Web Gauge Product Comparison Table
Use this comparison chart to see which system is right for you
Still have questions? Visit the Moving Web Thickness & Weight Measurement Systems page, or
| 21Plus! | Iplus! | |
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| Cast film | ✓ | ✓ |
| Co-extruded film | ✓ | |
| Sheet extrusion | ✓ | ✓ |
| Biax film | ✓ | |
| Converted products | ✓ | |
| Extrusion coating (total only) | ✓ | ✓ |
| Extrusion coating (base/coat/total) | ✓ | |
| Tandem extrusion coating | ✓ | |
| Roll/blade coating | ✓ | |
| Building materials | ✓ | |
| Paper | ✓ | |
| Nonwovens | ✓ | ✓ |
| Patch coating | ✓ | |
| Rubber/vinyl calendering | ✓ | ✓ |
| Roofing | ✓ | |
| Abrasives | ✓ | |
| Float glass | ✓ | |
| Blown film | ✓ |
| 21Plus! | Iplus! | Range | Measurement | Measurement Principle | |
| BetaPlus KR85 | ✓ | ✓ | 5–1600 gsm | Basis weight | Isotope |
| BetaPlus SR90 | ✓ | ✓ | 100–7000 gsm | Basis weight | Isotope |
| PM Roofing SR90 | ✓ | 100–7000 gsm | Basis weight | Isotope | |
| Prosis | ✓ | ✓ | 1–2000 µm depending on material | Basis weight or direct thickness | NIR spectroscopy |
| ShadowMaster | ✓ | ✓ | 100–6500 µm | Direct thickness | Laser |
| XrayMaster | ✓ | 20–50,000 gsm | Basis weight | X-ray | |
| TeraHertz | ✓ | 50 µm to 150 mm depending on material | Direct thickness | Optical TOF (Thz) |
| 100 - 7000 gsm |
| 21Plus! | Iplus! | Max Sheet Width | |
| Mark III Industrial Scanner | ✓ | 393.7 inches (10 meters) | |
| Mark III Hazard Reduced Scanner | ✓ | 148 inches (3749 mm) | |
| Mark III Industrial Scanner for ShadowMaster Sensor (includes roll) | ✓ | 118 inches (2997 mm) | |
| Mark III Vertical Passline Industrial Scanner—CAN BE TILTED +/- 45 DEGREES FROM VERTICAL | ✓ | 148 inches (3749 mm) | |
| Mark III Wide Gap Industrial Scanner | ✓ | 148 inches (3749 mm) | |
| Abrasive Scanning C-Frame—ALWAYS VERTICAL | ✓ | 80 inches (2032 mm) | |
| Stainless Steel Roofing Scanning (High Moisture Content) C-Frame | ✓ | 80 inches (2032 mm) | |
| L220 Scanning Frame | ✓ | ✓ | 88 inches (2236 mm) |
| L220 Scanner for ShadowMaster Sensor (includes roll) | ✓ | ✓ | 88 inches (2236 mm) |
| L400 Industrial Scanner | ✓ | ✓ | 157 inches (4 meters) |
| Box Beam | ✓ | 80 inches (2032 mm) |
| 100 - 7000 gsm |
| 21Plus! | Iplus! | |
|
|
|
| Cast film | ✓ | ✓ |
| Co-extruded film | ✓ | |
| Sheet extrusion | ✓ | ✓ |
| Biax film | ✓ | |
| Converted products | ✓ | |
| Extrusion coating (total only) | ✓ | ✓ |
| Extrusion coating (base/coat/total) | ✓ | |
| Tandem extrusion coating | ✓ | |
| Roll/blade coating | ✓ | |
| Building materials | ✓ | |
| Paper | ✓ | |
| Nonwovens | ✓ | ✓ |
| Patch coating | ✓ | |
| Rubber/vinyl calendering | ✓ | ✓ |
| Roofing | ✓ | |
| Abrasives | ✓ | |
| Float glass | ✓ | |
| Blown film | ✓ |
| 21Plus! | Iplus! | Range | Measurement | Measurement Principle | |
| BetaPlus KR85 | ✓ | ✓ | 5–1600 gsm | Basis weight | Isotope |
| BetaPlus SR90 | ✓ | ✓ | 100–7000 gsm | Basis weight | Isotope |
| PM Roofing SR90 | ✓ | 100–7000 gsm | Basis weight | Isotope | |
| Prosis | ✓ | ✓ | 1–2000 µm depending on material | Basis weight or direct thickness | NIR spectroscopy |
| ShadowMaster | ✓ | ✓ | 100–6500 µm | Direct thickness | Laser |
| XrayMaster | ✓ | 20–50,000 gsm | Basis weight | X-ray | |
| TeraHertz | ✓ | 50 µm to 150 mm depending on material | Direct thickness | Optical TOF (Thz) |
| 100 - 7000 gsm |
| 21Plus! | Iplus! | Max Sheet Width | |
| Mark III Industrial Scanner | ✓ | 393.7 inches (10 meters) | |
| Mark III Hazard Reduced Scanner | ✓ | 148 inches (3749 mm) | |
| Mark III Industrial Scanner for ShadowMaster Sensor (includes roll) | ✓ | 118 inches (2997 mm) | |
| Mark III Vertical Passline Industrial Scanner—CAN BE TILTED +/- 45 DEGREES FROM VERTICAL | ✓ | 148 inches (3749 mm) | |
| Mark III Wide Gap Industrial Scanner | ✓ | 148 inches (3749 mm) | |
| Abrasive Scanning C-Frame—ALWAYS VERTICAL | ✓ | 80 inches (2032 mm) | |
| Stainless Steel Roofing Scanning (High Moisture Content) C-Frame | ✓ | 80 inches (2032 mm) | |
| L220 Scanning Frame | ✓ | ✓ | 88 inches (2236 mm) |
| L220 Scanner for ShadowMaster Sensor (includes roll) | ✓ | ✓ | 88 inches (2236 mm) |
| L400 Industrial Scanner | ✓ | ✓ | 157 inches (4 meters) |
| Box Beam | ✓ | 80 inches (2032 mm) |
| 100 - 7000 gsm |
Scanner/sensor compatibility chart
| L220 | L400 | Mark III | C-Frame | Box Beam | |
| PROSIS IR Transmission | ✓* | ✓* | ✓ | ||
| PROSIS IR Microbeam | ✓ | ||||
| PROSIS IR Reflection | ✓ | ✓ | ✓ | ||
| PROSIS IR Dual Reflection | ✓ | ||||
| BetaPlus | ✓* | ✓* | ✓ | ||
| LFE Beta Roofing Sensor | ✓ | ||||
| XrayMaster | ✓ | ✓ | |||
| ShadowMaster | ✓* | ✓ | ✓ | ||
| Terahertz | ✓ | ✓ | ✓ | ✓ | ✓ |
| *Available on Iplus! platform | |||||
| 100 - 7000 gsm |