Burkert 8626 - Type 8713; 8703 MASS FLOW Cmosens

22 - MFC/MFM
english
Type 8713 / 8703 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.
Repeatability ± 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 mm² (better: 0.5 mm²)
Power consumption max. 6.5 W
Electrical isolation yes
Setpoint setting Digital communication via RS 485
1 binary input Low-activated, connected to GND to activate
Process value output Digital communication via RS 485
1 relay output Potential-free changeover 25 V, 1 A, 25 VA
Connections 9-pole Sub-D-plug
Type of protection IP 50
Housing material
/ Cover material
Aluminium or stainless steel 1.4305 / sheet steel,
chrome plated
Installation position horizontal or vertical