SKU: 18261246021

CO2 Meter RAD-0502 CO2 Controller for Grow Rooms

Sale price$314.55 Regular price$349.50
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

CO2 Meter RAD-0502 CO2 Controller for Grow RoomsThe RAD 0502 CO2 Controller and Sensors for Grow Rooms provides a simple and affordable way to adjust and review your CO2 levels when you want to and how you want to for your indoor grow space. With the RAD 0502 you can ensure that your plants never exhaust their supply of CO2 and grow at their maximum potential under optimized conditions. The CO2 Controller for Grow Rooms can also be used in greenhouses, grow rooms, hydroponics, mushroom farms, or

The RAD-0502 CO2 Controller and Sensors for Grow Rooms provides a simple and affordable way to adjust and review your CO2 levels when you want to and how you want to for your indoor grow space. With the RAD-0502 you can ensure that your plants never exhaust their supply of CO2 and grow at their maximum potential under optimized conditions.

The CO2 Controller for Grow Rooms can also be used in greenhouses, grow rooms, hydroponics, mushroom farms, or anywhere elevated CO2 levels are used to maximize plant growth.

If you are serious about growing, this is an ideal solution to control both high and low target CO2 levels and maximize plant yields, increasing profitability - in no time. 

Features

  • Accurate CO2 control for small to large-sized indoor grow facilities
  • Control 2 zones with 2 sensors
  • Customizable CO2 setpoints for high and low target levels
  • Dual Beam NDIR technology accurately measures CO2 concentrations 0-3,000ppm
  • Built-in temperature, humidity, and light
  • (2) Relay outputs that can automatically control a CO2 generator or compressed CO2 tanks
  • Versatile modes for greenhouse or HVAC
  • 2 Relays that are user-configurable
  • The built-in photosensor turns off the relay in darkness to save CO2 (in greenhouse mode only)
  • Customized historical graph data display
  • Easy fresh air calibration

Applications

  • Greenhouses
  • Indoor Grow Rooms
  • Hydroponics Rooms
  • Cultivation Facilities

Specifications

  • Measurement Range: 0-3,000ppm
  • CO2 Sensing Method: Non-dispersive Infrared (NDIR)
  • Target Gas Ranges: 0-2,000ppm and 0-5,000ppm
  • Measurements: Requires 1 liter per minute of constant flow per channel
  • Resolution: 1ppm @ 0-1,000ppm ; 10ppm above 1000pm
  • Dimensions: 4.96 x 6.70 x 2.65 inches
  • Accuracy: ± 70ppm or ± 5% CO2
  • Sensor Response Time: < 2 minutes
  • Operating Temperature: -20°C - 60°C
  • Relays: 2 relays, either (Normally Open) NO or (Normally Closed) NC
  • Sensor Life Expectancy> 10 years

Electrical

  • Power: Adapter 110/220 VAC
  • Power Consumption: 1 W max @ 115 VAC 60 Hz | 2 W max @ 230 VAC 50 Hz
  • Piggyback Cable: <5A @ 250 VAC, SPST

Warranty

  • 1 year - See CO2Meter Terms and Conditions.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18261246021

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Erik
Lake Worth, US
★★★★★ 5
I’m Team Maelreg!
Color: Dark Grey Heather, Size: 3X-Large
I’m a huge fan of Maelreg! I’ve purchased numerous polos, a hoodie, a pair of shirts, and some golf pants, as well as two of these quarter zips (and I currently have a third one in my Christmas list). I love the way they fit and the way they look. I’m a bigger guy too, so it’s not easy to find fashionable “ath-leisure” apparel that doesn’t make me look like a popped can of Pilsbury biscuit dough. The only thing close to a complaint I can think of is that these are a lightweight weight material and the collar doesn’t want to stand up on its own. I wish Maelreg made a medium weight version with a little sturdier of a collar, but that’s just me.
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Reviewed in the United States on December 10, 2025
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David M
Natrona Heights, US
★★★★★ 5
Nice fit!
Color: Saxony Blue Melange, Size: X-Large
Great fit. Very comfy. Not too heavy. (Think late spring, early fall weather.) Material and stitching seems high quality. Slightly stretchy fabric. We’ll see how it holds up to wear and washing, but so far so good. I’ve already purchased another in a different color.
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Reviewed in the United States on November 1, 2025
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NicanorTij
Birmingham, US
★★★★★ 5
Fits true to size and good quality
Color: Black Grey Heather, Size: Large
I gave this 5 stars because I was pleasantly surprised by the fit and quality. The zipper is nice, it zips firm, it's not flimsy like a cheap zipper. For reference I am 5'7", athletic build, and 198 pounds. I ordered a size large and it fits perfect. I will buy more for sure.
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Reviewed in the United States on November 9, 2025
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LCAH
Houston, US
★★★★★ 5
Great fit, excellent material. Will buy more!
Color: Cobalt Heather, Size: Small
Great quarter zip comparable to the high end designer brands. Buttery material, well fitted. Runs a bit big so I sized down and it’s a perfect trim cut fit. Will buy other colors. Would like to see some patterns in addition to the solid colors. I’m 5’10” 165lbs and small size fits perfectly.
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Reviewed in the United States on September 20, 2025
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Brian C.
Lake Worth, US
★★★★★ 5
Perfect for the gym!
Color: Cobalt Heather, Size: XX-Large
I bought 2 (black and blue) and wear them to the gym weekly. They wash & dry very well! They are nice enough for casual wear too. I’ll probably buy a 3rd color soon!
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Reviewed in the United States on April 23, 2026

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