Table T18. Specifications of the BGR oriented borehole magnetometer.
Parameter
Specification
General:
Length (m) 6.25
Diameter (mm) 92
Weight (kg) 250
Maximum temperature (°C) 230
Maximum pressure (bar) 800
Maximum cable length (m) 10,000
Cable type Schlumberger 7-46P
Operating voltage (V DC) 55
Operating current (mA) 250
Cable head GO 7
Magnetometer:
Range (each component) (nT) ±85,000
Resolution (nT) 1
Tiltmeters:
Range (°) ±87
Resolution (°) 0.2
Gyro:
Resolution (mdeg/s) 1

Note: V = volts, DC = direct current.