Description
testo 545 – Lux Meter
Scope of Delivery: testo 545, carrying bag, factory calibration certificate, 3 × AA batteries.
Simple, fast, and accurate measurement of illuminance (lux) for all common light sources in accordance with the V-lambda curve.
Key Features and Advantages
- Wide Range of Application: Compatible with LEDs (except single-color blue LEDs).
- testo Smart App: Quick configuration, graphical data history, second screen functionality, data storage, and measurement documentation.
- Acoustic Alarm: Audible signal when limit values are exceeded.
- Automation: Automatic calculation of time-based and point-based average values.
Illuminance is a key factor affecting performance, comfort, and health, particularly in workplaces. With the testo 545 lux meter, you can measure illuminance across all common light sources – quickly, easily, and accurately. The instrument is compatible with nearly all commercially available LEDs, offering versatile applications.
The testo Smart App perfectly complements the device, enabling intuitive operation and turning your smartphone into a second display.
Order No.: 0563 1545
Technical Data
Illuminance
| Measurement Range | 0 to 100,000 lux |
| Accuracy | Class C1) F₁ = 6% (V(λ) matching) F₂ = 5% (cosine correction) Total ≤ 15% MW ±3% of full scale ±1 digit |
| Resolution | 0.1 lux (< 10,000 lux) 1 lux (≥ 10,000 lux) |
| 1) According to DIN 5032-7 / EN 13032-1, Annex B | |
General Technical Data
| Weight | 288 g |
| Dimensions | Instrument: 149 × 60 × 28 mm Sensor: 134 × 54 × 23 mm |
| Operating Temperature | Instrument: -10 to +50 °C Sensor: 0 to +50 °C |
| Product / Housing Material | ABS+PC / TPE |
| Cable Length | 1.4 m |
| Protection Class | IP40 / IP20 |
| Battery Life | Approx. 70 hours |
| Battery Type | 3 × AA batteries |
| Storage Temperature | -20 to +50 °C |
