Digital low load Vickers Hardness tester TDVH-A10

Digital low load Vickers Hardness tester TDVH-A10 comes with large LCD screen to display the parameters like test mode, test pressure, indention length, hardness values, pressure holding time and number of test for study. Equipped with dual channel high resolution optical measuring system, integrated computer programming technology and photoelectrical techniques gives reliable results. Tests thin samples or its parts of nonmetallic materials after the coating in research institutes, factories, labs.

Test force 9.8 N, 49 N, 98 N, 196 N, 294 N, 490 N
Brinell hardness test
Hardness measuring area
Hardness value symbol HV1, HV5, HV10, HV20, HV30, HV250
Error range in display ± 3.0 %, ± 2.0 %
Hardness indication Digital display
Hardness value range in Measure 5 HV to 2500 HV
Ball indenter
Magnification of Microscope 100x
Loading control Automatic
Standrad hardness block
Pressure holding time 5 to 60 S
Min. measurable unit 0.25 µm
Maximum height of specimen
Maximum depth of specimen
Max. height of sample 160 mm
Distance from intenders center to outer wall 135 mm
Illumination light LED
Main body weight Approx. 40 kg
Dimension of machine 540 × 220 × 650 mm
Power supply AC 220 V, 50 Hz
  • Large LCD display
  • Camera & eyepiece for indention photography & metallography
  • Light source adjustments
  • Soft key input
  • Data recording and data processing
  • RS232 interface for printing output, connection to PC

Digital low load Vickers Hardness tester finds application in research institutes, factories, and quality departments for plastic and other non-metals hardness testing.

Frequency (continually adjustable) 10 Hz to1280 Hz + 0.01 %
Amplitude acceleration ( at 30m/s2 pk ) 40 Hz to 320 Hz + 0.3 dB + 1 digit
Amplitude velocity ( at 25mm / sec pk ) 40 Hz to 320 Hz + 0.5dB +1 digit
Amplitude displacement ( at 50 μm pk-pk ) 40 Hz to 320 Hz + 0.5 dB + 1 digit
Preliminary test force 98 N
Total test force 588, 980, 1471 N
Brinell hardness test 306, 613, 1839 N
Vickers hardness test 294, 588, 980 N
Preliminary test force 98 N
Total test force 588, 980, 1471 N
Total test force dwell time 1 to 30 S
Hardness indication Digital display
Test force 612.5 N, 980 N, 1225 N
Brinell hardness test 1837.5 N, 2450 N, 4900 N/7350 N, 9800 N, 14700 N/29400 N
Hardness measuring area 8 to 650 HBW (hard metals steel ball)
Hardness indication Digital display
Preliminary test force 98 N
Total test force 588, 980, 1471 N
Total test force dwell time 0 to 30 S
Hardness indication Analogue display
Test angle 60°
Gloss aperture 2 × 3 mm
Measurement range 0 to 1000 GU
Repeatability 0.2 GU (0 to 100 GU), 0.2 % GU (100 to 1000 GU)
Resolution 0.1 % O2
Measuring range 0 to 100 % O2
Precision ± 0.4 % O2
Response time < 10 S
Vacuum degree 0 to 90 KPa
Accuracy 1 % FS
Resolution 0.1 KPa
Vacuum chamber effective size 270 × 210 mm
The maximum temperature 300°C
Temperature fluctuation Within ± 0.5°C
Temperature uniformity Within ± 1°C
Rotate speed of the turntable 11 r/min to 12r/min, turntable dimension diameter: 285 mm
Mixed capacity 0.5 to 1 kg, 2 to 3 kg, 5 to 7 kg
Temperature range RT to 300°C
Temperature control system PID control
Display LED display
Temperature control range Room temperature to -70 ℃ (room temperature ≤ 25 ℃)
Temperature accuracy ± 0.3 ℃
Impact speed 0℃ to -30℃ around 2.5 ℃/min </br> -30℃ to -40℃ around 2.5 ℃/min </br> -40℃ to -70℃ around 2.0 ℃/min</br>
Max dimension L × W × H 910 × 510 × 860 mm
Test arm weight 2.5 N
Additional Loads 2.5 ± 0.1 N, 5 ± 0.1 N, 10 ± 0.1 N,
Idler 150 mm
Abrasion stroke 40 ± 0.2 M
Salinity Measurement range 0.00 to 19.99 ms/cm
Measuring accuracy EC ± 2% full scale
Temperature Measurement range -5 to 50°C
Temperature accuracy ± 0.5°C
Measuring range 0.001 to 9999
Stability A (absorbency of light) <0.003 within 3 mins
Linearity error <3.0 %
Repeatability error A (absorbency of light) <0.005
Measuring range 0.001 to 9999
Stability A (absorbency of light) <0.003 within 3 mins
Linearity error <3.0 %
Repeatability error A (absorbency of light) <0.005
Sample (size) length Diameter ≥30 mm, Thickness ≤ 40 mm
Measurement mode Diffuse reflection factor Rx, Ry, Rz, stimulus value Y10, X10, Z10, chromaticity coordinates x10, y10, z10; lightness L *, chroma a * b *, chroma C * ab, hue angle h * ab, dominant wavelength λd, excitement purity Pe, color difference ΔE * ab, lightness difference ΔL *, chroma difference ΔC * ab, hue difference ΔH * ab, Hunter system L , A, b
Stability ≤ 0.1 within 30 min
Accuracy Chromaticity co-ordinate 0.0001
Sample (size) length Diameter ≥30 mm, Thickness ≤ 40 mm
System D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150mm, testing hole diameter 30mm
Light source D65 as illuminating source
Zero drift ≤ 0.1 %
Sample (size) length 38×70 mm
Measuring range (1-500) mN.m (divided into 7 small ranges)
Indication error 0.02
Test speed (200° ± 20°)/ min