Cookies

We use third-party cookies to improve our services.

Cookie Notice
Email
Reg.
REGISTER your dmš equipment and enjoy
the 5 years limited warranty*
on the electronic unit.
*See Demeq SRL warranty conditions
QH Family LEEB

QH5 Series

Portable Leeb Metal Hardness Testers

Accurate and simple to operate

Take the QH5 to obtain fast and precise measurements on a wide variety of metal parts including complex shaped and massive parts.

Get instant readings in the most common hardness units using the best suited impact device for your application.

PDF Data sheet
dmq Certificate of conformity CE Marking ASTM
QH5 Series Portable Leeb Metal Hardness Testers

QH5

Outstanding features

Measure with the Leeb or rebound method

Measures in the most popular units

Accepts all impact device types 1

Generate user materials

Sound and visual alarms for maximum and minimum

CalTag: Impact devices with calibration

Memory for 32000 readings

USB for data transfer

Real time histogram graphics

Real time complete statistics

Meets international standards

5 years limited warranty on the electronic unit

1. Depending on model. See the Models section.

Impact devices with CalTag

We offer impact devices that are application specific and all include CalTag which is integrated calibration to ensure precise and reliable measurements.

Impact devices with CalTag

We offer impact devices that are application specific and all include CalTag which is integrated calibration to ensure precise and reliable measurements.

QH Family Impact devices with calTag
Type G impact device

A greater impact energy allows measurements on rough surfaces with little preparation. Recommended for large, founded and forged parts.


QHS601
Type DL impact device

Features a 50mm long tip and 4mm diameter making it ideal to measure in hard to reach places such as grooves and gears.


QHS301
Type D impact device

Impact device with a short body, ideal for measurements in reduced spaces.

Type D impact device comes standard with the QH5 D and QH5 M models.


QHS101
Type E impact device

Uses a synthetic diamond ball allowing high hardness measurements (up to 1200 HV). This is the best option to measure hardened steel or parts with similar treatments.

QHS701
Type C impact device

A low impact energy that also produces a smaller indentation makes this impact device ideal for superficial heat treatment and small part measurements.

QHS501
Type DC impact device

Type D impact device with a short body, ideal for measurements in reduced spaces.


QHS201
QH Family Impact devices with calTag
QHS100
Type D
impact device

Impact device with a short body, ideal for measurements in reduced spaces.

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

QHS201
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

QHS301
Type DL
impact device

Features a 50mm long tip and 4mm diameter making it ideal to measure in hard to reach places such as grooves and gears.

Impact energy: 11Nmm
Length: 20 2mm / 7.95in
Weight: 100g / 3.52oz

QHS501
Type C
impact device

A low impact energy that also produces a smaller indentation makes this impact device ideal for superficial heat treatment and small part measurements.

Impact energy: 3Nmm
Length: 141mm / 5.55in
Weight: 75g / 2.64oz

QHS601
Type G
impact device

A greater impact energy allows measurements on rough surfaces with little preparation. Recommended for large, founded and forged parts.

Impact energy: 90Nmm
Length: 254mm / 10in
Weight: 250g / 8.81oz

QHS701
Type E
impact device

Uses a synthetic diamond ball allowing high hardness measurements (up to 1200 HV). This is the best option to measure hardened steel or parts with similar treatments.

Impact energy: 11Nmm
Length: 155mm / 6.10in
Weight: 80g / 2.82oz

Applications

Ideal for:

  • Measuring forged or founded parts
  • Testing of large or massive parts in situ
  • Classifying and identifying materials
  • Measuring in confined or reduced spaces
  • Conducting controls during production
  • Checking overall quality
Models

Slide the table horizontally to fully display its content.

Models

D / DC

G

C - DL - E

QH5 D
QH5 G
QH5 M

NOTE: QH5 D and QH5 M models are delivered with a type D impact device.
Ask for other impact devices.

See comparison of the QH family
Compatible with DataCenter

All models allow you to connect to a PC where data can be processed using our dmq DataCenter software available at no cost.

See DataCenter
Model upgrades

Have your needs changed after you purchased the instrument?

You can upgrade the model of your instrument adding the additional features that you need with the purchase of upgrade licenses.

Request model upgrade
QH5 series general specifications
Dimensions

79 x 117 x 32mm
(3.11 x 4.6 x 1.26in)

Weight

182g
(0.40lbs)

Materials

Steel
Aluminum
Grey Cast Iron
Nodular Cast Iron

Stainless
Copper
Bronze
Brass

Hardness units

Leeb (HL)
Brinell (HV)
Vickers (HB)
Rockwell C (HRC)
Rockwell B (HRB)
Shore (HS)
Mechanical strength (N/mm2)
User units 3

Resolución

1HL
1HB
1HV
0.1HRC
0.1HRB
0.1HS
1N/mm2 (Mechanical strength)

Measuring Range

HV 100 - 950

Accuracy

± 4HL (0.5% at 800HL)

Power

AA x2

Battery Life

150 Hours 4

Certificates and International Standards

Certificate of Conformity
CE Marking
ASTM A956

3. User can set units for measuring materials not included in equipment list.

4. Display light off.

Ready to use

Delivered in a high impact carrying case, inside you will find:

  • QH5 electronic unit
  • Certificate of conformity
  • Impact device 5
  • USB cable to connect to a PC
  • Coupling paste for parts
  • Reference test block
  • Pendrive with dmq DataCenter software
  • Printed user manual

5. Depends on the model

You can find more videos in our YouTube channel.

Go Youtube
Accessories and Consumables
QHS100
QHS111
Type D impact device

General use impact device that offers the widest measuring ranges in all hardness units and standard metals

Impact energy: 11Nmm
Length: 147mm / 5.78in
Weight: 75g / 2.64oz

QHS201
QHS211
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

QHS301
Type DL impact device
QHS311

Features a 50mm long tip and 4mm diameter making it ideal to measure in hard to reach places such as grooves and gears.

Impact energy: 11Nmm
Length: 202mm / 7.95in
Weight: 100g / 3.52oz

QHS501
QHS511
Type C impact device

A low impact energy that also produces a smaller indentation makes this impact device ideal for superficial heat treatment and small part measurements.

Impact energy: 3Nmm
Length: 141mm / 5.55in
Weight: 75g / 2.64oz

QHS601
QHS611
Type G impact device

A greater impact energy allows measurements on rough surfaces with little preparation. Recommended for large, founded and forged parts.

Impact energy: 90Nmm
Length: 254mm / 10in
Weight: 250g / 8.81oz

QHS701
QHS711
Type E impact device

Uses a synthetic diamond ball allowing high hardness measurements (up to 1200 HV). This is the best option to measure hardened steel or parts with similar treatments.

Impact energy: 11Nmm
Length: 155mm / 6.10in
Weight: 80g / 2.82oz

QHX102
QHX102
Impact Body

Consult for impact device model.

QHA012
QHA012
Set of 12 support rings to measure concave and convex surfaces

Compatible with type D, DC, C and E impact devices.

QHG005
QHG005
Coupling paste 50cc / 1,76oz

Coupling paste for use with lightweight parts.

QHR101
HLD reference test block

Type Leeb reference test block

Diameter: 90mm
Height: 56mm
Weight: 2.9kg
Hardness: 740 a 790HLD ±6HLD

  • QHR101: For D, DC impact devices
  • QHR102: For DL impact device
  • QHR103: For C impact device
QHR107
HLG reference test block

Type Leeb reference test block

Diameter: 150mm
Height: 90mm
Weight: 5.8kg
Hardness: 460 a 550HLG ±12HLG

QHR001
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.

YHR001
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
QHC101
Cable with connector for all dmq impact devices

Compatible with all dmq impact devices and instruments.

QAC001
QAC001
Cable to connect a thermal printer to dmq instruments

Adapting cable with mini USB to mini USB connectors.

QAI001
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
QHP001
Silicone protective cover

Color: Red

Certificates and International Standards
Included certificate
dmq Certificado de conformidad
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:

Certificados de Calibración para patrones de referencia
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
Certificados de Trazabilidad para patrones de referencia
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
More information about Certifications
International Standards
CE Marking

CE Marking

ASTM
ASTM A956

Models: All


QH Family LEEB

QH5 Series

Portable Leeb Metal Hardness Testers

Contact Us

Request Quotation
QH5 Series electronic unit

I am Quokke, the dmq mascot.
Choose us and be as happy as I am!

See products
Documents & Quotation Hide tab
QH Famliy LEEB

QH5 Series

Portable Leeb Metal Hardness Testers

Contact Us

Request Quotation
QH5 Series electronic unit
COPYRIGHT © DEMEQ S.R.L.
ALL RIGHTS RESERVED.
Go up