Investigasi Sumber Mata Air dengan Metode Geolistrik GeoResist

metode geolistrik membantu menginvestigasi adanya sumber mata air, air permukaan ataupun akuifer yang ketiganya mempunyai ciri khas baik dalam karakter strukturnya atau lokasi keberadaanya.

Alat yang digunakan menggunakan alat single channel dengan dibuatkan switchbox sehingga bisa dilakukan pengukuran 2-D. Injeksi arus listriknya dilakukan secara manual tetapi akurasinya tidak jauh berbeda jika alatnya rutin di kalibrasi dengan alat-alat yang lebih bagus sensitifitasnya. Sebelum dilakukan pengukuran dilakukan terlebih dahulu survey tinjau untuk melihat struktur, pola sedimentasi dan topografinya sehingga kita bisa mengklasifikasi model air apa yang terkandung di bawah permukaan.

Kontak Kami:

CP: Roni

Phone: 082114266358

Email: roni12404027@gmail.com

PENYEWAAN ALAT DAN SPESIFIKASI ALAT MAGNETOMETER GSM-19T DARI GEM SYSTEM

Spesifikasi Alat:

Performance

Sensitivity: 0.15 nT @ 1 reading per sec.

0.05 nT @ 1 reading every 4 sec.

Resolution: 0.01 nT

Absolute Accuracy: 0.1 nT @ 1 Hz

Dynamic Range: 20,000 to 120,000 nT

Gradient Tolerance: over 7000 nT/m

Samples at: 60+, 5, 4, 3, 2, 1, 0.5 sec

Operating Temperature: -40°C to +50°C

Operating Modes

Manual: coordinates, time, date and reading stored automatically (GSM-19T: 3s, 19TW: 0.5s, 19TGW: 0.5s)

Base Station: time, date and reading stored at 3(or 0.5) to 60 second intervals

Remote Control: optional remote control using RS-232 interface Input/Output: RS-232 using 6-pin weatherproof connector with USB adapter.

Memory – (# of Readings in millions)

Mobile: 1.4M, Base Station: 5.3M Gradiometer: 1.2M, Walking Mag: 2.6M

Dimensions & Weights

Console: 223 x 69 x 240 mm (8x3x9.5 in) Console:2.1 kg (4.6 lbs) Sensor and Staff Assembly:2.2 kg (4.8 lbs)

Standard Components

GSM-19T console, GEMLink+ software, battery, harness, charger, sensor with cable, RS-232 cable and USB adapter, staff, instruction manual and shipping case.

Kontak kami:

CP: Roni

HP: 082114266358

Email: roni12404027@gmail.com

DI SEWAKAN DAN SPESIFIKASI SUPERSTING RESISTIVITY-IP METER R8 YANG DI SEWAKAN

Product Details

ItemDescription
Measurement ModesApparent resistivity, resistance, induced polarization (IP), SP, and battery voltage.
Measurement Range+/- 10Vp-p.
Measuring ResolutionMax 30 nV—depends on voltage level.
Screen Resolution4 digits in engineering notation.
Transmitter200W internal transmitter. 5kW, 10kW and 15kW external transmitters also available (see separate brochure).
Output Current1 – 2000 mA continuous, measured to high accuracy.
Output Voltage800 Vp-p—actual electrode voltage depends on transmitted current and ground resistivity.
Input ChannelsFive models available—8-, 6-, 4-, 2-, or 1-channel.
Input Gain RangingAutomatic—always uses full dynamic range of receiver.
Input Impedance>150 MOhm.
SP CompensationAutomatic cancellation of SP voltages during resistivity measurement. Constant and linearly varying SP cancels completely (V/I and IP measurements).
Type Of IP MeasurementTime domain chargeability (M). Six time slots measured and stored in memory.
IP Current TransmissionON+, OFF, ON-, OFF.
IP Cycle Times0.5, 1, 2, 4, and 8 s.
Measure CyclesRunning average of measurement displayed after each cycle. Automatic cycle stops when reading errors fall below user set limit or user set max cycles are done.
Resistivity Cycle TimesBasic measure time is 0.2, 0.4, 0.8, 1.2, 3.6, 7.2, or 14.4 s as selected by user via keyboard. Autoranging and commutation adds about 1.4 s.
Signal ProcessingContinuous averaging after each complete cycle. Noise errors calculated and displayed as percentage of reading. Reading displayed as resistance (dV/I) and apparent resistivity (ohmm or ohmft). Resistivity is calculated using user-entered electrode distances.
Noise SuppressionBetter than 100 dB at f >20 Hz.Better than 120 dB at power line frequencies (16 2/3, 20, 50, and 60 Hz) for measurement cycles of 1.2 s and above.
Total AccuracyBetter than 1% of reading in most cases (lab measurements). Field measurement accuracy depends on ground noise and resistivity.Instrument will calculate and display running estimate of measuring accuracy.
System CalibrationCalibration is done digitally by the microprocessor based on correction values stored in memory.
Supported ConfigurationsIn manual mode: Resistance, Schlumberger, Wenner, dipole-dipole, pole-dipole, and pole-pole.In automatic mode: Any configuration can be programmed via command file.
Operating SystemStored in reprogrammable flash memory. Updated versions can be downloaded from our website and stored in the flash memory.
Data StorageFull resolution reading average and error are stored along with user-entered coordinates and time of day for each measurement. Storage is effected automatically in a job-oriented file system.
Data DisplayApparent resistivity (ohmmeter), current intensity (mA), and measured voltage (mV) are displayed and stored in memory for each measurement.Data can also be displayed on an Android device in real time as bright color pseudosections, IP curves, transmitter/receiver plot, contact resistance measurements, and more.
Memory CapacityVirtually unlimited data storage in real time on controlling Android device.The internal SuperSting memory can store more than 79,000 measurements (resistivity mode) and more than 26,000 measurements in combined resistivity/IP mode.
Data TransmissionData can be instantaneously transferred from the Android device by email or by file transfer from the Android device USB port. RS-232C channel available to dump data from instrument to a Windows-type computer on user command.
Automatic Multi-ElectrodesThe SuperSting is designed to run dipole-dipole, pole-dipole, pole-pole, gradient, Wenner, and Schlumberger surveys including roll-along surveys completely automatic with the patented Dual Mode Automatic Multi-Electrode system (U.S. Patent 6,404,203) or a passive electrode cable system. The SuperSting can run any other array by using user-programmed command files. These are ASCII files that can be created using a regular text editor. The command files are uploaded to the SuperSting RAM memory and can at any time be recalled and run as a survey.
User Controls20-key-tactile, weatherproof keyboard with numeric entry keys and function keys.On/Off switch.Measure button integrated within main keyboard.LCD night-light switch (push to illuminate).Keyboard and LCD are mirrored to an Android™ device using Wi-Fi® technology for easy remote control of the SuperSting.
DisplayGraphics LCD display (16 lines x 30 characters) with night-light.Android mobile phone screen (7”) or 10” Android tablet with bright color AMOLED display.
Power Supply, Field12V or 2x12V DC external power—connector on front panel.Optional AC/DC power supply and motor generator.
Power Supply, OfficeDC power supply.
Operating TimeDepends on survey conditions and size of battery used. Internal circuitry in auto-mode adjusts current to save energy.
Operating Temperature-20 to +50°C when controlled by your Android device (phone or tablet). The instrument LCD screen fades out at -5ºC, but the instrument continues to function normally by your Android phone, kept warm in your pocket
Weight10.9 kg (24 lbs.).
DimensionsWidth: 184 mm (7.25″).Length: 406 mm (16″).Height: 273 mm (10.75″).

Kontak kami:

CP: Roni

HP: 082114266358

Email: roni12404027@gmail.com

Menyewakan dan Spesifikasi Alat GPR IDS 600MHz

IDS-GPR ANTENNA 600 MHz Vertical Survey (TR600V)

Product Details

RADAR CONTROL UNIT

IDS menyediakan peralatan yang terkonfigurasi terhadap permintaan dari pengguna. Jenis radar RIS-K2 Radar Control Unit (DAD – 1CH, DAD – 2CH/MCH or DAD – 4CH/MCH) merupakan suatu terobosan baru dari produk yang ditawarkan dengan perkembangan teknologi radar yang semakin maju. Control Unit ini dapat disambungkan ke antenna IDS berbagai model untuk melihat situasi dangkal hingga dalam di bawah permukaan tanah dengan dilengkapi reolusi tinggi hingga rendah. Pengumpulan data dapat ditunjukkan secara cepat menggunakan software tertentu untuk lebih mencakup peforma yang maksimum. Karakter sistem utamanya adalah mudah dalam penggunaan, dapat di-upgradecompatible dengan GPS, ukuran kompak, ringan, dan remote assistance.

System

Compatible with all IDS TR Single Antenna

Pulse Repetition Frequency        : 400 KHz

Scan Rate                                            : Up to 850 Scans/Sec

Range                                                   : Up to 9999 nsec.

Number of samples per scan      : 128-8192

Sample size                                        : 16 bit

Resolution                                          : better than 5psec

Stacking                                              : up to 32768 scans, automatic or user selectable

Ports                                                     : ANTENNA 1, WHEEL, LAN, BATTERY

Maximum number of connectable antennas : 1

Maximum number channel         : 1 channel

Data collection                                  : Survey wheel driven or continuous motion profiling

CE compliant

DAD Mechanical and Operational

Dimension          : 17 cm x 22 cm x 5.5 cm

Weight                 : 1.2 Kg

Power Supply    : 12V ± 10%

Water and dust proof (IP 65)

Maximum power consumption (data collection) : 8 W

RADAR ANTENNA

Antenna

Type                      : Shielded Dipole

Frequency          : 600 MHz

Supplied with anchor plate for Antenna drag kit

Relative Humidity     

<90% (non condensing)

Rain Proof (IP 65 in request)

Dimension

20 cm x 26 xm x 20 xm

Weight                 : 3 Kg

RADAR ACCESSORIES

Survey Wheel Kit (WHE50)

Wheel with 17 cm of diameter

Mechanical support for antenna side

Connection cable

Dimension          : 11 cm x 6 cm x 3 cm

Weight                 : 0.9 Kg

Relative humidity : <90% (non-condesing)

Rain Proof IP 65

HIP Chain Encoder (HCE)

For unshielded antennas

Metric walktax distance measurer m/dm

Feet walktax distance measurer feet/inch

Real cotton thread reels, 10-pack

Dimension          : 15 cm x 8 cm x 9 cm

Weight                 : 0.5 Kg

Relative humidity : <90% (non-condensing)

Shipping Box (SHI-BOX)

It contains No.1 DAD, No.1 Antenna, various accessories

Dimensions        : 80 cm x 50 cm x 30 cm

Weight                 : 80 cm x 50 cm x 30 cm

IP 65

Back Pack Kit for Acquisition (BP)

Kit for DAD control unit

Dimension          : 60 cm x 35 cm x 30 cm

Weight                 : 0.35 Kg

Metallic support for laptop

Safety belt

Pengukuran Microgravity menggunakan Scintrex CG-5

Metode microgravity merupakan metode yang pada dasarnya survey gravity tetapi pelaksanaanya sedikit berbeda seperti spasi antar titik yang relatif rapat, target yang dicari lebih kecil dimensinya dan juga area yang disurvey relatif lebih kecil.

Survey microgravity banyak digunakan dalam pekerjaan kontruksi dan bidang sipil yang bertujuan untuk mengidentifikasi adanya objek-objek bawah permukaan dengan pendekatan nilai densitasnya.

Alat yang digunakan merupakan merk Scintrex dengan spesifikasi yang relatif berbeda dengan alat lain seperti Lacoste Rosberg karena di alat Scintrex sudah terkalibrasi koreksi pasang surut dan drift nya sehingga dalam pengolahan datanya relatif lebih mudah.

Kontak Kami:

CP: Roni

Phone: 082114266358

Email: roni12404027@gmail.com

ESTIMASI SEBARAN DENSITAS DATA MICROGRAVITY UNTUK BIDANG SIPIL DAN KONTRUKSI

Di bidang sipil dan kontruksi erat kaitanya dengan kekerasan dan kekuatan lapisan bawah permukaan atau sedimen dan parameter yang sering dibutuhkan adalah densitas yang berhubungan dengan kekerasan batuan. Untuk mendapatkan nilai densitas ini bisa dilakukan uji lab dari data sampel bor atau pengukuran geofisika seperti survey gaya berat atau metode gravity. Kebutuhan di area kontruksi biasanya tidaklah luas sehingga dibutuhkan cakupan kedalaman yang relatif dangkal dan spasi antar titiknya rapat. Dalam eksplorasi pertambangan dan perminyakan spasi antar titik biasanya lebih dari 500m sedangkan untuk bidang sipil dan kontruksi sekitar 25m atau kurang.

Pemodelan densitas ini didapatkan dari proses inversi yang didapatkan dari anomaly bouguer. Hasil pemodelan densitas ini akan di korelasikan dan digunakan untuk penentuan kerangka model kontruksi seperti pemancangan, pondasi dan lainya.

Kontak Kami:

Phone: +62-82114266358

Email: roni12404027@gmail.com

INVESTIGASI BAWAH PERMUKAAN DENGAN METODE MICRO-GRAVITY

Dalam dunia eksplorasi gravity banyak digunakan oleh departemen pemerintah atau dan sebagian swasta untuk eksplorasi minyak dan gas bumi. Tujuan utama dari survey gravity yaitu untuk mengetahui topografi atau konfigurasi formasi dan basement, dan lebih lanjut lagi untuk mencari lokasi source rock dan lainya, tetapi didunia kontruksi atau sipil gravity dikembangkan untuk menentukan objek yang lebih kecil dan spasi tiap titik pengukuranya pun semakin rapat yang biasanya sekitar 500m sampai 1000m bahkan lebih tetapi untuk metode microgravity spasinya sekitar 5m, 10m dan lainya yang disesuaikan dengan dimensi target yang di tuju.

Kontak Kami:

Phone: +62-082114266358

Email:roni12404027@gmail.com