DMQ QH2 DLS STEEL Rebound Hardness Tester w/ Datalogger

Only by Request

Steel + Data Logger

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 a printed quick users guide, high impact carrying case and USB cable to transfer data saved in the unit memory to a PC using DMQ DataCenter software (included).

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°

Graphic LCD Display

  • LCD 128×64 pixels
  • LED backlight illumination (ON, OFF, Auto)
  • 12mm / 0.47in tall digits

Alarms

  • Low, user defined
  • Alarm Types
    Flashing backlight and irregular digits

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)

Features

  • Key for angle selection
  • Alarm

Data Logger

  • 1000 readings that can be sent to a PC using DMQ DataCenter software
  • Capture mode
    “Store” key to save

Connectors

  • Type Lemo 0B 3-pin impact device connector

 

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 DLS standard configuration

DMQ QH2 DLS electronic unit
DMQ type D impact device
Printed quick users guide
High impact carrying case
USB cable
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
Connector:
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

Selection Angles:
Single Key

Data Logger

Storage:
1000 readings
Data Transfer:
Send to PC via USB using dmq DataCenter software included at no additional charge
Capture Modes:
Manual using “Store” key

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)

Connections

Connect to PC:
USB
Printers:
Thermal printer with a USB cable

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

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