Rental of small diameter pipe and pile inclination measurement and hole bending measurement device "Nemonavi"

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last updated：Dec 05, 2025

根本企画工業

Official site

Measurements in the horizontal and vertical directions, as well as diagonal directions, are also supported. The measuring equipment is delivered directly to the site by courier. Dispatch of measurement personnel is also possible. A device that combines accuracy and ease of use in measurements.

The device "NEMONAVI" was developed in response to the request for an easy way to measure the bends in pipes buried during anchor construction and ground improvement. It also allows for simple investigation of buried pipes (such as water, communication, electricity, gas, etc.). "NEMONAVI" measures the degree of bending in pipes through a sensor with a built-in gyro, displaying the results as a graph on a computer. 【Features】 ◎ For a measurement of a 50m pipe, it takes about 20 minutes from the start of measurement to the display of results. The compact device has minimal impact on construction. ■ Available for rental from one day to long-term (demonstrations can be discussed) ■ Capable of measuring small diameter pipes (sensor unit outer diameter: φ39mm) ■ With a built-in gyro and cable-free operation (data transfer and power supply), it makes winding the sending wire easy and is not affected by noise during measurement ■ Displays the condition of the pipeline on the PC screen in real-time ■ The insertion and retrieval speed of the sensor unit is adjustable ■ Measurements can be conducted by one operator and one assistant ■ Registered with NETIS (No. KTK-160006-A)

Related Link - http://www.nemoto-kikaku.com/N-navi.html

Inquire About This Product

basic information

【Specifications】 <Type H> ■ Measurement Range: Within ±45 degrees horizontally ■ Measurement Accuracy: ±3/1000 (Measurement distance 50m) ■ Sensor Unit: Outer diameter Φ39mm, length 600mm, weight 2kg ■ Measurement Data Output: CSV format file output <Type V> ■ Measurement Range: Vertical direction ■ Measurement Accuracy: ±1/1000 (Measurement distance 50m) ■ Sensor Unit: Outer diameter Φ48mm, length 700mm, weight 3kg ■ Measurement Data Output: CSV format file output ★ For rental only. In the case of long-term rental, maintenance will be performed midway, and it will be rented out again. A complete set of equipment and detailed instructions will be sent via courier. Direct delivery to the work site is possible. *Please feel free to contact us.

Price range

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Delivery Time

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Applications/Examples of results

【Applications】 ■ Measurement of curvature in outer pipes for anchor methods ■ Measurement of curvature in pipelines for soil ground improvement methods ■ Measurement of curvature in collection pipes ■ Measurement of curvature in frozen pipes ■ Measurement of curvature in pipelines for liquefaction countermeasures ■ Measurement of curvature in rods for flexible boring methods ■ Measurement of curvature in boreholes for advanced exploration, etc. ■ Measurement of curvature in buried pipes (water supply, sewage, communication, electricity, gas, etc.) ■ Measurement of the position of underground obstacles ★ Measurement of borehole curvature during drilling - Can confirm whether there is any curvature due to machine-specific properties or geology. - Early detection of construction defects and confirmation of initial curvature. → Prevention of construction defects! ★ Measurement of curvature in completed boreholes - Confirmation of construction pitch in multiple earth anchor projects - Confirmation of construction pitch in frozen pipe projects - Confirmation of the position of chemical injection in ground improvement projects → Construction management verification!! ※ We look forward to your inquiries and consultations. Please feel free to contact us.

Detailed information

Insertion of the Nemonavis main unit - Install the Nemonavis at the entrance of the measurement pipe - Measurement can be conducted by 2 people: 1 operator and 1 assistant (Under certain conditions, measurement can be conducted by 1 operator alone)
Installation of the length measurement unit - Install the length measurement unit - The insertion distance of the Nemunavi during operation is displayed on the PC screen
During measurement - Nemunavi measurement scene - Measurement is possible just by moving back and forth inside the Nemunavi measurement tube.
V-type main unit - Vertical measurement Nemunavi main unit - Lightweight, compact, and excellent workability
Measuring equipment set - Complete measuring equipment (horizontal type) - Can measure in narrow spaces due to limited equipment
Vertical direction measurement in progress - Vertical direction type, measurement status - Piling construction management
Horizontal measurement in progress - Horizontal type, measurement status - Construction management of seismic reinforcement anchors for the dam
Measurement Status - Measurement of hole bending in the diagonal direction (horizontal type) - Construction management of earth anchors
Measurement Result Display Screen - Example of Measurement Results - Results will be displayed on the PC screen approximately 5 minutes after measurement.