Measure

Method:
Leeb
Resolution:
1 HL, 1 HB, 0.1 HRB, 1 N/mm2
Accuracy:
+/- 4 HL (0.5% at 800 HL)
Materials:
Steel and Cast Steel, Grey Cast Iron, Spheroid Iron
Measuring Range:
200HL to 960HL
Impact Angles:
User Selectable 0°, 45°, 90°, 135° and 180°

Impact Devices

Types:
D, G
Impact Device Compatibility:
Generic brands
demeq CalTag guaranteed calibration
Impact Energy:
90 Nmm
Impact Tip Mass:
20g / 0.70oz
Impact Tip Diameter:
5mm / 0.12in
Impact Tip Hardness:
1600 HV
Impact Tip Material:
Tungsten Carbide

With CalTag technology dmq impact devices can be changed or replaced without having to calibrate the electronic unit.

Features

Histogram:
3 to 10 bar graphic representations
Real Time Statistics:
Max, Min, Mean, Range and Standard Deviation
User Units:
2 user units can be established
Direct Access Key:
Program for impact angle, hardness unit, to save to memory, to open files
View Modes:
4 numerical modes: different information is displayed
Graphic mode: view histogram graphics
Measure Modes:
Absolute: displays the actual measured value
Differential: displays the difference between the real value and a nominal reference value
Internal Clock:
Time and date

Alarms

Low & High:
User defined
Alarm Types:
Visible: flashing backlight or irregular digits
Audible: intermitent beep

Display

Graphic LCD:
128×64 pixels
Viewable Area:
45 x 30mm / 1.77 x 1.18in
Backlight:
LED backlight (ON, AUTO, OFF)
Contrast:
Digital 30 steps

User Interface

Languages:
English, Spanish, and Portuguese
Menu Screens:
Icon based
User ID:
Personal information with password protection

Units

HL (Leeb)
HB (Brinell)
HRB (Rockwell B)
Rm (Mechanical Ressistance)
User Units
USR-A
USR-B

Hardness Ranges

Steel and Cast Steel:
90-646 HB (Brinell)
48-100 HRB (Rockwell B)
305-2194 N/mm2 (Rm)
Grey Cast Iron:
92-326 HB (Brinell)
Spheroid Iron:
127-364 HB (Brinell)

Model Upgrade Licenses

Upgrade to a QH5 M with the purchase of a license

Data Logger

Storage:
Up to 32000 readings
Data Transfer:
Send to a PC using dmq DataCenter software included at no additional charge
Organization:
8 files with 10 character alphanumeric naming
Capture Modes:
Manual: Touch the “Store” key to store values
Continuous: Automatically stores values
Date and Time Register:
Register day and time

Connections

Connect to PC:
Via USB (cable included) or RS232 (optional cable)
Printers:
Thermal printer with a USB cable
40 column printers with an RS232 cable

Front Panel

Touch-Sense Keypad:
No mechanical parts
Keypad:
Sensitivity adjustment
Auto pressure detection
Auto scrolling detection

Electronic Unit

Dimensions:
H: 117mm / 4.60in
L: 78.74mm / 3.10in
W: 24mm / 0.94in
Weight:
200g / 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 with rubber sides for easy grip
Front Panel:
Polycarbonate

Power Supply

Batteries:
2 x AA 1.5v Alkaline
2 x AA 1.2v Ni-MH Rechargeable
Battery Life:
100 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