Vacuum Pumps for Asphalt Testing Applications
High Vacuum Pump
Perfect high-vacuum pump for Rice Test applications
Two-Stage Vacuum Pump
Pump pulls 29-30" maximum vacuum - great for Rice Test application
Guaranteed ultimate vacuum is 25-29" (635-736mm) mercury
Two-Stage Oil-less Vacuum Pump
Two-stage oil-less solution pulls 29" Hg maximum
Vacuum Pump Oil
High purity oil with low vapor pressure remains fairly constant up to 50°C (122°F).
Flushing Oil for Vacuum Pumps
Purges contaminants from oil, such as water and solvents, 1-gallon container
Digital Timer, Humboldt
Reliable, Digital Timer for Rice Test applications
Universal Analog Timer
Portable timer automatically shuts off electrical apparatus at set time up to 60 minutes.
Vacuum Pumps, continued
When preparing for the Rice Tests, high vacuum pumps are used to remove the free air in samples while also distilling, filtrating and degassing the system. These vacuums ensure moisture removal while reducing evacuation time due to the high pumping capacity.
Humboldt offers a variety of vacuum pumps and accessories for the Rice Test. These include:
High Vacuum Pump: this two-stage rotary sliding vane high vacuum pump reduces the risk of oil being sucked into the system
Two-Stage Vacuum Pump: this belt-driven pump that operates on the oil-sealed rotary vane principle is designed for continuous use
Vacuum Pump: this more basic pump is high vacuum yet small capacity, perfect for general purpose work with low maintenance
Two-Stage Oil-less Vacuum Pump: this oil-less pump is low ultimate pressure and low noise, perfect for a cleaner vacuum environment