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Mini 900 Scintillation Monitors

Thermo Scientific™ Mini 900 Scintillation Monitor serves as a portable or benchtop style radiation counter.

A variety of different probes to accommodate most radiation detection needs.

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Catalog #
Item Description
Quantity
MFG011
Suitable for mini probes
Full specifications
Battery Life ~300 hours at 4 hours/day
Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
Description Suitable for mini probes
Detectors Halogen quenched G-M tube
Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
Weight (English) 2.2 lb.
Weight (Metric) 1kg
Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories
Item Description Suitable for mini probes

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    MFG012
    Type 900/41
    Full specifications
    Battery Life ~300 hours at 4 hours/day
    Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
    Description Type 900/41
    Detectors Halogen quenched G-M tube
    Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
    Radiation Type 1000s?¹
    Sensitivity Contamination: 130s-1 due to 3.7kBq 99Tc at 20mm
    Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
    Weight (English) 2.2 lb.
    Weight (Metric) 1kg
    Background 3 - 8 s-1
    Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
    For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories
    Item Description Type 900/41

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      MFG013
      Type 900/41S
      Full specifications
      Battery Life ~300 hours at 4 hours/day
      Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
      Description Type 900/41S
      Detectors Halogen quenched G-M tube
      Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
      Radiation Type 1000s?¹
      Sensitivity Contamination: 130s-1 due to 3.7kBq 99Tc at 20mm
      Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
      Weight (English) 2.2 lb.
      Weight (Metric) 1kg
      Background 20 - 30 s-1
      Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
      For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories
      Item Description Type 900/41S

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        MFG014
        Full specifications
        Battery Life ~300 hours at 4 hours/day
        Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
        Description Type 900/41S
        Detectors Halogen quenched G-M tube
        Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
        Radiation Type 1000s?¹
        Sensitivity Contamination: 130s-1 due to 3.7kBq 99Tc at 20mm
        Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
        Weight (English) 2.2 lb.
        Weight (Metric) 1kg
        Background 20 - 30 s-1
        Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
        For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories

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          MFG015
          Full specifications
          Battery Life ~300 hours at 4 hours/day
          Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
          Description Type 900/42B
          Detectors Halogen quenched G-M tube
          Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
          Radiation Type 1000s?¹
          Sensitivity Contamination: 130s-1 due to 3.7kBq 99Tc at 20mm
          Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
          Weight (English) 2.2 lb.
          Weight (Metric) 1kg
          Background 20 - 30 s-1
          Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
          For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories

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            MFG016
            Type 900/44A
            Full specifications
            Battery Life ~300 hours at 4 hours/day
            Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
            Description Type 900/42B
            Detectors Halogen quenched G-M tube
            Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
            Radiation Type 1000s?¹
            Sensitivity Contamination: 130s-1 due to 3.7kBq 99Tc at 20mm
            Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
            Weight (English) 2.2 lb.
            Weight (Metric) 1kg
            Background 20 - 30 s-1
            Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
            For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories
            Item Description Type 900/44A

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              MFG017
              Type 900/44B
              Full specifications
              Battery Life ~300 hours at 4 hours/day
              Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
              Description Type 900/42B
              Detectors Halogen quenched G-M tube
              Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
              Radiation Type 1000s?¹
              Sensitivity Contamination: 130s-1 due to 3.7kBq 99Tc at 20mm
              Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
              Weight (English) 2.2 lb.
              Weight (Metric) 1kg
              Background 20 - 30 s-1
              Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
              For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories
              Item Description Type 900/44B

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                MFG011C
                Suitable for NE probes
                Full specifications
                Battery Life ~300 hours at 4 hours/day
                Battery Type 6 type AA cells, alkaline (IEC LR6) or rechargeable (IEC KR 15/51)
                Description Suitable for NE probes
                Detectors Halogen quenched G-M tube
                Performance Paralysis Time: Scale corrected to give true reading; Meter Integration Time: 1 to 4 seconds set to match counting rate; Overload Protection: No meter 'fallback' with intensities at least 100 times full scale reading
                Voltage Main Power: 12 - 18VDC; GM Tube: 300 - 700V
                Weight (English) 2.2 lb.
                Weight (Metric) 1kg
                Certifications/Compliance The monitor conforms to the requirements of the International Technical Commission publication 325
                For Use With (Application) The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories
                Item Description Suitable for NE probes

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                  Product Description

                  Feature a large logarithmically scaled meter with an open scale at the lower end to show background levels of radiation while displaying high levels without switching

                  • Several configurations available
                  • Built-in speaker provides audible feedback of the radiation intensity
                  • An alarm can be set to tripat any level on the scale
                  • Battery or line powered
                  • Packaged in a durable, lightweight aluminum case&bulletc1_end;

                    Type R:

                    • Monitoring High Level Dose Rates A monitor scaled over the range 0.5 to 5000μSv h-1 (0.05 to 500mR/h)
                    • G-M tube is compensated to give a useful response from 45 keV to 1.5MeV and above
                    • Not recommended for monitoring X-radiation from apparatus operating below 75kVp

                    Type G:

                    • Monitoring for Low Environmental Dose Rates Highly sensitive performance
                    • Scaled over the range 0.05 to 75μSv h-1 (0.005 to 7.5mR/h)
                    • Useful energy range: 55 keV to 1.5MeV and above
                    • Not suitable for monitoring X-radiation

                    Type D:

                    • Uses partially compensated G-M tube to obtain an extended low energy response
                    • Scaled over the range of 0.5 to 1000μSvh-1 (0.05 to 100 mR/h)
                    • Useful energy range: 30 keV to 1.5MeV but response is maintained down to at least 17 keV
                    • Suitable for measuring radiation from X-ray apparatus operating at or above 45kVp

                    Type X:

                    • Scaled 0.5 to 2000 counts per second Uses an end window G-M tube without energy compensation
                    • Sensitive to radiation down to 10keV Useful for locating X-ray leakage from a variety of systems including high voltage equipment
                    • Not intended for measurement but as a relative check device
                  • Type 41:

                    • Sodium iodide crystal (19mm dia. × 25mm thick)
                    • Suitable for energies from 25 keV upwards
                    • A lead cylinder surrounds the crystal gives the probe directional properties as well as reducing background
                    • Diameter: 41mm
                    • Length: 220mm

                    Type 41S:

                    • Cylinder without lead shielding and with a larger sodium iodide crystal (25mm dia. × 38mm thick) for increased sensitivity
                    • Suitable for energies from 25 keV upwards The probe is essentially omni-directional for medium and high energy gamma radiation
                    • Diameter: 38mm
                    • Length: 217mm

                    Type 42A:

                    • Sodium iodide crystal 23mm dia. × 1mm thick with a 14mg cm2 aluminum window
                    • Probe has a higher sensitivity than the Type 41 for gamma energies below 60 keV to a minimum of 10-15 keV
                    • An integral lead collimator makes it particularly useful for 125I thyroid monitoring and deep vein thrombosis location
                    • Diameter: 40mm
                    • Length: 187mm

                    Type 42B:

                    • This probe is the beryllium window version of the type 42 and detects very low gamma energies down to 5keV
                    • The response above 15 keV is almost identical to the 42A

                    Type 44A:

                    • The sodium iodide crystal (32 × 2.5mm thick) is mounted on the front surface of the probe to facilitate monitoring of large contaminated areas Suitable for a range of energies from approximately 15 keV to 250 keV Beta sensitive for energies above 500 keV
                    • Diameter: 50mm
                    • Length: 180mm
                    • Aluminum window weight: 14mg/cm2

                    Type 44B:

                    • This probe is the beryllium window version of the above and extends the sensitivity down to approximately 5keV, making it useful for 55Fe
                    • 3.7kBq (0.1μCi) of 55Fe at 10mm yields approximately 180 counts s-1
                    • Window weight: 47mg/cm2

                    Includes:

                    Each unit comes with a comprehensive manual containing tables and curves of response to different radiations and other useful information

                    Recommended for:

                    The 900 Series of radiation counters are well established in teaching, research, hospital and industrial laboratories

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