Description
Features and Benefits:
Manual Model W-M-250
• Easy to use manual calculation of the mean rebound number.
Manual Model W-M-350
• Records every test on chart paper. Easy to read and use.
• All James Test Hammers conform to ASTM C-805, BS-1881 #202 and other international standards.
Technical Specifications:
The W-M-350 Recording Test Hammer gives you the same quality as the W-M-250 but with the added
feature of a built-in automatic chart recorder. Every test you take is automatically recorded as a bar chart
on a paper strip. This creates a field record to verify your findings. In addition to this paper record, you can see each test as it happens through the large easy to read window. The W-M-350 comes with two rolls of paper, each with a capacity to record over 4000 tests.
The W-M-250 Manual Test Hammer is the traditional instrument used for the non-destructive testing of
hardened concrete. This easy-to-use instrument provides a quick and simple test for obtaining an immediate indication of concrete strength in various parts of a structure. The minimum verifiable strength is 1400 PSI (10 MPa).
Specifications:
Manual Test Hammer W-M-350:
Weight: 3.2 lbs. (1.4 kg)
Size: 5” x 3” x 14”
(127 x 76 x 355mm)
Shipping Weight: 6 lbs. (2.7kg)
Carrying Case
Dimensions: 8” x 7” x 14”
(203 x 178 x 355mm)
