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TES-1337B Lux Intensity Meter

TES-1337B Lux Intensity Meter is a precise and easy-to-use device for accurate light intensity measurement, suitable for tunnel illumination, street lighting, and general lighting assessments.

  • High-precision lux measurement with automatic ranging
  • Dual 4-digit LCD display for clear and fast readings
  • Silicon photodiode sensor with memory for up to 99 readings
  • Portable and user-friendly, includes carrying case and simple calibration function

Description

The TES-1337B Lux Intensity Meter is a high-precision instrument engineered for accurate and reliable measurement of light intensity across a wide range of applications, including tunnel illumination, street lighting, workplaces, and public facilities. Featuring a dual 4-digit LCD display with automatic ranging, it delivers fast response times and clear, easy-to-read results even in challenging lighting conditions. The high-quality silicon photodiode sensor ensures excellent accuracy and consistency, making it suitable for professional lighting assessments and compliance checks.

Designed with portability and ease of use in mind, the TES-1337B includes data memory for up to 99 readings, allowing users to store and review measurements efficiently. Its lightweight, handheld design, combined with a simple calibration function, enhances convenience for field and on-site measurements. Supplied with a protective carrying case and batteries, the TES-1337B offers a complete, user-friendly solution for precise light intensity monitoring in both indoor and outdoor environments.

 

Features

  • Applications include tummel illumination and street lighting.
  • Brightness (cd) = Lux x Distance Function for Spectral Correction Factor 2, including LED
  • Function for user calibration (CAL).
  • 4-digit LCD reading with a dual display.
  • Aspect ratio close to the CIE photopic curve.
  • Assessing Levels ranging from 0.001 to 20.00 Kfc and 0.01 to 200.0 Klux automatic five-step
  • Quick and accurate response.
  • Measurement of luminance.
  • Data Hold operation
  • Data memory and reading capabilities.
  • Using the point-average function
  • automatic power-off feature

Specifications

 

Specification Details
Display Dual display, 4-digit LCD readout
Measuring Range Lux: 50.00 / 500.0 / 5000 / 50.00K / 200.0K luxFoot-candle: 5.000 / 50.00 / 500.0 / 5000 / 20.00K fcAuto ranging (5 steps)(1 fc = 10.76 lux)
Overrange Display “OL” displayed
Resolution 0.01 lux, 0.001 fc
Accuracy ±3% rdg ±5 dgt (calibrated to standard incandescent lamp, 2856 K)
CIE Photopic f′1 ≤ 6%
Temperature Characteristics ±0.1% per °C
Measuring Rate Approx. 5 times per second
Photosensor Silicon photodiodes
Data Memory Capacity 99 sets (direct reading from LCD display)
Operating Conditions 0°C – 50°C, <80% RH
Storage Conditions -10°C – 60°C, <70% RH
Power Source 6 × AAA batteries
Battery Life (Typical) Approx. 100 hours
Photosensor Lead Length Approx. 150 cm
Photosensor Dimensions 100 (L) × 60 (W) × 27 (H) mm
Instrument Dimensions 150 (L) × 72 (W) × 33 (H) mm
Weight 320 g
Accessories Carrying case, instruction manual, batteries

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