Geological and hydrogeological equipment of the Italian company PASI is in demand among professionals. In today's article, we will talk about the main product lines of the developer: the devices included in them and their purpose. Click the contact form button below if the information seems insufficient to you and you want to request additional clarifications.

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Classification of PASI devices by application areas

Originated in the 40s of the XX century in India, PASI initially specialized exclusively in geophysical research. In the 50s, she moved to Italy, and in the XXI century she entered the world market, starting cooperation with the Swiss company Proceq, which is one of the world leaders in the field of non-destructive testing of building materials. Currently, accurate and reliable PASI instruments are well known and widely in demand in many countries.

The main lines of scientific and technical developments of PASI include the following areas:

1. Seismic: solving problems of underground control. This includes devices for seismic exploration that track the propagation of seismic waves in the earth in order to obtain its geotechnical parameters in a non-destructive way.
2. Geophysical: high-tech tools for geological and hydrogeological research. PASI instruments for geoelectric exploration measure the electrical resistivity of the soil in order to study fresh water or detect substances polluting aquifers.
3. Water surveys: proper monitoring of the state of aquifers. As part of this direction, PASI produces a complete set of tools for measuring the level, electrical conductivity and temperature of water, the water/ oil interface.
4. NDT (Nondestructive testing): to track construction and environmental indicators. Non-destructive testing of reinforced concrete and stone structures is the main method of checking the actual condition of existing and under construction buildings. Also, devices of this type are suitable for use with certain natural objects.

The directions of innovation development determine the range of products. The PASI product catalog is also organized accordingly. It includes instruments of the following specializations:

• geoelectric;
• for well exploration;
• for non-destructive testing;
• seismic.

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Seismographic solutions from PASI

The seismic direction of the PASI catalog is represented by two devices:

1. GEO24 compact seismograph with data acquisition card and USB interface for external PC. Designed for research of refraction and bedrock, downhole and downhole measurements, seismic tomography, MASW (multichannel analysis of surface waves) and HVSR (horizontal to vertical spectral ratio analysis). A reliable and cost-effective solution for professional needs.
2. A miniature GEMINI-2 sensor with a data acquisition card and a USB port for connecting to an external PC. A convenient solution for VER, MAS, VS30 criterion calculation and vibration analysis.

We inform you about prices and delivery options on request.

PASI tools for well survey

PASI equipment for well research covers not one, but three areas of operation at once (hydrological, hydrogeological and hydrochemical), since all devices of this type can be divided into the following types:

• level gauges;
• borehole chambers;
• water quality control probes.

Let's consider all these types of products in order.

The level meters include a number of models under the general name "WATER LEVEL INDICATORS", as well as OIL WATER INTERFACE METER.

WATER LEVEL INDICATORS are available in the BFK, BFK-FF, BFM, BFM-FF, WMS-02 and WMS-LTC models. All of them, as their common name implies, measure the water level in wells and reservoirs, however, some products have additional functions.

• BFK-FF determines the distance to the bottom of the well.
• BFM-FF reveals the depth of the well.
• WMS-02 monitors water temperature.
• WMS-LTC measures temperature and electrical conductivity parameters.

PASI level transmitters models BFK and BFK-FF are equipped with a round cable from 30 to 500 m long with centimeter markings. The BFM and BFM-FF indicators have a flat cable with graduations in millimeters and a length range of 30-300 meters. The WMS-02 and WMS-LTC instruments, in addition to the round centimeter cable, are equipped with a display showing temperature or temperature and conductivity measurements. The cable length for WMS-02 is from 30 to 500 meters, and for WMS-LTC - from the same 30 to 300 meters.

Most PASI level meters are equipped with visual and audio notification of the measurement goal achievement.

PASI borehole chambers in the manufacturer 's catalog are represented by two models:

1. Borehole camera WELLCAMERA1N. The complete device consists of a cable reel and camera head, and a data control box with built-in LCD display, USB 2.0 capture card and microphone, which are needed to view, save and annotate photos or videos on a customer's laptop. Available cable lengths: 100, 200, 300, 400, 500 m.
2. Borehole camera for well inspection WELLCAMERA2 with encoder. An improved model that adds one new extra to WELLCAMERA1N functions. The advanced camera's electronic encoder allows you to display and record depth video. The possible cable lengths are the same as for the previous model.

PASI hydrochemical (that is, water quality control) instruments include the following devices:

1. The Multiline IDS series, which includes durable, reliable multiparameter portable instrumentation, perfectly suitable for use in the field. Products of this product line can have several simultaneous measuring channels, self-calibration capabilities, sensor diagnostics and data storage. They are delivered in strong practical cases. These instruments are designed to measure conductivity, salinity, TDS, pH, ORP, dissolved oxygen and turbidity.
2. Portable photometer PHOTO FLEX, designed for photometric studies in the field. Ideal companions for all measurements directly at the research sites. Thanks to practical test kits, they allow quick measurements of many water quality parameters. The possibilities of their application range from the control of sewage treatment plants to the analysis of drinking water in wells and reservoirs, as well as monitoring the state of surface waters.
3. Portable turbidimeter TURB 430 IR. Designed to measure turbidity in the field. The principle of operation of the device is based on the nephelometric method of measuring turbidity up to 1100 NTU.
4. MP47 multiparameter sensor designed for monitoring water parameters in wells, lakes and rivers, as well as checking discharge downstream. Measures the following parameters: electrical conductivity, pressure, temperature, turbidity, pH, ORP, optical DO. Individual combinations of parameters are available. The cable can be from 10 to 150 m long . Maximum measurement parameters: 4. The outer diameter of the probe: 47 mm.
5. The MQ65 multiparameter sensor, which is an excellent solution for long-term monitoring of the most important water quality parameters on site. The measured values and cable lengths of this device are the same as those of the MP47. The differences between them are in the maximum measurement parameters (here – 6) and the outer diameter of the probe (here – 65 mm).

In addition, the tools for well inspection can also include the BIT well tilt tester, which will be described in more detail in the paragraph of the article devoted to non-destructive testing.

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Special geoelectric devices PASI

For earth resistivity measurements, PASI offers two original instruments.

1. Compact universal earth resistivity meter RM1. The presence of a console keyboard provides easy and quick access to all basic functions, even in harsh environmental conditions. The device can be operated remotely, when connected to an external PC, allowing the user to create VES (vertical electrical sounding) tables and individual measurement sessions. Optionally supports the electrical resistivity tomography (ERT) function. The device is designed for the study of aquifers in sedimentary terrain, identification of buried objects and karst cavities, monitoring of pollutants, salt ingress, as well as archaeological and hydrological tasks.
2. Electric imaging system POLARES, using innovative technology for tomography, which provides simultaneous measurement and display of all survey parameters: soil resistivity, current, voltage, self-potential, induced polarization and measurement quality. Compact, simple and intuitive instrument. This product is well suited for identifying caste caves and burial sites, monitoring the dispersion of pollutants, detecting salt outcrops, and achieving archaeological and hydrological purposes.

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Non-destructive testing by means of PASI

Non-destructive testing equipment in the PASI catalog is represented by a number of interesting products. Basically, these are products of the aforementioned Swiss company Proceq.

1. Sixteen models of Proceq N, L and M type jackhammers. These products are suitable for research with a jackhammer of various rocks (including stone).
2. Profoscopes from Proceq, the first built-in coating meters designed to provide the easiest and fastest way to locate rebar. The Profoscope and Profoscope+ models can be used as rebar locators, concrete pavement surveys and rebar mapping.
3. Profometers equipped with artificial intelligence, thanks to which the measurement of concrete pavements achieves a level of accuracy that exceeds industry standards. The line includes the Profometer 600, Profometer 630AI and Profometer 650AI models.
4. GPR Proceq Live GP8000, designed for GPR radar survey of structures. This instrument is the most revolutionary portable tool for concrete testing. It uses innovative ultra-wideband technology for maximum resolution and inspection depth.
5. Proceq GP8800 georadar, characterized by maximum performance in a small size. It has a large frequency range - from 400 to 6000 MHz. Based on advanced SFCW (stepped frequency continuous wave) technology.
6. Pundit ultrasonic instruments for measuring the speed of propagation of ultrasound in a material and obtaining information about its density and elastic properties. The product line includes three models: Pundit Lab, Pundit Lab +, Pundit PL-200. These devices are suitable for working with various materials.
7. Pundit pulse-echo tomography instruments developed by Proceq for ultrasonic tomography. The product series includes Pundit PL200PE, Pundit 250 ARRAY, Pundit LIVE ARRAY PRO models. These products are especially recommended for finding voids and delaminations, as well as measuring the thickness of concrete beyond the reinforcement layer.
8. Profometer Corrosion, designed to test concrete self-potential and electrical resistivity. The device measures the difference in electrical potential between the reinforcement and the concrete surface to identify areas with the greatest risk of corrosion.
9. Resipod using the Wenner 4-point method to measure the electrical resistivity of concrete or stone. This tool is extremely accurate and fast, durable and waterproof. It is convenient to use and suitable for difficult operating conditions.
10. Proceq DY-2 devices designed for separation adhesion tests (testing the adhesive strength between two different materials or successive layers). The separation test consists in applying a constant load, which can be difficult for the operator to carry out manually.
11. Pile echo tester PET for echo control of piles. The developer guarantees maximum performance with extreme ease of use. The tool has user-friendly software and the ability to connect the USB version to a tablet PC or laptop.
12. Cross hole ultrasonic monitor CHUM for crosshole testing on piles. The instrument uses the CSL (crosshole sonic logging) method to perform high resolution 2D/3D quality control on deep foundations in reinforced concrete.
13. Well inclination tester BIT capable of measuring the verticality of boreholes or manholes of foundation piles immediately and without the use of inclinometer tubes. Inexpensive device. Fast to use. Works with any diameter.
14. Extractometers (DYNATEST) for pull off testing for dowels and eyebolts. These special instruments measure the anchor force of bolts and dowels. They are available in two versions: with digital or analog pressure gauge.
15. System MSG II designed for on-site vibration monitoring. The device allows you to control ground vibrations and excessive air pressure. It is used in blasting operations, pile driving operations, construction machinery activities, environmental activity and in other situations where permanent data recording according to the ISEE standard is required.

If you are interested in any of the listed non-destructive testing equipment or other devices from the PASI catalog, contact our consultants for more information about these wares.

How to buy PASI equipment at the right price

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