Similar to the Student G-M Tube except that the larger, 35 mm diameter window provides excellent photon efficiency for detecting low activity samples. The SN-7970A G-M Probe has a 200 µs dead time. Contains 10 shelf positions and is designed to accommodate the larger G-M Probe. The probe can be removed from the holder and comes with a standard BNC connector cable.
|Mica Window||≤2 mg/cm2|
|Probe Dimensions||11.25 x 3.5 cm (4.5 x 1.4 in.) OD, excluding connector|
|Operating Voltage||900 V, 150 V plateau|