Model 907 | Radiation Survey Meter Alpha, Beta, Gamma, & X-Ray
The palmRAD 907 is a compact, easy-to-use handheld radiation detector/survey meter offering versatile monitoring for alpha, beta, gamma, and X-ray radiation—delivering accurate, reliable data for contamination detection and surveying.
- Detects: Alpha, Beta, Gamma, X-ray
- Display modes: mR/hr, µSv/hr, CPM, CPS, Total Counts
- Digital LCD display shows selected mode
Indicators & alerts:
- LED flashes per count
- Audio chirp (single chirp per detection, user-enabled)
- Powerful audio alarm (user-adjustable threshold)
For diverse applications: radioactive food/water monitoring, contaminated soil/water detection, general radiological surveying. Low-cost, proven reliability in a palm-sized form factor
Quick Specs
- Detector Type: Halogen-quenched Geiger-Muller
- Detection type: Alpha, Beta, Gamma, X-Ray
- Weight: 350 grams (12.5 oz) with battery
- Size: 150 x 80 x 30 mm (5.9″; x 3.2″; x 1.2″)
Applications
- Homeland Security
- Emergency Responder
- Safeguard and Nuclear Security
- Radiological Area Mapping
- Geological Radiation Survey
Radiation Monitor Features
- Low Cost
- Easy to Use Alarm for Emergency Responders
- Long Calibration Interval
- Rugged enclosure (Stainless Steel)
- Immune to Radio Frequency Interface
- Audio & Visual Alarm
Applications
- First Responders
- Emergency Service
- HAZMAT & Local Support
- Compliance Verification
- Dirty Bomb Screening
- EMT’s
Detector
Halogen-quenched Geiger-Mueller tube. Effective diameter 1.75″ (45 mm). Mica window density 1.5-2.0 mg/cm
Display
4-digit liquid crystal display with mode indicators
Averaging Periods
Display updates every 3 seconds, showing the average for the past 30-second time period at normal levels. The averaging period decreases as the radiation level increases. User can select fast 3-second averaging period.
Operating Range
mR/hr: .001 to 100.0; CPM: 0 to 300,000; Total: 1 to 9,999,000 counts; µSv/hr: .01 to 1,000; CPS: 0 to 5,000
Efficiency
Sr-90 (546KeV, 2.3MeV max): approx. 75%; C-14 (156KeV max): approx. 11%; Bi-210 (1.2 MeV max): approx. 64%; Am-241 (5.5 MeV ): approx. 36%
Sensitivity
3500 CPM/mR/hr referenced to Cs-137
Accuracy
± 15%
Timer
Can set 1-10 minute sampling periods in 1-minute increments, 10-50 minute sampling periods in 10-minute increments, and 1-24 hour sampling periods in 1-hour increments
Count Light
Red LED flashes with each radiation event
Audio
Beeper beeps with each radiation event; can be muted
Outputs
Dual miniature jack drives CMOS or TTL devices, sending counts to computer or data logger. Submini jack allows for electronic calibration.
Anti-Saturation
Readout holds at full scale in fields up to 100 times the maximum reading
Temperature Range
-10° to +50° C , 14° to 122° F
Power
One 9-volt alkaline battery; battery life is minimum 200 hours at normal background, minimum 24 hours at 1 mR/hr
Size
150 x 80 x 30 mm (5.9″; x 3.2″; x 1.2″)
Weight
350 grams (12.5 oz) with battery
Options
P/N6947 Cable palmRAD-to-PC P/N6954 Wipetest Plate P/N7010-1 Water Resistant Kit P/N8000-SA3-907 3yr Service Agreement for 907
Shipping Weight
12 x 9 x 4″
Shipping Dimensions
3 lbs
Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our downloads page.
Playlist
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The Model 907 measures alpha, beta, and gamma radiation. The device is a health and safety instrument that is optimized to detect low levels of radiation.
Alpha radiation, beta radiation, gamma radiation, and x radiation. Neutron radiation is also encountered in nuclear power plants and high-altitude flight and emitted from some industrial radioactive sources.
