Dositec DOSMART® BC 8 Basic Control Stepper Motor Chemical Dosing Pump

The DOSmart® BC is a stepper motor-driven dosing pump designed for accurate dosing of liquid chemicals. It is suitable for water treatment, agriculture, food processing, chemical dosing and general industrial applications.

The DOSmart® range covers flow rates from 1.5 to 60 L/h, with maximum pressure up to 16 bar, depending on the selected model.

The DOSmart® BC has three main operating modes: Manual mode, Proportional pulse mode and Check Info mode. These modes allow simple manual dosing, pulse-based proportional dosing and basic diagnostic/status checking.

The DOSmart® BC is the simpler version of the DOSmart range. It includes external pulse input, remote start/stop input and level alarm input, while the AC version adds advanced features such as 0/4–20mA input, ModBus, pressure sensor input, leak detection, flow detection, analogue outputs and relay outputs.

Yes. The DOSmart® BC can accept pulse input from a water meter or flowmeter. In Pulse Mode, the user sets the ratio between input pulses and pump cycles, allowing dosing to be proportional to water flow.

Pulse Mode uses an X:Y ratio, where X is the number of input pulses and Y is the number of pump cycles. The pump begins dosing after receiving pulses and adjusts its speed based on the time between pulses.

If the pulse signal is outside the allowable range, the pump will trigger a “PULSE RANGE” alarm. If the pulse frequency is too low, the pump stops. If it is too high, the pump runs at full speed and any excess pulses are ignored.

Yes. The DOSmart® BC has a remote start/stop input using a volt-free contact. When the contact is closed, the pump can run, and when the contact is open, the pump is stopped.

Check Info mode displays read-only technical and status information, including remote control status, internal temperature, power supply voltage, input pulse presence, product level status, firmware version and unit serial number.

The pump should be installed on a rigid horizontal surface, protected from water, away from heat sources and with adequate ventilation. A 150 micron suction filter is recommended, and a pressure relief valve should be installed close to the pump to protect the system from overpressure.