stainless steel 1.4571
Inspection glass: DURAN® 50
Seals: NBR (optional FKM, EPDM)
1)
Magnets: Hard ferrite
Float: PEEK (2.5 .. 25 l/min),
Variable area float: Brass (10 .. 100 l/min)
All other parts: Brass, nickel-plated
Output data
Output signal, max. load resistance
max. current
4 .. 20 mA, 3 wire, RLmax~ 600
Ω
0 .. 10 V, 3 wire, Imax~ 10 mA
Accuracy
≤
± 10 % FS
Repeatability
2 % FS max.
Environmental Conditions
Operating temperature range
-20 .. +70 °C
Fluid temperature range
-20 .. +70 °C (Plug connection M12x1)
mark
2015/863/EU
2014/30/EU (EMV)
2011/65/EU (RoHS)
Protection type acc. to
DIN EN 60529
2)
IP65 / IP67
Supply voltage
24 V DC (19 – 30 V DC)
Other data
Weight
See device dimensions / mounting dimensions
Notes:
FS
(
F
ull
S
cale) = relative to complete measuring range
1)
Other seal materials on request
2)
With mounted
mating
connector in corresponding protection type