PK312 9V Backup Battery Pack
This optional battery pack holds a 9 V Alkaline battery that provides at least 12 hours of operation for the Tasman V1000, V2000 or VRM10 Sprite.  The V1000, V2000, or VRM10 Sprite automatically and seamlessly switch over to the 9V power from the PK312 if 12V power input is lost.  The audio still functions, but the maximum volume is reduced from 5 to 3. 

This device will supply the Tasman V1000, V2000, or VRM10 Sprite variometer with automatic battery power backup in the event of failure of the main supply. It can provide a "get home" fail safe facility or simply allow the continuation of a flight that might otherwise be lost. It operates by sampling the load current and switches to the best power source by a latching relay. The LO BATT signal is displayed when operating from under 10.5 volts. No standby power is consumed by the PK312. A single 9V battery should last an entire soaring season if it is not used in flight for extended periods of time.

Simple Installation
The V1000, V2000 and VRM10 Sprite are delivered with a power cable that plugs into the back of the variometer.  The PK312 includes a cable that is to be connected between the PK312 and the variometer - into the connector where the vario's power cable would normally go.  The variometer power cable is then plugged into the 2nd power connector on the PK312.  No soldering or wiring is required.

V1000 Upgrade Required
A hardware and software upgrade is required to all V1000 units with serial numbers before 060519 to be compatible with the PK312.  The hardware and software changes were necessary so that the V1000 can automatically switch itself off to conserve the battery if no altitude change is sensed over 2 hours. 


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Tasman PK312

  • Brand: Tasman
  • Product Code: TasmanPK312
  • Availability: In Stock
  • $150.00


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Tags: Backup Battery Pack