The Model "G"
gravity meter has been the standard instrument for regional gravity data
acquisition throughout the world for over 40 years! It has a world-wide
range of 7,000 mGals without resetting. One turn of the nulling dial is
approximately 1 mGal.
The main
components you see on the black meter lid are:
Arrestment Knob (Clamp)
Nulling Dial
Three leveling screws
Bubble Levels
Eyepiece for Viewing Beam Position
Switch for Internal Light
MODEL "G" GRAVITY METER SPECIFICATIONS
RANGE:
7000 mGal
ACCURACY:
0.04 mGal or better
DRIFT:
1.0 mGal per month or less
LENGTH:
7-3/4 inches (19.7 cm)
HEIGHT:
9-7/8 inches (25.1 cm)
Weight of
suitable battery: 5 pounds (2.3 kg)
DATA RESOLUTION: 0.005 mGal
REPEATABILITY: 0.01 to 0.02 mGal
TEMP.RANGE:
-25°C to +45°C
WIDTH:
7 inches (17.8 cm)
WEIGHT:
7 pounds (3.2 kg)
Weight of
meter, battery and carrying case: 22 pounds (10.0 kg)
