GGT10 Brochure.pdf - Scintrex

THE GGT-10 TRANSMITTERVersatile, Medium PowerFEATURESn Constant current supplyn Used for time/frequency domain IP, Resistivity, CR, TEM, CSAMTn Broadband: DC to 8 kHz (standard)n Outputs up to 1000 V, 20A (Optional 30A)n Fast turn off time: 125 µsec (300 x 300 m loop)n Drives a loop or grounded dipolen Efficient, modular designn Rugged design reliable in all climatesn Optional internal time baseDesert Bloom 1998 Picacho Peak AZZonge Engineering and Research Organization, Inc.Specialists in Electrical Geophysics • Field Surveys • Geophysical Consulting • Instrumentation Sales and Lease

SPECIFICATIONS FOR THE GGT-10 TRANSMITTERGeneralDescription: Broadband, constant-current, time andfrequency domain, medium power geophysical transmitterEnclosure: Welded, hardened aluminum frame inserted ina high impact fiberglass caseSize: 53 x 51 x 37 cm (21 x 20 x 14.5 in)Weight: 51 kg (113 lb)Operating temperature: - 40°to +55°C ( - 40° to +130°F)Operating humidity: 0 to 90%, non-condensingElectrical CharacteristicsDrives a loop or grounded dipoleTurnoff time: Under 10 µsec for a resistive load; 125 µsecfor a 300 x 300 m loop (16 ohms resistance, full current)Maximum input: 10KVA @ 30°COutput voltage range: 50 to 1000 VOutput current range: 0.2 to 20A (Optional 30A)Current stability: ±0.2%Frequency range: DC to 8 kHzSwitching ControlSwitching controlled by external deviceRecommended transmitter controller: Zonge XMT-32Waveform type: Capable of virtually any type of pulsewaveform, limited by external controller deviceControlsPower ON/OFFTransmit/reset switchCurrent adjust pot, continuously adjustable, lockingVoltage range switch (50-250 V, 200-500 V, 450-750 V, 700-1000 V)Loop/dipole select switchDisplaysAnalog input voltage meter, 0-150 VAnalog output voltage meter, 0-1000 VPower on/off lamp, transmit lamp, output lampLCD:Output current (±0.01A)Input power (0-30KW)Transformer temperatureLoop turnoff time (microseconds)Indicator lamps: control power on, transmit on, transmitpolarityFault indicator lamps: output and input overcurrent, outputand input overvoltage, end of regulation, alternatorovervoltage, open circuitOutput JacksCurrent calibrate terminals (50 mV/A)Output current terminalsGrounding jackPowerThree-phase, 120 VAC, 400 HzRecommended motor generator set: Zonge ZMG-7.5Power connector: four-pin military screw-type withlocking ringOptionsSpare parts kit (standard and extended kits available)LCD heater for temperatures below - 15°C (+5°F)Current monitor isoamp moduleResistor load bankSwitch box for rapid switching of dipole pairsInternal timing board for specified IP-range frequencies30 amp outputSpecifications subject to change without notice© Copyright 1998, Zonge Engineering & Research Organization, Inc.Zonge Engineering and Research Organization, Inc.Offices:Arizona, Alaska, Nevada, Australia and ChileHeadquarters:3322 E. Ft. Lowell Road, Tucson, AZ 85716, USA (800) 523-9913Tel: (520) 327-5501 Fax: (520) 325-1588 Email: zonge@zonge.com,www.zonge.com