Flow Transmitter Controller ARK81

Fully digital flow transmitter-controller with transmit and control in one unit; batch control, 4-20mA, RS485 and relay outputs, IP65.

Max flow

—

Max pressure

—

Turndown / accuracy

±1%

Wetted materials

—

Protection

IP65

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

Fully digital design, strong EMI immunity
SMT process, stable low-power measurement
Transmit + control with optional batch volume control
RS485 for direct digital-system connection
Panel, wall or integral mounting
IP65 chemical-resistant, nearly maintenance-free

Specifications

Measuring range	0-10 kHz (n < 120000 rpm)
Linearity	±1%
Repeatability	±0.5%
Outputs	relay / 4-20mA / RS485 / pulse
Power	DC 24V
Protection	IP65

Applications

Pipeline flow monitoring and control

Proportional dosing interlock

Batch dosing control

Industrial process flow metering

Materials & media

Ask for wetted-parts details or check the brochure.

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

Controls & communication

Relay HI/LO	Standard
4-20mA	Standard
RS485	Standard
Pulse out	Standard
Batch volume control	—

Models & specs

Model	Notes
ARK81-11	integral tube channels mounting + transmitter mode
ARK81-12	integral + multi-mode control
ARK81-21	panel-mounted type + transmitter mode (for example)
ARK81-22	panel-mounted type + multi-mode control
ARK81-31	wall-mounted + transmitter mode
ARK81-32	wall-mounted + multi-mode control