QH2 Series
Leeb Hardness Testers for steel
Simple and affordable
The QH2 Series are the most affordable option to measure hardness in steel. Ease of use with the basic features you need to get the job done and the usual quality of dmq instruments at the best price.
Get reliable and instant measurements in standard hardness units like Brinell, Rockwell or Vickers.
QH2
Outstanding features
Easy to use
Measures in the most popular units
Memory for 1000 readings 1
USB for data transfer 1
Real time average
Visual alarms for minimum
Meets international standards
5 years limited warranty on the electronic unit
1. Depending on model. See the Models section.
Impact devices
We offer impact devices that are application specific.
Impact devices
We offer impact devices that are application specific.
Type D impact device
General use impact device that offers the widest ranges in all hardness units and available materials.
Type D impact device comes standard with all the QH2 Series models.
Type DC impact device
Type D impact device with a short body that is ideal for measurements in reduced spaces.
Type D
impact device
General use impact device that offers the widest ranges in all hardness units and available materials.
Type D impact device comes standard with the QH7 L and QH7 C models.
Impact energy: 11Nmm
Length: 147mm / 5.78in
Weight: 75g / 2.64oz
Type DC
impact device
Type D impact device with a short body that is ideal for measurements in reduced spaces.
Impact energy: 11Nmm
Length: 86mm / 3.38in
Weight: 50g / 1.76oz
Applications
Ideal for:
- Verifying large steel parts in situ
- Classifying and identifying steel parts in stock
- Controlling the production of steels
- Checking the steel quality
Models
Slide the table horizontally to fully display its content.
Models |
HLD test block |
Memory |
Data transfer |
---|---|---|---|
QH2 S | |||
QH2 DLS | |||
QH2 P | |||
QH2 DLP |
Compatible with DataCenter
In our QH2 DLS and QH2 DLP, models with a Datalogger, you can connect to a PC to manage data using dmq DataCenter software available at no charge.
See DataCenterQH2 Series general specifications
Dimensions
69 x 115 x 28mm
(2.72 x 4.53 x 1.1in)
Weight
185g
(0.410lbs)
Materials
Steel
Range
HL 150 - 960
Accuracy
±4HL (0.5% a 800HL)
Hardness units
Leeb (HL)
Vickers (HV)
Brinell (HB)
Rockwell C (HRC)
Rockwell B (HRB)
Mechanical strength (N/mm2)
Shore (HS)
Power
AA x2
Battery Life
150 Hours 2
Certificates and International Standards
Certificate of Conformity
ASTM A956 3
2. Display light off.
3. Applies only to QH2 P and QH2 DLP models that include an HLD reference test block
Ready to use
Delivered in a high impact carrying case, inside you will find:
- QH2 electronic unit
- USB cable to connect to a PC 5
- Type D impact device
- Printed quick user guide
- Reference test block 4
- Certificate of conformity
4. QH2 P and QH2 DLP models / 5. QH2 DLS and QH2 DLP models
Hardness measurements with the LEEB method - QH2
What's inside the QH2 S
What's inside the QH2 P
What's inside the QH2 DLS
What's inside the QH2 DLP
QH2 electronic unit - Front and Back
QH2 electronic unit - Power supply: AA x2
QH2 electronic unit - Sides and connectors detail
You can find more videos in our YouTube channel.
Go YoutubeAccessories and Consumables
QHS100
Type D impact device
General use impact device that offers the widest ranges in all hardness units and available materials.
Impact energy: 11Nmm
Length: 147mm / 5.78in
Weight: 75g / 2.64oz
QHS200
Type DC impact device
Type D impact device with a short body that is ideal for measurements in reduced spaces.
Impact energy: 11Nmm
Length: 86mm / 3.38in
Weight: 50g / 1.76oz
QHX102
Impact Body
Consult for impact device model.
QHA012
Set of 12 support rings to measure concave and convex surfaces
Compatible with type D, DC, C and E impact devices.
QHG005
Coupling paste 50cc / 1,76oz
Coupling paste for use with lightweight parts.
Calibration and Traceability certificates available for reference test blocks. See Certifications section.
QHR101
HLD reference test block
Type Leeb reference test block
Diameter: 90mm
Height: 56mm
Weight: 2.9kg
Hardness: 740 a 790HLD ±6HLD
HB, HRB, HRC and HV reference test blocks
- QHR201: Rockwell C (HRC) reference test block
- QHR301: Rockwell B (HRB) reference test block
- QHR401: Brinell (HB) reference test block
- QHR501: Vickers (HV) reference test block
Inquire.
YAMAMOTO brand test blocks
- YHR201: Rockwell C test blocks (HRC)
- YHR301: Rockwell B test blocks (HRB)
- YHR401: Brinell test blocks (HB)
- YHR501: Vickers HV10 test blocks (HV)
Inquire.
QHC101
Cable with connector for all dmq impact devices
Compatible with all dmq impact devices and instruments.
QAC001
Cable to connect a thermal printer to dmq instruments
Adapting cable with mini USB to mini USB connectors.
QAI001
Thermal printer for dmq instruments 6
Speed: 90mm/s
Resolution: 203dpi
Weight: 134g
Dimensions: 105 x 75 x 45mm
6. Does not include connecting cable
QHP001
Silicone protective cover
Color: Red
Certificates and International Standards
Included certificate
Certificate of Conformity
This certificate accompanies all DMQ equipment, they are made based on secondary reference test blocks, procedures and internal DMQ standards.
- QHF310: Certificate of Conformity for QH electronic unit with LEEB method on HLD test block
Optional certificates
Optionally, we offer Calibration certificates and Certificates with traceability for reference test blocks:
Calibration Certificate
Certificate issued by an external laboratory accredited by INTI-SAC, expressing the results of the calibration of the instruments or reference test blocks according to ISO/IEC 17025.
Check validity of the certifying organization in your region.
- QHF120: INTI-SAC Calibration Certificate under ISO/IEC 17025 IRAM 301 standard for HLD reference test block in HRC-HB or HV scale
Certificate with Traceability
Additional certificate based on instruments or reference test blocks certified by INTI-SAC laboratory, a copy of the traceability certificates is attached to the traceability certificate.
Check validity of the certifying organization in your region.
- QHF220: Certificate with INTI-SAC Traceability for HLD reference test block on HRC scale
International Standards
ASTM A956
Models: QH2 P and QH2 DLP