Appendix B2

Appendix B(2) Specifications for serial numbers between 101 and 140


·         Power source: 4 standard “D” size alkaline batteries

 

·         Accuracy: 0.3 percent plus or minus 5 least significant digits

 

·         Switching frequency: 5.00 Hertz plus or minus 0.01 percent (This frequency provides nearly perfect attenuation of 50 and 60 Hertz powerline noise)

 

·         No mechanical relays

 

·         Designed to operate with stainless steel electrodes. No nonpolarizing electrodes required to operate in either the resistivity or the IP mode.

 

·         Transmitter maximum compliance voltage: 730 peak-to-peak at 1 mA or 530 peak-to-peak at 10 mA (values for compliance voltage assume fresh batteries at room temperature)

 

·         Resistance measurement range: selectable, 0 to 19.999 ohms or 0 to 1999.9 ohms

 

·         IP (Quadrature Component) measurement range: 0 to 1.9999 or 0 to 199.99 ohms

 

·         Transmitter constant current choices: 1.0 milliamps when on the 1999.9 ohm range or 10.0 milliamps when on the 19.999 ohm range      

 

·         Input resistance: 200 Megohms 

 

·         Operating Temperature Range: -10 to +50 degrees Celsius (limited by LCD)

 

·         Storage Temperature Range: -20 to + 75 degrees Celsius

 

·         Housing: water tight, high-impact plastic

 

·         Display device: 4.5 digit LCD Digital Panel Meter

 

·         Dimensions: 36.3 x 27.4 x 15.8 cm (14.3 x 10.8 x 6.2 inches)

 

·         Weight:    4.3 Kilos   (9.5 pounds)

 

·         Impact resistance: will sustain a drop of one meter to a concrete surface (vibration isolated printed circuit board.

 

·         Resistance mode resolution:  1 milliohm

 

·         IP (quadrature component) mode resolution:  0.1milliohm

 

·         Typical resistance mode capabilities: Provides accurate Wenner Array resistivities with “a” spacings of 1 foot to 600 feet (current electrode separation of 1800 feet or more)

 

·         Typical induced polarization mode capabilities: Provides accurate Wenner Array IP phase readings with “a” spacings of 1 foot to over 100 feet

 

·         Readings per set of batteries at room temperature: 1999.9 W range – 1400 readings

                                                                                        19.999 W range – 750 readings


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