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TCM-XB

3-axis measurement High Resolution / Accuracy Low power consumption Hard- and soft- iron correction

Manufacturer: PNI Sensor Corporation

Description

Overview

3-Axis Compass Module

Where GPS is compromised or unavailable — whether underwater or underground, beneath a bridge or inside a building — PNI's TCM tilt-compensated 3-axis compass module provides reliable, pinpoint-accurate pitch, roll and compass heading. The TCM uses advanced algorithms to counter the effects of hard and soft iron distortiions in the host system, providing highly accurate heading information in most any environment and any orientation. PNI's patented geomagnetic sensors and pioneering measurement technology combine to provide all this performance under a low-power budget that extends mission duration. The TCM's unmatched performance in real-world conditions makes it ideal for applications that require consistency and accuracy in the field — dead-reckoning navigation, far-target location, AUV and ROV navigation, object tracking, range finding, seismic monitoring and more.

Sub 1° accuracy

The TCM is a high-performance, low power consumption, tilt-compensated compass module that provides industry-leading heading accuracy. The TCM combines PNI's patented geomagnetic sensors and 3-axis MEMS accelerometer with PNI's proprietary factory calibration algorithms to ensure absolute accuracy.

Real world conditions

PNI recognizes there's a difference between performing well in the factory and perfoming well in the field. The TCM's advanced field calibration algorithms account for these differences by correcting for local magnetic distortions. And since applications may have physical constraints for doing calibration, the TCM provides four user-selectable calibration modes, as well as the ability to recalibrate the accelerometers to ensure long-term accuracy. The TCM's measurement technology inherently ensures the module is free from offset drift and provides high measurement resolution, which is critically important at high and low lattitudes where the dip angle (inclination) limits the usefulness of other compasses. So the TCM performs well in the field, not just in the factory.

Specifications

Heading Specifications
Heading Accuracy <0.3˚rms ≤65˚of tilt after full range calibration
  <2.0˚rms ≤5˚of tilt after 2D calibration
  <2.0˚rms ≤2 times the calbration tilt angle after limited-tilt calibration
Repeatability 0.05° rms
Resolution 0.1°
Magnetometer Specifications
Calibrated Field Measurement Range ±125 µT
Maximum Dip Angle (functional)  85°
Tilt Specifications
Accuracy 0.2° rms
Range ±90° pitch, ±180°roll
Repeatability 0.05° rms
Resolution 0.01°
Mechanical Characteristics
TCM XB Dimensions (l × w × h) 3.5 × 4.3 × 1.3 cm
Communication Interface
TCM XB RS232 UART
I/O Characteristics
Maximum Sample Rate ≈30 samples/sec
Power Requirements
TCM XB Current Draw @ 8 Hz 16 mA
TCM XB Current Draw, sleep mode 0.3 mA
TCM XB Supply Voltage 3.6 - 5 VDC
Environmental Characteristics
Operating Temperature Range −40C to +85C
Storage Temperature Range −40C to +85C

Ordering Info

Part Number Description
12810 TCM-XB
90034 TCM-XB Interface Kit, includes pigtail cable 
90035 TCM-XB Eval Kit, includes pigtail cable and 6' eval cable 

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By Phone

Toll Free: 800.665.5600 (North America)
Direct: 604.814.5069
Fax: 888.831.5149

By Mail

Tri-M Technologies Inc.
208 – 31510 Gill Avenue
Mission, BC, Canada  V4S 0A1

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