QH7 Series "HEAVY DUTY" hardness testers are built in an aluminum enclosure for use in the most adverse conditions. They are ideal for heavy industries and mining, and are available in Leeb, UCI, or both methods in one unit. 
Features
- Complies with ASTM A-956 & ASTM E-140 standards
- Measure in any direction with auto angle detection
- CalTag technology on impact devices and probes
- Graphical representations and statistics
- Rechargeable batteries
- Aluminum enclose with rubber sides
- Programmable quick access key
- Send data via Bluetooth
- Color backlight alphanumeric LCD display
Applications
| Method | Leeb | UCI |
|---|
| Models | QH7L, QH7C | QH7U, QH7C | | Heavy solid parts | ++ | + | | Founded or forged | ++ | O | | Steel as well as aluminum alloys | ++ | O | | Weld Heat Affected Zones | O | ++ | | Tubes and pipes | O | ++ | | Bars | + | ++ | | Metal plates and sheet metal coils | + | ++ | | Non-homogenous surfaces | ++ | O | | Thin parts | + | ++ |
- ++ ideal
- + depends on actual part
- O not recommended
Specifications
| Leeb (Energy absorbed on impact) | | Materials | Steel and cast steel, alloy tool steel, stainless steel, grey cast iron, spheroid iron, cast aluminum, brass, copper, bronze and user defined materials | | Resolution | 1 HL - 1 HB - 1HV - 0.1HRC - 0.1 HRB - 0.1 HRB - 0.1 HS - 1 N/mm2 (Mechanical Resistance) | | Accuracy | ± 4 HL (0.5% at 800 HL) | | Measuring Range | HL 150 - 960 | | UCI (Ultrasonic contact impedance) | | Materials | Steel, other metals with calibration blocks | | Resolution | 1HV - 0,1HRC - 0,1HRB - 1HB - 0,1HS -1N/mm2 (Mechanical Resistance) | | Accuracy | A maximum 5% tolerance in HV | | Measuring Range | HV 230 - 940 |
DataCenter Software
DataCenter is software used to transfer and process data stored in the unit memory. With the tools in DataCenter you can generate statistics, graphics, export data to other programs and prepare custom reports. With the QH7 measurements can be transferred using a USB cable and or by Bluetooth.
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Complete Kit
The QH7 comes complete with impact device, UCI probe, or both ( QH7 C model ); test block, printed user manual, certificate of conformity, CD with software DataCenter FULL, USB cable, SE520 high impact carrying case and rubber protections for both sides of the enclosure.
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