New acoustic pig tracker system is portable unitThe SPY PHONE pipeline acoustic pig tracker monitors pipeline travelers from the convenience of your vehicle. Click here to enlarge imageThe unit is not a geophone. The company says that its accurate acoustic listening device covers a frequency range of 1-20 khz, allowing the operator to set and restrict multiple frequencies. The system is designed to accommodate just about any field condition because it is lightweight, portable, and versatile.The battery-operated system indicates the passage of in-line pigs and provides the operator with setup and operation options. The omnidirectional pickup sensor can be placed into the ground via a 3 in...

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