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Definition: Dielectric Constant

A dielectric constant is the product of charge density times charge displacement. This is for a medium response to a unit applied electric field.


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    Short Lead times.
    Lab Water Deionizer




    P12XL4
    APS Polaris XL 4 Lab Water System

    Retail Price : US$6,499.00
    Todays Price : US$4,650.00



    P2D2-M
    APS Polaris D2 Water System with Quality Meter

    Retail Price : US$2,966.00
    Todays Price : US$2,570.25



    P2D3-M
    APS Polaris D3 Water System with Quality Meter

    Retail Price : US$3,496.94
    Todays Price : US$2,830.20



    P2D1-M
    APS Polaris D1 Water System with Quality Meter

    Retail Price : US$2,118.94
    Todays Price : US$1,761.72
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    APS Polaris XL 4 Lab Water System
    APS Polaris XL 4 Lab Water System


    TAKING PRE-ORDERS
    Short lead Time. 


    This high capacity four housing lab water system is designed to provide up to 3 l.p.m. of ultrapure water exceeding ASTM and CAP Type I, II or III specifications.

    See all Polaris Systems Here

    PROUDLY MADE IN THE USA


    US$4,650.00 Details
    APS Polaris D2 Water System with Quality Meter
    APS Polaris D2 Water System with Quality Meter

    This dual housing water system is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Comparable to Barnstead D4521

    Operating Manual

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions :  18" W X 28" H X 6" D

    US$2,570.25 Details
    APS Polaris D3 Water System with Quality Meter
    APS Polaris D3 Water System with Quality Meter

    This high capacity triple housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Operating Manual

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions : 23" W X 28" H X 6" D

    US$2,830.20 Details
    APS Polaris D1 Water System with Quality Meter
    APS Polaris D1 Water System with Quality Meter

    This compact single housing is designed to provide 1 g.p.m. of ultrapure water exceeding ASTM and CAP Type II specifications.  

    Comparable to Barnstead D4511

    See all Polaris Systems Here


    PROUDLY MADE IN THE USA

    Dimensions : 12" W X 28" H X 6" D

    Operating Manual

    US$1,761.72 Details
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    Best
    Lab Water System




    50132370
    Barnstead MicroPure UV/UF

    Retail Price : US$7,610.00
    Todays Price : US$6,772.90



    50132372
    Barnstead MicroPure UV/UF-ST

    Retail Price : US$7,820.00
    Todays Price : US$6,959.80



    50132373
    Barnstead MicroPure UV

    Retail Price : US$6,750.00
    Todays Price : US$5,737.50
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    Barnstead MicroPure UV/UF
    Barnstead MicroPure UV/UF

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters.

    Replacement filters

    This is the replacement for the popular EasyPure UV/UF LF systems.

    Operating Manual

    US$6,772.90 Details
    Barnstead MicroPure UV/UF-ST
    Barnstead MicroPure UV/UF-ST

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters. Does not require a permanent feed source. Portable. Just pour tap or treated water into the internal reservoir to produce ultrapure water. 

    Replacement filters

    This is the replacement for the popular EasyPure UV/UF RF systems.

    Operating Manual

    US$6,959.80 Details
    Barnstead MicroPure UV
    Barnstead MicroPure UV

    Barnstead MicroPure Laboratory Water Purification System - Provides Type I Ultrapure Water.

    Systems come with the filters.

    Replacement filters

    This is the replacement for the popular EasyPure UV LF systems.

    Operating Manual

    US$5,737.50 Details
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    Top Sellers




    MB1801
    High Purity Mixed Bed Deionizer

    Retail Price : US$221.00
    Todays Price : US$149.80



    GSX28
    O-RING 4.190IDX.139 EPR 50

    Retail Price : US$17.45
    Todays Price : US$14.97



    D0809
    CARTRIDGE ULTRAPURE SPG

    Retail Price : US$214.00
    Todays Price : US$190.46



    Res Care-G
    Pro Res Care Cleaner Chemical Case of 4

    Retail Price : US$152.85
    Todays Price : US$113.22



    CF10D1
    Activated Carbon Filter

    Retail Price : US$25.65
    Todays Price : US$19.04



    SB1801
    High Capacity Dual Bed Cartridge Filter

    Retail Price : US$205.00
    Todays Price : US$143.50



    D50237
    Barnstead Easy Cool Filter - Upflow

    Retail Price : US$97.80
    Todays Price : US$90.95



    HC19H1-D
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II

    Retail Price : US$135.06
    Todays Price : US$106.25
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    High Purity Mixed Bed Deionizer
    High Purity Mixed Bed Deionizer

    Removes ionic contamination from water.

    Comparable to Barnstead D0809 and D5027 Ultra Pure Mixed Bed Filter. vp-17-4010

    US$149.80 Details
    O-RING 4.190IDX.139 EPR 50
    O-RING 4.190IDX.139 EPR 50

    Factory Original - Use with E-pure, B-Pure and Nanopure Quad systems and housings only. 1/pk AKA GSX-28



    US$14.97 Details
    CARTRIDGE ULTRAPURE SPG
    CARTRIDGE ULTRAPURE SPG

    Barnstead Brand Filter
    Comparable to APS Ultra Brand MB1801 filter cartridge, D0808 and vp-17-4010

    US$190.46 Details
    Pro Res Care Cleaner Chemical Case of 4
    Pro Res Care Cleaner Chemical Case of 4

    Case - 4 ea 1 gallon bottles. Same as Res-Up
    Chemical Feeders
    Pro-Res-Care is the pro version Res-Up.
    This item can not be shipped by air freight.

    US$113.22 Details
    Activated Carbon Filter
    Activated Carbon Filter

    Code F, 2.5 inch X 10 inch. Coconut shell carbon block with 10 micron outer wrap. Special Prep 1, for Chlorine removal with low extractable applications - 1/pk
    Filter Housing

    US$19.04 Details
    High Capacity Dual Bed Cartridge Filter
    High Capacity Dual Bed Cartridge Filter

    Reduces dissolved inorganic contamination.

    Comparable to Barnstead D0803 and Harvey AY1273X4 High Capacity Filters.

    US$143.50 Details
    Barnstead Easy Cool Filter - Upflow
    Barnstead Easy Cool Filter - Upflow

    Easy Cool Deionizer Filter - Comparable to APS ULTRA Brand EF06U1

    US$90.95 Details
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II
    IWT 3C0600002 Style High Capacity Filter - Cartridge Universal II

    This High Capacity Mixed Bed Deionization Filter is used for the reduction of dissolved minerals. with Color Indicator - Comparable to IWT and US FILTER 3C0600002 and HC200 or HC-200

    US$106.25 Details
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    Most Popular
    Fume Hoods




    100400051
    4' Protector Premier Laboratory Hood

    Retail Price : US$14,760.00
    Todays Price : US$13,284.00



    100400060
    4' Protector Premier Laboratory Hood

    Retail Price : US$13,630.00
    Todays Price : US$12,267.00



    100400071
    4' Protector Premier Laboratory Hood

    Retail Price : US$17,640.00
    Todays Price : US$15,876.00



    100400080
    4' Protector Premier Laboratory Hood

    Retail Price : US$16,535.00
    Todays Price : US$14,881.50
    PreviousNext
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower and 2 service fixtures

    US$13,284.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower

    US$12,267.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower and 2 service fixtures, explosion-proof

    US$15,876.00 Details
    4' Protector Premier Laboratory Hood
    4' Protector Premier Laboratory Hood

    Labconco Brand Product - with built-in exhaust blower, explosion-proof

    US$14,881.50 Details
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    Glassware Washers

    PreviousNext
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    Best New Product
    Lab Water Reverse Osmosis System

    Lab/Commercial
    Reverse Osmosis System
    Great for Lab Water Pretreatment
    or Great Drinking Water
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