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Specifications

Resistivity Instruments Detailed Specifications 1

Output Voltage 36 V
Frequency 137 Hz crystal controlled (other frequencies available)
Current 0.1 mA 1.0 mA 10 mA plus/minus 0.2%
Receiver Gain 1 10 100
Analogue Display 200 mV to 20 V 3.5 digits (0.2 ohms to 200k ohms plus/minus 1%)
Power 4x9V PP3 batteries or rechargable NiCad PP3
Weight 0.8 kg with medium duty enclosure
Battery life 15-20 hours continuous @ 0.1-1 mA 12-15 hours @ 10 mA
Data Reader Separate unit for data integrity
Frame 2/4 electrode configuration (Dipole and Wenner)
0.5m standard spacing (0.3m Wenner)
GRP and hardwood construction ergonomic design. Weight 3kg
Reference frame Included 0.5m spacing
Probes Stainless steel 10x150mm standard
Info/Software Data reader software included. MS Excel templates for data analysis and display
Helpline for setup and data problems
Manuals and guides for data taking included
Model 216
Data 12 bits (plus/minus 0.02% A/D conversion)
Memory 16k bytes (16 30x30m squares) upgradable
Download 3 minutes (10sec/1k bytes)