Digital High Accuracy Underground Metal Detector

Applications:

By utilizing relevant parameters of apparent resistivity and induced polarization method,this metal detector is widely used in many aspects including metal and non-metal mineral resources exploration,energy exploration,city geophysical exploration,railway and bridge engineering exploration,etc. Search for groundwater,search for geothermal and other hydrological,engineering geological exploration.With 60-channel & 120-channel multiplex electrode switch made by our factory,this metal detector can also be used as multi-electrode resistivity survey system.

Main Features:

Small,light,this metal detector integrates receiver and transmitter together in the same cabinet, which can be used for measurement via apparent resistivity method and induced polarization method.

Various Measurement Parameter: Instrument can be applied in direct measurement and indication of primary potential Vp, spontaneous potential Vsp, power supply current I, apparent resistivity Ro, apparent polarizability Ms, half-decay time Th, degree of decay D, integrated IP parameters Zp, and degree of deviation R.

Main Specification:

Measuring voltage range: -6000mV~+6000mV  Measuring voltage resolution: 0.01mV

Measuring voltage accuracy: (at Vp>10mV)±5%, ±1 digit; (at Vp>10mV)±1%, ±1 digit

Measured apparent polarizability accuracy: ±1%, ±1 digit

Measuring current range: 0~5000mA          Measuring current resolution: 0.01mA

Measuring current accuracy: (at Ip>10mA)±5%, ±1 digit; (at Ip>10mA)±1%, ±1 digit

Input impedance: >50M ohm

Interference suppression on 50Hz power frequency: better than 80dB

Maximum power supply voltage: 900V         Maximum power supply current: 5A

Power pulse width: 1-6 seconds, duty cycle 1:1

Working temperature: -10C Celcius ~ +50C Celcius, 95Rh

Weight: 8 kg

Volume: 305*200*202mm