FH 40 G Multi-Purpose Digital Survey Meter
FH 40 G Multi-Purpose Digital Survey Meter
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Thermo Scientific™

FH 40 G Multi-Purpose Digital Survey Meter

Use one convenient, versatile instrument for multiple radiation detection applications including personal radiation protection and beta, x-ray and gamma radiation detection.
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製品番号（カタログ番号）製品タイプ測定範囲単位内容
425400802Digital Survey MeterUp to 100 mSv/hSv/hNo extra earphone connector, no nanosievert units
製品番号（カタログ番号） 425400802
価格（JPY）
-
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製品タイプ:
Digital Survey Meter
測定範囲:
Up to 100 mSv/h
単位:
Sv/h
内容:
No extra earphone connector, no nanosievert units
Serve multiple radiation detection applications with one versatile instrument. The Thermo Scientific™ FH 40 G is a wide range digital Geiger counter suitable for nearly all measurement tasks arising in radiation protection through optional plug and play probes available for neutron measurement, alpha and beta contamination readings and even to detect artificial gamma radiation in variable natural radiation fields.

The FH 40 G is a versatile multipurpose Geiger counter and area monitor that can be used with external detectors for portable and remote area monitoring applications.

  • Rugged, waterproof and reliable with very simple operation.
  • Gamma meter with internal proportional counter tube.
  • Integrated gamma dose rate measurements.
  • Interface for one optional, external plug and play probe.
  • Alarm thresholds for the internal detector and external probes of the FH 40 G are monitored simultaneously.
  • Upon connection of an external plug and play probe, the probe parameters are automatically read into the FH 40 G and the correct parameters are set.
  • High voltage generation inside the plug and play probe makes the system calibration independent of cable length.
  • Separate alarms can be set by the user for both the internal and external detectors.
  • Operational internal proportional detector and connected external detector.
  • Serial infrared interface.
  • Simultaneous operation of internal and external detectors, both dose rate and remote dose rate readings.
  • Configuration and data read out via PC.
  • Waterproof (IP 67) and shock resistant.
  • ADF mode (Advanced Digital Filter).
  • Clear, backlit LCD display.
  • Datalogging capability.
  • Internal diagnostics ensure proper functioning of the detector(s) and the electronics.
  • Designed to record up to 256 data points containing measurement number, date, time and dose rate at the internal detector and external detector, status, and optional barcode information.
  • Wide range of plug and play external probes for monitoring and detection.
  • All FH 40 G versions and external probes containing the “-10” suffix are designed to meet the energy response behavior of the new SI-units ambient dose equivalent and ambient dose equivalent rate according to ICRU 39.

Short summary of available plug and play probes:

  • Gamma dose rate measurement: FHT 192 (ionization chamber), FHZ 632 (proportional counter), FHZ 612 (wide range), FHZ 302/312 (under water nuclear power).
  • Gamma search probes: FHZ 502, 503, 512 (NaJ/BGO).
  • Contamination: FHZ 742 (Scintillator), FHZ 732 (Pancake/proportional counter), FHZ 382 (Scintiallator + Alpha/Beta discriminator via LED indication if alphas are present).
  • Aritificial radiaiton discrimination: NBR probe FHZ 672.
  • Preamplifiers for various classic probes.
  • Wide range of accessories like cables, telepoles, application specific kits, etc.
FH G and FH 40 G-L series meters (4254002, 425400201, 425400250, 425400251, 4254004, 425400401, 425400450, 425400451) are not for sale in the UK

The FH 40 G instrument is available in different versions:

FH 40 G

  • Measured Quantity: Roentgen (R)
  • Measuring Range: 1 μR/h ... 100 R/h
  • Energy range: 36 keV ... 1.3 MeV
  • Dose measuring range: 10 μR - 1000 R

FH 40 G-L

  • Measured Quantity: Roentgen (R)
  • Measuring Range: 1 μR/h ... 10 R/h
  • Energy range: 36 keV ... 1.3 MeV
  • Dose measuring range: 10 μR - 100 R

FH 40 G-10

  • Measured Quantity: Sievert (Sv; Ambient dose equivalent rate H*(10))
  • Measuring Range: 10 nSv/h ... 1 Sv/h
  • Energy range: 30 keV ... 4.4 MeV
  • Dose measuring range: 100 nSv ... 10 Sv

FH 40 G-L10

  • Measured Quantity: Sievert (Sv; Ambient dose equivalent rate H*(10))
  • Measuring Range: 10 nSv/h ... 100 mSv/h
  • Energy range: 30 keV ... 4.4 MeV
  • Dose measuring range: 100 nSv ... 1 Sv

FH 40 G-X

  • No internal detector, operation of external plug and play probe only

General specifications of all FH40G units

  • Dimensions 7.7 x 2.9 x 1.7 in. (195 x 73 x 42mm)
  • Weight[s] 0.9 lb. (410g)
  • Battery type: 2 x AA
  • Neutron dose rate measurement: FHT 762 WENDI-2, FHT 772 H-2 REMBALL
  • Neutron search probes: FHT 752 SH-2 (He-3, 2bar)
仕様
校正Export version with selectable calibration factor.
認証／コンプライアンスMeets IP 67 requirement for waterproofing; shock-resistence / NRPB approved (UK); ICRU 39 for SI-units
奥行き（ヤードポンド法）7.7 in.
概要FH 40 GL-10 Radiameter energy compensated for ambient dose equivalent H*(10) according to ICRP60/ICRU39
線量範囲FH 40 G: 10 µR - 1000 R; FH 40 G-L, FH 40 GL-omega: 10 µR - 100 R; FH 40 G-10: 100 nSv - 10 Sv
高さ（ヤードポンド法）1.7 in.
内容No extra earphone connector, no nanosievert units
測定された量FH 40 G, FH 40 G-L, FH 40 GL-omega: Response (Roentgen) - R; FH 40 G-10: Ambient dose equivalent rate (H™(10)) - Sv
測定範囲Up to 100 mSv/h
感度> 30 keV
単位Sv/h
重量 （ヤードポンド法）0.9 lb.
幅（ヤードポンド法）2.9 in.
奥行き（メートル法）195 mm
エネルギー範囲FH 40 G: 36 keV to 1.3 MeV; FH 40 G-L: 36 keV to 1.3 MeV; FH 40 G-10: 30 keV to 4.4 MeV; FH 40 GL-omega: 36 keV to 1.3 MeV
高さ（メートル法）4.2 cm
製品タイプDigital Survey Meter
放射線タイプDependent on probe used
重量（メートル法）0.41 kg
幅（メートル法）7.4 cm
Unit SizeEach