Avalon Gamma Logging Tool specification comparison table

Specifications	GRT-2 HP	GRT-2 EHP	GRT-5	GRT-100
Length	33.5″(853mm)	33.5″(853mm)	28″ (720mm)	24″ (618mm)
Diameter	3″ (76mm)	3″ (76mm)	1-11/16th” (43mm)	1-11/16th” (43mm)
Weight	26lb (12kg)	38lb (17kg)	9lb (4.1kg)	8.4lb (3.8kg)
Temperature	350°F (180°C)	350°F (180°C)	350°F (180°C)	350°F (180°C)
Pressure	25,000 psi (1750 bar)	30,000 psi (2070 bar)	20,000 psi (1375 bar)	20,000psi (1375 bar)
Connection	ASR	ASR	STAS	GO 1 Monocable
Operating Voltage	+60V DC	+60V DC	+60V DC	+60V DC