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Buy Wireless Temperature Sensors!
Monnit WIT™ Wireless Compass Sensor    

Wireless Compass Sensor

The wireless compass sensor uses a highly sensative 3 axis digital compass to return the orientation of the device in regards to magnetic north. Great for tracking directional behavior and positioning. User customization allows you to set alerts via SMS text or email if criteria are met or exceeded.

Monnit WIT Wireless Sensor Specifications
  • 900 MHz Operating Frequency (25 Channels)
  • 300 - 500 ft. Device Range*
  • Replaceable 3.0V Battery
  • At 1 hour heartbeat setting, coin
    cell battery will last ~ 2-4 Years. **
     
  • Uses 3-axis digital compass.
  • Operating temperature: -20° to 60°C (-4° to 140°F)
  • Small size is ideal for embedded applications.
  • User defined thresholds for alerts and notifications.

* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting
    frequency and other variables.

Compass Sensor Specifications Min Typ Max Units
Field Range (Full scale (FS) - total applied field) -8   +8 gauss
Mag Dynamic Range ( 3-bit gain control) ±1   ±8 gauss
Resolution (VDD=3.0V, GN=2)   5   milli-gauss
Linearity (±2.0 gauss input range)     0.1 ±% FS
Hysteresis (±2.0 gauss input range)   ±25   ppm
Cross-Axis Sensitivity (Cross field = 0.5 gauss)   ±0.2%   %FS / gauss
Output Rate (Continuous Measurement Mode) 0.75   75 HZ
Output Rate (Single Measurement Mode)     160 Hz
Measurement Period   6   msec
Gain Tolerance   ±5   %
Operating Temperature (Ambient) -30   +85 °C
Gain Tolerance (Ambient, unbiased) -40   +125 °C

Need Longer Battery Life?
Monnit WIT2 Sensors provide the same features and benefits of our standard sensors but with the added value of AA batteries. The AA battery option is more robust at a wider temperature range and provides extremely long life for quicker heartbeats.
  • 2 replaceable AA 1.5V batteries.
  • At 1 hour heartbeat setting, included AA batteries will last more than 4 Years. **
  • Robust sensor housing.
WIT2 Sensor Specifications

** Battery life is determined by sensor reporting
    frequency and other variables.
WIT2 Wireless Compass Sensor