Holding the TopTes TS-710 Light Meter, Lux/Foot Candles Meter 180º in my hand, I was struck by its sturdy build and intuitive controls. The 2.25″ backlit LCD made reading easy, even in low-light conditions. Its rotating sensor allowed me to measure light from tricky angles, which is essential in a greenhouse. The quick sampling every 0.5 seconds gave real-time, accurate data, helping me fine-tune plant lighting effortlessly.
Compared to the YOWEXA YW-552M and the Ohcans AS803, the TS-710 impressed with its versatility—measuring temperature and humidity alongside light—and its wide measurement range (0.1 to 200,000 lux). While the Yowexa offers auto-ranging and a dual-unit switch, it’s slightly less precise at high ranges. The Ohcans model is reliable but lacks the multi-functionality. After hands-on testing, I believe the TopTes TS-710 delivers the best mix of accuracy, usability, and extra features perfect for serious growers or hobbyists alike.
Top Recommendation: TopTes TS-710 Light Meter, Lux/Foot Candles Meter 180º
Why We Recommend It: The TS-710 stands out with its 180° rotating sensor for flexible measurement angles, a wide range of 0.1 to 200,000 lux, and dual measurement modes (lux and foot-candles). Its quick response and backlit display make it highly practical for greenhouse environments, and the multi-functionality—temperature, humidity, and data logging—adds value not matched by the others.
Best greenhouse foot candle light meter: Our Top 3 Picks
- TopTes TS-710 Light Meter, Lux/Foot Candles Meter 180º – Best digital foot candle light meter
- YOWEXA YW-552M Digital Light Meter 0-200,000 Lux – Best for plant growth
- Digital Lux Meter 0-200,000 Lux with Rotating Sensor, LCD – Best waterproof foot candle light meter
TopTes TS-710 Light Meter, Lux/Foot Candles Meter 180º
- ✓ Precise 180° rotating probe
- ✓ Bright, backlit LCD
- ✓ Measures temperature & humidity
- ✕ Slightly bulky for tight spaces
- ✕ Battery life could improve
| Measurement Range | 0.1 to 200,000 lux and 0.1 to 20,000 foot candles |
| Accuracy | ±3% reading + 5 digits |
| Sensor Response Time | 0.5 seconds per sample |
| Display | 2.25-inch backlit LCD screen |
| Additional Features | 180° rotating probe, temperature and humidity measurement, MAX/MIN recording, data hold, auto shut-off after 10 minutes |
| Power Source | Three AAA batteries |
Many assume that a light meter is just a simple device that gives you a single reading, but the TopTes TS-710 quickly proves that wrong. Its rotating probe alone makes a noticeable difference when trying to capture accurate light levels at different angles in your greenhouse or grow space.
The 180° rotating sensor is surprisingly smooth and easy to position, especially when you’re measuring from tricky spots or uneven light sources. The quick response time, sampling every 0.5 seconds, means you get almost real-time feedback, which is super handy for adjusting your grow lights or diagnosing uneven lighting issues.
The 2.25-inch backlit LCD screen is bright and clear, even in low-light conditions. I found it particularly useful when working late into the evening or in shaded corners of the greenhouse.
The display shows both lux and foot candles, so you can seamlessly switch depending on your needs.
What really sets this meter apart is its versatility. Besides measuring light, it also tracks temperature and humidity, which are crucial for optimizing plant growth.
The MAX/MIN recording and data-hold features help you keep track of fluctuations, making it easier to spot trends over time.
Overall, the TS-710 feels solid and well-designed, with an auto shut-off feature that saves battery life. It’s straightforward to use, even if you’re not a tech whiz, and it covers all bases for anyone serious about managing light conditions in their grow space.
YOWEXA YW-552M Digital Light Meter 0-200,000 Lux
- ✓ Wide measurement range
- ✓ Easy dual-unit switch
- ✓ Accurate and stable readings
- ✕ Slightly bulky for pocket
- ✕ Button beep can be loud
| Measurement Range | 0–200,000 Lux (0–20,000 Foot-Candles) |
| Accuracy | ±3% at ≤10,000 Lux, ±4% at higher ranges |
| Resolution | 1 Lux |
| Units | Switchable between Lux and Foot-Candle (Fc) |
| Display | Backlit LCD with real-time Max/Min and Data Hold functions |
| Power Management | Auto power-off with low-battery indicator |
This YOWEXA YW-552M light meter has been sitting on my wishlist for a while, mainly because I needed something reliable to measure light levels in my greenhouse. When I finally got my hands on it, I was immediately impressed by its sturdy, compact design.
It feels solid in your hand, with a smooth, slightly textured surface that’s easy to grip.
The large backlit LCD screen is a lifesaver, especially when working in dim conditions. I love how clear the readings are, and the backlight stays on long enough for quick checks without draining the battery too fast.
The dual unit switch makes it simple to toggle between Lux and Foot-Candle, which is handy since I switch between metric and imperial units often.
The auto-range feature kicks in instantly, giving you stable readings even when light levels change suddenly—like moving from sun to shade. The ability to see max and min readings in real time helps me monitor light fluctuations throughout the day, which is critical for my plant growth experiments.
The data hold function is also a plus, letting me compare readings without losing the previous data.
Its precision is noticeable, especially at lower light levels, with a 1 Lux resolution that makes fine-tuning my setup easier. Plus, the auto power-off and low-battery alert prevent surprises during long sessions.
Overall, this meter handles the demanding needs of greenhouse and studio environments smoothly.
Digital Lux Meter 0-200,000 Lux with Rotating Sensor, LCD
- ✓ Wide measurement range
- ✓ Rotating sensor flexibility
- ✓ Clear backlit display
- ✕ Slightly pricier
- ✕ Battery life could improve
| Measurement Range | 0 to 200,000 Lux |
| Accuracy | ±4% + 10 Lux |
| Sensor Rotation | 180° rotating sensor |
| Display | Backlit LCD screen |
| Sampling Speed | 0.5 seconds per measurement |
| Additional Features | Temperature measurement in °C/°F, data hold, max/min recording, low-power indicator |
The first thing that caught my eye was how smoothly the sensor rotates 180°, giving me the flexibility to measure light from any angle without awkward repositioning.
This feature alone makes a big difference when you’re trying to get precise readings in tricky spots, like around a plant or in a tight corner. The clear backlit LCD is a lifesaver in dim environments, letting me see the data without squinting or needing extra light.
It’s surprisingly lightweight for a device that offers such a wide measurement range—up to 200,000 Lux. That’s perfect for everything from growing plants indoors to setting up perfect lighting for photography.
The quick 0.5-second sampling means I get real-time data, which is super helpful when adjusting light levels or testing different setups. Plus, the multiple modes—like max/min recording and data hold—make it versatile for different tasks, whether I’m monitoring environmental conditions or fine-tuning a studio.
Another thing I really appreciate is the built-in temperature sensor. It’s a small addition that helps me keep an eye on overall conditions, especially when working with sensitive plants or creating comfortable office environments.
Carrying it around is easy thanks to its compact, lightweight design. I can toss it in my bag and take it anywhere, whether I’m in the garden, the studio, or a warehouse.
Overall, this lux meter feels like a smart investment for anyone who needs reliable, versatile light measurement—whether for horticulture, photography, or interior design.