*Main Applications of the Underground Resources Detector:

DDC-8 electronic automatic sompensation instrument is a kind of machine use resistivity data.the instrument is widely used in the following fields:

**Hydrological research,

**Environmental protection,

**Engineering  geophysical prospecting,

**Metal and nonmetallic mineral resources exploration.

*Main Technical Parameters of the  Underground Resources Detector:

Max Power Supply Voltage: 700V

Voltage measuring Accuracy: ±1.5%, ±0.1mV

Measuring Voltage range: ±3000mV

Max Power Supply Current:3A

Current Measuring Accuracy: ±1.5%, ±0.1mA

Measuring Current range :0.1mA~3000mA

SP compensation range: -1000mV~+1000mV

Input impedance:>30MΩ

Working Temperature:-10~50 degree

Size:244mm*154mm*237mm

*Main Features of the  Underground Resources Detector:

**Micro computer control the instrument;

**Directly read the resistivity;

**A variety of method to put electrode;

**Data protection when power off.

*Main Pics of the Underground Resources Detector: