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3-Axis Magnetoresistive Milligauss Meter MR3

3-Axis Magnetoresistive Milligauss Meter MR3

Update Terakhir 07 / 12 / 2022
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Detail 3-Axis Magnetoresistive Milligauss Meter MR3

Gauss Meter

Description
The MR3 Magnetoresistive Milligauss Meter measures and displays the three vector components (X, Y, Z) as well as the magnitude (M) of the static magnetic field. Update is two times per second. The three sensors are in a 25 mm (1”) cube at the end of a flexible 100 cm (40”) cable. It can be powered by 4 AA batteries (included) or a Worldwide AC adapter (included). It can collect and store data (X, Y, Z and M) for later download or stream data live via USB connector (see “USB Data Logging” below). Both the instantaneous values of X, Y, Z and M, and their peak values, are displayed on the meter screen. “Peak” values are the highest values seen since the peak reset button was pressed. Maximum error of sensitivity is +/- 0.5 % of the reading, and the maximum error of the offset is +/- 0.50 milligauss. Range is +/- 1999.99 milligauss with resolution 0.01 milligauss (or 1 nT) over the full range, displayed simultaneously for X, Y, Z and M. There is a “Zero” button which subtracts the instantaneous field for relative (tare) measurements, if required.

The X,Y,Z sensors are about 4 mm below the surface where the red X,Y, and Z are shown on the drawing. Exact position varies about +/-2 mm from that shown, and each MR3 unit has the locations of X,Y,Z manually marked. The arrows in the drawing represent the magnetic sensitivity directions of the corresponding X,Y, or Z sensors.

At fixed temperature, reproducibility is +/- 0.01 milligauss (1 nT) and the temperature coefficient of the offset is less than 0.01 milligauss/°C. The temperature coefficient for gain is less than .0015%/°C.

Features:

USB Data LoggingCan be used with AlphaApp.
Can store data remotely (data collection is subject to memory and power constraints. Fastest collection rate of data (sample every 0.5 seconds) can store ~18 hour. Slowest collection rate of data (sample every 30 seconds) can store ~47 days. We recommend any long duration remote capture session be powered by the AC adapter.


SPECIFICATIONS: Magnetoresistive Milligauss Meter MR3
Range:
1999.99 mG
Resolution:
0.01 mG
Accuracy:
±0.5%
Battery:
4 x AA alkaline (~ 24/20 hour life with backlight off/on) / “Low Battery” indicator