DMQ QH2 S STEEL Rebound Hardness Tester[:es]DMQ QH7 L Rebound Hardness Tester “Leeb”
Steel[:es]Hall Effect Thickness Gauge
Have questions about buying this product?
Use a QH2 portable hardness tester to easily measure hardness in steel, cast steel, alloy tool steel and stainless steel.
QH2 hardness testers are supplied with a type D impact device, printed quick users guide and a high impact carrying case.[:es]
Our QH7 HEAVY-DUTY Leeb hardness testers use DMQ impact devices with CalTag technology so that you don’t have to calibrate the unit when changing devices and GyroTag technology so that the impact angle is automatically recognized.
All QH7 models include rechargeable batteries and a Data Logger to store 32000+ measurements that can be transferred to a PC via Bluetooth o USB using DMQ DataCenter software.
| Model | QH7 C, QH7 L, QH7 U |
|---|
Measure
- Impact rebound Leeb method
- Resolution of +/- 1HL
- Accuracy +/- 4HL
(0.5% at 800HL)
Depending on material being tested
Impact Devices
- Types:
D only
Impact Angles
- User selectable
0°, 45°, 90°, 135° and 180°
Features
- Key for angle selection
- Alarm
Language
- English, Spanish, Portuguese
Materials
- Steel
- Cast Steel
- Alloy Tool Steel
- Stainless Steel
Units
- HL (Leeb)
- HB (Brinell)
- HV (vickers)
- HRC (Rockwell C)
- HRB (Rockwell B)
- HS (Shore)
Graphic LCD Display
- LCD 128×64 pixels
- LED backlight illumination (ON, OFF, Auto)
- 12mm / 0.47in tall digits
Alarms
- Low, user defined
- Alarm Types
Visible: Flashing backlight and irregular digits
Warranty
- 5 year limited on electronics
Measuring Ranges
- 200 a 960 HL (Leeb)
- Steel and Cast Steel
80-647 HB (Brinell)
80-940 HV (Vickers)
20-68 HRC (Rockwell C)
38-100 HRB (Rockwell B)
32-100 HS (Shore)
275-2194 N/mm2 (Rm) - Alloy Tool Steel
21-67 HRC (Rockwell C)
80-898 HV (Vickers) - Stainless Steel
85-655 HB (Brinell)
85-802 HV (Vickers)
20-62 HRC (Rockwell C)
46-101 HRB (Rockwell B)
Power Supply
- 2 x AA 1.5v Alkaline
- 2 x AA 1.2v Ni-MH Rechargeable
- Easy slide battery compartment cover
Dimensions
- L:69mm / 2.71in
- H: 115mm / 4.52in
- W: 28mm / 1.10in
| DMQ QH2 S standard configuration | |||
| • | DMQ QH2 S electronic unit | ||
| • | DMQ type D impact device | ||
| • | Printed quick users guide | ||
| • | High impact carrying case | ||
| • | Certificate of conformity | ||
| Optional HLD test block | |||
Measure
Method:
Leeb
Resolution:
1 HL, 1 HB, 1HV, 0.1HRC, 0.1 HRB, 0.1 HRB
Accuracy:
+/- 4 HL (0.5% at 800 HL)
Materials:
Steel and Cast Steel, Alloy Tool Steel, Stainless Steel,
Measuring Range:
200HL to 960HL
Impact Angles:
User Selectable 0°, 45°, 90°, 135° and 180°
Impact Devices
Types:
D only
Conector:
Type Lemo “0B”
Impact Energy:
11 Nmm
Impact Tip Mass:
5.5g / 0.01lbs
Impact Tip Diameter:
3mm / 0.12in
Impact Tip Hardness:
1600 HV
Impact Tip Material:
Tungsten carbide
Features
Angle selection:
Single Key
Alarm:
Low, user defined
Alarms
Low:
User defined
Alarm Types:
Flashing backlight or irregular digits
Display
Graphic LCD:
128×64 pixels
Viewable Area:
45 x 30mm / 1.77 x 1.18in
Backlight:
LED backlight (ON, AUTO, OFF)
Units
HL (Leeb)
HB (Brinell)
HV (Vickers)
HRC (Rockwell C)
HRB (Rockwell B)
Hardness Ranges
Steel and Cast Steel:
81-647 HB (Brinell)
80-940 HV (Vickers)
20-68 HRC (Rockwell C)
38-100 HRB (Rockwell B)
32-100 HS (Shore)
275-2194 N/mm2 (Rm)
Alloy Tool Steel:
80-898 HV (Vickers)
20-67 HRC (Rockwell C)
Stainless Steel:
85-655 HB (Brinell)
85-802 HV (Vickers)
20-62 HRC (Rockwell C)
46-102 HRB (Rockwell B)
Electronic Unit
Dimensions:
H: 115mm / 4.52in
L: 69mm / 2.71in
W: 28mm / 1.10in
Weight:
175g / 7.05oz with batteries
Working Temperature:
-10°C to 50°C / 14°F to 122°F
Storage Temperature:
-20°C to 60°C / -4°F to 140°F
Enclosure:
High impact ABS
Front Panel:
Polycarbonate
Power Supply
Batteries:
2 x AA 1.5v Alkaline
2 x AA 1.2v Ni-MH Rechargeable
Battery Life:
80 hours with backlight off
Battery Indicator:
On all screens with a low level alarm
Auto-Off:
Programmable 1 to 120 minutes
Warranty
Electronic Unit:
5 year limited warranty
Impact Devices::
6 months
