STDJ-5 Large Soil Specimen Electric Compactor Portable Automatic programmable Proctor and CBR soil compactor and Proctor

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Product Overview


Product Overview

STDJ-5 Large Soil Specimen Electric Compactor


This machine automatically compact specimens, eliminating the laborious hand compaction
method. The height and weight of the rammer are adjustable to suit test requirements. The rammer travels across the mould and the table rotates the mould in equal steps on a base that is extremely stable, the table also pushes forward and pulls back the mould. Compaction cycle: the mould is pushed forward and rotated, getting six blows at the side in different directions; then pulled back and got one blow
in the middle. The number of blows per layer can be set at the beginning of the test.
1. Rammer: Circular faced, 50 mm dia, adjustable to 2. 5 kg and 4.5 kg weight.
2. Drop: Adjustable to 300 mm and 450 mm
3. Motor: 370W, 1400 r/min.

Pre-set blow pattern ensures even compaction,base plate can automatically pull and push, one blow in the center

This instrument is used to test CBR

It accords with the relative requirements of ISO, ASTM, JIN, GB and many other testing methods. EN10002-1, ISO 6892, ASTM E8, ASTM C39, ASTM F606, SAE J429, CE Compliant.

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Company Profile
Shanghai Civil & Road Instrument Co., Ltd. was established in 1981, located in China, is a leading manufacturer and supplier of construction materials testing equipment. We are one of the professional manufacturing enterprises of geotechnical instruments, highway instruments, and building material instruments in China. Meeting the standard of CE, BS, ASTM, and so on. Our equipment is used extensively throughout the world for testing soil, concrete, cement, asphalt, and aggregate in construction projects. These projects include roads, bridges, dams, earthworks, and buildings.

Our company's main products are divided into below series:
1. Mechanics Testing machines (UTM, CTM)
2. Soil Testing Equipment (CBR, Direct Shear Apparatus)
3. Field Testing Equipment (Core Drilling Machine, German Technology)
4. Aggregate (Abrasion Machine, Sieve)
5. Asphalt, Asphalt mixture (Density Meter, Oven)
6. Curing Controller, Cabinet (Test Chamber, Marshall Compactor)
7. Rock Testing Machine
8. Cement Testing Machine
9. Mortar
10. Geosynthetics
11. Waterproof Material
12. Cement Paste
13. Surveying Instrument
14. Balance
15. Wall Brick Compression Strength Specimen Equipment
16. Lab Test Equipment
17. Many Others

Apart from a standard product portfolio, we also have expertise in building customized machines for its customer's requirements. We have the resources, skills, and knowledge to support your business, providing the expertise you need for accurate, reliable, and consistent sample testing. Pre-sales advice and post-sales technical support are always close at hand. We supply training for free, with comprehensive technical and applications support.

Whatsapp:+86 13162267712, WeChat: YSony-TE, E-mail:, Phone: +86-21-37023309

Packaging & Shipping
1. Out packing: Standard export wooden case.
2. Inner packing: With careful stretch film wrap product, hard wood board+ strong bandage to fix corners.
3. Checking teams: Specialized staff to inspect and classified your goods.

You can specify other shipping methods such as Airmail, FEDEX or DHL.
We shall let you know about the shipping cost after receipt of your order.
It's more preferable for you to provide us with your own FEDEX/DHL account number
so that the delivery charge can be charged directly from your account.

Contact US
Please contact us for more details and product profile via Wechat/ WhatsApp/ Email. Thank you for your co-operation.


Q1: Are you a manufacturer?
A1: Yes, we are a manufacturer. Our factory is located in Zhejiang province.

Q2: What is your payment term?
A2: We usually do on T/T. For big order we may accept L/C.

Q3: What is your lead time?
A3: The lead time depends on instrument type and order quantity.

Q4: Is it possible to visit your office and factory?
A4: Sure, you are always welcome to visit us.

Product Photos

Welcome to place an order. Thank you for your co-operation. Wish you have a great day.

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