Radiation measurement is crucial in many sectors such as medical imaging, industrial inspection, research laboratories, nuclear facilities, and environmental monitoring. Accurate detection and measurement help protect people, equipment, and the environment from harmful exposure.
The Fluke 481 Radiation Survey Meter is a portable ionizing radiation measurement device designed to measure X-ray and gamma radiation. In Bangladesh, it is widely suitable for hospitals, NDT (non-destructive testing) service providers, power and manufacturing industries, and safety officers who need a dependable tool for routine radiation surveys and safety checks.
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In Bangladesh, use of X-ray, CT, industrial radiography, and other radiation-emitting equipment is increasing. Proper radiation measurement with a device like the Fluke 481 helps:
Reliable radiation measurement is therefore essential for both safety and regulatory compliance.
1. Enhanced Safety for Staff and Public
Accurate readings allow radiation safety officers to identify high-dose areas, reduce exposure, and ensure safe working conditions.
2. Supports Compliance and Audits
Helps organizations meet local and international radiation safety guidelines by documenting dose and dose rate levels.
3. Versatile Use Across Sectors
One instrument can serve hospitals, industrial NDT companies, research organizations, and government agencies.
4. Portable and Convenient
Its handheld, battery-operated design makes it easy to use in the field, at remote locations, or during emergency checks.
5. Reliable Long-Term Investment
Rugged build and proven technology mean it can serve as a long-term core instrument in radiation safety programs.
| Parameter | Description |
|---|---|
| Radiation Types | X-ray and Gamma |
| Detector Type | Ionization chamber |
| Typical Measurements | Dose rate and accumulated dose |
| Display | Digital readout with analog-style bargraph |
| Alarm | Audible and visual alarm for high dose rates |
| Power Supply | Battery-operated (portable use) |
| Usage Environment | Hospitals, industry, research, environmental surveys |
| Form Factor | Handheld, rugged casing |
(Exact ranges and numerical values depend on specific model configuration; users should confirm with the product datasheet at purchase time.)
Hospitals & Diagnostic Centers
Survey radiation levels in X-ray and CT rooms
Check leakage and scatter around imaging equipment
Verify shielding effectiveness of walls, lead glass, and doors
Industrial Radiography & NDT
Monitor radiation near gamma or X-ray sources used in weld inspection and material testing
Secure working areas and boundaries during radiographic exposure
Research Laboratories & Universities
Measure radiation around experimental setups
Support training and safety education for students and researchers
Nuclear & Power Facilities (Where Applicable)
Routine radiation surveys around equipment and controlled areas
Environmental and Safety Monitoring
Inspect radiation levels at and around radiation facilities
Support emergency response in case of suspected radiation incidents
To get the most out of the Fluke 481 Radiation Survey Meter, organizations should:
Develop a Radiation Safety Plan
Integrate the instrument into regular survey schedules, incident response plans, and safety audits.
Train Operators Properly
Ensure radiation safety officers and technicians are trained in radiation fundamentals and proper meter use.
Maintain and Calibrate Regularly
Schedule periodic calibration to keep measurements accurate and traceable.
Document and Review Readings
Keep logs of radiation measurements for regulatory inspections and internal safety reviews.
When planning to use the Fluke 481 for radiation measurement in Bangladesh, consider:
The Fluke 481 Radiation Survey Meter is a dependable solution for radiation measurement in Bangladesh across hospitals, industry, research, and environmental monitoring. Its combination of ionization chamber accuracy, portable design, and robust construction makes it an ideal tool for professionals responsible for radiation safety.
By integrating the Fluke 481 into routine safety programs, organizations in Bangladesh can better protect staff and the public, stay compliant with regulations, and maintain a safer environment wherever ionizing radiation is used.
The Fluke 481 provides a combination of portability, precision, and durability:
| 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% |