We measure where others are just guessing.
Precision at the highest level.
Brake Tester QB.4 | 2200mm | 3,7kW
700mm rollers | 3,7kW | 5,2km/h | 2,5t max. test load | motor brake | AWD detection | speed sensor | ASA v1.2 | galvanized | Premium-coated rollers | with Android App
Article number: 1 691 400 100
QB.4 - the new benchmark in brake testing
Real-time control via smartphone or tablet
- Ready for mobile Android devices by default
- No cabinets, PCs, or license costs required
- Optional classic display by choice: analog, digital, or TV
No compromise on quality
- Standard motor brake
- Frame and base unit hot galvanized
- Long-lasting premium-coated rollers for high grip and low tire consumption
- Reinforced bearings and high-quality 3.7 kW motors
Next-level power box
- All electronic components safely placed outside roller set
- Flexible display options, no Windows PC needed
- RJ45 Ethernet with ASA Livestream v1.2 interface as standard
Brake testing made easy
- Automatic testing procedure
- No need for remote control
- Automatic detection for all-wheel drive
- Program for electronic parking brakes
- Optional upgrade with 4-point axle weight scales
- Fits in all common foundations
Included as standard. Where others charge extra:
- Motor brake: Increases motor lifespan, simplifies driving axle out of the brake tester
- Galvanized critical components: Protects against corrosion, increases service life
- All-wheel drive detection: Ideally equipped for all-wheel drive and electric vehicles
- Premium-coated rollers: Maximum grip, minimum abrasion
- App use: Replaces complete analog display and PC
Scope of delivery:
- Brake tester with 700mm rollers
- QB.4 control cabinet with ASA Livestream v1.2
- Android app
| Max. wheel diameter | 1000 mm |
|---|---|
| Protection class | IP 54 |
| Electrical connection | 3 x 400 V | 50 - 60 Hz |
| Measuring system | DMS |
| Max. axle load testable | 2,5 t |
| Test speed | 5,2 km/h |
| Coefficient of friction dry/wet | 0,8 / 0,7 |
| Roller length | 700 mm |
| Roller elevation | 25 mm |
| Motor power | 2 x 3,7 kW |
| Power cable length | 15 m |
| Automatic switch-off function | Standard |
| Corrosion preventing | Hot galvanized |
| Roller diameter | 205 mm |
| Number of rollers | 4 |
| Min. test width | 800 mm |
| Max. test width | 2200 mm |
| Packaging length | 2420 mm |
| Packaging width | 820 mm |
| Packaging height | 800 mm |
| Gross weight | 469 kg |
| Extension assistance | Standard |
| Min. wheel diameter | 320 mm |
| Roller axle distance | 381 mm |
| Foot-operated power meter | Optional |
| Max. drive-over load | 4 t |
| Height difference upper edge of roller to workshop floor | -10 mm |
| ASA livestream | ja Standard |
| Tablet | Optional |
| Weighing system | Optional |
| Automatic start-up and restart | Standard |
| Start-up anti-blocking device | Standard |
| Analog Display with wall bracket | QB.4 | 1 691 401 100 |
|---|---|
| Digital Display with wall bracket | QB.4 | 1 691 401 101 |
| Wall bracket | VESA 400x400mm | 1 691 401 107 |
| TV display kit | QB.4 | 1 691 403 100 |
| Pedal force meter | QB.4 | 1 691 403 101 |
| Installation frame for car brake tester BD 4xxx, 700 mm | 1 691 602 115 |
| Edge protection for car brake tester BD 4xxx, 700 mm | 1 691 602 000 |
| Drive-over plate swiveling | 700 mm | 1 691 601 011 |
| Axle load scale 4 sensors | 1 691 601 606 |
| Support strips for axle load scales | 2 pcs | 1 691 601 009 |
| Tablet | Android | 10.1" | 1 693 770 644 |
| Lifting and lowering device | HUS 104 | for BD 4xxx and QB.4 brake tester | 700mm | 1 691 600 015 |
