Features

• Fitted with a 128 × 64 dot‑matrix large‑size LCD screen and pulse‑encoder knob for an intuitive, easy‑to‑operate human‑machine interface.
• Simultaneous on‑screen read‑out for flow rate and motor RPM; built‑in flow‑calibration function.
• Comes with standard communication ports and supported protocols. Custom‑made upper‑computer control software can be developed to satisfy individual‑user demands.
• Physical keys support start‑stop, clockwise/counter‑clockwise rotation and rotating‑speed adjustment.
• Data‑exchange capability with host computer.
• Equipped with power‑fail memory, earth‑leakage protection and over‑temperature protection.

Technical parameters

• Motor speed adjustment‑range: 1‑300 rpm
• Speed‑setting resolution: 0.1 rpm for speeds ≤100 rpm; 1 rpm for speeds over 100 rpm
• Rated output torque: 0.8 N·m
• Control modes: Knob‑and‑key manual operation, external analogue‑signal control and serial‑communication control
• Display: LCD simultaneous display of flow‑rate and motor RPM
• Flow calibration: Automatic flow correction after entering the measured actual‑flow reading
• External signal control for start‑stop, CW/CCW rotation and speed setting (4‑20 mA, 0‑5 V, 0‑10 V selectable)
• Communication port: RS485
• Power‑fail memory: resumes the operating state prior to power loss after reboot
• Maximum‑speed shortcut key, used for quick emptying, filling and pipeline cleaning
• Overall dimensions: 202 × 153 × 260 mm
• Selectable power‑supply: AC 110 V / 50 Hz or AC 220 V / 50 Hz
• Ambient operating‑temperature: 0 ℃‑40 ℃
• Allowable relative‑humidity: ＜80%
• Net weight: 5.3 kg
• Ingress‑protection grade: IP31

Diagram