The Ranger offers maximum performance in a lightweight, rugged nuclear radiation detector for surveying at the facility or in the field. The Ranger has been designed for industrial environments, but it still has all of the features you’ve come to love in the lab. It’s small, handheld, digital and offers excellent sensitivity to low levels of alpha, beta, gamma, and x-rays.
This model has built in efficiencies for common isotopes to calculate activity in Bq and DPM. It has a backlit digital display, a red count light, and a beeper that sounds with each count detected. Other features include selectable alert levels, an adjustable timer, and an optional wipe test plate for swipes. Internal memory and the free Observer USB Software allow you to download your data, and set computer alarms.
Internal Halogen-quenched, uncompensated GM tube with thin mica window, 1.4-2.0 mg/cm2 areal density. Effective diameter of window is 45 mm (1.77 in.).
Operating Range
mR/hr – .001 (1µR) to 100
CPM – 0 to 350,000
µSv/hr – .01 to 1000
CPS – 0 to 5000
Total Counts- 1 to 9,999,000 counts
|
Energy Sensitivity
Detects Alpha down to 2 MeV. Detects Beta down to .16 MeV; typical detection efficiency at 1 MeV is approx. 25%. Detects Gamma down to 10 KeV through the detector window. 3340 CPM/mR/hr (137Cs). Smallest detectable level for 125I is .02 µCi at contact.
Built-in Efficiencies
Sulfur (35S), Strontium (90Sr/y), Cesium (137Cs), Phosphorus (32P), Carbon (14C), Iodine (131I), Cobalt (60Co), and Alpha
Display
Graphic LCD with Backlight
Anti Saturation
Meter will hold at OVER RANGE in fields as high as 100 times the maximum reading.
Averaging Periods
This radiation detector 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.
Included with Ranger
Outputs
USB for use with Free Observer USB Software for PCs Bluetooth Option additional: Wirelessly connects the instrument with an Android mobile device for use with Free Observer BLE App
Count Light
Red LED flashes with each radiation event.
Audio Indicator
Internally mounted beeper (can be switched off for silent operation)
Power Requirements
USB Power or Two (2) AA alkaline batteries (included). Approx. 800 hrs @ background.
Accuracy
Reference to Cs137
Typically ±15% from factory, ±10% with NIST Source Calibration NIST Calibration Additional
Selectable Alert Settings
mR/hr .001 – 100 and CPM 1 – 350,000. Pulsating beeper sounds the alert. Adjustable alert levels are used for mR/hr / CPM, and µSv/hr / CPS. 70db @ 1m. Alarm will sound when in Timer Mode when set alarm threshold is reached.
Temperature Range
-10° to +50°C (14° to 122°F)
Humidity
10% to 70% Non-Condensing.
Size
140 X 68 X 33 mm (5.5 X 2.7 X 1.3 in.)
Weight
291g (0.64 lbs.)
Includes
Carrying Case, Xtreme Boot, Lanyard, Stand, Batteries, Mini-USB Cable, Observer USB Software, Observer BLE Software, Certificate of Conformance
Options
Wipe Test Plate, Swipes, Water Resistance Case, NIST Calibration
Bluetooth module available for use with Observer BLE APP and Rad Responder
Limited Warranty
1 year limited warranty
Ranger Options
