James Concrete Test Hammers

Digital and manual hammers for the quick and easy determination of the strength of concrete

Application:

Rapid estimate of concrete strength

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.

Model W-M-250

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)

Sales Numbers

W-M-350

Manual recording test Hammer

W-M-250

Manual 250 Rebound Hammer

W-C 7312

Test Anvil

Specifications

Manual Test Hammer W-M-250

Weight:

2 lbs (0.9 kg)

Size:

10 ½” (267 mm) (with plunger retracted)

Shipping Weight:

6 lbs. (2.7 kg)

Carrying Case:

15 ½” x 11 ½” x 2 ½”

Dimensions:

(394 x 292 x 64 mm)

Calibration Anvil Model W-C-7312

It is recommended that calibration of the test hammers be checked regularly-

usually after about 2000 strokes. The James Calibration Anvil (W-C-7312) has

been designed for just that purpose.

The Calibration Anvil weighs approximately 35 lbs. (16 kg) and should be

ordered separately.