Soil water hardness meter TSHM-A11

Soil water hardness tester TSWH-A11 is a handheld design, model with large backlight LCD display and high resolution to show inverted reverse function of numbers on screen. With high accuracy measurement, it maintains the peak value display until manually zero value adjustment. It holds automatic peak function value on display screen for 2 seconds before automatic elimination.

Maximum load 100 kg ( kg and N can be switched automatically)
Resolution 0.01 g
Accuracy ± 0.5 %
Measuring depth 0 to 450 mm
Hardness indication range
Environmental temperature 0 to 60°C
Allowable overload 1.5
Memory storage Stores up to 896 groups of data
Power supply mode 5 Nickel Cyanogen
Battery capacity Continuous operated battery, 6 to 8 hrs
Gross weight 13 kg
Power supply Chargeable AC 100 to 240 voltage
  • Large LCD display with backlight function
  • Data output function
    Data transferrable to PC
  • Large capacity memory storage
  • Gravity acceleration setting function
  • High quality charging power supply
  • Full scale calibration
  • Auto-off time setting 10 to 90 min automatic shutdown

Used for soil water hardness measurement of dry to normal & moist soil for quality analysis & testing purpose.

Measurement range 0 to 80 %
Resolution 0.1
Accuracy ± 2 % n (non-saturation condition)
Needle 280 mm
Measurement range 0 to 90 %
Resolution 0.1 or 0.01
Accuracy ± 5 % n (non-saturation condition)
Needle 235 mm
Measuring range 0 to 100 kPa
Resolution 0.01 kPa
Accuracy ± 1 kPa
Soil temperature measuring range -55 to 105°C
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
Maximum load 100 kg ( kg and N can be switched automatically)
Resolution 0.01 g
Accuracy ± 0.5 %
Measuring depth 0 to 40 mm
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
Measurement range 0 to 60 %
Resolution 0.1
Accuracy ± 5 % n (non-saturation condition)
Needle 280 mm
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
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)
Vacuum degree 0 to 90 KPa
Accuracy 1 % FS
Resolution 0.1 KPa
Vacuum chamber effective size 270 × 210 mm
Resolution 0.1 % O2
Measuring range 0 to 100 % O2
Precision ± 0.4 % O2
Response time < 10 S
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
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
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
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
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
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
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