Technical specifications
Measurement system | |
---|---|
Flow range, based on N2 (intermediate ranges available) |
min. 0,3...15 mln/min max. to 0,4...20 ln/min |
Accuracy (incl. linearity) |
±1% FS |
Turndown | 1:50 (2...100%) |
Repeatability | < 0,2% Rd |
Time constant |
5 seconds |
Operating temperature | -10…+70°C |
Temperature sensitivity | zero: < 0,05% FS/°C; span: < 0,05% Rd/°C |
Leak integrity, outboard | tested < 2 x 10-9 mbar l/s He |
Attitude sensitivity | max. error at 90° off horizontal 0,2% FS at 1 bar, typical N2 |
Warm-up time | 30 min. for optimum accuracy 2 min for accuracy ± 2% FS |
Mechanical parts | |
---|---|
Material (wetted parts) | stainless steel 316L or comparable |
Pressure rating | 100 bar abs |
Process connections | compression type or face seal couplings |
Seals | standard: Viton®; options: EPDM, Kalrez® (FFKM) |
Weight | 1,0 kg |
Ingress protection (housing) | IP65 |
Electrical properties | |||
---|---|---|---|
Signal circuit | type of explosion protection: intrinsic safety Ex ib IIC, only for connection to a certified intrinsically safe circuit with the following maximum values: Ui = 28 V, Ii = 98 mA, Pi = 686 mW The effective internal capacitance between: Terminals 1 and 3: Ci = 1 nF; Effective internal inductance: Li = 0,3 mH |
||
Output signal | 15…20 mA (linear) | ||
I/O signals via PS/Readout |
analog: 0...5 Vdc, 0...10 Vdc, 0...20 mA, 4...20 mA; digital: RS232, PROFIBUS DP, DeviceNet™, Modbus RTU or ASCII, PROFINET, EtherCAT®, FLOW-BUS |
Electrical connection | |
---|---|
Ex-proof measuring head | Terminal connection, cable gland M16x1,5 |