Bellows inner diameter measuring instrument

GBT9647-2015Bellows inner diameter measuring instrument

1Product Introduction:

Bellows inner diameter measuring instrumentUsed for measuring the inner diameter of corrugated pipe ring stiffness test for prestressed concrete bridges. Meet the requirements of the Ministry of Transport's "JT/T529-2016 Plastic Corrugated Pipes for Prestressed Concrete Bridges" and "GB/T9647-2015 Determination of Ring Stiffness of Thermoplastic Pipes".

IITechnical Indicators:

1. Measurement of corrugated pipe specifications: Φ 50mm to Φ 350mm

2. Measurement resolution: 0.01mm

3. Measurement accuracy: ± 1%

4. LED digital display

5. Power supply: 220V × 50Hz

6. Weight: 5kg

IIIInstallation matters:

1. The magnetic table holder is attracted to the workbench.

2. The magnetic meter base pole is fixed to the U-shaped block of the frame to ensure verticality and firmness.

3. Connect the end of the cable to the vitality arm.

4. Connect the five core connector of the displacement sensor to the digital display meter.

5. Connect to a 220V power supply.

4Operation Instructions:

1. Turn on the switch button of the digital display.

2. When measuring the compression deformation of the bellows, insert the movable arm into the bellows and press the RST (yellow) button on the digital display to reset it to zero.

3. Start conducting experiments.

5Instructions for Use:

1) Select the length of the "ruler" based on the diameter of the corrugated tube sample, and hang the "ruler" at the rotating shaft pins on both measuring ends, with the same position. Adjust the tilt angle of the Φ 12 upright pole that tightens the handle of the magnetic meter holder, so that the "ruler" (or encoder rope) is perpendicular to the axis of the corrugated tube sample. Tighten the screw handle.

2) Measure the inner diameter of the corrugated pipe

Turn on the instrument power, press the function key (MO) for more than 2 seconds to enter the parameter setting state, and the screen will display * parameters Fn00. Press the function key (MO) until Fn04 (initial value) is reached, press the OK key EN, use ↑↓ to change the initial value, use (MO) to shift to 1000, then press EN to confirm, and press RST to exit. Place the measuring end into a 100mm (or 200mm, 300mm) ruler, press RST, and the screen will display 100.00 (or 200.00, 300.00). Then place the measuring end into the tube where the inner diameter of the corrugated tube needs to be measured. After the value stabilizes, read the value, which is the inner diameter of the corrugated tube.

3) Measure the inner diameter deformation of the corrugated pipe

① Turn on the instrument power, press the function key (MO) for more than 2 seconds to enter the parameter setting state. The screen displays * parameters Fn00. Press the function key (MO) until Fn04 (initial value) is reached. Press the OK key EN, use ↑↓ to change the initial value, use (MO) to shift to 0, then press EN to confirm, and press RST to exit. Put the measuring end into the bellows, and then adjust the magnetic meter base to fix it on the base of the testing machine, so that the measuring end is placed in parallel in the bellows. Press the RST button on the instrument panel to reset it to zero.

② Control the testing machine to load at the required rate according to the specifications until the value on the measuring instrument reaches 3% deformation of the inner diameter of the corrugated pipe. Stop loading the testing machine, record the corresponding force value, and calculate the ring stiffness value of the corrugated pipe.

③ In working mode, press the ↓ key to turn on the MAX indicator light and the instrument panel can display the maximum value of z.

④ If the displacement sensor reading is inaccurate, please correct it according to the following method:

a. Press the function key (MO) for more than 2 seconds to enter the parameter setting state, and the screen will display * parameters Fn00. Press the function key (MO) until Fn01 (calibration coefficient) is reached, press the confirm key EN, and use ↑↓ to change the coefficient value.

b. After setting the parameters, press the OK key EN and then press RST to exit.

VIPacking list:

1. One set of measuring rack (including magnetic machine base)

2. One digital display meter

3. One displacement sensor

4. One user manual

5. One certificate of conformity