An AECL-designed, extendable-probe gamma survey meter. The meter is intended for very high radiation fields of up to 10 kilorads per hour (about 100 sieverts/h). The meter, with a closed probe length of 75 cm, can be extended to a probe length of 162 cm. It is provided with two scales; 0-3 and 0-10 kilorads/h. The detector(s) on the end of the probe is/are 2.5 cm in length and 1.5 cm in diameter. The window at the end of the counter has an aperture of 5 mm. No detailed information has been located on the detector(s) used in this monitor. The meter is believed to have been designed at Chalk River and built to AECL specifications by Canadian Admiral Corporation Ltd. Later similar commercial versions, purchased from Germany, replaced this unit.
