Fluke 481 漏射线检测仪(Beta,Gamma)

General Specifications

Radiation Detected: Beta > 100 kev, Gamma > 7 keV

Operating Ranges: 

0 mR/h to 5 mR/h (8 sec)

0 mR/h to 50 mR/h (2.5 sec)

0 mR/h to 500 mR/h (2 sec)

0 R/h to 5 R/h (2 sec)

0 R/h to 50 R/h (2 sec)

Accuracy: Within 10% of readings between 10% and 100% of full scale indication on any range, exclusive of energy response

Detector: Chamber (cc volume air ionization) 349 cc

Chamber wall (phenolic): 246 mg/cm²

Chamber window (mylar): 6.6 mg/cm²

Beta slide 440 mg/cm²

Automatic Features: Auto-zeroing, auto-ranging, and auto-backlight

Power Requirements: Two 9 V alkaline, 200 hours operation

Warm-up Time: One minute

Battery Life: Four+ hours continuous use per battery pack

(assumes 50% brightness of LCD)

Dimensions (W x D x H): 10 x 20 x 15 cm (4 x 8 x 6 in)

Weight: 1.11 kg (2.5 lb)

Display: LCD Analog/Digital With Backlight

Analog: 100 element bar graph 6.4 cm long. Bar graph is divided into 5 major segments, each labeled with the appropriate value for the range of the instrument

Digital 2.5 digit display is followed by a significant zero digit depending on the operating range of the instrument. The units of measurement are indicated on the display at all times. Digits are 6.4 mm (0.25 in) high. Low battery and freeze indicators are also provided on the display

Modes

Integrate Mode: Operates continuously 30 seconds after the instrument has been turned on. Integration is performed even if the instrument is displaying in mR/h or R/h

Freeze Mode: Will place a tick mark on the bar graph display to hold on the peak displayed value. The unit will continue to read and display current radiation values

Environmental

Temperature Range: -4°F to 122°F

Relative Humidity: 0% to 100% (at 140°F)

Geotropism < 1%

Detail

Datasheet

Manual

General Specifications
Radiation Detected Beta > 100 keV

Gamma > 7 keV

Operating Ranges 0 mR/h to 5 mR/h (8 sec)
0 mR/h to 50 mR/h (2.5 sec)
0 mR/h to 500 mR/h (2 sec)
0 R/h to 5 R/h (2 sec)
0 R/h to 50 R/h (2 sec)
Accuracy Within 10% of readings between 10% and 100% of full scale indication on any range, exclusive of energy response
Detector Chamber (cc volume air ionization) 349 cc
Chamber wall (phenolic) 246 mg/cm²
Chamber window (mylar) 6.6 mg/cm²
Beta slide 440 mg/cm²
Automatic Features Auto-zeroing, auto-ranging, and auto-backlight
Power Requirements Two 9 V alkaline, 200 hours operation
Warm-up Time One minute
Battery Life Four+ hours continuous use per battery pack
(assumes 50% brightness of LCD)
Dimensions (W x D x H) 10 x 20 x 15 cm (4 x 8 x 6 in)
Weight 1.11 kg (2.5 lb)
Display LCD Analog/Digital With Backlight
Analog 100 element bar graph 6.4 cm long. Bar graph is divided into 5 major segments, each labeled with the appropriate value for the range of the instrument
Digital 2.5 digit display is followed by a significant zero digit depending on the operating range of the instrument. The units of measurement are indicated on the display at all times. Digits are 6.4 mm (0.25 in) high. Low battery and freeze indicators are also provided on the display
Modes
Integrate Mode Operates continuously 30 seconds after the instrument has been turned on. Integration is performed even if the instrument is displaying in mR/h or R/h
Freeze Mode Will place a tick mark on the bar graph display to hold on the peak displayed value. The unit will continue to read and display current radiation values
Environmental
Temperature Range -4°F to 122°F
Relative Humidity 0% to 100% (at 140°F)
Geotropism < 1%

 

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