Pacific Northwest X-Ray Inc.

       Fluke 190N Portable Neutron Survey Meter.       


Fluke Biomedical, Inc.
  • Auto-scaling measurement of rate and dose (integrate mode includes dose and time accumulation)
  • True Rem readings recorded across a wider (lower and higher) rate range
  • Ergonomic, portable design: adjustable shoulder strap and rugged handle with padded grip
  • Flexible detector assembly, 190 can be removed for remote readings
  • Available in SI units

    • The self-contained 190N measures mRem in accordance with the classical Anderson and Braun design. The neutron probe can be attached to either a 190 Survey Meter or a 190F Frisker for continuous neutron surveys or area monitoring.

    Specifications

    Readout: Programmable features of a standard Model 190 Survey Meter. Refer to the Model 190 data sheet for complete details
    Alarm: Audio and visual setpoint can be programmed into the Model 190N via the Model 190-1A Infrared Communicator
    Detector assembly, Model RP-N: The detector assembly is a polyethylene cylinder, 9.5 inches long by 8.5 inches in diameter, containing a BF3 proportional counter and neutron energy compensating materials. It is based upon the standard reliable Anderson and Braun design for neutron energy response. The handle is padded for ease of gripping. An adjustable shoulder strap is provided
    BF3 operating characteristics: The BF3 proportional counter operates at 1150 V. Active length is 2 inches (5.08 cm). Fill gas is enriched BF3, 96% Boron 10. Gas pressure is 20 cm Hg. Resolving

    time is 1 microsecond, plateau slope is 2% per 100 V and tube life expectancy is greater than 1010 counts
    Typical neutron sensitivity: Nominal 2000 counts per mRem
    Range
    Rate: 0 μRem/h to 75 Rem/h
    - 0 μSv/R to 0.75 Sv/h
    - 0 CPM to 2.5 x 106 CPM
    - 0 CPS to 41,660 CPS
    Integrate: 0 μRem to 1000 Rem
    - 0 μSv to 10 Sv
    - 0 to 109 counts
    Gamma sensitivity/rejection: No response in 137Cs gamma radiation in fields up to 500 R/h
    Accuracy: 10% of theoretical ICRP dose rate
    Dimensions: 12.50 in x 10.25 in (d) (31.75 x 26 cm)
    Miscellaneous: Detector assembly cable length: 4.5 ft (1.37 m). An optional 30 ft (9.14 m) cable is available
    Weight: 21 lb (9.52 kg) (total Model 190 + detector assembly)
    Directionality: Less than 20% in three orthogonal directions
    Temperature range: 190 operating range is 14º to 104ºF (- 10° to + 40°C). The detector assembly operating range is - 112º to 176ºF (- 80° to + 80°C)
    Power requirements: Four 9 V alkaline batteries supplied, 100 hours operation
    Calibration: The Model 190N is calibrated against a NIST traceable “Tissue Equivalent Proportional Counter” and uses Radium/ Beryllium neutrons at a distance of 100 cm




    Stock #
    Description
    Your Price
    190N
    Portable Neutron Survey Meter
    $11,457.60
    190N-SI
    Portable Neutron Survey Meter w/SI Units
    $11,195.71






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