    
The Model 113D is a tri-axial vector magnetometer system with a high-speed digital interface
that can transmit XYZ magnetic field values at up to 140 times a second.
Current consumption is 28 ma @+5 V and 7 ma
@ -5 V. The Model 113D Magnetometer contains a microprocessor and a three channel 16-bit
analog
to digital converter. The system also contains a
temperature sensor.
The functions performed by the system microprocessor and A to D subsystem are:
1) conversion of the sensor analog outputs to digital form.
2) calibration of the sensor scale, offset and alignment.
3) implementation of serial communications between the system and an external computer.
The Model 113D Magnetometer communicates with the outside world over bi-directional
RS232 and TTL serial interfaces.
An ASCII character command language
has been created to facilitate communication with the 113D
An autosend data mode is included in the 113D software. When this mode is active, a continuous
data stream is automatically sent out the serial port after power is applied to the system.
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