レックス List of Products and Services

The Handy Seis PS-1NEO Model-1818 is an extremely small, palm-sized digital display type 1-channel elastic wave velocity measuring instrument. It also operates on AA batteries, making it easy to use on-site.

***Features*** - Soil field density moisture meter with built-in microcomputer (RI instrument). - Can determine compaction status on-site. - Capable of measuring any soil type. - Measures quickly in just 1 minute. - Safe due to low-level radiation source, and easy to use. - Equipped with computational functions for data analysis. - Comes with a printer for saving measurement data.

***Features*** - It has a shock resistance of 200G. - Comes with a dedicated indicator model MODEL-4413A. - Drift due to temperature changes is extremely small. - Data collection can be easily performed using a dedicated handheld terminal.

***Features*** - It is a four-point measurement type that measures the settlement amount at four locations on the loading plate. - The test jack is a 10-ton oil jack type.

This is a comprehensive catalog of rental measuring instruments featuring over 1,000 models. With a substantial total of 356 pages! There are four key points to help you find the measuring instruments you need. ■ Convenient comparison tables for model selection ■ Special features on measuring instruments by usage scenario ■ A wide range of system-compatible products ■ Calibration and repair services are also available Right now, we are offering the comprehensive catalog for free! << If you are interested, please apply through the contact form >>

This tester measures and manages the soil's moisture density, water content, water ratio, and dry density with high precision using RI. It facilitates the management of embankments in civil engineering projects such as roads, fill dams, runways, and river levees. 【Features】 ○ Model ETL-10EX is a NEXCO certified device, recognized by the Expressway Company. ○ Model ETL-10S is a general-purpose type for general civil engineering work. For more details, please contact us or download the catalog.

The in-situ horizontal load test is a common field test used to understand the horizontal strength characteristics of the ground for pile design. Until now, the in-situ horizontal load testing equipment has been operated manually, leading to variations in testing accuracy due to individual differences. However, with automation, it will be possible to obtain test results with consistent accuracy. 【Features】 - Fully automated in-situ loading test equipment that does not use high-pressure gas - Lightweight and easy to handle due to the hydraulic system For more details, please contact us.

※※This product has been discontinued※※ ※※Please contact us for information regarding similar models※※ The digital penetration soil hardness meter is a soil hardness meter that has revamped the design and functionality of traditional analog measuring devices, allowing for easy soil hardness measurement on-site. The built-in GPS display can record and save measurement data from up to 400 locations. 【Specifications】 [Digital Soil Hardness Meter Specifications] ○ Dimensions: W340×D150×H330mm (excluding protrusions) ○ Weight: Approximately 3.4kg ○ Spring: 490N/48.5mm For more details, please contact us.

**This product has been discontinued.** **For information regarding similar models, please contact us.** The digital soil hardness meter (push cone) allows for easy measurement of resistance values by simply pushing the cone vertically into a flatly cut soil profile. The built-in GPS display can record and save measurement data from up to 900 locations. **Features** - No need to refer to a conversion table to check hardness values - Measurement values are displayed in Pascals - Familiar scale values are also displayed in 0.1 mm increments - Can record and save up to 900 measurement data points - Built-in GPS antenna allows for saving measurement location (latitude and longitude) and the date and time of measurement along with the data For more details, please contact us.

The PNT3000 is a soil salinity meter that uses stainless steel metal electrodes, allowing for easy direct insertion into the soil to measure the salinity concentration. The PNT3000 displays values for salinity activity, including nitrates and potassium salts supplied to plants. It also allows for immediate assessment of the plant's nutritional status. 【Features】 - Waterproof structure and robust design - Stainless steel metal electrodes available in lengths of 25 cm and 75 cm - Displays values for salinity activity, including nitrates and potassium salts For more details, please contact us.

The soil pH meter PRN-41+EL6550-E is equipped with a data memory function that can store data for up to 100 locations. Additionally, it comes standard with RS232C output for external connectivity. 【Features】 ○ The electrode is a combination pH electrode with a glass electrode chip, reference electrode, and temperature sensor integrated into a non-refillable internal liquid type. ○ Temperature is displayed simultaneously with the measurement. ○ The glass electrode chip is replaceable, allowing for easy replacement of the screw-in chip if it deteriorates or breaks. ○ It has an electrode judgment function that displays 'Sensitivity Abnormal' when the electrode's characteristics exceed the usage limit or when the sensing membrane is damaged and the characteristics deteriorate. For more details, please contact us.

The JIS Compaction Test Device S-171 complies with JIS A1210 and is used to determine the relationship between dry density and moisture content when soil is compacted. It is utilized in the design and management of compaction for constructing roads, embankments, and subgrades, as well as for managing optimal moisture content and compaction degree. Additionally, it serves as a means to produce soil specimens for CBR tests, unconfined compression tests, and more. 【Features】 ○ Complies with JIS A1210 ○ Can also be used as a means to produce soil specimens for CBR tests, unconfined compression tests, etc. For more details, please contact us.

The KS-221 uses a load cell to measure penetration load, and the penetration load value can be read on a digital display. Therefore, there is no need for calculations based on calibration values, and measurement accuracy is sufficiently secured at ±1%. Additionally, with conventional analog load gauges, accurate measurements were difficult due to the needle's jumping and swaying on the dial gauge, but this product can be easily and accurately measured without individual reading errors, as it only requires reading the digital display. For more details, please contact us or refer to the catalog.

In the measurement of inclinometers, a dedicated casing pipe is used. Depending on the curvature of the pipe and the connection state between pipes, there can be significant impacts on measurements, such as the probe derailing or data variability. There is also a "borehole scope" without wheels. By using a borehole inclinometer camera (Q-scope), you can check the inside of the casing, allowing for highly reliable measurements. For more details, please contact us.

The casing pipe used for the in-hole inclinometer experiences twisting, and the deeper the depth, the more the twisting accumulates. To accurately measure the in-hole inclination, it is necessary to correct for the twisting of the casing pipe. An orientation sensor is attached to the tip and inserted along the grooves of the casing pipe. This device can record images of the orientation sensor at each depth. The twisting measurement device (Q-Scope method) can be used in conjunction with the twisting reading software (Q-Scope Viewer) to read the twisting at each depth. For more details, please contact us.

The casing pipe used for in-hole inclinometers experiences twisting, and the deeper the depth, the more the twisting accumulates. To accurately measure the in-hole inclination, it is necessary to correct for the twisting of the casing pipe. The automatic twisting measurement device is a system that can automatically measure the twisting of the casing pipe up to a set depth by inputting measurement depth, measurement intervals, and other parameters into a data recording device in advance. The measurement data is automatically recorded not only to a printer but also to an SD card. Additionally, it displays data in real-time during measurement. For more details, please contact us.

The color camera device is an inexpensive borehole television that allows for the observation and inspection of the interiors of boreholes, wells, and pipes. By using this device, you can visually inspect and confirm the inside of boreholes, enabling highly reliable measurements. It is compact, lightweight, and very easy to handle. For more details, please contact us.

The borehole inclinometer and borehole bending measurement device is operated via a touch panel, making it very easy to use. It is compact and lightweight, making it easy to carry. Measurement data is printed as digital values and automatically recorded on a memory card. During testing, data is displayed in real-time on a graph. In automatic measurement mode, it can automatically retract, allowing for convenient measurements. For more details, please contact us.

In the measurement of inclinometers, a dedicated casing pipe is used. Depending on the curvature of the pipe and the connection state between pipes, there can be significant impacts on measurements, such as the inclinometer probe derailing or data variability. The "Color Q Scope" is an inexpensive borehole camera that allows for easy checking of the curvature of the inclinometer casing pipe and the connection points by obtaining color data compared to conventional cameras. By using this device, you can inspect the inside of the casing, enabling reliable measurements. For more details, please contact us.

Understanding the stress and deformation characteristics of the ground is extremely important for the foundation design of large structures, high-rise buildings, or dams and bridges. The "Elastometer 2" is an in-situ horizontal loading test device that enables the measurement of these stress and deformation characteristics across a wide range of rock types, from soft rock to hard rock. The Elastometer HQ probe integrates various functions, improving accuracy and operability. Data is automatically recorded by the "Elastologger 2," and data printing on-site is also possible. Additionally, the "Elastologger 2" is compatible with the conventional Elastometer 2 probes. For more details, please contact us.

The Elastroger 2 Model 4022 is a device used for conducting in-situ horizontal loading tests, capable of performing a series of tasks from data collection of pressure and displacement to result visualization. The menu screen uses kanji, making it easy to operate, and it features a backlit color graphic LCD, ensuring clear display even in dark environments. Measurement results can be stored in the built-in memory. Additionally, it is equipped with a USB memory interface, allowing external output to a USB memory, enabling calculations of displacement and time-series displacement graph processing on a computer as well as on this device. For more details, please contact us.

The Digital Q Tilt 6000 is a high-precision digital output type borehole inclinometer probe. It is equipped with a new type of variable capacitance sensor. Data collection is performed using a handheld logger digital Q tilt, and the measurement data can be recorded (copied) as text data onto an SD memory card. The inclinometer sensor features a new type of variable capacitance sensor, and a handheld logger is used as the recorder to collect and display measurement data. For more details, please contact us.

The Plate Load Testing Machine / 4-Point 100KN S-228 uses a φ300mm loading plate loaded by a hydraulic jack, measuring the settlement with a dial gauge at four points, and is used to determine the bearing capacity (support strength) of the foundation of a structure from the load weight and settlement amount. The test jack is a 10-ton oil jack type. For more details, please contact us.

The debris flow warning system OT-1407 detects debris flows and abnormal water levels using wire sensors and alerts downstream areas through sirens to prevent disasters. The warning device is powered by solar energy, making it usable in locations without power, such as mountainous areas and riverbanks. For more details, please contact us.

The DIK-311E is a soil moisture meter that allows for easy measurement of soil volumetric water content in just a few seconds by simply inserting the theta probe (sensor) into the soil. The sensor measures by detecting changes in dielectric constant and is waterproof, allowing it to be directly buried in the ground. It can measure volumetric water content from 0 to 100% with an accuracy of 5%, and with calibration, it can achieve an accuracy of 2%. For more details, please contact us.

The color camera device is an inexpensive borehole television that allows for the observation and inspection of the interiors of boreholes, wells, and pipes. By using this device, you can visually inspect and confirm the inside of the borehole, enabling highly reliable measurements. It is compact, lightweight, and very easy to handle, using four AA batteries, so no external power supply is required. For more details, please contact us.

The Asphalt Field Permeability Testing Machine LA-206 is a product compliant with the [Pavement Performance Evaluation Method] (18.1) issued by the Japan Road Association. It allows for easy on-site permeability testing of asphalt mixtures. It is suitable for drainage pavements, permeable pavements, and other types of pavement structures that facilitate the smooth infiltration of rainwater beneath the road surface. For more details, please contact us.

The moisture sensor is a device that measures the moisture content (water content ratio) contained in a substance. It has been widely used in various fields, including agriculture, construction and civil engineering, the food industry, and environmental research. The sensor comes with a USB cable for easy connection to a PC, and it is possible to record data on the PC using application software. It is waterproof, allowing it to be directly buried in the soil. Its complete waterproofing ensures high durability of the sensor itself, making it suitable for long-term measurements. For more details, please contact us.

Rex offers the latest global technology information to all customers who require measuring instruments. We have a variety of measuring devices tailored to different scenarios such as concrete diagnostics, radiation measurement, and clean rooms, so please contact us for more details or download the catalog.

We are running a campaign for the rental of various measuring instruments, including a "standard sound level meter" that allows for long-term data recording on CF cards, an "air respirator" that can record continuously for extended periods, and a "wireless vehicle weight scale." If you are considering renting measuring equipment, please feel free to contact us by phone to discuss your purpose and intended use, and our experienced staff will respond promptly to any details.

If you need to rent measuring equipment, you can use it for the necessary period when you need it. Additionally, our company not only provides rentals but also offers comprehensive support from selecting the right model for our customers to after-sales service, so you can use our services with peace of mind. We are currently offering a free catalog! For more details, please download it or contact us.

***Features*** - This method was devised at the Ministry of Construction's Civil Engineering Research Institute. It measures the relationship between the number of impacts of a weight and the amount of penetration, allowing for the determination of the relative bearing capacity strength of road subgrades and the bearing capacity values, similar to the purposes of CBR tests and plate load tests (N value (Nd value) is obtained). - Continuous data from the surface to the required depth can be obtained, eliminating concerns about underestimating the influence of the lower layers of the subgrade. - It is also used for inspection of restoration work after the completion of road gas and telephone line construction.

***Features*** - The "Portable Dynamic Cone Penetration Tester" is designed to easily determine the penetration resistance of soil at the source location by freely dropping a 5kg hammer from a height of 50cm. - By connecting the parts where the penetration resistance changes from the test results, a cross-sectional diagram of the soil layer composition can be created.

"Elefoot" is a ground bearing capacity testing device that measures the support strength of surface soil using a simple method. By utilizing a person's body weight as a reaction force, there is no need for large equipment such as heavy machinery or power supplies. In addition to a short measurement time, it can be operated by a single person and is capable of measuring in confined spaces. 【Features】 - Extremely short measurement time, can be operated by one person - Capable of measuring ground bearing capacity in confined spaces - Lightweight for easy portability - Ideal for soil conditions with low viscosity, such as clay to sandy soils - Capable of measuring bearing capacities from 0 to 4375 kN/m² *For more details, please refer to the catalog or feel free to contact us.

The Integrity Testing Device PIT-X can easily measure the tip position, cracks, and cross-sectional changes of various piles. It is a device that diagnoses the properties of piles, such as pile length, changes in pile cross-section, and cracks, by utilizing the phenomenon where elastic waves generated by striking the pile are reflected at boundaries with different impedances. 【Features】 ○ Latest compact model consisting of wireless sensors and a pocket PC ○ Compliant with the American technical standard ASTM D5882 Please contact us for more details.

The PS-1 Model-1814 is an extremely small, palm-sized digital display type 1-channel elastic wave velocity measuring device. It operates on AA batteries, making it easy to use in the field. It measures the velocity of elastic waves propagating from the surface struck by a hammer. 【Features】 ○ Despite being a super compact device, it has excellent performance due to the adoption of LSI (large-scale integrated circuits). ○ After pressing the reset button, adjusting the gain, and striking the excitation point with a hammer, the arrival time of the elastic wave to the receiving point is displayed. ○ It uses a digital display method, making it easy to read and allowing anyone to measure easily. ○ The entire measuring device set fits into a carrying case, making it convenient to transport. For more details, please contact us or download the catalog.

The soil pH meter OT-2101, featuring a cone-shaped sensor, allows for direct insertion into the soil for measurement. It can measure pH values from 0 to 14, making it suitable for applications such as soil improvement and crop cultivation. 【Features】 ○ Compact and lightweight, handheld pH meter. ○ The cone-shaped sensor allows for direct insertion into the soil for measurement. For more details, please contact us or download the catalog.

***Features*** - It is made based on the JIS draft of the Soil Mechanics Society and can be applied to all soil layers excluding gravel as an auxiliary method for the standard penetration test. The test results come with a data sheet, and the condition of the soil can be clearly displayed through test tables and illustrations. - There is an increasing tendency for its use in soil investigation for current site conditions. - An auxiliary method for the standard penetration test for soil layers other than gravel. - Determines the hardness or softness of the soil. - Assesses the degree of compaction. - Evaluates the composition of the soil.

It is the easiest to operate portable static cone penetration tester, which measures the penetration resistance required to push the tip cone statically into the ground by hand using a proving ring, allowing for the estimation of the relative strength, cohesion, unconfined compressive strength, and allowable bearing capacity of cohesive soils. It is most suitable for weak ground primarily composed of soft clay, silt, or peat, and is useful for measuring the approximate cohesion of cohesive soils and depth in relation to wind speed, as well as for gaining an overview of the ground profile.

***Features*** The correlation diagram between the needle penetration gradient of the grip section [NP] (N/mm) and the uniaxial compressive strength (kN/m²) allows for immediate determination of the uniaxial compressive strength.

***Features*** - Easily measures soil hardness by simply inserting it into the ground.

***Features*** - This device replaces the unit volume of soil on-site with dry sand, allowing for indirect measurement of soil volume. It is applicable for cohesive soil, non-cohesive soil, or gravelly soil. - It complies with JIS A 1214 standards.

**Discontinued.** ***Features*** - It is an essential tool used for measuring the moisture content of aggregates during drying until a quantitative amount is reached in aggregate sieving tests, as well as for measuring water absorption, and can be used for various other tests. - With a sophisticated Acme-type automatic temperature controller, it can be used for extended periods at a constant temperature of 160°C or 200°C, above room temperature.

***Features*** - The point load test allows for easy estimation of the uniaxial compressive strength of unshaped rocks using them as they are. - It is compact and lightweight, enhancing portability and making on-site testing easier. - The dial gauge pressure gauge allows for easy reading of the pressure at the time of specimen failure. - Point load (MPa) = Gauge reading (MPa) × 6.4 cm² (piston cross-sectional area) - The Bourdon tube pressure gauge comes with two ranges, 5 MPa and 70 MPa, enabling high-resolution readings for both low and high loads. - The dimensions of the specimen can be easily measured using the built-in scale during specimen setup.

***Features*** - This is a Schmidt hammer for rock mass. It is used to estimate the strength, deformation modulus, static elastic modulus, and dry uniaxial compressive strength of rock masses. - Estimation of the deformation modulus of rock masses. - Estimation of the static elastic modulus of rock masses. - Estimation of dry uniaxial compressive strength. - Since there is a consistent relationship between the dry uniaxial compressive strength and the static elastic modulus in rock test specimens, regardless of whether they are hard or soft rocks, it is also possible to estimate the uniaxial compressive strength by correlating the "static elastic modulus" with "dry uniaxial compressive strength and static elastic modulus."