SPECIFICATIONS
The error (2 sigma) of determination and output of gyromagnetic heading at 
0.17±0.3 Ersted of magnetic intensity in the range of 360 deg is:

- under normal conditions ..... 0.7deg max
- at-50 to +50 °C of operational 
temperatures .....1.0 deg max
Readiness time ..... 3min
Weight   ..... 3,5 kg