
Testo 540 Light Meter, 0-100,000 LUX
SKU: 540
Availability: 1 to 2 Weeks2 to 3 Weeks Testo 540 Offers This 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. The 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 p
Availability: 1 to 2 Weeks2 to 3 Weeks
Testo 540 Offers
This 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.
The 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.
Features
- 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
Testo 540 Specifications
| Storage temperature | -40 to +70°C |
| Operating temperature | 0 to +50°C |
| Battery type | 2 AAA micro batteries |
| Battery life | 200 h |
| Dimensions | 133 x 46 x 25 mm |
Lux |
|
| Measuring range | 0 to 99999 Lux |
| Accuracy | ±3 Lux ±3 % of mv (compared to reference Class B, DIN 5032 Part 7) |
| Resolution | 1 Lux (0 to 19999 Lux) 10 Lux (remaining range) |



