FREE SHIPPING
All Orders Over $100 Ship Free Ground
EXPERT SUPPORT
Support Staff Available By Phone, Web Chat, Or Email.
PRICE MATCH
Simply provide proof of a competitor's advertised price on the same item, and we'll match it.
Full policy
$610.00
$1,200.00
$1,598.68
SS - Product Addons
Select product(s) to see addons appear.
This message only appears in theme editor.Description
The SKF TKRS 21 Stroboscope is a powerful, user-friendly inspection tool designed for fast, accurate visual analysis of rotating and reciprocating machinery—without the need to stop production. Ideal for maintenance professionals and reliability teams, this portable handheld strobe allows operators to “freeze” motion using adjustable flash rates, making it easy to inspect belts, gears, shafts, fans, and other moving components in real time.
Built with SKF’s reputation for precision and durability, the TKRS 21 features a high-intensity xenon flash tube that delivers bright, consistent illumination, even in challenging industrial environments. Its wide flash frequency range enables users to match rotation speeds with ease, helping identify issues such as imbalance, misalignment, looseness, and wear before they lead to costly downtime.
The ergonomic design ensures comfortable one-handed operation, while the intuitive controls and clear digital display allow for quick setup and accurate adjustments. Whether used for troubleshooting, routine inspections, or preventive maintenance programs, the SKF TKRS 21 enhances safety by eliminating the need for direct contact with moving parts.
Key Features
- High luminescence with seven ultra-bright LEDs
- Multi-line backlit TFT
- Robust and ergonomic design
- Supplied in a sturdy carrying case with 3 x AA batteries included
Specifications
Performance
| Light power at 0.3 m (12 in) distance | 576 fc |
| Brightness (flash duration) | 0.2 – 5 ° |
| Flashrate | 30 – 300000 FPM |
Properties
| Recommended applications | Used for visual inspection of rotating machines such as bearings, gears, belts, fans, and chains. Also used in the textile industry for inspection of patterns. |
| Flash source | 7 LED's |
| Color of light | 5000 – 8000 K |
| Laser speed measurement | No |
| Phase shift | Yes |
| Display | LCD Color with LED backlighting |
| Software features | Flash mode, Tachometer mode |
| External trigger range | - |
| External trigger connection | - |
| Signal modification | - |
| Auto switch off | 10 min, 5 min, off |
| Tripod connector | Yes (1/4-20 UNC) |
| Housing material | PC/ABS blend, overmoulded with TPU rubber |
| Colour | Blue, Dark Grey |
Power & Battery
| Battery | 3x AA (Alkaline included or Rechargeable) |
| Battery life | 3 h |
| Power adapter | No |
Dimensions & Environmental
| Instrument dimensions | 3.0 × 8.9 × 2.0 in |
| Instrument weight | 0.65 lb |
| Degree of protection (IP) | IP 30 |
| Operating temperature range | 32 – 104 °F |
| Recommended storage temperature | -4 – 113 °F |
| Relative humidity | 10 to 90%, non-condensing |
| Case dimensions (L × H × W) | 10.2 × 3.4 × 7.1 in |
Included Content
| Stroboscope 3x AA batteries Instructions for use (MP5487) 1x Carrying case (size A) |
Disclaimer: Apollo Industries is not an authorized distributor, reseller, or representative of SKF. All SKF trademarks and product names are the property of their respective owners. We sell genuine SKF products purchased through independent channels.