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  3. 大起理化工業
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大起理化工業

EstablishmentMay 23, 1958
capital2000Ten thousand
number of employees18
addressSaitama/Konosu-shi/Akagi-dai 212-8
phone048-568-2500
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last updated:Jan 24, 2019
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  • Products/Services(14)
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大起理化工業 List of Products and Services

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CPT test can be conducted and imaging in the ground is possible.

Tip resistance, lateral friction value, pore water pressure value, and inclination value can be measured! Data can be stored in a dedicated logger.

The product can conduct CPT tests at a speed of 0.5 cm per second while capturing images underground, allowing for real-time viewing of clear underground images thanks to a high-brightness LED light. Data can be stored in a dedicated logger, and there are two rod lengths available: 30m and 50m. Additionally, we offer the "Compact CPT Rig," which has a penetration capacity of up to 100 kN and can take reaction force with four ground anchors. 【Features】 ■ Capable of measuring tip resistance, side friction, pore water pressure, and inclination values ■ Can capture images underground while conducting CPT tests at a speed of 0.5 cm per second ■ Allows for real-time viewing of clear underground images ■ Data can be stored in a dedicated logger ■ Two rod lengths available: 30m and 50m *For more details, please refer to the PDF document or feel free to contact us.

  • Measurement and Analysis Equipment
  • Security cameras and surveillance systems

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Portable FTIR Gas Analysis Device 'DIK-GT5000'

Successful miniaturization and weight reduction have improved portability! This is an IoT-compatible gas analysis device.

The "DIK-GT5000" is an analytical device capable of analyzing up to 50 gas components simultaneously. It is even smaller and lighter than the previous model, weighing approximately 9.4 kg, and is equipped with drip-proof and vibration-resistant features, making it suitable for outdoor use. Measurements are taken with a rapid response time of just 2 minutes, and calibration is simplified to a single zero calibration once a day. We recommend sensitivity calibration once a year, and daily sensitivity calibration is not necessary. 【Features】 ■ Drip-proof IP54 standard ■ Low running costs ■ Network connectivity allows for measurements without going to the site ■ Intuitive operation with new software compatible with tablet PCs *For more details, please refer to the PDF document or feel free to contact us.

  • Measurement and Analysis Equipment

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Daiki Chemical Industry Co., Ltd. Company Profile

We will actively challenge ourselves to develop our own new technologies and products, as well as to introduce excellent technologies and products from around the world.

Daiki Rika Kogyo Co., Ltd. is a manufacturer of soil moisture meters, soil physical property measurement instruments, soil hardness testers, bulk density measurement devices, groundwater measurement, and groundwater sampling equipment. Since its establishment in March 1941 as "Shoko Rika Seisakusho," our company has continuously developed and commercialized new instruments in collaboration with researchers who seek innovative solutions. The sincere cooperative relationship with these researchers has formed the foundation of our company's growth, allowing us to establish a solid position as a manufacturer of soil physical property measurement devices in Japan through our focus on "soil." To protect the rapidly changing global environment, we believe it is our responsibility to practice and realize our corporate philosophy of "protecting soil and water." We will continue to actively challenge ourselves in the development of new technologies and products, as well as in the introduction of excellent technologies and products from around the world. 【Product Line】 ■ Three-phase distribution measuring instruments ■ Particle size analyzers ■ Soil and moisture measuring instruments ■ Soil air, oxygen, temperature, and mechanical properties ■ Environmental testing equipment ■ Plant physiology measuring instruments ■ Environmental survey equipment *For more details, please refer to the PDF materials or feel free to contact us.

  • Boring Company
  • Soil Research Institute
  • Water quality/pH measuring device

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Sonic Drill: A boring machine capable of excavation in soft and hard ground.

A new drilling machine using high vibration wave excavation technology! It can handle soft ground and hard ground, as well as vertical and inclined drilling (up to 45°). Technical materials are also available!

The Sonic Samp Drill (SSD) unique drilling method that we handle is the latest boring machine utilizing high-frequency vibration drilling technology. We offer a rich lineup of drilling machines that are environmentally friendly and capable of handling soft and hard ground, as well as vertical and inclined drilling (up to 45°). Additionally, we provide customization to meet our customers' needs and a wide range of optional parts tailored to specific applications. We also offer technical materials showcasing "examples of capabilities" compared to other boring machines! [Contents (excerpt)] ■ Introduction ■ Unique drilling method of SSD ■ Added value of SSD products ■ Features of SSD products ■ Lineup of SSD products, etc. *For more details, please refer to the PDF materials or feel free to contact us. *Rental options are also available!

  • Civil Engineering Company
  • Boring Company
  • Geological Survey Company

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Meter "pF meter"

It is used as a guideline for irrigation of field crops and for soil moisture management in facility cultivation!

The "pF Meter" is a device that measures the force required for plants to absorb moisture from the soil using the tensiometer method, and directly displays the pF value. This product allows you to understand the soil moisture condition from the position of the indicator needle, serving as a reference for determining the timing and amount of irrigation. We offer models for 20cm (DIK-8333) and 40cm (DIK-8334), as well as a pot model (DIK-8343) for soil in pots and planters, so please choose according to your needs. 【Features】 ■ Used as a guideline for irrigation of field crops ■ Utilized for soil moisture management in facility cultivation *For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Company
  • Geological Survey Company
  • Soil Research Institute

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Water Level Gauge "Diver"

Groundwater level measurement with Diver!

"Diver" is the ideal water level meter for measuring groundwater levels in wells and similar applications. We offer a range of products including Mini Diver, Micro Diver, Sera Diver, and CTD Diver, allowing you to choose based on your specific needs and specifications. If you are in coastal areas or situations where salinity may be a factor, please use the Sera Diver or CTD Diver. If you have any other questions, please feel free to contact us. 【Features】 ■ Ideal for groundwater level measurement ■ Extensive lineup *For more details, please refer to the catalog or feel free to contact us.

  • Hydrological survey
  • Water quality/pH measuring device
  • Analysis and prediction system

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Crushing and Screening Equipment 'DIK-2610'

Designed with a new concept, it reduces working hours and accommodates large sample processing!

The "DIK-2610" is a dust-free automatic crushing and sieving device that is optimal for the crushing and sieving of multiple soil samples, such as those for environmental pollution soil analysis. This device can perform the crushing and sieving processes simultaneously, improving work efficiency and reducing work time. All processes are carried out without generating any dust, eliminating the need for cleaning and making dust collection devices unnecessary. Additionally, there is no concern about health hazards from inhaling dust. Due to its compact size, it can be installed within laboratory settings. 【Features】 ■ Reduction of work time ■ Capable of handling large volumes of samples ■ Compact ■ Improved work efficiency ■ Eliminates the need for cleaning *For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Company
  • Geological Survey Company
  • Soil Research Institute

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Pressure Regulator "DIK-9222"

Accurate pressure settings can be achieved without being affected by atmospheric pressure fluctuations!

The DIK-9222 is an automatic pressure regulator that can be widely used for setting pressures in various soil pF meters, unsaturated permeability meters, and more. This device allows for pressure settings from 0 to 157 kPa. Unlike manual regulator systems, it enables accurate and stable pressure settings without being affected by atmospheric pressure fluctuations. Additionally, we also offer a dedicated pressure reduction model, the DIK-9232, so please feel free to contact us. 【Features】 - Not affected by atmospheric pressure fluctuations - Accurate - Widely used for pressure settings *For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Company
  • Geological Survey Company
  • Soil Research Institute

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Soil hardness meter "DIK-5532"

Just display the guideline line for penetration speed! Anyone can measure at a constant speed!

The DIK-5532 is a digital penetration soil hardness meter capable of measuring soil hardness from 1cm to 90cm (in 1cm increments). Measurement data is obtained using a dedicated data display unit (featuring a touch panel). Bluetooth communication eliminates the need for cumbersome cable wiring. Additionally, with the optional mobile printer, it is possible to print graphs and measurement data on-site. 【Features】 ■ Measures soil hardness from 1cm to 90cm (in 1cm increments) ■ No cable wiring required ■ Capable of printing measurement data ■ Measurements can be taken at a constant speed ■ Easy to operate *For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Company
  • Geological Survey Company
  • Soil Research Institute

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Tensiometer "DIK-3210"

A tensiometer that eliminates the hassle of cable wiring!

The DIK-3210 is an integrated tension meter with a built-in data logger and battery. This product eliminates the need for cumbersome cable wiring thanks to Bluetooth communication. Measurement condition settings and measurement data can be easily obtained using a dedicated display unit. Additionally, data collection is a simple operation of transferring files from the data display unit, which can store up to 10,000 data points, to a PC via USB connection. 【Features】 ■ No need for cumbersome cable wiring ■ Bluetooth communication ■ Integrated data logger and battery ■ Easy operation *For more details, please refer to the catalog or feel free to contact us.

  • Hydrological survey
  • Water quality/pH measuring device

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Analyzer "DIK-2012"

An analyzer that does not destroy the bonds of the granules themselves!

The "DIK-2012" is a soil aggregate analyzer that can collect particles of a certain size without destroying the bonds of the aggregates themselves. It has a mechanism for sieving samples placed in a set of five standard sieves arranged in four tiers, using a constant stroke up and down motion within a temperature-controlled analysis tank. The sieve mesh sizes are 2.0, 1.0 mm, 500, 250, and 106 μm, and the mesh can be changed according to the analysis purpose, so please feel free to contact us. 【Features】 ■ Does not destroy the bonds of the aggregates themselves ■ Capable of collecting particles of a certain size ■ Mesh can be changed according to the analysis purpose *For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Company
  • Geological Survey Company
  • Soil Research Institute

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Measuring device "DIK-1150"

Measuring device that assists in accurate measurements.

The "DIK-1150" is a device for measuring the actual volume of soil (solid phase + liquid phase). The measurement is simple, requiring only the insertion of a sample and the press of a button. The measurement results are displayed digitally, and data storage is possible for up to 1,000 entries. The operation screen uses easy-to-understand Katakana characters, making it accessible to anyone. Additionally, it is equipped with various error display functions to prevent issues such as forgetting to close the sample chamber lid or incorrectly inserting the test piece during calibration, ensuring accurate measurements. Furthermore, with the dedicated data analysis software Daiki Location Manager (DLM) released simultaneously, organizing and analyzing measurement data is easy. Please feel free to contact us. 【Features】 ■ Digital measurement of soil actual volume ■ Reliable measurements ■ Easy operation ■ User-friendly operation screen ■ Prevention of forgetting to close the sample chamber lid *For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Company
  • Geological Survey Company
  • Soil Research Institute

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Field Pump "DIK-650C"

A field pump that can be used continuously for 2 to 5 hours!

The "DIK-650C" is a battery-powered outdoor pump controlled by a microprocessor. The built-in 12V battery allows for continuous use for 2 to 5 hours. Additionally, there is a manual field pump available as a sister product. Please feel free to contact us. 【Features】 ■ Continuous use for 2 to 5 hours ■ Battery-powered ■ Designed for outdoor use *For more details, please refer to the catalog or feel free to contact us.

  • pump

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Soil sampler "DIK-110C"

The best soil sampler for dioxin soil surveys!

The "DIK-110C" is a soil sampling tool that allows for on-site verification of soil conditions. It can sample soil with an inner diameter of 50mm and a length of 30cm. The driving handle is of a suitable size and strength for driving, making it easy to operate with a comfortable thickness. The sampler head can have the handle removed and an optional extension rod attached. The blade tip is made of strong and durable stainless steel. It can be attached and detached from the sample tube with a single touch, and if damaged, it can be easily replaced. Additionally, we also offer a compact and portable "soil sampler," "stainless steel sample cylinder," and "soil sampling aid." 【Features】 ■ Ideal for dioxin soil surveys ■ Easy to operate ■ Made of stainless steel ■ Easily replaceable if damaged ■ High strength *For more details, please refer to the catalog or feel free to contact us.

  • Soil Research Institute
  • Civil Engineering Company
  • Geological Survey Company

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