Advantages of the MTC-100 series

Simultaneous broadband sensors are the new worldwide standard for commercial MT surveys. They are routinely used in North and South America, Europe, Africa and Asia. The use of the MTC-100 series decreases operating costs of surveys while improving data quality.

See below for a list of some specific advantages that are now commonly specified in scope of works.

Field advantages

Switch free

Beeing switch free means that the 100 series sensors do not need to be programmed to record AMT and then MT . It will record both bands simultaneously. This brings a dramatic improvement in the AMT and MT deadbands.

During overnight MT readings, AMT gets collected at no additional cost. A recording of 6 hours of MT will deliver 6 hours of AMT. AMT readings performed in this fashion are likely to be free of AMT deadband and have a better response in the MT deadband as AMT faster sampling rate used to calculate the MT frequencies within the deadband.

Quantec ran some trials with the MTC-150 comparing the response to other Phoenix sensors and sensors from other manufacturers. We were favourably impressed with the result. The data above 100 seconds are consistent with data we would be pleased to offer our clients, and the quality of the data below 100 seconds gets close to that attainable with the MTC-50, and would be suitable for many projects

Roger Sharpe, VP R&D , Quantec Geosciences

COMPARISON OF RESISTIVITIES CALCULATION AT A GIVEN SITE. MTC-150 PERFORMS WELL AT BANDS NOT COVERED BY DEDICATED SENSORS. MTC-150 PROVIDES THE SAME OR BETTER RESPONSE IN THE COMMON BANDS OF THE DEDICATED SENSORS, THANKS TO FASTER SAMPLING RATES REQUIRED TO OPERATE THE SENSOR

Deeper vertical readings

Because of it’s shorter dimensions, the MTC-180 is the perfect vertical sensor : at 86 cm long, it is easier to bury fully . Once fully buried, users can expect to finally get a proper vertical response down 100 secondes, which greatly improve inversions at depth.

With the addition of the AMT band at no extra costs, Inversions using tipper data improves near surface calculations and minimize static shift more efficiently.

80 CM DEEP HOLE IS ENOUGH

In-field calibration

Apart from being the lowest noise sensors in the world for these bandwidths, the MTC-100 series comes with a calibration utility that allows users to check the integrity of their sensors, compensate for temperatures variations (if any) and verify the stability of the transfer function.

As part of any MTU Phoenix receivers, a calibration routine is built into the system and can be triggered very easily in the field in a few clicks. Results can be observed immediately.

Phoenix geophysicists calibrating sensors on the field
PERFORM AND OBSERVE CALIBRATION RESULTS IN THE FIELD FOR AN IMPROVED CONFIDENCE IN YOUR EQUIPMENT