IMI Hawk Radius Dual sensor radiation probe (5mR/h; 10mR/h; 10,00 CPM/mR/h)

Detector 1: Halogen-quenched “pancake” Geiger-Mueller tube (LND 73126). Effective diameter 1.75″ (45 mm). Mica window density 1.5-2.0 mg/cm2

Gamma Sensitivity: 3500 CPM/mR/hr referenced to Cs-137

Beta Efficiency (for 4Π at contact):

14C: 49 keV avg., 156 keV max., 5.3%

210Bi: 390 keV avg., 1.2 MeV max., 32%

90Sr: 546 keV avg., 2.3 MeV max, 38%

32P: 693 keV avg., 1.7 MeV max., 33%

Measurement Range: 0 to 5 mR/hr or 0 to 18,000 CPM calibration check, typical maximum 10 mR/hr or 35,000 CPM

Window Shield: NCR2/2 Mylar laminated to a copper beryllium screen

Detector 2: Halogen-quenched energy compensated Geiger-Mueller tube (LND 7128). Effective diameter .36″ (9.1 mm)

Gamma Sensitivity: 1000 CPM/mR/hr referenced to Cs-137

Measurement Range: 0 to 5 mR/hr calibration check, typical maximum 10 mR/hr or 10,000 CPM

Temperature Range: -40° to 75°C (-40° to 167°F)

Power Requirement: 3.5 to 15 V DC

Current Drain: <1 mA (typical) at background radiation levels, to 25 mA (max) @ 12 V DC in high fields.

Lightning Surge Protection: to 600 W for 1 ms

ESD Protection: up to 16 kV

Size (L x W x H): 6.25″ x 3.15″ x 2.35″ (157 mm x 78 mm x 60 mm). Connector adds 0.6″ to length.

L-Bracket: 6.25″ x 3.25″ x 2.25″ (157 mm x 83 mm x 57 mm). Thickness 0.1″ (2.54 mm).

Probe Weight: 21.1 oz. (599 gr.) With Bracket: 25.6 oz. (726 gr.)

Probe Housing: Anodized aluminum and polycarbonate. Designed for outdoor use.

Cable: Waterproof. RFI-shielded. UV-resistant jacket. 10 meter length.

Connector: M12 Euro. Waterproof. RFI-shielded.

Computer Interface: Optional cable with RS-232 or USB 2.0 interface.

Datasheet