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Bosch GRL 400 H Professional rotating laser (blue/black, red laser line, with LR 1 laser receiver, in case)
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- €664,96
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- €664,96
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Bosch GRL 400 H Professional For measurements over longer distances A rotary laser for leveling in construction and outdoor work, designed for users who need...
Vendor: Bosch
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Bosch GRL 400 H Professional
For measurements over longer distances
A rotary laser for leveling in construction and outdoor work, designed for users who need to transfer the same plane over a larger area.
- The rotating beam helps to establish a common horizontal plane across the work area.
- The included LR 1 receiver makes it easier to detect the laser plane when taking distance measurements.
- The case allows you to store and transport the set.
The Bosch GRL 400 H Professional rotating laser is a horizontal construction laser for establishing a reference plane when leveling. It marks a horizontal line with a rotating red laser beam, and the included LR 1 receiver helps to detect the beam when working at longer distances.
It is useful for tasks where horizontal height needs to be transferred between distant points, such as when working on a construction site or landscaping. The receiver makes it easier to read the position of the beam when it is difficult to see it directly.
Key product features
| Property | Value | Rating |
|---|---|---|
| Measuring distance | over 100 m | |
| Power supply | Classic AA or AAA batteries | |
| Bluetooth connectivity | No |
⚖️ Compare features with other products of your choice
The rotating beam creates a horizontal reference plane that can be used to transfer height across a room or jobsite. Since the receiver detects the position of the beam, you can orient yourself when leveling by its reading, not just by the visibility of the red line.
Battery power allows operation without connecting to the mains. The laser and receiver are stored in a case, so they are together when transporting and storing.
| Purpose of use | For determining and checking perfectly horizontal height profiles | ||
| Mode of operation | Battery operation | ||
| Tripod thread | 5/8" | ||
| Protection class (IP) | IP56 | ||
| working area | With receiver: 400 meters, without receiver: 20 meters | ||
| reach | 200 meters | ||
| Laser | Class 2, diode (< 1 mW): 635 nm | ||
| projection | 1 point | ||
| Rotational speed | Level 1: 600 rpm | ||
| Leveling | Leveling area | +/- 5° | |
| accuracy | +/- 0.08 mm/m | ||
| Relationship | Automatic | ||
| Time | 15 seconds | ||
| Operating temperature range | from -10°C to 50°C | ||
| Storage temperature range | from -20°C to 70°C | ||
| Accessories | available | Tool case, LR 1 Professional laser receiver, mounting bracket, battery compartment, 2x LR20 1.5 V (D) batteries, 1x 9V block battery (6LR61) | |
| Dimensions | In general | Width: 18.3 cm x Height: 18.8 cm x Depth/Length: 17 cm | |
| Weight | 2 kg | ||
It is important to know
Before choosing, consider whether you need a rotating laser for working on a larger area or mainly for individual measurements in space. The power supply method is also an important compromise: classic batteries are easy to replace, but with frequent field work it makes sense to consider the need for spare ones.
- For occasional tasks in a smaller space, a range of over 100 m may be more than you need.
- If used frequently in the field, count on organizing the replacement of classic batteries.
- Since there is no Bluetooth connection, you will not be able to wirelessly transfer your measurements to your phone via this connection.
Source of editorial recommendations: general verifiable guidelines for product selection.
In practice
📐 Working over longer distances
🟢 Very suitable - the stated range of over 100 m is consistent with more demanding measurements, for which a shorter range would not be sufficient.
🏠 Occasional chores in a small space
🟡 Suitable with limitations – you can also choose the product for such tasks, but you may not be able to take advantage of its great reach.
🧰 Frequent field work
🟡 Suitable with limitations - classic batteries are replaceable, but if used frequently, it is a good idea to plan ahead to stock up on spares.
Answers to frequently asked questions
Can I transfer measurements wirelessly to my phone?
Not via Bluetooth, as it is not listed for this model.
Is the LR 1 laser receiver included in the kit?
Yes, the LR 1 laser receiver is listed as part of the kit.
Description updated: November 2026
Why buy from ENAA?
- The descriptions on ENAA are designed to be neutral and clear so that you can make an informed decision.