XT550 Shaft
System Easy-Laser® XT550 Ex/ATEX Shaft, Part No. 12-1031
XT550 is designed for use in potentially explosive (EX) atmospheres. Specific EX certifications apply; see the technical data. Please read and follow the safety instructions below. The EX rating is valid for the XT50 measuring units only (part number 12- 1026 & 12-1027). Brackets, fixturing equipment, case, and other accessories are not subject to any EX classification, and must be assessed by the user before use in EX environment. Easy-Laser does not take responsibility for the EX safety of accessories. The ECOM Tab-Ex® Display unit has separate EX certification; see the technical data below.
Please read and follow the safety instructions described below.
With XT550 you can carry out the following:
- Align the machine
- Check base twist
- Check bearing play
- Check soft foot
- Document and share the results
Easy-Laser® XT550 Shaft system (12-1031) includes:
| 1 | Measuring unit XT50-M |
| 1 | Measuring unit XT50-S |
| 2 | Shaft brackets with chains and rods |
| 4 | Rods 60 mm [2.36"] |
| 2 | Rods 120 mm [4.72"] |
| 2 | Extension chains 900 mm [35.4"] |
| 1 | Measuring tape 3 m [9.8'] |
| 1 | Rod tool |
| 1 | Charger (100–240 V AC) |
| 1 | DC split cable for charging. Length 1 m [39.4”] |
| 1 | USB cable |
| 1 | Quick reference manual |
| 1 | Cleaning cloth for optics |
| 1 | USB memory with manuals |
| 1 | Carrying case (with conductive plastic and foam) |
Display Unit ecom TabEx 03 (12-1484) is sold separately and is not included in the XT550 Shaft system (12-1031).
Display unit ecom Tab-Ex® 03 DZ1. (For full technical specification, see www.ecom-ex.com)
| Type of display/size | TFT 8” color screen (1920 x 1200 pixels) |
| Operating system | Android™ 15 or higher |
| Operating time | Up to 14 h continuously |
| Communication | Bluetooth® 5.3. WLAN 802.11 a/b/g (2.4 GHz), WiFi 4,5,6 (2.4 GHz + 5 GHz) |
| Camera | 13 MP (rear), 5 MP (front) |
| Operating temperature | -20 to +55 °C [-4 to +131 °F] |
| Dimensions | WxHxD: 161.5 mm x 262.75 mm x 25.75 mm [6.4x10.1x1.3”] |
| Weight | 1100 g [2.43 lbs] Approximately |
| ATEX Ex classification |
II 2G Ex db ia IIC T6 Gb, (EX) II 2D Ex tb ia IIIC T80°C Db |
| Ex certificate number | EPS 24 ATEX 1 288 X, IECEx EPS 24.0082X |
| Environmental protection | IP68 according to EN/IEC 60529, MIL-STD-810H |
For technical data regarding measuring units XT50. Go to XT50 Technical data .
When there is no network, use USB C cable to transfer measurement values from ECOM Tab-Ex to your computer, see picture above. To read in Explorer: This computer\Easy Laser (SM T360)\Tablet\Android\data\com.easylaser.xt\files\Measurements.
NOTE! Never charge the unit in intrinsic safety zone and only use the included Easy-Laser charger.
Earlier ecom display unit versions:
Display unit ecom Tab-Ex® 01 DZ1. (For full technical specification, see www.ecom-ex.com)
| Type of display/size | TFT 8" color screen |
| Operating system | Android™ 5.1.1 |
| Operating time | Up to 11 h continuously |
| Communication | BT LE4.0 Wireless technology, Wi-Fi |
| Camera | 3 MP with flash (rear), 1.3 MP (front) |
| Operating temperature | -20°C ... +50°C |
| Dimensions | WxHxD: 162.1x256.0x33.3 mm [6.4x10.1x1.3"] |
| Weight | 1250 g [2.76 lbs] |
| ATEX classification |
II 2G Ex db ia op is IIC T5 Gb II 2D Ex tb IIIC T100°C DbTa = -20°C to +50°C |
| IECEx | Ex db ia op is IIC T5 Gb Ex tb IIIC T100°C Db Ta = -20°C to +50°C |
| Ex certificate number | Sira 15ATEX1205X, IECEx SIR 15.0075X |
Display unit ecom Tab-Ex® 02 DZ1. (For full technical specification, see www.ecom-ex.com)
| Type of display/size | TFT 8" color screen |
| Operating system | Android™ Oreo 8.1 or 9 |
| Operating time | Up to 11 h continuously |
| Communication | BT LE4.2 Wireless technology, Wi-Fi |
| Camera | 8 MP with flash (rear), 5 MP (front) |
| Operating temperature | -20°C ... +50°C |
| Dimensions | WxHxD: 162.1x256.0x33.3 mm [6.4x10.1x1.3"] |
| Weight | 1250 g [2.76 lbs] |
| ATEX classification |
II 2G Ex db ia op is IIC T5 Gb II 2D Ex tb ia op is IIIC T100°C DbTa= -20°C to +50°C |
| IECEx | Ex db ia op is IIC T5 Gb Ex tb ia op is IIIC T100°C Db Ta= -20°C to +50°C |
| Ex certificate number | Sira 19ATEX1017X, IECEx SIR 19.0012X |
When there is no network, use mini USB cable to transfer measurement values from ECOM Tab-Ex to your computer, see picture above. To read in Explorer: This computer\Easy Laser (SM T360)\Tablet\Android\data\com.easylaser.xt\files\Measurements.
NOTE! Never charge the unit in intrinsic safety zone and only use the included Easy-Laser charger.
Safety precautions/Warning
- Do not charge in potentially explosive environment!
- Always read and follow operation instructions.
- Opening the housing of the units will invalidate the Ex-rating, voids warranty and may result in hazardous light exposure.
- All repairs must be done by Easy-Laser main service center in Sweden.
- Only use the included Easy-Laser charger (12 V).
- The EX rating is valid for the XT50 measuring units only (part number 12-1026 & 12-1027). Brackets, fixturing equipment, case, and other accessories are not subject to any EX classification, and must be assessed by the user before use in EX environment. Easy-Laser does not take responsibility for the EX safety of accessories
Labels with laser safety precautions

II 2G Ex db ia IIC T6 Gb, (EX) II 2D Ex tb ia IIIC T80°C Db 





