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Farmer Type, Micro and Low Energy Parallel Plate Chambers SeeDOS provides the world-famous Exradin ion chambers. For over 25 years, Exradin chambers have provided uncompromising quality, scientific integrity and dependability. Exradin ion chambers are waterproof, fully guarded, and the chamber electrodes are made entirely of homogenous conducting plastic, providing excellent conductivity. For more information on Exradin products click here. Exradin ionization chambers are available from SeeDOS for a wide range of dosimetric measurements in diverse radiation beams. The chambers find applications in the fields of radiation therapy, diagnostic radiology, and radiation protection and research. Applications for which Exradin chambers are suited include beam calibration, quality assurance, dose assessment, depth-dose studies, mixed field dosimetry, monitoring, background measurements, and a variety of research studies. For an Electrometer for use with your Exradin Ion Chamber please click here For a pictorial listing of available Cable Connectors, please click here Model 12 - Farmer-Type Chamber 0.6 cc, SeeDOS Code Number 92700
Collecting Volume: 0.65 cm3 Nominal Calibration Factor: 5.0 R/nC Centroid of Collecting Volume: 12.9 mm from tip of chamber Collector Diameter: 1.0 mm Outside Diameter Sensitive Region: 7.1 mm Wall Thickness: 0.5 mm Wall, Collector, and Guard Material: Shonka air-equivalent plastic C552 Maximum Polarizing Potential: No greater than 1000 V Inherent Leakage Currents: Less than 10-15 Amperes Cable: 50 Ohms, 29 pF/f, 1.5 m long Signal Connector: Triaxial BNC Plug High Voltage Connector: Integral with triaxial connectors (shell of chamber is common with connector body). Venting: Vented to the ambient via the flexible vent tube surrounding the triaxial cable. Stem: 1/2" OD black phenolic two-piece (4" + 5") long
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Ion Chamber Product List / Quotation Request Form, so that we may promptly respond to your request.
Model 12S - Farmer-Type Chamber, 0.25 cc, SeeDOS Code Number A12S
Collecting Volume: 0.25 cm3 Nominal Calibration Factor: 14.0 R/nC Centroid of Collecting Volume: 5.8 mm from tip of chamber Collector Diameter: 1.0 mm Outside Diameter Sensitive Region: 7.1 mm Wall Thickness: 0.5 mm Wall, Collector, and Guard Material: Model A12S – Shonka air-equivalent plastic C552 Maximum Polarizing Potential: No greater than 1000 V Inherent Leakage Currents: Less than 10-15 Amperes Cable: 50 Ohms, 29 pF/f, 1.5 m long Signal Connector: Triaxial BNC Plug High Voltage Connector: Integral with triaxial connectors (shell of chamber is common with connector body). Venting: Vented to the ambient via the flexible vent tube surrounding the triaxial cable. Stem: 1/2" OD black phenolic two-piece (4" + 5") long
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here
If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Ion Chamber Product List / Quotation Request Form, so that we may promptly respond to your request. Model 14 - Exradin Microchamber, SeeDOS Code Numbers (A14) 92711, (T14) 92712
Collecting Volume: 0.009 cm3 Nominal Calibration Factor: 365 R/nC Centroid of Collecting Volume: Approx. 2.0 mm from tip of chamber Collector: 1.5 mm diameter x zero length Wall Thickness: 1.0 mm Outside Diameter Sensitive Region: 6.0 mm Wall, Collector, and Guard Material: Model A14 – Shonka air-equivalent plastic C552 Maximum Polarizing Potential: No greater than 1000 V Inherent Leakage Currents: Less than 10-15 Amperes Cable: 50 Ohms, 29 pF/f, 1.5 m long Signal Connector: Triaxial BNC Plug High Voltage Connector: Integral with triaxial connectors (shell of chamber is common with connector body). Venting: Vented to the ambient via the flexible vent tube surrounding the triaxial cable. Stem: 1/2" OD black phenolic two-piece (4" + 5") long
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here
If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Ion Chamber Product List / Quotation Request Form, so that we may promptly respond to your request. Model 14SL - Slim Line Exradin Microchamber, SeeDOS Code Number 92723
Collecting Volume: 0.009 cm3 Nominal Calibration Factor: 365 R/nC Centroid of Collecting Volume: Approx. 2 mm from outside tip of chamber Collector: 1.5 mm diameter x zero length Air Gap (along axis from inside tip of shell to collector): 2.2 mm Outside Diameter Sensitive Region: 6.25 mm Wall Thickness: 1.1 mm Wall, Collector, and Guard Material: Model A14SL – Shonka air-equivalent plastic C552 Maximum Polarizing Potential: No greater than 1000 V Inherent Leakage Currents: Less than 10-15 Amperes Cable: 50 Ohms, 29 pF/f, 1.5 m long Signal Connector: Triaxial BNC Plug High Voltage Connector: Integral with triaxial connectors (shell of chamber is common with connector body). Venting: Vented to the ambient via the flexible vent tube surrounding the triaxial cable. Stem: Integral with chamber, Aluminum, 0.246 in OD by 4 in long. Other lengths available upon request.
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here
If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Ion Chamber Product List / Quotation Request Form, so that we may promptly respond to your request. Model 14P - Exradin Parallel Plate Microchamber, SeeDOS Code Numbers (A14P) 92713, (T14P) 92714
Collecting Volume: 0.002 cm3 Nominal Calibration Factor: 1430 R/nC Centroid of Collecting Volume: 1.5 mm from tip of shell Collector: 1.5 mm diameter x zero length Window Thickness: 1.0 mm Window-Collector Gap: 1.0 mm Outside Diameter Sensitive Region: 6.0 mm Window, Collector, and Guard Material: Model A14P – Shonka air-equivalent plastic C552 Maximum Polarizing Potential: No greater than 1000 V Inherent Leakage Currents: Less than 10-15 Amperes Cable: 50 Ohms, 29 pF/f, 1.5 m long Signal Connector: Triaxial BNC Plug High Voltage Connector: Integral with triaxial connectors (shell of chamber is common with connector body). Venting: Vented to the ambient via the flexible vent tube surrounding the triaxial cable. Stem: 1/2" OD black phenolic two-piece (4" + 5") long
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here
If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Ion Chamber Product List / Quotation Request Form, so that we may promptly respond to your request. Model 15 - Low Energy Parallel Plate Diagnostic, SeeDOS Code Number A15
Collecting Volume: 2.46 cm3 Nominal Calibration factor: 1.4 R/nC ; 12 Gy/m C, 0.15-5.00 mm Al HVL Collector Diameter: 20.0 mm Window-Collector Gap: 8.0 mm Window: Conductive Kapton film, 3.86 mg/cm2 Body, Collector, and Guard Material: Model A15 – Shonka air-equivalent plastic C552 Maximum Polarizing Potential: No greater than 1000 V Inherent Leakage Currents: Less than 10-15 Amperes Cable: 50 Ohms, 29 pF/f, 1.5 m long Signal Connector: Triaxial BNC Plug High Voltage Connector: Integral with triaxial connectors (window of chamber is common with connector body). Venting: Two holes, diametrically opposite in window ring. Stem: Black phenolic, 1/2" OD by 9" long.
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here
Model A16 - Micropoint Chamber, SeeDOS Code Number 92726
Collecting Volume: 0.007 cm3 Nominal Calibration Factor: 400 R/nC (TG21) Nominal Calibration Factor: 3.5 Gy/nC (Air Kerma) Centroid of Collecting Volume: Approx. 1.7 mm from tip of shell Collector: 0.3mm diameter x 1.3mm length Outside Diameter of shell collecting volume: 3.4mm Shell Wall Thickness: 0.5 mm Shell, Collector, and Guard Material: Model A16 – Shonka air-equivalent plastic C552 Stem: 6.4mm OD aluminium one-piece 10.1cm long; not removable Waterproof: Yes, as furnished; no sheath required Venting: Through Tygon PVC tubing secured to chamber body and running the full length of the triaxial cable; cable is inside tubing. Build up Caps included with Chamber: Co-60 made of C552; wall thickness of 2.5mm Options: None available
For an Electrometer for use with your Exradin Chamber please click here
For a pictorial listing of available Cable Connectors, please click here
If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Ion Chamber Product List / Quotation Request Form, so that we may promptly respond to your request.
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