Rockwell hardness meter TRHM-A11 is a mechanical & electrical hardness testing instrument with novel design, digital display and micro-processor controlled loading system. Its automatic loading control eliminates operational errors in reading. It is used for the testing of ferrous & non-ferrous materials, plastic materials at Rockwell scale. The digital display shows test force values, dwell time, unloading, hardness results, conversion table etc. to study.
| 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 |
| Resolution | 0.1 HR |
| Loading control | Automatic |
| Maximum height of specimens | 170 mm |
| Distance from Indenter’s center to outer wall | 165 mm |
| Range of Rockwell hardness value | HRA 20 to 88<br/> HRB 20 to 100<br/> HRC 20 to 70 |
| Dimension of the machine | 490 × 212 × 750 mm |
| Weight | 85 kg |
| Power supply | AC 220 V , 50 Hz |
| Preliminary test force | 98 N |
| Total test force | 588, 980, 1471 N |
| Brinell hardness test | 306, 613, 1839 N |
| 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) |
| 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 |
| Sample size (L*B) | 230×50 mm (can join short samples together) |
| Rub pressure | 20 ± 0.2 N |
| Friction speed | 43 times / min |
| Sample (size) length | 38×70 mm |
| Measuring range | (1-500) mN.m (divided into 7 small ranges) |
| 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 |
| Measurement range | 0.01 to 10 N |
| Slider weight | 200 g |
| Slider size | 63×63 mm |
| 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 |
| 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 |
| Measuring scope | ( 1 to 9999) s, divided in to (1 to 15) s, (15 to 300) s, (300 to 9999) s, the automatic (no. more than 200 s) |
| Measuring range | A (1 to 6) J indicating error ± 0.05 J<br/> B (1 to 12) J indicating error ± 0.05 J<br/> C (1 to 24) J indicating error ± 0.05 J<br/> D (1 to 48) J indicating error ± 0.05 J<br/> The indicating errors w.r.t measurement range of 20 to 80 % |
| Impact Speed & Energy (charpy) | 2.9 m/s for 1J, 2J, 4J, 5J & 3.8 m/s for 7.5J, 15J, 25J |
| Impact energy (Izod) | 3.5 m/s for 1J, 2J, 4J, 5J, 7.5J, 15J, 25J |
| Resolution of impact energy | 0.001 J |
| Inclined adjustable angle | 0 to 40° |
| Panel width | 120 mm |
| Test area width | 80 mm |
| The maximum temperature | 300°C |
| Temperature fluctuation | Within ± 0.5°C |
| Temperature uniformity | Within ± 1°C |
| Measuring range | 0.01 to 600.00 g/ 10 min (MFR), 0.01 to 600.00 cm/ 10 min (MVR), 0.001 to 9.999 g/cm (melt density) |
| Measuring rate | 0.001 S |
| Temperature range | 50 to 400°C |
| Standard roller | 2000 ± 50 g |
| Testing stations | 6 |
| Dimension (L*W*H) tester | 650×210×550 mm (6 stations) |
| Operating temperature | Ambient temperature to 300°C |
| Heating rate | 50°C/ h (5 ± 0.5°C/ 6 min) , 120°C/ h (12 ± 1°C/ 6 min) |
| Maximum temp. error with heating speed | ± 5°C under 50°C/ h, ± 1°C under 120°C/ h |
| Seal temperature | Room temperature -250°C |
| Control accuracy | ± 0.2°C |
| Dwell time | 0.1 S to 999.9 S |
| Standard roller | 2000 ± 50 g |
| Testing stations | 3 |
| Dimension (L*W*H) tester | 320×210×550 mm (3 stations) |
| Measuring range | 0.01to 600.00 g/ 10 min (MFR), 0.01 to 600.00 cm3/ 10 min (MVR), 0.001 to 9.999 g/ cm3 (melt density) |
| Measuring rate | 0.001 S |
| Temperature range | 50 to 400°C |
| Test arm weight | 2.5 N |
| Additional Loads | 2.5 ± 0.1 N, 5 ± 0.1 N, 10 ± 0.1 N, |
| Idler | 150 mm |
| Temperature range | -60°C to 0°C |
| Temperature accuracy | ± 0.5°C |
| Temperature range | RT 50° to 300° |
| Temperature accuracy | ± 1° |
| Measuring range | 0.01 to 25 mm |
| 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> |
| 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 |
| Maximum load | 100 kg ( kg and N can be switched automatically) |
| Resolution | 0.01 g |
| Accuracy | ± 0.5 % |
| Measuring range | 0.001 to 9999 |
| Stability | A (absorbency of light) <0.003 within 3 mins |
| Linearity error | <3.0 % |
| Salinity Measurement range | 0.00 to 19.99 ms/cm |
| Measuring accuracy | EC ± 2% full scale |
| Temperature Measurement range | -5 to 50°C |
| Maximum load | 100 kg ( kg and N can be switched automatically) |
| Resolution | 0.01 g |
| Accuracy | ± 0.5 % |
| Measurement range | 0 to 60 % |
| Resolution | 0.1 |
| Accuracy | ± 5 % n (non-saturation condition) |
| Measurement range | 0 to 90 % |
| Resolution | 0.1 or 0.01 |
| Accuracy | ± 5 % n (non-saturation condition) |
| Measurement range | 0 to 80 % |
| Resolution | 0.1 |
| Accuracy | ± 2 % n (non-saturation condition) |
| Measuring range | 0.001 to 9999 |
| Stability | A (absorbency of light) <0.003 within 3 mins |
| Linearity error | <3.0 % |
