Poker vibrators
High-frequency poker vibrators for intensive compaction.
The LHF and HS high-frequency pokers are made for compacting large volumes of concrete, with the build quality to keep doing so for years. A brushless motor sits inside the bottle, allowing non-stop running, and with only electrical wires in the hose the machine stays light and flexible — useful for working through dense reinforcement. The HS adds a vibration damper for greater comfort, and is intended for fast, efficient finishing of floors and low constructions that are within easy reach.
Requires a high-frequency converter — see HFO / HFO-E.
| Bottle Ø (mm) | Bottle length (mm) | Vibrations (per min) | Amperage in concrete @42V (A) | Effective compaction Ø (cm) | Total weight LHF (kg) | Total weight HS (kg) |
|---|---|---|---|---|---|---|
| Ø36 Short* | 280 | 12,000 | 4.5 | 35 | 8.4 | 6.4 |
| Ø36* | 310 | 12,000 | 4.5 | 45 | 8.6 | 6.6 |
| Ø50 Short* | 320 | 12,000 | 6.7 | 55 | 11.6 | 9.6 |
| Ø50* | 370 | 12,000 | 9.5 | 65 | 13.0 | 11.0 |
| Ø57 Short* | 340 | 12,000 | 11.5 | 75 | 14.1 | 12.1 |
| Ø57* | 390 | 12,000 | 13.5 | 85 | 15.2 | 13.2 |
| Ø65* | 400 | 12,000 | 16.0 | 100 | 17.2 | 15.2 |
Figures transcribed from Lievers Holland data sheets. Values are never invented; “—” means no data.
Comparison
Each machine in this category is designed for the same application, but optimized for different power options, site conditions, and user requirements.
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High-frequency poker vibrators for intensive compaction.
Maximum compaction performance.
Battery-powered poker vibrator — cordless work on site.
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The LHF/HS pokers run on 42V/200Hz high-frequency power, with a brushless motor built directly into the bottle to deliver 12,000 vibrations a minute for fast, non-stop compaction of large concrete volumes. They need a separate frequency converter, such as the HFO or HFO-E, to feed the head at that frequency, and come in Ø36 to Ø65 mm bottle sizes to match the job.
The LHF ships with a 5 m hose plus a 10 m power cable and 42V CEE plug; the HS variant, built for close-in floor work, ships with a shorter 0.85 m hose and a 20 m supply cable. Custom lengths are available on request for either.
Every Lievers machine comes with a one-year warranty. Register your machine and you get a second year on top — two years of cover in total.
Lievers machines are backed by a network of local service points with spare parts on hand, so maintenance and repairs stay close to the job. Get in touch and we'll point you to the nearest one.
