Digital convergence instrument | JSS30A-convergence with digital display meter | 20/30-meter tunnel convergence meter | Displacement meter

Digital convergence instrument | JSS30A-convergence with digital display meter | 20/30-meter tunnel convergence meter | Displacement meter

1250 CNY (182.01USD)

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Product parameters:

  • Customized processing: no
  • Type: the convergence device
  • Model: JSS30A


S30A Meter digital convergence (convergence meter for short) is the next generation convergence of digital display meter. It is suitable for measurement of tunnel, the tunnel and surrounding rock in chambers and other works around and deformation law of support, determine a reasonable purpose of supporting parameters. Convergence measurement has been recognized as measurement in underground engineering project must be one of the

The convergence plan is in the original JSS30Foundation and improvement of new products by the Ministry of science and technology progress award, novel structure, convenient operation, high measurement accuracy, small size, light weight, good sealing characteristics, construction, scientific research works carried out measurements have the ideal tool.

  • The use of environmental conditions

Ambient temperature: 0-40

Relative humidity: not more than 93% ± 3%

  • Basic parameters

Measuring Yuan Wei (two different sizes): 0.5M~ 20m 0.5M~ 30m (when ordering, please specify)

Resolution: 0.01mm

Measurement accuracy: 0.06mm

Display value stability: 26H less than 0.01mm

Service description:

Three-year warranty, free maintenance, for performance reasons, lead to instrument damage or damage to the instrument, and is not covered under warranty.

Power supply: 1.55V silver oxide button battery SR44W section 1.

Overall dimensions: 410mmx100mmx35mm

Weight: 0.9kg

  • Maintenance and precautions

Adjusting nut counterclockwise to turn maximum range, important to note No exposed threads.

Convergence of measurement is completed, cotton wipe dust and steel tape erasure on a regular basis the oil to prevent rust.

Use process should as far as possible from water soaking convergence into account tools and correct use of convergence the rotating parts of the meter, ensure the ruler straight and not twisted.

Mercury thermometers should be used for the measurement of value is 0.1 degrees, no score is the value of other thermometers.

When used in underground coal mines should be kept in mind not in the pit to replace the battery. In addition to the specifications of the battery shall not be substituted by other types of battery.

When it finds a display character Dim, unstable or when there is no show, in time to replace the battery. Convergence meter long from time to time, the batteries should be removed.

Replace the ruler, first steel plate remove the opposite side of foot, new ruler set back into the spindle, and cover up foot plate rack.

Convergence meter is a precision measuring instrument, should not be demolished, the replacement of parts, such as when there is a fault could not be ruled out, please contact the manufacturer to solve it.