Magnetometers

From YMG

300М Sea Spy Marine Magnetics differential magnetometer by Geometrics

300М Sea Spy Marine Magnetics magnetometer is designed for high-accuracy magnetic sea surveys in differential mode for measurements of the Earth's magnetic field and can be used for oil and gas exploration, search for metal and sunken objects and for cartography.

Specifications:
Sensitivity	0,01 nTl
Absolute error	0,2 nTl
Sampling frequency	4 Hz — 0,1 Hz
Range	from 18 000 nTl till 120 000 nTl
Tolerance limit of gradient	10 000 nTl / m
Power supply	15VDC—35VDC or 100—240VAC
Operation temperature	from -45°C till +60°C
Temperature sensor	from -45°C till +60°C, step 0,1°C
Pressure sensor	100 psi, 500 psi, 2 500 psi, 5 000 psi, 10 000 psi
Depth sensorsensor	No-mag 200 kHz

MDM differential magnetometer (Russian made)

Specifications:
Type	proton
Range of measurement, nTl	20000 — 80000
Number of sensors	2
Value of count, nTl	0,01 — 0,1
Measuring period, s	1, 3, 6, 10, 30
Absolute error, nTl	max 2,5

G-877 sea proton magnetometer by Geometrics

Specifications:
Measurement range	20000 — 100000 nTl
Response	0,1 nTl
Absolute error	max 1 nTl
Quantity of sensors	2
Recording	Digital on РС with graphic visualization of magnetic field on display

G-877 is a one channel magnetometer, designed for shallow water surveys.