Technical specifications
Measurement / control system |
Flow range
(intermediate ranges available) |
min. 0,1…10 kg/h
max. 1…100 kg/h |
Mass flow accuracy |
Liquid: ±0,2% of rate;
Gas: ±0,5% of rate |
Turndown |
up to 1:100 |
Repeatability |
±0,1% of rate (based on digital output) |
Zero Stability (ZS)* |
< ±0,05 kg/h |
Operating temperature |
standard: 0…70°C;
max. 50°C for ATEX Cat.3, Zone 2;
max. 120°C (ambient+fluid) for special version with remote electronics (130°C ≤ 1 hour allowed for CIP) |
Mounting*** |
Any position, attitude sensitivity negligible |
Leak integrity |
Outboard < 2 x 10-9 mbar l/s He |
Warm-up time |
> 30 min. for optimum accuracy |
Mechanical parts |
Material (wetted parts) |
stainless steel 316L or comparable;
optional: Hastelloy-C22 |
Pressure rating |
200 bar abs |
Process connections (welded) |
compression type or face seal couplings |
Seals |
metal |
Ingress protection (housing) |
IP65 (weatherproof) |
Electrical properties |
Power supply |
+15…24 Vdc +/- 10%
Max. ripple recommended: 50 mV tt |
Power consumption |
Meter: approx. 80 mA at 15 Vdc |
Analog output |
0...5 (10) Vdc, min. load impedance > 2 kΩ;
0 (4)...20 mA (sourcing), max. load impedance < 375 Ω |
Analog setpoint
(for MFM + pump or control valve) |
0...5 (10) Vdc, min. load impedance > 424 kΩ;
0 (4)...20 mA (sourcing), max. load impedance ~ 250 Ω |
Digital communication |
standard: RS232;
options: PROFIBUS DP, DeviceNet™, Modbus RTU or ASCII, FLOW-BUS |
Electrical connection |
Analog/RS232 |
8-pin DIN (male); |
PROFIBUS DP |
bus: 5-pin M12 (female);
power: 8-pin DIN (male); |
Devicenet™/FLOW-BUS/Modbus |
5-pin M12 (male); |
Control valve options |
M54+C0I: Gas flow control valve |
Kv-max= 6,6 x 10-2 |
M54+C2I: Liquid flow control valve |
Kv-max= 2,3 x 10-3 |
M54+C5I: Gas/Liquid flow control valve |
Kv-max= 6,6 x 10-2 |
M54+F-004AI: Gas/Liquid flow control |
Kv-max= 3,0 x 10-1 |
M54+F-004BI: Gas/Liquid flow control |
Kv-max= 1,0 |
* Guaranteed at constant temperature and for unchanging process and environment conditions.
** Depends on flow rate, heat capacity fluid, T amb., T fluid and cooling capacity.
*** External shocks or vibrations should be avoided.
Technical specifications and dimensions subject to change without notice.