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ASVP | Air Sampling Vacuum Pump
Our Air Sampling Vacuum Pump (ASVP) is engineered to deliver the optimal flow of ambient air for sampling in dry rooms, cleanrooms, or environmental chambers. This unit ensures precise moisture measurements by providing the necessary airflow to our range of portable dewpoint hygrometers.
Designed for versatility and safety, the ASVP supports accurate moisture measurement across various applications, including dry or clean rooms, glove boxes, environmental chambers, product drying, and cool stores — providing an optimal flow of ambient air to the SADPmini2, SADPmini2-L or SADPmini2-Ex portable dewpoint hygrometers.
Offering an optimal flow rate of 2 litres per minute for accurate sampling, the ASVP is user-friendly with an easy-to-read colour display, a simple four-button navigation interface, a motion detection feature for usage alerts, a lockable keypad to prevent tampering and a smooth finish for easy decontamination. The ASVP is certified as intrinsically safe for operation in flammable atmospheres, allowing it to be used in potentially explosive zones — when combined with the SADPmini2-Ex portable dewpoint hygrometer.
Whatever the challenge — Alpha Moisture Systems has you covered.
- Highly customised solutions
- Trusted by industry leaders
- Distributors worldwide
- Over 30 years experience
Enhanced accuracy in controlled environments
Key features
- Long-life Li-ion battery equipped with a remaining hours display, ensuring prolonged operation to maintain continuous sampling capabilities
- A fast charger docking station is included to minimise charging time
- Rated IP65/NEMA 4X, offering robust protection against dust and water ingress, ensuring durability and reliability in various conditions
- Certified intrinsically safe to IECEx standards
- Includes a protective rubber boot for enhanced environmental protection
- Fully compatible with our SADPmini2, SADPmini2-L and SADPmini2-Ex dewpoint hygrometers
- 1m sample tube included
Technical Data
Information coming soon.
Downloads
What's in the box
ASVP (Air Sampling Vacuum Pump)
ASVP User Manual
Applications
AerospacePortable dewpoint meters are crucial in the production of aeronautical parts requiring vacuum furnace heat treatment with very dry argon, and for verifying the dryness of welding shield gas at the torch head according to NADCAP standards.
Breathing AirIn diving, firefighting, and defence applications, portable dewpoint meters are used to test high-pressure cylinder breathing apparatus to prevent equipment freeze caused by excess moisture, which could have fatal consequences.
Food PackagingPortable dewpoint meters are employed to conduct rapid spot checks of trace moisture levels, helping extend the shelf life of foods by reducing waste and carbon footprint through the use of dry gas in packaging.
HDPE ProductionUtilised for spot-checking moisture in flammable gases like ethylene feedstock, portable dewpoint meters ensure safety and efficiency in the production of polyethylene to avoid decreased yields caused by excessive moisture.
Injection MouldingPortable dewpoint meters are used to verify the dryness of air circulating through plastic pellets, improving surface finish, colour, and opacity of products — increasing yields and reducing production costs.
Medical GasesEssential for ensuring the reliability and accuracy of moisture content in hospital air systems, portable dewpoint meters help conduct continuous monitoring and quarterly spot checks to prevent microbial growth and potential infection — meeting NHS HTM02 standards.
Natural Gas and LNGPortable dewpoint meters are vital for preventing freezing issues in pipelines and valves, and preserving gas calorific value by accurately measuring moisture during transit from extraction to storage.
Natural Gas TransferBy identifying moisture ingress in gas distribution networks, portable dewpoint meters ensure the reliability of domestic gas appliances by facilitating rapid problem identification and resolution.
PharmaceuticalsPortable dewpoint meters are crucial for spot checks on inert blanketing gases in medication and medical device production, preventing microbial growth and ensuring the dryness necessary for freeze-drying processes.
Power GenerationFor routine spot checks on hydrogen used in alternator cooling, portable dewpoint meters help maintain efficiency and safety by ensuring moisture is below critical levels to avoid condensation.
SF6 Circuit BreakersPortable dewpoint meters help avoid excess moisture — a potential cause of arcing which decomposes SF6 into corrosive products, taking the switch out of service and interrupting the power to the distribution network.
Speciality GasesPortable dewpoint meters facilitate accurate moisture measurements in calibration gases, minimising the valuable product expended during the test process and ensuring compliance with specifications.
Frequently Asked QuestionsIf you have a question that’s not answered below, please contact us
How does the ASVP work with the SADPmini2 range of portable dewpoint meters?
The Air Sampling Vacuum Pump (ASVP) draws ambient air to provide a sample to the portable dewpoint hygrometer's sensor, which then analyses and displays the moisture content of the sample in either °C or °F dewpoint, ppm(V), ppm(w), mg /m3 or lb/MMSCF units. This method is particularly useful for measuring moisture in dry rooms.
Is the ASVP suitable for use in hazardous areas?
Can the ASVP be used in all environmental conditions?
What are the ASVP's lifespan and maintenance requirements?
Is the ASVP compatible with dewpoint meters other than the SADPmini2 range?
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Whatever the challenge,
you can rely on Alpha
Moisture Systems
If you require a customised trace moisture measurement solution, book a consultation with our expert technical team and find out how you can increase the efficiency and productivity of your operations.
Dewpoint Calculator for Trace Moisture Measurement
in Gases & Compressed Air