Head to head

Bosch GLM165-27CGL vs Hultafors HDL 20

Our pick

Bosch GLM165-27CGL

Handheld Laser Distance Meters

Why this one

The Bosch GLM165-27CGL pairs a green beam with Bluetooth for transferring readings to a compatible app.¹²

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Product photographs. Not to scale.

What Hultafors HDL 20 offers

Choose the backlit readout and straightforward length, area and volume functions for room measurements, with replaceable AAA batteries.³⁴

What differs

Specification	Bosch GLM165-27CGL	Hultafors HDL 20
Beam color	Green¹	Red⁴
Display	Color LCD¹	backlit display³
Measuring functions	11 different measuring functions¹	1. Length measurement 2. Area measurement 3. Volume measurement 4. Continuous measurement⁴
Power source	Aa or rechargeable pack²	Aaa batteries⁴
IP rating	IP65¹	IP42⁴

More details

Specification	Bosch GLM165-27CGL	Hultafors HDL 20
Range	Up to 165 ft¹	≈65.6 ft (20 m) (Environment: 100% reflectivity of the target (e.g. a wall painted white), low background lighting, and 25°C operating temperature.)⁴
Accuracy	≈0.063 in (1.6 mm) (Environment: Typical measurement conditions)²	≈0.0787 in (2.0 mm) (Environment: 100% reflectivity of the target (e.g. a wall painted white), low background lighting, and 25°C operating temperature.; Workload: Accurate from 0.05–10 m.)⁴
Bluetooth	Yes²	Not published
Inclinometer	Yes⁵	Not published

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