MiniSting R1 IP Brochure.qxp
Contents
1. AG Tastee ne MINISTING Memory Earth Resistivity IP Meter gt ly ee ty a re ad N p 6 i WR WEN 7 yar g pA gt Y AS Tis oh Y k o a Vg 1 pri COLD Paint sip ws rue et lt i a Po _ CaS y F A e gt y E AA SF hy re fey YT 4 f Er ery Sh t es a lt E ON Ca a kt M i ORE a ai ta Appl ications e The instrument is delivered with user manual e The MiniSting is a memory earth resistivity IP_ battery charger utility software and data trans meter used for vertical electrical sounding fer cable and profiling using manual cables or used e The Swift accessory is especially valuable with the patented pat 6 404 203 Swift dual when performing resistivity imaging where mode automatic multi electrode system for large amounts of data are automatically resistivity amp IP imaging surveys recorded and stored in the instrument memo e The MiniSting Swift system can be pro ry grammed by the user to perform any type Of The MiniSting Swift system is used for resis resistivity survey tivity and IP imaging in applications such as e The MiniSting has automatic computation of groundwater amp mineral exploration geotechni resistivity and chargeability cal investigations horizontal drilling mapping e The MiniSting has internal memory for data of pollution plumes cavity detection archeo storage logical and environmental work etc MiniSting2. M six time slots measured and stored in memory ON OFF ON OFF 1s 2s 4sand8s Running average of measurement displayed after each cycle Automatic cycle stop when reading errors fall below user set limit or user set max cycles are done Basic measure time is 1 2 3 6 7 2 or 14 4 s as selected by user via keyboard auto ranging and commutation adds about 1 4 s Continuous averaging after each complete cycle Noise errors calculated and displayed as percentage of reading Reading dis played as resistance V I and apparent resistivity m Resistivity is calculated using user entered electrode array coordinates Better than 100 dB at f gt 20 Hz Better than 120 dB at power line frequencies 16 2 3 20 50 and 60 Hz Better than 1 of reading in most cases lab measurements Field measurement accuracy depends on ground noise and resistivi ty Instrument will calculate and display running estimate of measuring accuracy Calibration is done digitally by the microprocessor based on correction values stored in memory Resistance Schlumberger Wenner dipole dipole pole dipole pole pole azimuthal mise a la masse SP absolute and SP gra dient Full resolution reading average and error are stored along with user entered coordinates and time of day for each measurement Storage is effected automatically More than 3 000 measuring points can be stored in internal memory RS 232C channel included to dump data from instrument to PC on us
3. R1 IP MEMORY EARTH RESISTIVITY amp IP METER TECHNICAL SPECIFICATION Measurement modes Measurement range Measuring resolution Screen resolution Output current Output voltage Input gain ranging Input impedance Input voltage SP compensation Type of IP measurement IP current transmission IP time cycles Measure cycles Cycle time Signal processing Noise suppression Total accuracy System calibration Supported configurations Data storage Memory capacity Data transmission Automatic multi electrodes User controls Display Connectors Power supply Operating time Battery charger Weight Dimensions Brasil Tel 21 2556 1295 Fax 21 2205 5100 E mail info alphageofisica com br Web site www alphageofisica com br Apparent resistivity resistance voltage SP induced polarization IP battery voltage 400 k to 0 1 milli resistance 0 500 V full scale voltage autoranging Max 30 nV depends on voltage level 4 digits in engineering notation 1 2 5 10 20 50 100 200 500 mA The user can switch between high and low voltage limit for the transmitter 800 Vp p or 320 Vp p voltage limit Actual electrode voltage depends on transmitted current and ground resistivity Automatic always uses full dynamic range of receiver gt 20 M Max 500 V Automatic cancellation of SP voltages during resistivity measurement Constant and linearly varying SP cancels completely Time domain chargeabilitiy
4. Advanced Geosciences Inc 12700 Volente Rd Austin Texas 78726 USA Tel 1 512 335 3338 Fax 1 512 258 9958 E mail sales agiusa com Web site http www agiusa com
5. er command The MiniSting is designed to run dipole dipole surveys completely automatic with the optional Swift Dual Mode Automatic Multi electrode system patent 6 404 203 The MiniSting Swift can run any other array Schlumberger Wenner etc by using special user programmed command files These files are created in an MS DOS type computer and downloaded to the MiniSting RAM memory and are later recalled and run in the field Therefore there is no need for a fragile computer in the field 20 key tactile weather proof keyboard with numeric entry keys and function keys On off switch Measure button integrated within main keyboard LCD night light switch push to light Alphanumeric LCD display 4 lines x 20 characters with night light 4 banana plug pole screws for current and potential electrodes 3 pole KPT connector for external power 10 pole KPT connector for RS 232C and synchronization connections 12V 4 5 Ah NiMH built in rechargeable battery External power connector on front panel the instrument automatically selects external battery if present Depends on conditions internal circuitry in auto mode adjusts current to save energy At 20 mA output current and 10 k electrode resistance more than 2000 cycles are available from a fully charged battery pack Dual stage charger with switchable input 115 230 V AC 50 60 cycles 6 6 kg 14 5 Ib including battery Width 255 mm 10 length 255 mm 10 and height 123 mm 5
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