... 1 pieceOperation Manual 1Accessories 1 setProduct parameters1,Frequency: (Hz C/S)Three-frequency measurement: Each measuring point measures the followingthree ... ,Measurement parameters: Magneto telluric different frequencies electricfield componentΔV⊥s,ΔV,s (mV)3,Measuring range: 1 uV-250mV, instrument ... Power: 12V/1.2AH battery6,Work environment: Temperature (-10°C—+45°C), relative humidity: ≤85%