High Precision LS183 Spectrum Transmission Meter Tint Tester



LS183 spectrum transmission meter is primarily designed for testing the optical properties of materials such as heat-insulating coatings, single-layer glass, laminated glass, film-coated glass, PMMA, PC, and more. It can simultaneously measure ultraviolet, infrared, and visible light transmittance. The instrument features a parallel light path design, with a testing slot width of 47mm, ensuring accurate data even for thick materials. It has a large LCD display and offers a choice of three different display interfaces via a DIP switch. A support pillar is included for convenient reading when tilted.


1. It can simultaneously measure ultraviolet, infrared, and visible light transmittance.

2. Simple operation, just put materials into test slot, screen immediately displays the test results.

3. Parallel optical path design, slot aperture of 47mm, can easily test large thickness materials.

4. Large LCD display with DIP switches to select three different display interfaces.

5. It has real-time dynamic self-calibration function, automatically calibrated to 100% after power on, to start test.

6. A support pillar is included for convenient reading when tilted.

7. Suitable for testing the optical performance of insulation coatings, laminated glass, PMMA, PC and other materials.


1. UV peak wavelength: 365nm

2. IR peak wavelength: 940nm

3. Visible light peak wavelength: 380nm-760nm (conform to CIE photopic luminosity function)

4. Resolution: 0.1%

5. Measurement accuracy: ±2%( colorless and uniform transparent materials)

6. Test sample thickness: < 47mm

7. Dimension: 216 mm * 134 mm * 29 mm (L*W*H)

8. Test slot dimension: 47mm * 91 mm(W*H)

9. Weight: about 590g

10. Power supply: DC5V/1A

Packing List

1. LS183 Spectrum Transmission Meter*1

2. DC5V Adapter*1

3. User Manual*1

4. Certificate / warranty card*1

5. Support pillar*1

Free Shipping

Under normal circumstances we offer free shipping on all orders, you will see the free shipping option in your cart at checkout. There is no choice of carrier for free shipping, but typically we will ship your order will likely ship using either USPS or FedEx. Full Shipping Policy

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). Full Returns Policy

When Will My Order Ship?

For Standard Shipping, we aim to pack and ship out your order within 3 business days. During special periods, such as heavy order processing or local inventory shortages that require deployment, please expect it to take an additional day or two for processing.
We ship five days a week, Monday through Friday. Sometimes our mail pickup comes in early afternoon, so tracking for orders shipped later that day may not update until the following business day.
You will receive a shipment confirmation with tracking information via email when your order has shipped. Once you receive this email, we cannot change or cancel your order.

Can I Change The Shipping Address On My Order?

Please contact us immediately via email if you realize that you gave us the wrong shipping address — if it hasn't shipped yet, we might be able to correct it before it goes out the door.
If your order ships to the address provided and is returned to us as undeliverable, then you are responsible for paying the cost of shipping again to resend it to you. If you decide you do not want your order reshipped, we'll refund you for the products less the original shipping charges, once your order returns to our warehouse. We'll reach out to you to coordinate your options before re-shipping.
If your order ships to an incorrect address provided at the time the order is placed and is not retrievable, we are not responsible and cannot offer reimbursement.

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High Precision LS183 Spectrum Transmission Meter Tint Tester
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