The Stenner Econ LD Series Low Volume Pump 2.4 oz/hr #M Tube 230V is a compact, peristaltic pump designed for reliably metering low volume amounts. The quiet, long lasting brushless motor, in a totally enclosed housing, offers premium quality at an economical price. The LD series is adjustable with a potentiometer to control outputs with a 50:1 turndown. 
Features:  

• Manually adjustable flow rate output
• Quick Release Pump Head
• Enclosed housing
• Self-priming, does not lose prime or vapor lock
• Pumps off-gassing solutions and can run dry
• 3-point roller design assists with anti-siphon
• Tube replacement without tools
• Output reproducibility
• Tube lubrication not required

Specifications:

• Maximum Working Pressure: 80 psi (5.5 bar) 
• Maximum Operating Temperature: 104°F (40°C) 
• Maximum Suction Lift: 25 ft (7.6 m) vertical lift, based on water 
• Maximum Viscosity: 50 Centipoise  
• Uses: Indoor/Outdoor 
• Output Range: 0.04 to 2.4 ounces per hour, with pressures to 80 psi