ASTRA-100 ELECTRICAL EXPLORATION TRANSMITTER

The ASTRA-100 electrical exploration transmitter is designed for generating an electromagnetic field during geophysical survey using the DC current, induced polarization, frequency sounding (including impedance sounding) methods, etc.

Specifications

Maximum output power	100 W
Maximum output voltage	400 V
Output current and respective ranges of resistance R_AB	1.00 mA, 5.0 – 250 kOhms
	3.16 mA, 1.5 – 80 kOhms
	10.0 mA, 0.5 – 25 kOhms
	31.6 mA, 150 – 8000 Ohms
	100 mA, 50 – 2500 Ohms
	316 mA, 15 – 800 Ohms
	1000 mA, 5 – 100 Ohms
Output current waveform	“Meander” (bipolar rectangular pulses w/o interval)
Operating frequencies, Hz
First frequency range:	0.019, 0.038, 0.076, 0.153, 0.305, 0.610, 1.221, 2.441, 4.883, 9.766, 19.53, 39.06, 78.13, 156.3, 312.5, 625.0
Second frequency range:	0.021, 0.032, 0.042, 0.063, 0.083, 0.125, 0.167, 0.250, 0.333, 0.500, 0.667, 1.000, 1.333, 2.000, 2.667, 4.000, 5.333, 8.000, 10.67, 16.00, 21.33, 32.00, 42.67, 64.00, 85.33, 128.0, 170.7, 256.0, 341.3, 512.0
Performance	up to 80%
Acceleration time under active load	2 sec
Operating temperature range	from -20°C to +50°C
Power supply voltage	≈ 12 V (min 9.5 V, max 15.5 V)
Weight (w/o battery)	2 kg
Dimensions	200 x 173 x 113 mm
Alphanumeric LCD	4 lines x 16 symbols
Alphanumerical indication:	– operating frequency
	– output current value
	– storage battery voltage
	– status (standby, operation, discontinuity of power line (AB), low supply voltage)
	– load resistance
	– output voltage
Sound indication	operation – discontinuity of power line (AB)
Sealed case	IP65 standard

ASTRA-100 ELECTRICAL EXPLORATION TRANSMITTER

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ASTRA-100 ELECTRICAL EXPLORATION TRANSMITTER

Specification

Description

Contact us

Geotech

Contacts

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