Lab Vacuum Pump, Portable Oilless Vacuum Filtration Pump, 0-12 L/min Flow Rate with Positive（150 KPa） and Negative（-75 KPa） Pressure, for Liquid Filtration

Welcome to my shop! Specifications: Name: Portable Laboratory Vacuum Pump Flow Rate Range: 0-12 L/min Limited Negative Pressure: -75 kPa Maximum Positive Pressure: 150 kPa Noise Level: ≤55dB Battery Life: 10-11h Multiple Protections: Lithium battery overcurrent, short circuit, overcharge, and over-discharge protection Operating Voltage: DC24V Product Weight: 2.2kg Product Dimensions: 125*190*140mm Model: VP-G (Negative Pressure Display Type) Display Method: Pointer Vacuum Gauge/Power Display Flow Adjustment Method: Speed ​​Control Knob Model: VP-S (One-Button Cleaning Type) Display Method: Pointer Vacuum Gauge/Power Display Flow Adjustment Method: Speed ​​Control Knob Special Feature: One-button positive/negative pressure switching (cleaning function) Model: VP-F (Flow Meter Type) Display Method: Gas Flow Meter/Power Display Flow Adjustment Method: Coarse adjustment with speed control knob/fine adjustment with flow meter knob Package List: Portable Vacuum Pump *1

• 【True High Capacity & Longer Battery Life】Utilizes high-capacity automotive-grade battery cells, providing ample power and a longer lifespan. It can drive the built-in miniature high-power vacuum pump for up to 11h at maximum operating speed, meeting the needs of various outdoor and indoor applications!
• 【Intelligent Protection & Reliable Operation】The battery pack incorporates a second-generation intelligent protection board, improving battery energy utilization and lifespan, preventing overcharging and over-discharging, and providing a continuous and reliable current output to the vacuum pump, making the battery pack safer and more reliable.
• 【Compact Size & Portability】Featuring a compact design, the pump is 10-50% smaller than traditional pumps. Personnel can quickly carry the pump to outdoor or indoor workplaces for rapid deployment of vacuum processes, improving work efficiency.
• 【Low Noise & Pollution-Free Operation】The vacuum pump utilizes a low-noise design with optimized pump installation structure to reduce vibration and noise. Multiple noise reduction optimizations result in lower noise levels, lower machine operating noise, and oil-free operation, making it more environmentally friendly and suitable for environments with high noise requirements.
• 【Applications】Primarily used for outdoor/indoor vacuum gas sampling, laboratory vacuum filtration, solution filtration, sample concentration, vacuum distillation, vacuum drying, vacuum degassing, solid-phase extraction, waste liquid collection, and gas filling.