testo 545 - Light intensity measuring instrument with data storage

Special Price 37673.00


The testo 545 light meter allows you to measure the light intensity at the workplace quickly and easily – and to save the readings for future documentation and analysis.

  • Precise light intensity readings in lux
  • Large memory for up to 3 000 readings
  • Selective or time-based averaging
  • Measuring site management with optional software: up to 99 measuring sites available

Product Description

The testo 545 light meter for natural and artificial light comes with a permanently attached light sensor that allows you to measure the light intensity in the workplace, offices, schools and hospitals both quickly and reliably. The optional software can be used to compile a light profile from the light intensity readings.

Quick glance at the benefits of testo 545 light meter

The testo 545 light intensity meter can be used to carry out selective as well as long-term light intensity measurements. It has a built-in data logger which can save up to 3,000 readings and can be used to perform both selective and time-based averaging. The optional testo turbo printer also allows you to print out measuring data while you are on site.

The optional PC software allows you to set up up to 99 measuring sites, allocate the readings to the relevant measuring sites and connect individually saved readings to form a curve. The light profile obtained from such data provides you with a picture of the uniformity of the lighting.

Delivery Scope

testo 545 light meter with permanently attached sensor, calibration certificate, batteries.

Measuring range 0 to 100000 Lux
Accuracy Accuracy to DIN 13032-1: F1 = 6 % V (Lambda) adaptation F2 = 5 % cos like rating Class C according to DIN 5032-7
Resolution 1 Lux (0 to 32000 Lux) 10 Lux (0 to 100000 Lux)
General technical data
Dimensions 220 x 68 x 50 mm
Operating temperature 0 to +50 °C
Housing ABS
Warranty 2 years
Battery type 9V block battery
Battery life 50 h
Connection Fixed cable, coiled
Display type LCD
Display size 2 lines
Data transfer RS232 cable connects instrument to PC (1.8 m) for data transfer
Memory 3,000 measuring values
Storage temperature -20 to +70 °C
Weight 500 g