Water absorption tester- Cobb Tester TP-C21 is used for the determination of the water absorption of sized paper, paperboard, and corrugated paper under standard conditions within 200 to 250 g/m2 range by Cobb method. It is adopted with overturn structure for ease of operations.
| Measurement range | |
|---|---|
| Slider weight | |
| Slider size | |
| Testing accuracy | |
| Dimension of working plate | |
| Speed of slider | |
| Slider stroke | |
| Specimen size | |
| Division value | |
| Number of specimen holders | |
| Metal Cylinder inner area | (100 ± 0.2) cm2 |
| Metal Cylinder height | 50 mm |
| Metal roller width | (200 ± 0..5) mm |
| Metal roller weight | (10 ± 0.5) kg |
| Absorbency paper | 200 to 250 g/m2 |
| Absorbency speed | 75 mm/10 min |
| Sealed testing speed | |
| Volume of distilled water | |
| Sample diameter | 125 mm |
| Sample error | |
| Sample Thickness | |
| Draining time | |
| Residual water volume | |
| Hydraulic pressure | |
| Dimension | 270×400×300 mm |
| Net Weight | 35 kg |
Cobb tester (water absorption tester) is used to test water absorption of sized paper, paperboard, corrugated paper in paper & printing industry, packaging industry.
| Measuring range | 0 to 1000 ml/min |
| Test area | 10 ± 0.02 cm2 |
| Area differential pressure | 1 ± 0.01 kPa |
| Inner diameter of grip ring | 35.68 ± 0.05 mm |
| Measuring range | 10 to 1000 mN |
| Division value | 1 mN |
| Accuracy | ± 1% |
| Indicating Error | ≤ 0.5 |
| 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 |
| Measuring scope | 0 to 99999 s |
| Folding angle | 135° ± 2° |
| Tensile scope | 4.9 to 14.7 N |
| Folding head suture size | 0.25 mm, 0.50 mm, 0.75 mm, 1.00 mm |
| Capacity | A: 20 to 500 J/m2 B: 500 to 1000 J/m2 |
| Impact angle | 90° |
| Unit | Lb-ft/in2 J/m2 |
| Error | A: ± 1 J/m2 B: ± 2 J/m2 |
| Measuring range | 0.1 to 10 kN |
| Indication error | < ± 1% |
| Platen Size | 500×500 mm (customized) |
| Operating stroke | 500 mm (customized) |
| Sample (size) length | 0 to 200 mm adjustable |
| Sample width | 15 mm |
| Measuring range | 0 to 30 N (tissue paper), 0 to 100 N,0 to 300 N, 0 to 500 N, 0 to 1000 N |
| Accuracy | ± 1 % |
| Measurement range | 0.01 to 10 N |
| Slider weight | 200 g |
| Slider size | 63×63 mm |
| Testing accuracy | ± 2 % |
| Measurement range | 0 to 100° SR |
| Sealed testing speed | 100 ± 10 mm/s |
| Volume of distilled water | 1000 ± 5 ml |
| Draining time | 149 ± 1 s |
| Sample (size) length | 90 to 200 mm |
| Sample width | 15 mm, 25 mm, 50mm |
| Measuring range | 0 to 30, 0 to 100 N,0 to 300 N |
| Accuracy | ± 1 % |
| Sample diameter | 125 mm |
| Sample error | ± 0.2 mm |
| Sample Thickness | 0.1 to 1.0 mm |
| Dimension | 240×288×435 mm |
| Measuring range | 0 to 20 mm |
| Accuracy | 0.01 mm |
| Gauge | Analogue gauge display |
| Contact pressure (to create false weight) | 20 ± 0.5 kPa |
| Sample (size) length | 180 mm (180, 150, 100, 90, 50 mm adjustable) |
| Sample width | 15 mm |
| Measuring range | 0 to 30, 0 to 100 N,0 to 300 N, 0 to 500 N, 0 to 1000 N |
| Accuracy | ± 1 % |
| Measuring range | 0 to 4 mm |
| Accuracy | 0.01 or 0.001 mm |
| Gauge | Analogue gauge display |
| Contact pressure (to create false weight) | 100 ± 10 kPa |
| Measuring range | 1 to 50 kN |
| Indication error | < ± 1% |
| Platen Size | 800×800 mm/ 1000×1000 mm/ 1200×1200 mm/ 1500×1500 mm (customized) |
| Operating stroke | 800 mm/ 1000 mm/ 1200 mm/ 1500 mm (customized) |
| 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 |
| 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 | 0 to 30 S |
| Hardness indication | Analogue display |
| 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 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) |
| 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 |
| 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 |