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testo 540 - Light meter

Order-Nr.  0560 0540

  • For quick and easy measurements in the workplace

  • Sensor based on the spectral sensitivity of the human eye

  • Hold function, min/max values

  • Protective cap for safe storage

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

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Product Description

The testo 540 lux meter can be used to measure artificial and natural light in the workplace.

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

The testo 540 entry-level light meter is designed for carrying out spot checks in the workplace, shops, and offices. The light sensor is modelled on the spectral sensitivity of the human eye, and is ideal for measuring lighting conditions in the workplace.
This compact, easy to use meter has a number of useful functions and features, including a large, easy to read display, min/max values, a hold function, and a protective cap for safe storage.

 

Delivery Scope

testo 540 light meter, protective cap, certificate of conformity, and batteries
Light

Measuring range

0 to 99999 Lux

0 to 9300 ftc

Accuracy

±3 Lux or ±3 % (compared to reference Class B, DIN 5032 Part 7)

Resolution

1 Lux (0 to 19999 Lux)

10 Lux (Remaining Range)

Measuring rate

0.5 sec
General technical data

Dimensions

5 x 2 x 1 in. / 133 x 46 x 25 mm

Operating temperature

32.0° to 122.0 °F / 0 to +50 °C

Protection class

IP40

Battery type

2 AAA batteries

Battery life

200 h (average, without display illumination)

Storage temperature

-40.0° to 158.0 °F / -40 to +70 °C

Weight

3 oz. (incl. batteries and protective cap) / 95 g (incl. batteries and protective cap)