Product Overview

The concrete penetration resistance tester primarily uses the manual penetration resistance method to determine the setting time of concrete. It is suitable for testing the setting time of concrete mixes made with various types of cement, admixtures, and different concrete mix proportions, under a range of ambient temperatures. The instrument features a lightweight and aesthetically pleasing design. Lever‑based mechanics allow the probe force to be directly read from the meter, ensuring convenient and accurate testing. The product complies with the requirements of GB/T50080 and the Ministry of Transport’s JTJ053 standard.

Technical Parameters

Serial Number	Project	Parameters
1	Diameter of the test specimen mold	Φ160mm
2	Bottom diameter of the test specimen mold	Φ150mm
3	Sample mold depth	150mm
4	Maximum Penetration Force	1000N
5	Penetration depth	25mm
6	Penetration Speed (Manually Controlled)	2.5mm/s
7	Cross‑sectional area of the penetration needle	100 mm²; 50 mm²; 20 mm²
8	Penetration Point (Optional)	>13 points
9	Force measurement method	Electronic digital display
10	Minimum division value	1N
11	Indication error	±10 N
12	Net weight	50KG

Operating Instructions

1. Place the instrument on a level platform.
2. Connect the power supply and press the “Power” button on the digital display panel; the digital display will then show numeric values. Please allow the device to power on for 10 minutes so that the digital reading automatically stabilizes at “0”.
3. Select the appropriate penetration needle. A load of 350 N corresponds to the initial setting penetration resistance (i.e., 2–3.5 MPa; use a 100 mm² penetration needle at this stage). A load of 1000 N corresponds to the intermediate setting penetration resistance (i.e., 3.5–20 MPa; use a 50 mm² penetration needle at this stage). A load of 560 N corresponds to the final setting penetration resistance (i.e., 20–28 MPa; use a 20 mm² penetration needle at this stage).
4. Fill the mold with the concrete specimens to be tested, then level the surface and place it on the instrument’s base plate.
5. Adjust the penetration depth.
One method for using a concrete penetration resistance tester is as follows: First, measure the distance X between the bottom surface of the penetration needle and the top surface of the test specimen (Note: X must not exceed 5 mm; otherwise, the penetration needle needs to be lowered appropriately). Next, adjust the distance between the bottom surface of the fixed-length nut at the top of the instrument and the top surface of the “cap” to 25 + X mm, then tighten the cap screw to lock in the 25 + X mm length.
Another method is to press down on the handle to ensure that the lower end face of the penetration needle is flush with the top surface of the test specimen, then adjust the fixed-length nut on the upper part of the instrument so that the distance between the lower plane and the top plane of the “cap” is set to 25 mm and locked at that length, before releasing the handle.
The actual penetration depth for both of the above methods is 25 mm.
6. Testing: First, press the “Zero” button on the digital display panel to clear the sensor’s initial value—effectively zeroing it out. Then, press the “Test” button to enter the working test mode; at the same time, the first light on the digital display (the “Test” light) will illuminate. Grip the handle and rotate it downward, guiding the penetration needle into the specimen until it reaches the deepest penetration point (25 mm), a process that should take approximately 10 seconds. At this point, the digital display will show the peak value, and the second light on the digital display (the “Peak” light) will also illuminate. Read the value displayed on the digital meter and record it—this completes one test.
At the initial setting stage, use a 1 cm² penetration needle, and the calculation formula is: P = N ÷ 100 (MPa);
At final setting, use a 0.2 cm² penetration needle, and calculate using the formula: P = 5 N ÷ 100 (MPa).

Company Profile

Hebei Yinfeng Experimental Instrument Co., Ltd. is a high-tech enterprise dedicated to the research and development, production, and sales of experimental instruments. The company is headquartered in Hebei Province, relying on the strong industrial foundation and technological innovation resources in the Beijing Tianjin Hebei region. It is committed to providing high-precision and high reliability testing equipment and solutions for material testing, engineering quality control, scientific research experiments and other fields.

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The concrete penetration resistance tester primarily uses the manual penetration resistance method to determine the setting time of concrete. It is suitable for testing the setting time of concrete mixes made with various types of cement, admixtures, and different concrete mix proportions, under varying ambient temperatures. The instrument features a lightweight and aesthetically pleasing design. Lever‑based mechanics allow the probe force to be directly read from the gauge, making the testing process both convenient and accurate. The product complies with the requirements of GB/T50080 and the Ministry of Transport’s JTJ053 standard.

Email:

qcj@cnhblabequipment.com

Whatsapp:

+86-15931715356

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