Digital Concrete Test Hammer

1. Technical Specifications

Test procedure conforming to EN 12504-2 and ASTM C805;

Storage capacity 2 Mb;

Impact energy: 2.207 J±0.100J

Impact tension spring stiffness: 785±30.0N/m

Pointer length:20.0±0.2mm

Pointer friction: 0.65±0.15n

Impact rod spherical radius: R25±1.0

Impact tension spring working length: 61.5±0.3mm

Impact rod length: 75.0±0.3 mm

Impact hammer takeoff position: scale "0" + 1

Steel anvil on the rate constant value: 80±2

Value consistency: ≦±1

Working temperature: - 4 ℃ ~ + 40 ℃

High-contrast graphic display 256x64 pixel and 7 keys membrane keyboard

Communication rate: 115200 bps

Battery power: 1600 ma  3.7 V lithium ion batteries

2. Main Features.

Computer data processing software:

After the on-site sampling data is completed, the spring back device connects the communication cable via the USB port, the software automatically identifies the port, reads the sampled data, and can generate the test report immediately.

Data view:

After finishing the sampling,can easily get the original rebound values, measuring area intensity values, comprehensive evaluation values etc

Real-time clock:

Real-time display and record the sampling time, and can be uploaded to the computer software.

Bluetooth print:

Optional with portable bluetooth printer, can print the data at the site, suitable for site supervision and engineering inspection.

Strength curve:

Built-in new national and international curvesgs.also customized curve setting in the PC.

Hammer appearance:

Elegant exterior design, portale, convenient operation, OLED LCD screen display, easy operation and data view;

Grating-rule sensor:

Grating rule sensor ensure stable and accurate results.

Test value:

With mechanical hammer reading and digital LCD reading