GammaView Scintillation Survey Meter

  • Model: GammaView


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The compact GammaView with a 1x1 Nal scintillation detector, is light and ergonomic. It is an ultra sensitive detector for low-level gamma radiation, useful for surveying gamma contamination and exposure. The GammaView is ideal for use in the lab, facility, and in the field.

The GammaView features a downloadable smart phone app that provides real time display and data-logging with a GPS stamp. Another interesting feature is the single-channel analyzer (SCA) option. This function allows a “window” to be set to focus on a specific energy region of the gamma spectrum, effectively reducing the background count.

Features Included:
Adjustable Timer, Selectable Alert, On-board Memory, Bluetooth, Free Software and App.

Specific Applications Include: Compliance monitoring, environmental monitoring, remote monitoring, health physics, homeland defense.

1x1 NaI Scintillation Probe. 2.5 cm (1 in) dia. x 2.5 cm (1 in) thick with C Connector


Operating Range
mR/hr – 1 μR/h to 5 mR/h
μSv/hr - 0.001 to 50
CPM – 0 to approx. 875,000
CPS – 0 to approx. 14,584
Total Counts- 999,999

Energy Range
20 Kev to 1.5 MeV

Typical sensitivity
150 CPM/µR/hr.

±10% with Source Calibration (Referenced to Cs137)

Operating Voltage
Typically 500 to 1200 Volts

Selectable Alert Set Range
mR/hr - 1 μR/h to 5 mR/h
μSv/hr - 0.001 to 50
CPM - 1 to 875,000
CPS- 1 to 14,584
Pulsating beeper sounds the alert.

Graphic Display with Backlight

Averaging Periods
Display updates every 3 seconds. At low background
levels, the update is the average for the past 30-second time
period. The timed period for the average decreases as the
radiation level increases.

Meter will hold at OVER RANGE in fields as high as 100 times
the maximum reading.

USB for use with Free Observer USB Software for PCs
Bluetooth for use with the Free Observer BLE App for Android.

Count Light
Red LED flashes with each radiation event.

Audio Indicator
Internally mounted beeper (can be switched off for silent operation)

Power Requirements
Two AA alkaline batteries (included). Approx. 500 hrs @ background.

Base unit - 140 X 68 X 33 mm (5.5 X 2.7 X 1.3 in.), Probe- 5.0 X 18.5 cm (2 x 7.3 in)

Temperature Range
-15°C to +50°C (14°F to 122°F)


10% to 70% Non-Condensing.

Base unit - 193 grams (6.8 oz) with batteries. Probe- 393 grams (13.8 oz)

NIST Certificate of Calibration, Carrying Case, Xtreme Boot, Stand, Lanyard, Mini-USB Cable, Free Observer USB Software Download, Free Observer BLE Software Download.

1 Year Limited Warranty

This product was added to our catalog on Friday 12 November, 2021.


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