Description
The Testo 545 is a high-precision digital lux meter engineered for rigorous photometric analysis and illuminance verification in professional environments. Designed with Original Engineering standards, this photometer ensures compliance with DIN 5032-7 Class C requirements, delivering reliable light intensity measurements across diverse industrial and commercial settings. The integration of Bluetooth connectivity allows seamless synchronization with the Testo Smart App, facilitating real-time data logging, configuration, and reporting directly from a mobile device.
Technical Specifications:
Measuring Range: 0 to 100,000 Lux
Accuracy: ±3% of measuring value ±1 digit
Resolution: 0.1 Lux (0 to 9,999.9 Lux) / 1 Lux (10,000 to 100,000 Lux)
Operating Temperature: -10 to +50 °C
Storage Temperature: -20 to +50 °C
Battery Type: 3 x AA (1.5V)
Battery Life: 70 hours
Weight: 288 g
Dimensions: 135 x 60 x 28 mm
Protection Class: IP40 (Instrument) / IP20 (Probe)
Connectivity: Bluetooth 5.0
Standard Compliance: DIN 5032-7 Class C
Sensor Type: Silicon photodiode with V(lambda) filter
System Architecture and Integration:
The Testo 545 features a highly stable silicon photodiode sensor equipped with a V(lambda) filter, ensuring spectral sensitivity that precisely matches the human eye. The device calculates time and point average values automatically, streamlining the evaluation of workplace illumination. Technical Compatibility is maximized through the Testo Smart App, which enables users to generate PDF or CSV reports on-site, track historical data, and integrate findings into broader facility management systems without secondary data entry.
Industrial Application:
This digital lux meter is critical for occupational health and safety officers validating workplace lighting to prevent eye fatigue and ensure regulatory compliance. It is highly effective in cleanroom environments, precision manufacturing floors, and surgical suites where specific lux thresholds are mandatory for operational integrity and quality control.
Procurement and Lifecycle:
With a predictable Lead Time optimized for global distribution, the Testo 545 provides immediate value for facility maintenance and engineering teams. Its robust ABS housing and low-drift sensor guarantee long-term reliability and minimal calibration drift over its operational lifecycle.
Key Attributes
Resolution: 0.1 LUX
Sampling Rate: 4 Times/Second
Spectral Bandwidth: None
Type: Lux Meter
Place of Origin: China
Light Source: Halogen Lamp
Operating Temperature: -10 °C ~ 50 °C
Repeatability Test: ±1%
Model Number: 545
Brand Name: Testo
Display Type: LCD
Measuring Range: 0 to 100,000 lux
Measurement Parameters: Lux, fc
Protection Class: IP20
Housing Material: ABS + PC/TPE
Packaging and Delivery
Selling Units: Single item
Single package size: 40X26X15 cm
Single gross weight: 1.600 kg
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