AST Optoelectronics

AST Optoelectronics We are the leading manufacturer of NDIR gas measurement in China. KunShan AST Optoelectronics Co.,Ltd is the leading manufacturer of NDIR gas measurement.

We design and develop ventilation products for gardening and HVAC system, including greenhouse, hydroponics, indoor garden, grow room, HVAC. Our main products are CO2 monitor, PAR meter, CO2 controller, temperature and humidity controller etc. ISO9001, SGS, CE certificated, 15 years R&D experience, one hour reach Shanghai port, this is how we keep good quality and competitive prices for global valued customers.

05/06/2026

Meet your ultimate indoor climate sidekick! 🌿✨ Whether you're nurturing a thriving grow room or optimizing your home’s air quality, our Smart CO2 Controller has you covered.

It tracks CO2, temperature, and humidity in real-time, intelligently switching between day and night modes. Powered by a high-precision dual-channel NDIR sensor, it delivers spot-on accuracy and data charts you can track.

💡 Dual Modes for Your Needs:

Plant Mode: Perfects greenhouse conditions to boost growth.

Human Mode: Ensures a fresh, healthy living environment.

With independent controls for fans and CO2 gear, plus a built-in safety alarm, keeping your space perfect has never been this effortless. 🙌

Hashtags:

04/06/2026

☀️ Is your UV protection actually working? Meet our pocket-sized Portable UV & UVI Meter—your ultimate tool to track hidden ultraviolet radiation anytime, anywhere!

From checking outdoor sun intensity to ensuring your reptile tank or disinfection lamps are performing at their best, this precision tool has you covered.

Why you’ll love it:

Wide Range: Measures 280–400nm wavelengths (UVI 0-20 | 0–5000 μw/cm²).

Smart Tracking: Auto-calculates MAX, MIN, and average values instantly.

Compact & Durable: Lightweight handheld design for daily use.

Perfect for pet owners, tech enthusiasts, and health-conscious families. Stay safe, stay informed! 👇

Stop guessing your light levels! Give your plants the exact fuel they need. 💡🌿Whether you’re dialing in a grow tent, man...
29/05/2026

Stop guessing your light levels! Give your plants the exact fuel they need. 💡🌿

Whether you’re dialing in a grow tent, managing a greenhouse, or perfecting a reef aquarium, our Waterproof PAR Meter is your ultimate growth hack.
Why growers love it:
🌊 IP68 Waterproof: Fully submersible—perfect for aquariums and splashes.
🎯 Perfect Precision: Measures the exact 400-700nm wavelength plants use.
🚀 Massive Range: 0-4000 μmol/m²/sec covers dim shelves to intense LEDs.
📊 Built-in Memory: Saves 100 data logs so you can ditch the notebook.

Take control of your setup and unlock healthier, more vibrant growth today.
Get yours here: www.astoptoe.com

Keep your family safe—anywhere! 🏠🚐Standard CO detectors stay on the wall, but this mini detector goes where YOU go. Perf...
16/04/2026

Keep your family safe—anywhere! 🏠🚐

Standard CO detectors stay on the wall, but this mini detector goes where YOU go.
Perfect for the home, the garage, or your next family camping trip.

Simple to Read: 3-color light system (Green = Safe!).
USB Rechargeable: Easy to power up and go.
Travel-Ready: Clips to your bag or fits in the glove box.
Don't leave safety to chance. Grab this compact lifesaver today! ❤️

10/04/2026

Did you know that indoor air can often be more polluted than the air outside? 🏠💨

Keep your family’s environment safe and comfortable with our new Desktop CO₂ Monitor. Whether it’s in the nursery, the home office, or the living room, this little device gives you the data you need to breathe easy.

Why you'll love it:
✅ Highly Accurate: Uses professional-grade dual-beam NDIR sensors.
✅ Easy to Read: Large digital display and simple color-coded alerts (Green/Yellow/Red).
✅ Simple Setup: Just plug it in via Type-C and you’re ready to go!

Reliable, stable, and built for daily life. Because fresh air shouldn't be a luxury.

Stop guessing and start controlling! 🌡️🙌Is your greenhouse getting too cold at night? Worried about your storage room ov...
31/03/2026

Stop guessing and start controlling! 🌡️🙌

Is your greenhouse getting too cold at night? Worried about your storage room overheating? Meet the Intelligent Temperature Controller—the ultimate partner for keeping your world at the perfect temperature.

What makes it a game-changer?
24-Hour Logs: No more "missing" a temperature spike while you sleep!
One Device, Two Jobs: It controls both heaters and coolers effortlessly.
Day/Night Smart Mode: It knows the time of day and adjusts for maximum energy savings.
Instant Alerts: A loud alarm sounds the moment your temp goes out of range.
From your wine cellar to your server room, we’ve got you covered. Join thousands of users who choose precision over guesswork.

31/03/2026

Stop Sweating the Small Stuff! 🌿✨

We’ve all been there: checking your plants in the morning only to find them looking "sad" by the afternoon. Too much moisture breeds mold; too little, and they can’t breathe.
Give your garden the guardian it deserves! Our Smart Humidity Controller is the ultimate tool for secret gardens, secret tents, and professional setups alike.

Why growers love it:
✅ Big Screen, Big Data: Easy-to-read LCD with a humidity history chart—no more squinting!
✅ Safety First: Alarms for high/low humidity AND sensor failures. You're always in the loop.
✅ Set It & Forget It: Automatically switches between Day and Night settings to save you energy and time.

Ready to see your produce truly thrive? Join the community of smart growers.

Tired of stunted seedlings and uneven growth? 🌿We’ve all been there—trying to figure out if our lights are too high, too...
30/03/2026

Tired of stunted seedlings and uneven growth? 🌿
We’ve all been there—trying to figure out if our lights are too high, too low, or just not strong enough.
Say goodbye to the guesswork and hello to your most successful harvest yet!

Our Handy PPFD Meter is built for every grower—from the weekend hobbyist with a single grow tent to the greenhouse pro.
Why every grower needs one:
Real Accuracy: Measures the light plants actually "eat" for photosynthesis.
No Tech-Headache: It’s totally beginner-friendly with a clear, real-time display. No confusing menus here!
Save Your Back: The included extension rod lets you reach tall canopies and tight corners without bending or climbing.
Portable & Tough: Toss it in your grow bag and you’re ready to go.
Stop wasting electricity on lights that aren't hitting the mark. Give your greens exactly what they need for steady, healthy growth.

Shop now and see the difference precision makes! 👇

CO MonitorYour Tiny & Tough Air Guardian 🛡️Invisible carbon monoxide lurking at home, car, caravan, kitchen, tent or off...
27/03/2026

CO Monitor
Your Tiny & Tough Air Guardian 🛡️
Invisible carbon monoxide lurking at home, car, caravan, kitchen, tent or office?
Our portable CO monitor keeps you protected:
✅ Tracks CO + temperature + humidity
✅ 3-color LED + loud buzzer alarm
✅ 4-level adjustable backlight
✅ Rechargeable & ultra-compact
✅ Take it anywhere
Small size, massive safety.
Breathe easy, live safe!

🌱 Maximize Your Greenhouse Yield with Intelligent CO₂ Control!Say goodbye to manual adjustments and hello to smarter pla...
13/03/2026

🌱 Maximize Your Greenhouse Yield with Intelligent CO₂ Control!

Say goodbye to manual adjustments and hello to smarter planting. Our Intelligent CO₂ Controller automates carbon regulation for healthier crops and higher productivity.

🔍 Why choose it?
🌞 Day/Night Detect Sensor – Auto-switches logic to save energy and optimize growth.
⚖️ Dual Modes (Increase/Decrease CO₂) – Balances levels for ideal photosynthesis.
📊 High-Precision NDIR Sensor – 2-channel, low drift, and interference-free for reliable data.
🔌 2 Independent Sockets – Easy plug-and-play for Vent or Greenhouse modes.
📈 Interactive Charts – Zoom in/out on CO₂ trends to fine-tune your management.

💡 Perfect for greenhouses, planting sheds, and protected agriculture. Let tech do the work while you enjoy better harvests!
👇 Ready to boost your planting efficiency? Drop a comment or DM for more info!

Address

No. 285 North Yudai Road Kunshan Jiangsu
Jiangsu
215300

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