Pumps/ peristaltic pumps/ Longer Pump BT100-1L&DG-4-ASpecifications- Speed: 0.1rpm-100rpm, CW/CCW- Speed resolution: 0.1rpm- Control mode: Control panel, external signal control and communication control are available- Display: 128 × 32 graphic LCD for current running status- Calibration function: Improve flow rate accuracy- External control: Start/stop, direction and speed control (4-20mA, 0-5V, 0-10V, external control module optional)- Communication interface: RS485- Power-off memory: Return to previous status when powered on- Prime: For fast filling and emptying at full speed- Dimension (L × W × H): 202 × 160 × 239 (mm)- Power supply: AC 110V ±10% / 50W or AC 220V ±10% / 50W optional- Operating temperature: 0 to 40°C- Relative humidity: <80%- IP rating: IP31- Weight: 5.3kg