testo 540 – Light meter
- For quick ‘n easy measurements in the workplace
- Sensor is modelled on the spectral sensitivity of the human eye
- Hold function, min/max values
- Protective cap for safe storage
- For quick ‘n easy measurements in the workplace
- Sensor is modelled on the spectral sensitivity of the human eye
- Hold function, min/max values
- Protective cap for safe storage
The testo 540 light meteris a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.
S$304.11
*All prices include GST
4 in stock
Description
The testo 540 light metercan 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 lux meter: compact, easy-to-use, precise
The testo 540 light meteris a compact entry level model designed specifically 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 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
Technical Data
| Light | |
|---|---|
| Measuring range | 0 to 99999 Lux
0 to 9300 ftc |
| Accuracy | ±3 Lux or ±3 % (compared to reference instrument at 90° light irradiation) |
| Resolution | 1 Lux (0 to 19999 Lux)
10 Lux (Remaining Range) |
| Measuring range | 0.5 s |
| General technical data | |
| Weight | 95 g (incl. batteries and protective cap) |
| Dimensions | 133 x 46 x 25 mm |
| Operating temperature | 0 to +50 °C |
| Protection class | IP40 |
| Battery type | 2 AAA micro batteries |
| Battery life | 200 h (average, without display illumination) |
| Storage temperature | -40 to +70 °C |
Applications
IAQ measurements in the field of air conditioning and ventilation
- High-precision, location-independent and built-in differential pressure sensor, smart and intuitive measurement programs for IAQ measurements in accordance with the standards, creation of documentation on site, e-mailing of reports, versatile combination options with IAQ probes
IAQ measurements in the field of air conditioning and ventilation
Custom-combine your Testo IAQ measuring instrument with IAQ probes and accessories for your application.
- Air flow measurements: Flow measurements in ducts, at outlets and on filters as per EN ISO 12599 and ASHRAE 111
- Comfort level measurements: Measurement of indoor air quality or turbulence as per EN ISO 7730 and ASHRAE 55, NET measurement as per DIN 33403, PMV/PPD as per EN ISO 7730 and ASHRAE 55, WBGT measurement as per DIN 33403 and EN ISO 7243
- Measurements in laboratories and cleanrooms: Flow measurements in fume cupboards as per DIN EN 14175-3/-4, differential pressure measurements and laminar flow measurements in cleanrooms, humidity measurements in cleanrooms
