Testo 540 - Global Instruments

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Testo 540

Category: SOUND & LIGHT

Model: Sound & Light

Avaibility: AVAILABLE

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Datasheet

Description
Specification

Sensor adapted to spectral sensitivity of the eye
Hold-function and max./min. values
Display illumination

The sensor in the testo 540 is adapted to the spectral sensitivity of the eye. This makes the testo 540 ideally suited to the measurement of light intensity at workplaces.

The hold-function allows the comfortable readout of the measurement values. Max. and min. values are displayed at the press of a button. The clip-on protective cap, wrist strap and belt holder ensure safekeeping of the instrument. testo 540 is very handy, small and easy to operate.

Technical data / Accessories

Sensor type	Silicone photodiode
Measuring range	0 to 99999 Lux
Accuracy ±1 digit	±3 lux or ±3 % of m.v. (Compared to reference instrument at 90° light irradiation)
Resolution	1 Lux (0 to 19999 Lux) 10 Lux (remaining range)

General technical data
Measurement rate	0.5 s
Storage temperature	-40 to +70 °C
Protection class	IP40
Operating temperature	0 to +50 °C
Battery type	2 AAA micro batteries
Battery life	200 h (average, without display illumination)
Dimensions	133 x 46 x 25 mm
Weight	95 g (incl. batteries and protective cap)