Company Profile
The LD8911A light meter is designed with a separate light sensor probe which is composed of silicon photodiode with spectral response filter and cosine correction element. It provides high precision measurements on solar irradiance and various types of artificial lighting including LED lights.
The Light Meter is fully tested and calibrated in the factory before delivery. With proper use, it will provide years of reliable service.
Features:
Digital Data with Analog Bar-graph dual display
Light sensor detection meets C.I.E.V(λ) norm
Auto-ranging
Wide measurement range: 0~400,000Lux
High accuracy and fast response
Data hold
MAX/MIN
Peak value and lock function
Relative value
Lux/Fc units selectable
Data logger function
Auto power off in 10mins if without operation
Specifications:
LC-Display |
3-3/4 digital LCD (3999) with Analog bar-graph |
Spectral response |
CIE Photopia(CIE Eye response curve), Cosine Correction |
Accuracy |
± 3 %(calibrated at 2854 °K with incandescent) ± 6% Other visible light sources |
Sampling rate |
4 times/second (digital display) |
Repeatability |
±2% |
Photoelectric detector |
Silicon photodiode with spectral response filter |
Peak hold |
Capture the Peak light intensity of the shortest 10µS |
Low bat. indication |
Battery icon appears when the battery voltage is lower than normal working voltage. |
Operation condition |
Temperature: -10 ~ 50°C, Humidity:< 80%RH relative humidity |
Storage condition |
Temperature:-20 ~ 50°C, Humidity:< 80% relative humidity |
Dimension |
Main body:160*58*33mm Sensor probe:102*60*25mm |
Weight |
Appr. 300g (including battery) |
Power supply |
9V 6F22 or 9V IEC 6LR61 |
Packaging & Shipping
FAQ
Q1: Can I place sample order first?
A1: Yes, we will quote you different prices for small, medium and large qty. You can order with different price for different qty.
Q2: How could I pay them?
A2: For your utmost convenience, we mainly accept PayPal, Western Union, and T/T. Just inform us of your preferred payment method, and we shall promptly provide our bank details. We are also eager to meet any particular requirements you might have.
Q3: How do I place an order?
A3: Placing an order with us is refreshingly simple. You can send your purchase order via email, Trade Manager, or Skype. Additionally, you can request a Proforma Invoice directly from our team for a smooth and seamless transaction.
Q4: When will I receive my order?
A4: We focus on swift efficiency. Sample orders are typically produced and shipped within 2-3 working days. For bulk orders, the timeline ranges from 5-20 working days, depending on your unique design needs.
Q5: How will the products be shipped to us?
A5: For prompt and reliable delivery, we primarily utilize trusted carriers such as DHL, UPS, and FedEx, ensuring your products arrive quickly and safely.
Q6: Can you customize products according to our designs and include our logo?
A6: Absolutely! We provide both standard and tailored options, perfectly integrating your logo as per your request. Our skilled R&D team is ready to address any technical queries, and ODM/OEM projects are enthusiastically welcomed.