
LaboratoryLiquid Processing InstrumentsPeristaltic Pump
WT300S (New) High-Torque Variable-Speed Peristaltic Pump
Flow rate: 0.004–3850 mL/min. Up to 4 channels.
- LF-LCD-OS software with high-definition LCD, Chinese/English interface, easy parameter settings and intuitive operating status.
- High-quality, high-torque brushless servo motor for precise speed, wide operating range, stable running and accurate flow delivery.
- Durable industrial membrane keypad.
- Universal LF-EasyChange high-torque design compatible with multiple KZ25, KZ25-L and GN10 pump heads.
- Start/stop, reversible direction, full-speed operation, speed adjustment and power-off state memory.
- Configurable run time, interval time and cycle count for timed filling and flow testing.
- Deceleration and reverse suck-back functions help prevent drips at shutdown.
- Key lock helps prevent unintended operation.
- Optional Lead Fluid app control for remote start/stop, speed and timed operation, with shutdown alarms and tubing-replacement reminders.
- Easy-to-clean 304 stainless-steel housing resistant to various organic solvents.
- Internal dual-insulation structure protects the circuit system from dust and moisture.
- High interference immunity and wide supply-voltage range.
- RS485 communication with MODBUS protocol for device integration.
- Optically isolated external start/stop, forward/reverse and speed controls.
- Operating-status signal outputs for start/stop, direction and current speed.
- Optional external thermal printer for real-time operating parameters.
- Supports accessories such as a foot switch, pulsation damper and leak detector.
Shared specifications and options
Specifications
| Parameter | Value |
|---|---|
| Flow Rate Range | 0.004~3850mL/min |
| Speed Range | 0.1~350rpm |
| Speed Resolution | 0.1rpm (Speed≤100rpm),1rpm (Speed>100rpm) |
| accuracy of Speed | <0.5% |
| Power Supply | AC 180-264V 50Hz/60Hz (standard); AC 90-132V 50Hz/60Hz (optional) |
| Power Consumption | <150W |
| External Control | Analog external control: 0–5 V, 0–10 V or 4–20 mA; external start/stop control; external-control input level: 5 V, 12 V or 24 V. |
| Communication Interface | RS485 communication interface; MODBUS protocol supported. |
| Operating Environment | temperature 0 ~ 40℃, relative humidity <80% |
| IP Rating | IP31 |
| Dimensions (LxWxH) | 318mmx185mmx230mm |
| Controller Weight | 5.9kg |
Compatible Pump Heads, Tubing and Flow Rate Parameters
| Pump Head | channel | Tubing | Flow Rate of a channel (mL/min) |
|---|---|---|---|
| YZ15T/YZ15 | 1,2,4 | 13#14#19#16#25#17#18# | 0.005~1495 |
| YT25 | 1,2,4 | 114#116#15#24#35#36# | 0.024~1750 |
| DT15-24/44 | 2,4 | 19#16#25#17# | 0.067~1307 |
| KZ25 | 1,2 | 15#24#35#36# | 0.31~3850 |
| KZ25-L | 1 | 15#24#35#36# | 0.31~3850 |
| GN10 | 1 | 2.48x0.76 | 0.004~12 |



