Precise Concrete Leveling Machine 1500

Precise Concrete Leveling Machine with 4x 12 V batteries, laser receivers ×2, battery charger (AGM 24V 20A). The rotating laser level is NOT included — purchase any red-beam rotary laser separately. To operate the device, a measuring tape is also required.

The Precise machine rests on the concrete subbase at three contact points and uses an auger (screw-threaded) system to move excess concrete to the right side while maintaining the set height. It does NOT use a vibrating screed , surface finish can be achieved with a bull float. This allows the use of six inertial measurement units calculating height across six axes (linear movement and rotation) simultaneously (vibration would interfere with these sensors). In addition to rotary laser input, it uses ground gravity and multi-axis angle data for extreme precision. The working element height is updated at 200 Hz (200 times per second).

S3, S4, and S5. The Precise machine is the only Concrete Wolf machine suitable for S5 (very fluid) concrete. Minimum pour thickness when using very fluid concrete is 2 cm.

200 mm (7.9 in) above the support surface (e.g., above mesh or subbase).

Yes, but at approximately half speed. The machine rests on the subbase, so an uneven base (mesh, rebar) forces slower operation. At full speed, the Precise machine is ideal for fiber-reinforced concrete poured on a smooth subbase. It can maintain its set height for approximately 1 meter (a few seconds) even when it temporarily loses laser signal — inertial measurement units maintain accuracy during momentary blockages.

Not recommended as the first choice. The Precise machine rests on three subbase points, so constant sharp up-and-down movements (e.g., over underfloor heating pipes) are not ideal. It can be done, but the operator must work at slow working speed. The Fast Concrete Leveling Machine or Vibration Laser Screed are better choices for highly uneven bases.

The machine can maintain its set height for approximately 5 seconds (about 1 meter of travel at max working speed) without laser input, using internal gyroscopes and accelerometers that calculate height from machine angle and relation to ground. This handles momentary blockages such as a column or person passing between the machine and the laser.

Four 12V 38Ah AGM batteries (operating voltage 24V). Batteries are included with the machine. Working time at maximum load is approximately 4 hours. Charging time: 4 hours (fast 20A).

Up to 300 m²/hour. On smooth bases with fiber-reinforced concrete, it can operate at maximum speed. Over mesh or rebar, approximately half speed.

64 kg including batteries.

1495 mm.

Power button: press once to activate (the logo and battery symbol on laser receivers light up, machine in neutral); press again to deactivate (working body lowers, machine goes to sleep). Three-stripe button: first press = forward/transport mode (max 80 cm/s, working body raises automatically); second press = neutral; third press = reverse/working mode (max 30 cm/s, laser elevation lights illuminate, working body searches for laser beam and levels automatically). Speed increase: thumb control on handle — in working mode, this activates the auger and increases reverse speed.

Both red arrows flashing (no direction): laser not detected for >0.6 sec. Red arrow DOWN flashing: working element is above set height, moving down. Red arrow UP flashing: working element is below set height, moving up. Green ‘0’ light: working element is at correct set height. Three stacked squares: battery level indicator (all green = 83–100%; bottom two green = 50–83%; bottom two yellow = 33–50%; bottom two red = 16–33%; bottom two flashing red = <16%).

Yes — the Precise machine is specifically designed for large areas and is the machine of choice for those who pour large floors daily. It is especially well suited for industrial floors with fiber-reinforced concrete.

The Precise machine is primarily designed for wet concrete. Sand or gravel leveling is impossible, the Fast Concrete Leveling Machine is recommended for that.

Before use: spray with a biodegradable oily substance. After use: wash with running water and a brush. Pressure washing is acceptable but keep pressure moderate; keep the laser receiver connectors and laser receivers protected.

Height control is fully automatic. All Concrete Wolf machines use servo motors that adjust the blade/working element up or down, guided by rotary laser receivers. The operator only needs to pull or steer the machine — the automation does the rest automatically. This is far faster than hydraulic systems (which respond ~4 times per second).

The machines include laser receivers (×2) but NOT a rotating laser. You must purchase any red-beam rotary laser separately — 600 rpm is recommended. Compatible brands include Leica, Hilti, Bosch, Spectra, Topcon, Trimble, Stabila, NEDO, NIVEL, and others. Cross-line lasers are NOT compatible. The laser rotation speed must be at least 300 rpm.

All machines achieve ±1 mm leveling accuracy. The laser receivers themselves are accurate to ±0.5 mm. In practice, ±1 mm is achievable with a consistent and careful operator.

Yes. Slopes can be achieved in two ways: (1) tilt the rotating laser beam to the desired angle — the machine will follow the slope precisely; or (2) adjust the laser receivers on the machine to different heights on each side to create a cross-slope. Any gradient that can be set on a red-beam rotary laser (including grading lasers) is supported.

Yes. Because the Vibration Laser Screed and Fast Concrete Leveling Machine rest on the poured concrete surface, what lies beneath (rebar, mesh, fiber reinforcement) has no effect on operation. The Precise Concrete Leveling Machine can also work over rebar/mesh, but must operate at approximately half speed. At full speed, the Precise machine works well with fiber-reinforced concrete.

No prior experience or training is required. All machines are designed to be intuitive — the operator only needs to pull (Vibration Laser Screed) or steer (Fast, Precise). No one has contacted Concrete Wolf with usage difficulties. The machine is pre-calibrated at the factory; additional automatic calibration runs at every startup.

Only calibration that is needed is setting the laser recievers at the correct height.

1. Set up the rotating red laser at a height of 30–100 cm above the concrete surface to be leveled. 2. Measure the laser beam height from the finished concrete surface (using a tape measure and a standard laser receiver/grade rod). 3. Move the ‘0’ marks of the machine’s laser receivers to the measured height from the lower edge of the blade/plow (Vibration Laser Screed should be switched OFF during the procedure, Precise Concrete Leveling Machine and Fast Concrete Leveling Machine can be ON or OFF). The machine is then ready — just switch on and begin working.

All machines carry a 1-year manufacturer’s warranty. If a defect occurs, Concrete Wolf will repair or replace the device. Spare parts are always kept in stock and can be shipped quickly. For simpler issues, parts can also be sent to you to be replaced on site.

Concrete Wolf sells to any country where there are no economic restrictions, either directly or through dealers.

In normal situations, an immersion vibrator (vibrating poker/needle) is not needed. If there is a risk of trapped air in the concrete structure (e.g., thick slabs with dense rebar), you may run a vibrating poker before surface leveling. For the surface smoothing work the machines are designed for, an immersion vibrator is not required.

The concrete should be mixed as usual — the slump class should be suitable for the machine, otherwise there are no special mixing requirements for Concrete Wolf machines.

If the operator works carefully and consistently, ±1 mm finished floor level (FFL) tolerance is achievable with all machines. As the machines are manufactured in Europe, FF/FL numbers (US system) are not currently recorded, but results are expected to be excellent.

Yes. Concrete Wolf machines were specifically developed for high-rise buildings, basements, apartments, and similar complex environments. The Vibration Laser Screed models are the easiest to transport to elevated locations. The Fast and Precise machines are heavier but still manageable — the Fast machine can be disassembled into 2 parts for transport in 30 seconds.

The Precise Concrete Leveling Machine can handle S5 (very fluid) concrete; minimum pour thickness is 2 cm. The Vibration Laser Screed is not suitable for S5 and not recommended for very fluid S4 concrete. The Fast Concrete Leveling Machine is also not suitable for S5 or very fluid S4.

Vibration Laser Screed: lightweight, manually pulled, suitable for S2–S4, any pour thickness, any base surface condition. Best for tight areas. Fast Concrete Leveling Machine: motorized wheel, suitable for S1–S4 (not S5), pour thickness 0–300 mm. Ideal for uneven bases, sand leveling, underfloor heating pipes. Precise Concrete Leveling Machine: motorized, auger based operation, suitable for S3–S5, pour thickness 20–200 mm above support surface. Best for large areas, fiber-reinforced concrete, very fluid concrete. Not ideal for very uneven bases.

European concrete workability is classified by slump: S1 = 10–50 mm, S2 = 50–100 mm, S3 = 100–160 mm, S4 = 160–210 mm, S5 = ≥220 mm. S1 is the least fluid; S5 is the most fluid.