---
product_id: 732075607
title: "UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test"
brand: "quantadose"
price: "₨16121"
currency: LKR
in_stock: true
reviews_count: 5
category: "Quanta Dose"
url: https://www.desertcart.lk/products/732075607-uvc-light-test-card-with-uvc-light-wavelength-indicator-photochromic
store_origin: LK
region: Sri Lanka
---

# Multi-wavelength UV analysis UVC-specific fluorescence indicator 15-second rapid test UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test

**Brand:** quantadose
**Price:** ₨16121
**Availability:** ✅ In Stock

## Summary

> 🟢 See the unseen: Verify your UVC sterilization in a flash!

## Quick Answers

- **What is this?** UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test by quantadose
- **How much does it cost?** ₨16121 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/732075607-uvc-light-test-card-with-uvc-light-wavelength-indicator-photochromic)

## Best For

- quantadose enthusiasts

## Why This Product

- Trusted quantadose brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Sensor Technology:** Top sensor fluoresces green for optimal UVC sterilization (250-270nm), bottom sensor shifts purple proportional to UV dose.
- • **Cost-Effective & Durable:** Affordable alternative to expensive UV meters, built with robust PLA, PE, and PS materials for reliable in-house testing.
- • **Broad Spectrum UV Detection:** Sensitive to UVA, UVB, and UVC wavelengths (200-400nm) for comprehensive UV monitoring.
- • **Instant UV Strength Readout:** Get precise UV intensity results in just 15 seconds—no waiting, no guesswork.
- • **FOMO-Proof Your Sterilization:** Ensure your UVC devices meet CDC sterilization standards—don’t risk ineffective disinfection or counterfeit products.

## Overview

The QuantaDose UVC Light Test Card is a fast, reliable, and cost-effective tool designed for professionals to visually measure UV intensity and verify optimal UVC sterilization wavelengths (250-270nm). Featuring dual photochromic sensors, it provides real-time colorimetric feedback within 15 seconds, detecting UVA, UVB, and UVC light strength with precision. Its durable construction and easy-to-read fluorescence make it an essential device for ensuring effective disinfection and compliance with CDC guidelines, all without the need for expensive electronic meters.

## Description

Product Description QuantaDose Dual Wavelength Multi-Strip UVC Test Card measures UV strength with a very special analysis for broadband photochromic UV dosage measurement combined with a narrow-bandwidth fluorescent indicator to test optimal UVC sterilization wavelength. QuantaDose UVC test cards are a basic, reliable, low-cost, simple, in-house way way to monitor UV intensity. It also ensures that optimal UVC sterilization light wavelengths are used in the disinfection process without spending hundreds of dollars on fragile UV and UVC light meters. QuantaDose provides real-time results for ultra-fast verification and verification purposes, avoiding the growth of fakes and defective UVC light products on the market today. QuantaDose has created a specially formulated ink chemistry, which is only sensitive to optimal sterilization UVC without visible light or fluorescence on UVA and UVB rays. This means only the sterilization wavelengths of 250-270nm will be displayed in bright green. Top Light Sensor Test Wavelength: When exposed to an optimal UVC sterilization wavelength, QuantaDose test card will instantly turn green Fluorescence directly relates to the wavelength of the energy value received Fluorescent will stop when the excited electronic emits all photos within nano-seconds after exposure. Bottom Light Sensor Test Strength with UV Exposure: When exposed to UVA, UVB, and UVC wavelength, QuantaDose test card gradually changes color from clear to light purple in seconds and displays "ULTRAVIOLET" in approximately 300μW/cm² UVC and directly related to dark purple 3000μW/cm² UVC. Energy value received The color of the temporary photochromic dosmeter is used to check the intensity after exposure and should be checked immediately after exposure to get the most accurate strength results. Test is completed in 15 seconds and remove the card from the source. Directions To use QuantaDose UVC Light Test Card, expose card to UVC light. To determine the intensity of the UVC light, observe the color change in the UV exposure of the top light sensor test wavelength. The color changes directly related to the energy value you receive. In addition, watch the color changes in UV exposure on the bottom of the light sensor test to determine the energy value you will receive. Color changes occur from clear to light purple, with UVC of approximately 300μW/cm² shows "ULTRAVIOLET" and dark purple appears on UVC of 3000μW/cm². The color of the temporary photochromic dosmeter should be checked immediately after exposure to get the most accurate strength results. Test is completed in 15 seconds and then the card must be removed from the source P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Legal Disclaimer UV/UVC dosimeter/indicator cards are intended only for visual reference of UV/UVC irradiation and are not substitutes to microbiological tests to verify contamination or disinfection. Noticeable color changes in low dose areas less than 253.7 nm UVC begin to occur at 300 microwatts/square meter [µW/cm²]. If you do not see a color change that shows "ULTRAVIOLET" on the bottom of the Quantadose test card. Please check the UVC light source as the indicator on the top is green and may not reach the level of sterilization strength required by the CDC guidelines. QuantaDose™ color change starts with the strength of 300μW/cm² UVGI and reaches cumulative exposure within 5 minutes, as seen on Intellego Technologies American Ultraviolet's UVC dosmeter. With a UVC strength of approximately 3000μW/cm² 253.7nm, QuantaDose achieves the highest color intensity in less than 15 seconds. When checking for effective UVGI strength from consumer grade UVC lighting products, it is important that both QuantaDose indicators have visible color differentiation. See CDC guidelines https://www.cdc.gov/coronavirus/2019-ncov/hcp/ppe-strategy/decontamination-respirator.html reusable QuantaDose™ UVGI test card life associated with light degradation that may affect the accuracy of the visualization of strength. Calibration can be done using the known UVC strength and distance. The easiest way is to check the color change with a 1" 3-watt bulb. An important determination factor is the cumulative exposure to UV rays, not the number of times the photocromic material circulates during exposure. It is also important to the environment where the material finds itself Keep QuantaDose™ UV test cards dry without being exposed to UV rays See more

Review: Very useful for checking whether lamps emit UV-C and after long periods of operation.
Review: works as expected

## Features

- Multi-analysis ingredients provide fast chromatic analysis data for UV/UVC testing
- Photochromic dosmeter strips use 200-400nm UVA/UVB/UVC sensitive analysis
- UV Dosmeter Color Strip Concentration is proportionate to UV strength (the stronger the darker the color)
- The color intensity of the UV dosmeter is proportionate to the maximum UVA UVB and UVC wavelengths (short wavelengths equal to bright color)
- UVC photoluminescent detection technology displays a temporary fluorescence of 250-270nm when directly exposed to optimal sterilized UVC light wave

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Quanta X Technology LLC |
| Part number | QXT0012020QD |
| Item Weight | 5 g |
| Package Dimensions | 12.1 x 8 x 1.4 cm; 5 g |
| Material | PLA (polylactic acid), PE(polyethylene), PS (polystyrene) |
| Batteries Included | No |
| Batteries Required? | No |

## Product Details

- **Brand:** QuantaDose
- **Recommended Uses For Product:** UVC light test and verify
- **Manufacturer:** Quanta X Technology LLC
- **UPC:** 850021473006
- **Global Trade Identification Number:** 00850021473006

## Images

![UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test - Image 1](https://m.media-amazon.com/images/I/41lanrTCXpL._SX38_SY50_CR,0,0,38,50_.jpg)
![UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test - Image 2](https://m.media-amazon.com/images/I/510bY0dRGiL._SX38_SY50_CR,0,0,38,50_.jpg)
![UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test - Image 3](https://m.media-amazon.com/images/I/51UmxP+Y-cL._SX38_SY50_CR,0,0,38,50_.jpg)
![UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test - Image 4](https://m.media-amazon.com/images/I/51WfH+eyTCL._SX38_SY50_CR,0,0,38,50_.jpg)
![UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test - Image 5](https://m.media-amazon.com/images/I/61+i3a0k8gL._SX38_SY50_CR,0,0,38,50_.jpg)

## Questions & Answers

**Q: What is the difference between this card and 2nd gen quantadose uvc light test card ?**
A: Hello Mozart,

The most important differences between the 1st and 2nd edition QuantaDose™ UVC test cards pertain to usage of high power UVC industrial-grade PPE disinfection equipment.   
 
2nd Edition Differences: 

1) More Resilient PVC prevents aging/tanning when using high power UVC   

2) Higher card to analyte contrast for better visualization of WPV (Word Power Visibility) when the calibrated minimum intensity point of 300 µW/cm² is reached when under 85% 253.7 nm with most of the remaining light energy peaking at 315 nm. Commonly referred to as the mercury line because this is the spectrum from low-pressure mercury lamps commonly used in the most trustworthy UVGI disinfection processes around the world.   

3) Added UVC/UVB Color Scale Differential because it is important anyone using photochromatic analytes to visualize UV/UVC intensity understands that shorter wavelengths like UVC 200-280nm don't penetrate the analyte used for UV intensity measurements as deeply as UVA or UVB which causes UVC to display a lighter color for a higher intensity wavelength.   

The lighter analyte color when testing UVC is precisely the reason for the inverted word ” ULTRAVIOLET” first becoming legible during exposure to optimal UVC germicidal wavelengths while the color concentration is still light at 300 µW/cm² yet the word ”ULTRAVIOLET” is clearly visible in both UVC test card editions. 

4) Batch numbers are printed on all 2nd edition UVC test cards for unprecedented quality control over the reliability and accuracy of photochromic materials used in manufacturing QuantaDose™ UVC test cards.  

5) Questions about how to test a UVC light? The purchase of a 2nd edition QuantaDose™ gives you easy access to our world-class toll-free technical support line which is printed on the back of the UVC test card so QuantaDose™ customers can consult directly to highly trained engineers in the USA to answer questions on the best ways to test different UVC devices and how to interpret UVC wavelength and intensity results.  

1st and 2nd edition QuantaDose™ cards both perform the same for general UVC analysis. The added durability of this 2nd Edition was designed for higher power commercial use.    

1st edition QuantaDose™ UVC test card customers also have access to our world-class toll-free technical support line available on our Amazon sellers account page.   

1st edition QuantaDose™ cards also work for gauging the SUN’s UV intensity so you can take necessary precautions such as sunscreen or shade, different design considerations were used as we expect the purchase for testing a single consumer-grade UVC lighting product limited the use case of the specialized photochromic UV analyte.

Besides the differences above, the professional 2nd edition design provides clear instructions on the two-step UVC testing process on the front of the card.  

The 1st edition provides a design for multiple uses for UVC light testing and/or use it for a UVA/UVB sun index card for maximum usefulness for end consumers in non-commercial UVC environments. 

Blessings,
Interim CEO Katie Webb 
Quanta X Technology LLC
Toll-Free Support: See Sellers Page

**Q: My uvc lights do not show uvc on the quantadose card only the ultraviolet shows on the bottom are they phonys ?**
A: First, let us make sure you aren’t assuming the UV-C indicator remains glowing after it is removed from the light source.  The UVC indicator will only glow when exposed to direct UV-C light.

Remember, you must always protect your eyes and skin from UV irradiation and follow the light manufacturers’ guidelines when operating the device for safe usage in close proximity to any UV source.

As long as there is no misunderstanding of how step 1 works.  The short answer, if these UVC lights were marketed to you as UVC germicidal lights, then YES, they are 100% phonies. 

All UVC wavelengths between 222 nm and 280 nm will cause a reaction that makes the letters UV-C glow, but it's way worse than a phony UVC light because, at this stage of the pandemic we are in today, as variants cause a lot of uncertainty!

Nine months ago, QuantaDose was in full swing, and it was a wave of new companies entering into the UVC business trying to figure out how to measure UVC effectiveness that made up a large part of our call volume.

This dynamic has changed dramatically. We now get calls from patients still laying in their hospital beds, recovering from weeks in the ICU, gratefully looking forward to going home in the coming days, unlike so many that walked through the same doors.

However, their lives won't be the same; when these COVID survivors return to their communities, homes, and workplaces, they will not be taking their safety for granted anymore as they plan their decisive pandemic countermeasures while awaiting a doctor's discharge from their life-saving medical care.

Let’s look at a QuantaDose card and show the different Step 1 results under several light conditions to put the UVC, mixing UV light and the absence of UV light into a wavelength that we can all see with our own eyes to spot any UV deception. 

I have several different wavelengths here, UVC bulbs and several UV/UVC LEDs, to mix with UVC to validate other wavelengths of light interference in Step 1 UV-C testing. 

Now we will take some video footage of the UV-C indicator to demonstrate how different indicator colors can provide useful data on the wavelengths of irradiation being emitted from a UV device.  The video covers many of the color and wavelength possibilities encountered with step 1 UV-C indicator.  Using 3 different UV meters, we validated the QuantaDose to indicate wavelength, intensity and calculate dose with distance over time.

**Q: So if my uvc light takes 5 minutes to show the word ultraviolet, it's intensity is around 20 times less than 300 uw/cm^2?**
A: Please don’t leave the QuantaDose test card exposed to a UV source for 5 minutes. The QuantaDose UVC test card is designed for rapid intensity testing (15-second result), prolonged exposure will cause photodegradation effects to photochromic analyte.

There are three main types of UVC test cards on the market today. With the three of them come three very important and very distinctive differences between these UVC measurement cards. Measurements of these three aspects of UVC radiation include its intensity, accumulative dose, and optimal UVC wavelength which are all critical detection factors of knowledge that will aid in the best UVC disinfection process.

1) UVC dosage test card
Function: Measures Accumulative Dose (one time use) Very effective, and expensive for single use.

SINGLE USE! A UVC measurement card designed for testing prolonged dosage exposure (say 5 minutes or more) is a UVC Dosimeter Test Card, these are your typical irreversible medical-grade UVC test cards rated at 25/50/100 mJ/cm². These cards provide a final confirmation of an adequate UVC power level reaching a surface over the entire time of the disinfection process. These irreversible UVC test cards are rated for accumulative dosage rather than real-time intensity.

2) UVC intensity test card and 3) UVC wavelength indicator
Function: Measures Real-time Intensity (limited reuse) includes UVC wavelength indicator

Reusable! A UVC measurement card designed for rapid UVC intensity testing (no longer than 15 seconds) is a QuantaDose UVC test card, this test is a lot like a credit card-sized meter with a single point of calibration starting at 300 µW/cm² with word visibility in the intensity test area. just like a meter, if the UVC light source is not putting out over 300 µW/cm² the meter will NEVER display 300 µW/cm², likewise, the QuantaDose UVC test card will NEVER display the word ULTRAVIOLET in the lower test area until the minimum intensity is reached, no matter how long the QuantaDose test card is exposed to the source, same as a meter would not measure intensity at 300 µW/cm² until that intensity is reached. Time isn’t the factor in intensity, overtime is dosage, not intensity. After the 15-second intensity test, providing you have reached at least 300 µW/cm² you can now calculate the dosage over time with a little math at distances closer and farther from the source just as you would be able to do with a UVC meter.

If you are not getting a color change displaying the word ULTRAVIOLET in the lower section of the Quantadose test card while the UV-C indicator is green within 15 seconds, the UVC light is likely not reaching the desired level of germicidal intensity required to achieve disinfection in under ten minutes and should be investigated, for either being aged UVC mercury bulbs or an inadequate or fake UVC product altogether.

Katie Webb
Interim CEO, Quanta X Technology

**Q: If the UVC bulb picks up band 200nms to 400 nms, is it correct to think that this dosimeter would not pick up a bulb emitting 180-185 nms?**
A: It is correct to think that, but not for the reason I think you think so.   Please let me explain.  The UVC emissions at 185nm are absorbed 100% by oxygen in the air, hence this is the ozone producing part of the electromagnetic spectrum.   In low-pressure mercury-vapor lamps, there are spectrum lines present at 184 nm and 254 nm.   Special fused silica glass is used in the manufacturing to keep the 184 nm light from being absorbed for maximum ozone production.

When you see UVC mercury-vapor lamps sold as non-ozone producing, that only means they changed the glass tube so these very short UVC wavelengths are absorbed in the glass tube itself.   However, in the case that this 185nm wavelength can escape the glass tube, the 185nm wavelength can’t escape air molecules that undergo ionic changes while creating ozone to effectively block all the 185nm wavelength to within the distance of air molecules that surround the bulb.

Testing of these wavelengths requires a vacuum otherwise the best way to pick up a bulb emitting 180-185 nm is to measure the ozone in the air!   Always remember that your nose is the best ozone meter ever made, and if you can smell it, ozone P.P.M is too high to safely be in the room.   Over the long run, your lungs can suffer from oxidative damage.  Using this 180-185 nm spectrum in the disinfection process does require additional safeguards, like understanding the half-life of ozone at different humidity levels!  

The good news is any UVC bulb with emissions of 180-185nm UVC will always peak output at 253.7nm which is why the QuantaDose UV analyte is designed to display the word “ULTRAVIOLET” at 300 µW/cm² under direct exposure to 253.7nm UVC

Our QuantaDose UVC test card is absolutely perfect for rapid testing of either ozone or non-ozone producing UVC bulbs!

Katie Webb
CEO, Quanta X Technology

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***O on June 3, 2025*

Very useful for checking whether lamps emit UV-C and after long periods of operation.

### ⭐⭐⭐⭐⭐ Review
*by A***Y on August 9, 2023*

works as expected

### ⭐⭐⭐⭐⭐ Review
*by R***U on July 4, 2023*

Bestens.

## Frequently Bought Together

- QuantaDose® UVC Light Test Card with UVC Light Wavelength Indicator and Photochromic UV Intensity Test
- EIDEAL™ | UV & UVC Test Card & UV Intensity Test Card | 3-in-1 UV Test Card | UVA & UVC Light Identifying Card | UV Bulb & LED Intensity Reading Card | UV Dosage Indicator Card | UVB Tester

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-01*