• Peristaltic Pump, Flow Rate 70 μL/min - 1140 mL/min, Dual Channels -BT300-2J

This medium flow rate Peristaltic Pump (BT300-2J) can generate adjustable flow rates in the range of 70 μL/min - 1140 mL/min. The pump can be controlled through  the control panel, an external control interface  or a RS485 interface, and the running parameters are saved automatically.

Key Features

  • Compatible pump heads: YZ1515X, YZ2515X,  YZII15and YZII25
  • Prime key for fast filling and dispensing
  • Adjust speed manually or automatically through an analog interface
  • Memory function: store running parameters automatically
  • Membrane keypad, easy to operate
  • Equipped with Longer dispensing controller for filling function

Typical Applications

  • Precision liquid handling or delivery
  • Bio-lab applications
  • Suitable for laboratory and industrial application


Model Number                                                  BT300-2J
Rotational Rate1 - 300 rpm, CW/CCW
Rotational Rate Precision1 rpm
Rotational Rate ControlRotary encoded switch
Display3-digit LED displays current speed
External Control

Start/stop and cw/ccw control

0 to 5 V, 0 to 10 V, 4 to 20 mA and 0 to 10 kHz speed control 

Communication InterfaceRS485
Power Supply90 - 260 VAC, 50/60 Hz
Power-off MemoryReturn to previous status when powered on
Power Consumption<48 W 
Operation TemperatureTemperature 0 - 40 °C
Humidity<80%
Dimensions (L × W × H)
285 × 207× 180 (mm) 
Pump Weight3.6 kg
IP rating
IP 31


Pump Head Selection


Pump HeadTubingMax. Flow Rate (mL/min)Weight (kg)
YZ1515x, YZII1513# 14# 19# 16# 25# 17# 18#11404.0
YZ2515x15# 24#8404.0
YZII2515# 24# 35# 36#15004.0
DG15-2416# 25#17#900 (single channel)4.4



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Peristaltic Pump, Flow Rate 70 μL/min - 1140 mL/min, Dual Channels -BT300-2J

  • Brand: Longer
  • Product Code: BT300-2J
  • Availability: In Stock
  • $772.60


Available Options


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Tags: Microfluidic, Metering Pump, Sample Preparation, Peristaltic Pump, Dispensing and filling