Product Description
Product Description
Product DescriptionAT902 Automated Filter Tester is a universal tester, development according to the standard of NIOSH 42 CFR 84, EN 149：2009, it mainly used for detecting the efficiency of the particulate respirator filtration and detecting the filtration efficiency and resistance of material. Using high precision photometer as detector to ensure accurate results.The tester is divided into two categories, oil and salt fog. The oil spray tester is using DEHS as aerosol and the salt spray tester using NaCl, the solution spray after Ruskin nozzle and drying, then form in to aerosol. The system adopts precision instrument to control flow and concentration, and through integrate of system to communicate with computer, the system has good stability, and it is easy to operate.By detecting the concentration of upstream and downstream, and then calculate the results through the formula. Airflow can be real-time monitored through electric proportional valve and flow meter, to ensure the accuracy of the test flow and the stability. The aerosol concentration can be monitored by electrical proportional valve and differential gauge, and provide stable test particles.The filtering material tester is a fully automatic instrument which can control the following actions by a computer:▲It can feedback control and read all of the working parameters automatically: including the volume, the resistance, test time and the efficiency.▲ Measuring the particle number and the resistance of sample in a test period.▲Showing operating parameters.▲The system makes use of serial communication to initiating a transfer of the data files.Machine Structure:StandardEN143GB2626-200NIOSH 42 CFR 84JMOLNote: For more standards, please contact usSpecificationModelAT902DetectorphotometerAir volume(20〜100) L/minEfficiency10%-99.99999%Test time≤14SLoading efficiency10%-99.999%Photometer detect aerosol concentration range0.001~200 mg/m3AerosolSalt, DOP, DEHS, Paroline, Corn oil, optionalResistance0-2000PaAerosol density(50〜200) mg/m3(oil); (12〜20)mg/m3(salt)DetectorphotometerMeasuring range0.3~1μmCounting median diameter0.075±0.02μm (salt)0.185±0.02μm(oil)Detect temperature5~ 35℃Related humidity0 ~ 90% RHPressure detectDigital pressure sensor (pressure difference transmitter)Pressure detect range(0~0.88)MPaEfficiency testing rangefilter efficiency: 10~99.99999%Operation displayComputerPower supply110V/220V, 50/60HzDetails & FeaturesStructure1. Split-type design, customer can change the generator easily.2. Aluminium profile frame, nice and easy to clear.3. The machine can be calibrated and all the origin date is available.Multifunction1. This machine can be used for different filter material 2. Customized clamp for different sample size is available 3. Both salt solution and oil solution test can run on this machineHigh Accuracy1. Adopted high quality photometer2. Equipped with oil water separator to avoid water effect test result3. Test date accuracy reach to 0.00001%Software1. Support Chinese and English, menu type operating mode and large LCD display, it’s easy to switch2. Two test method available: efficient test and load test3. Simple, fast and automated operationOur CompanyHistorySince 1982 with more than 20 years’ experienceWarrantyTwo Year Warranty for whole productTrainingVideo and user manual for trainingOnsite serviceInstallation and training service is availableTesting serviceFree sample testing before order is availableLead time15 working days lead time for most productPacking & DeliveryPackagingPackaging Details1. The equipment is covered with film is protect it from water vapour during the trip. 2. The box is filled with foam to protect the equipment from impact. 3. Exported wooden box made from plywood, don't need fumigated. PaymentPayment TermT/TEXW30% T/T in advance, paid the balance before shipmentFOBCFR(C&F)30% T/T in advance, paid the balance against copy of B/LCIFL/CL/C amount above 50,000 usd, we can accept L/C at sightWest UnionAmount lower than 5000usdWest UnionDelivery Time7~10days after receiving payment for one containerContacting Us
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