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The Kapro K7 is a compact and fast laser rangefinder that measures distances from 0.05 to 100 meters with a single touch. The internal processor directly calculates lengths, areas and volumes, and the multi-point Pythagoras functions allow you to determine heights and hard-to-reach dimensions when there is no straight line.
Bluetooth connectivity transfers measurements to a mobile app or project management system. This simplifies documentation, reduces typing errors, and speeds up site measurement reporting. The device also supports continuous measurement (tracking) and min/max value search, which is useful for example in the installation dimensions of furniture, moldings, and openings.
The K7's backlit display is easy to read in bright indoor environments and low light. The IP54-rated housing protects against dust and splashes, and the rubber-coated housing provides a firm grip. An automatic power-off feature conserves battery life, and the device remembers the last measurements, making repetitive tasks faster.
Functions include single measurement, continuous measurement, min/max search, distance addition and subtraction, area and volume calculation, and 2-3 point Pythagoras height calculation. Units can be selected from meters, feet, or inches, and the stern/bow measurement can be switched as needed.
Intended use:
Construction and renovation projects – Quickly measure rooms, check openings and lines, measure trim and layout. Continuous measurement and min/max search make it easy to find the “right spot” without having to mark.
Electrical/HVAC and furniture sizing – Route lengths, risers and equipment enclosures are measured with a single tool. The Pythagoras function allows heights to be determined without a lift when reference distances are available.
Property maintenance, planning and quotation calculation – Area and volume calculation directly produces quantities for painting, flooring and HVAC needs. Bluetooth transfers measurements to systems, reducing manual entry and errors.
Internal dimensioning and documentation – Unit switching (m/ft/in), memory function and backlight make the device a smooth partner for inventories and documentation.
Package contents:
Kapro K7 Bluetooth laser rangefinder (100 m)
Carrying bag / belt holster
Wristband
2 × AAA battery (alkaline)
Quick start guide / user manual
Features:
Measurement range: 0.05–100 m — covers general indoor measurements and long distances in corridors/halls.
Accuracy: up to ±1.5 mm — enables precise installation and calculation work without repeat measurements.
Bluetooth connectivity: Data transfer to measurement applications — reduces manual logging and errors.
Pythagoras functions: Calculating the height/distance of 2–3 points — when there is no direct line of sight.
Area & volume: m²/m³ calculation — directly on the device for quantity and quote calculation.
Continuous measurement & min/max: Tracking mode — “picking” the right distance by sliding.
Memory: Retrieve recent measurements — speeds up repetitive tasks (e.g. 20–50 values typically).
Units: m, ft, in — flexible reporting and communication with drawings.
Stern/bow measurement: Switchable reference point — measure from the corner or the bow of the device.
Display: Backlit — readable even in dim light and bright indoor environments.
Protection: IP54 — dust and splash protection for construction site conditions.
Laser: Class 2 (red) — visible beam that meets safety standards.
Power: 2× AAA — widely available, auto-off extends battery life.
Mounting: 1/4" tripod thread — measure long distances stably on a tripod.
Operating temperature: -10…+50 °C — typical indoor construction site conditions.
Kapro K7 user manual:
Commissioning – Insert batteries, turn on the device and select the unit (m/ft/in). Select the reference point (bow/stern) according to the measurement target. Single measurement – Aim the laser at the target and press the measurement button. The distance is displayed; save if necessary. Continuous measurement (tracking) – Keep the measurement running and move the device; the min/max value helps to find the nearest/farthest point. Surface and volume – Measure the sides in order; the device automatically calculates m²/m³. Pythagoras – Select a 2/3-point program, aim the points in order and confirm; the device calculates the missing dimension. Bluetooth – Activate the connection in the settings and connect to the app; the measurements are automatically transferred to the field reports. Maintenance – Wipe the optics with a soft cloth, avoid solvents. Change the batteries in time. Store in a dry place in the case.
Warnings:
Class 2 laser: do not look directly into the beam or its strong reflections.
Make sure the beam is not pointing at bystanders. Use a tripod at long distances to reduce measurement errors.
Do not use in potentially explosive atmospheres.
IP54 is not immersion protection; avoid heavy rain and pressure washing.
Remove batteries for long-term storage.
Always follow the safety instructions on the job site.
Frequently Asked Questions, FAQ:
How accurate is the K7? Typical accuracy up to ±1.5 mm in normal indoor use.
Can I measure height without a direct line of sight? Yes, with Pythagoras functions you can get height from two or three diagonal distances.
How to use Bluetooth? Activate Bluetooth on your device and connect to a compatible app; measurements will be transferred automatically.
Does the device work outdoors? Yes, but visibility in bright sunlight is reduced. Use a tripod and target surface; measurement range up to 100 m.
What batteries are recommended? 2 × AAA alkaline batteries; lithium AAA works better in cold weather.
Recycling instructions:
Device: Waste Electrical and Electronic Equipment (WEEE) — dispose of at an approved collection point.
Batteries: Please take batteries to separate collection points; do not dispose of them with household waste.
Packaging: Sort cardboard and plastic according to local guidelines.
Laser rangefinder Kapro K7 Bluetooth 100 m
€179,95 EUR
Taxes included.
Shipping calculated at checkout.
