testo 540 Pocket Lux Meter

  • Sensor designed based on the spectral sensitivity of the human eye
  • Quick readouts
  • Protective cap for safe storage
  • Compact and robust design

The Testo 540 light meter is a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.

$226.60 inc. GST

UPC 4029547008283
SKU 0560 0540 Category
Sparky Tools


Product Description

The 540 Pocket Lux Meter can be used to measure both artificial and natural light and provides you with a quick and easy means of measuring lighting conditions in the workplace.

The testo 540 Pocket lux meter: compact, easy-to-use, precise

The Testo 540 Pocket Lux Meter is a compact entry level model designed specifically for carrying out spot checks in the workplace, shops and offices. The light sensor is designed based on the spectral sensitivity of the human eye and is ideal for measuring lighting conditions in a variety of different workplaces.

The compact, easy-to-use meter has a number of useful functions and features including a large, easy-to-read display, min/max values which can be shown at the touch of a button, a hold function that allows you to freeze the last reading and a protective cap for safe storage. 


Delivery Scope

Testo 540 lux meter, protective cap, protocol certificate, batteries



Testo is a world leader in the design, development, and manufacture of portable test and measurement instrumentation and solutions. Backed by 60 years of measuring engineering experience, our mission is to provide the best quality, service, and value in the industry. The company was founded in 1957 in Lenzkirch, in the Black Forest region of Germany.


Additional information

Weight .8 kg
Dimensions 30 × 20 × 10 mm



Measuring range

0 to 99999 Lux

0 to 9300 ftc


±3 Lux or ±3 % (compared to reference instrument at 90° light irradiation)


1 Lux (0 to 19999 Lux)

10 Lux (Remaining Range)

Measuring rate

0.5 s

General technical data


95 g (incl. batteries and protective cap)


133 x 46 x 25 mm

Operating temperature

0 to +50 °C

Protection class


Battery type

2 AAA micro batteries

Battery life

200 h (average, without display illumination)

Storage temperature

-40 to +70 °C

Data Sheet

Click to view data sheet

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