Power supply
85 - 265 Vac, 45-65 Hz less than 20 VA, 24 Vdc optional
Accuracy
±0.2% of measured flow, greater than or equal to 0.5 m/s
±1.25 mm/s of measured flow, less than 0.5 m/s
Repeatability
Less than 0.1% of full scale
Scale
0.03 – 12 m/s
Conductivity
min. 5 µS/cm (20 µS/cm for demineralized water)
Flow direction
Bidirectional
Display
LCD, 4 lines / 16 characters, back-paired, flow, 3 totalizers and status indicator
Programming
3 buttons or via magnetic pen
Interface
RS232 for measured values and programming
Analog output
0/4- 20 mA ≤750 ohms, flow direction indicated on separate logic output
Pulse output
active or passive, 2 open collectors and 2 relays
Open collector: active 18 Vdc, 25 mA, passive 24 Vdc, 20 mA (max. 0.5 W)
Frequency output
max. 10 kHz (open collector)
Status indication output
Min/max alarm, preselection, flow direction, error message (freely configurable)
Empty tube detection
Separate electrode
Low-flow shutdown
0–10 %
Housing
Cast aluminum
Protection
IP67
Cable gland
3xM20
Ambient temperature
-20°C to +60°C
Hazardous area approvals
M3000:
FM/CSA class I, div. 2 / zone 2
ATEX II 3 G Ex nA ia IIC T3 Ta = -20°C to +50°C, IP66 (complete flowmeter)
ATEX II 3 G Ex nA [ia] IIC T3 Ta = -20°C to +50°C, IP66 (converter only)
M4000:
FM/CSA class I, div. 1 / zone 1
ATEX II 2 G Ex d e ia IIC T3 Ta = -20°C to +50°C, IP66 (complete flowmeter)
ATEX II 2 G Ex d [ia] IIC T4 Ta = -20°C to +50°C, IP66 (converter only)
