Flow Sensor ARK61

Hall-effect paddle-wheel flow sensor with NPN pulse output; wetted parts PP/PTFE/SS316, DN15-DN600, IP68.

Max flow

—

Max pressure

—

Turndown / accuracy

1:12

Wetted materials

—

Protection

IP68

Power

—

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Best for: verifying flow/pressure and control interfaces against your dosing duty (Multi-Parameter Analyzers). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Hall pulse output, open-collector NPN
Corrosion-resistant wetted parts PP/PTFE/SS316
Standalone pulse drive for pumps/valves
Tee, saddle, wafer and weld-in mounts
Integral or remote transmitter styles
IP68, reliable and maintenance-free

Specifications

Velocity range	0.5 - 6 m/s
Pipe size	DN15 - DN600
Turndown	1:12
Supply	DC 5-24V
Protection	IP68
Accuracy	±5%, ±0.5%

Applications

Industrial pipeline flow measurement

Dosing proportional-control input

Cooling-water flow monitoring

Water-treatment process metering

Materials & media

Sensor body	PP / PTFE / SS316
Impeller	PP / PTFE
O-ring	FPM
Bearing/shaft	ceramic / ceramic

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Control options are listed in notes or confirmed on inquiry.

Models & specs

Model	Notes
ARK61-11P	DN25-DN100 / PP
ARK61-12P	DN25-DN100 / PP (example)
ARK61-11S	DN25-DN100 / SS316
ARK61-21P	DN125-DN600 / PP
ARK61-22P	DN125-DN600 / PP
ARK61-22S	DN125-DN600 / SS316