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Fluke 481 DESI Ion Chamber Survey Meter
The Fluke 481 DESI Ion Chamber Survey Meter is a radiation meter used by emergency response professionals, inspectors, HAZMAT teams, and nuclear power workers to detect skin-dose (beta particle), deep-dose (gamma), and x-ray radioactivity. It measures dose and dose rate and can be used to identify irradiated goods, equipment, surfaces, and environments, improve worker safety, and maintain compliance with regulations.
Auto-ranging capabilities ensure the Fluke 481 DESI Ion Chamber Survey Meter provides prompt, precise readings; it is 30% more accurate than other radiation meters available on the market.
This rugged instrument with a sealed case, automated backlight, and a simple, two-button operating system, is ideal for use indoors and outdoors, on industrial sites, and in areas with low light. The Fluke 481 DESI Ion Chamber Survey Meter’s two 9V batteries deliver over a week of operation. It is a portable, practical, and precise radiation meter suitable for contamination detection, general radiation area metering, radiation level monitoring, and hazardous materials assessment.
Fluke 481 DESI Ion Chamber Survey Meter Key Features
- Radiation meter used by emergency response professionals, inspectors, HAZMAT teams, and nuclear power workers
- Detect skin-dose (beta particle), deep-dose (gamma), and x-ray radioactivity
- Measure dose and dose rate
- Identify irradiated goods, equipment, surfaces, and environments
- Ensure worker safety
- Maintain compliance with regulations
- Auto-ranging capabilities provide prompt, precise readings
- 30% more accurate than other radiation meters
- Rugged
- Sealed case
- Automated backlight
- Simple, two-button operating system
- Ideal for use indoors, outdoors, on industrial sites, and in areas with low light
- Two 9V batteries deliver over a week of operation
- Portable, practical, and precise radiation meter
- Suitable for contamination detection, general radiation area metering, radiation level monitoring, and hazardous material assessment
What’s Included?
- Fluke 481 DESI Ion Chamber Survey Meter
Fluke 481 DESI Ion Chamber Survey Meter Technical 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 Analogue/ Digital with Backlight | |
| Analog | 100 element bar graph 6.4 cm long. The bar graph is divided into 5 major segments, each labelled 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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Additional Information
| SKU | FLUKE 481-DESI |
|---|---|
| Manufacturer Part Code | 4022258 |
