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We design, manufacture and deliver geological prospecting and exploration equipment and software
We design, manufacture and deliver geological prospecting and exploration equipment and software

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ASTRA-100 Transmitter

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Item ID: astra100

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Electrical exploration transmitter ASTRA-100 is designed to produce electromagnetic field during geophysical survey using currents with frequencies from 0.063 to 2500 Hz. Maximum output current peak power of 100 W allows depths of investigation from first meters up to first hundreds of meters to be reached. One specific thing about this transmitter is that it has programmable operating mode – 7 programs up to 16 steps in each. ASTRA-100 is a lightweight compact meter, supplied with a special carrying bag; that is why it is ideal for electrical profiling, electrical sounding and other survey methods that require frequent relocations of supply line.

Application: solving the civil tasks related to studies of the electrical properties of soils and in-situ rocks.

Maximum output power 100 W
Maximum output voltage 400 V
Output current form RPI-1 “Meander” (bipolar rectangular pulses w/o interval)
Operating frequencies:
First frequency range 0.076, 0.153, 0.305, 0.610, 1.22, 2.44, 4.88, 9.77, 19.5, 39.1, 78.1, 156, 313, 625, 1250, 2500 Hz
Second frequency range 0.063, 0.125, 0.250, 0.500, 1.00, 2.00, 4.00, 8.00, 16.0, 32.0, 64.0, 128, 256, 512, 1024, 2048 Hz
Third frequency range 0.083, 0.167, 0.333, 0.667, 1.33, 2.67, 5.33, 10.7, 21.3, 42.7, 85.3, 171 341, 683 Hz
Efficiency up to 80 %
Absolute accuracy of output current <0.1 % (room temperature, half of maximum load)
Output regulation <0.05 % (in power supply range – 10.5-14.5 V)
Frequency stability 5*10-6
Operating temperature range -20 ... +50 °С
Power supply 12.6 V (10.5 – min, 14.8 – max)
Weight ~ 2 kg (without battery)
Dimensions 200x173x113 mm
Safe case IP 65
All year round
worldwide
Surveys
marin, land, borehole
1D, 2D, 3D, 4D
investigations