Geomatrix Earth Science Ltd  offer the superb Scintrex CG5 gravity meter for hire.

The CG-5 is the latest, gravity meter from Scintrex Ltd. It offers all of the features of the low noise industry standard CG-3M micro-gravity, but is lighter and smaller, has a larger screen which gives a superior user interface. The CG-5 can be operated with minimal operator training, and automated features significantly reduce the possibility of reading errors

Data down load bottlenecks have been eased with the provision of a fast USB interface and flexible data formats. Noise rejection has been improved.

By constantly monitoring electronic tilt sensors, the CG-5 can automatically compensate for errors in gravity meter tilt. Due to low mass and excellent elastic properties of fused quartz, tares are virtually eliminated. The CG-5 can be transported over very rough  rough roads and the residual drift remains low. The CG-5 can withstand a shock of more than 20G and the tare will be no more than 5 micro Gal.

The CG-5 offers the best possible repeatability. Over many 10's of field readings the CG-5 will repeat to within a standard deviation of 0.005mGal 

+/- 200 arc.sec