Burkert 8626 - Type 8711; 8701 MASS FLOW Cmosens

20 - MFC/MFM
english
Type 8711 / 8701 MASS FLOW CMOSens
®
Full scale range (Q
nom
) 0.02 to 50 l
N
/ min (N
2
equivalent)
Operating media neutral, non-contaminated gases, others on request
max. operating pressure
(inlet)
10 bar (145 psi), depends on valve orifice
Calibration medium operating gas or air with conversion factor
Medium temperature -10 to + 70 °C
Ambient temperature -10 to + 50 °C
Measurement accuracy
(after 1 min. warm-up)
± 0.8 % of Rdg. ± 0.3 % F.S.
Linearity ± 0.1 % F.S.
Reproducibility ± 0.1 % F.S.
Control range / Span 1:50, higher span on request
Settling time (T
95%
) < 300 ms
Power Supply 24 V DC, ± 10 %; residual ripple < 5%
Connection cross-section min. 0.25 mm
2
(better 0.5 mm
2
)
Power consumption max. 13 W (dep. on valve)
Electrical isolation no
Setpoint setting
(to be chosen)
Resolution
Input impedance
(voltage input)
Input impedance
(current input)
0 - 10V
0 - 5 V
0 - 20 mA or 4 - 20 mA
2.5 mV or 5 µA
> 20 kOhm
< 300 Ohm
2 binary inputs Low-activated, connected to GND to activate
Process value output
(to be chosen)
Resolution
Max. voltage
(voltage output)
max. Burden
(current output)
0 - 10V
0 - 5 V
0 - 20 mA or 4 - 20 mA
10 mV or 20 µA
10 mA
600 Ohm
1 Relay output Potential-free changeover 25 V, 1 A, 25 VA
Connection 15-pole Sub-D-Socket
5-pole M12 plug (only with DeviceNet)
5-pole M12 socket (only with Profibus DP)
Type of protection IP 50
Housing material /
Cover material
Aluminium or stainless steel / sheet steel, chrome
plated or PBT
Installation position horizontal or vertical