Burkert Type 8709 - Manual (Page 25)

25
Technical Data
6.6. fluidic data
Final value (Q
nom
): 0.6 – 36 l/h with regard to water (see rating plate / calibration protocol)
Measuring range / control range: 1 : 10
Measuring precision: ± 1.5% o.r. ± 0.5% f.s. (after 15 min. warming up time)
Reproducibility: ± 0.5% f.s.
Correction time (t
95%
): < 500 ms
Max. operating pressure: 2 bar
rel
, 6 bar
rel
, 10 bar
rel
,
according to version depending on the nominal size of the valve and the sensor
measuring range (for more detailed information see calibration protocol)
Calibration fluid: Operating fluid or water (see calibration protocol)
Port connections: G1/4 or NPT1/4
8708, 8718: also available as flanged connection
electrical data 6.7.
Power supply: 24 V DC ± 10% residual ripple < 2%
Power consumption: 8718 and 8719: max. 7.5 W
for field bus version max. 10 W
8708 and 8709: max. 2.5 W
for field bus version max max. 5 W
Inputs:
Set-point value: Standard signal 0/4 – 20 mA
max. input impedance: 300 Ω
Resolution: 5 µA
Standard signal 0 – 5/10 V
min. input impedance: 20 k Ω
Resolution: 2.5 mV
Binary input: Low-active, for activation connect to DGND (for binary inputs)
(assignment can be configured)
8709 and 8719: 3 binary inputs
8708 and 8718: 2 binary inputs
english
Type 8718, 8719 / 8708, 8709