Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Detection Gas | Formaldehyde (CH2O) |
| Sensor Type | Electrochemical |
| Output Interface | UART Serial (TTL Level) |
| Operating Voltage | 5.0V ± 0.2V DC |
| Measurement Range | 0 - 5 ppm |
| Resolution | 0.01 ppm |
| Response Time | ≤ 60 seconds (T90) |
| Operating Temperature | -20°C to 50°C |
| Operating Humidity | 15% - 90% RH (Non-condensing) |
| Expected Lifespan | 2 Years (in air) |
Anonymous
Mar 27, 2026
Rating: 4/5
Good accuracy, needs warm-up time
We used this for a prototype indoor air quality station. It requires about 3-5 minutes of warm-up before readings stabilize, but once running, it tracks formaldehyde spikes well during furniture off-gassing tests.
Anonymous
Mar 25, 2026
Rating: 4/5
Solid performance for the price
The serial protocol is straightforward to parse. I appreciated the low power consumption in idle mode. Only minor issue is that high humidity can cause slight drift, but that is expected for electrochemical sensors.
Anonymous
Mar 12, 2026
Rating: 3/5
Works well but sensitive to cross-gas
The sensor works as described for formaldehyde, but I noticed it reacts slightly to strong alcohol vapors. Make sure to place it away from cleaning supplies if you want pure CH2O readings. Otherwise, good hardware.
Anonymous
Mar 12, 2026
Rating: 5/5
Compact and reliable
Small form factor made it easy to fit into our custom enclosure. The voltage requirements are standard 5V which simplifies power design. Very happy with the purchase for our smart home sensor array.
Anonymous
Mar 10, 2026
Rating: 5/5
Exactly what I needed
Bought this to monitor new carpet emissions in my office. It detected elevated levels immediately after installation and slowly dropped over weeks as expected. Great tool for peace of mind.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for DIY Air Quality Monitors
This module integrated seamlessly with my ESP32 project. The UART output is stable and the readings seem consistent when compared to a professional meter. Documentation was clear enough to get started quickly.
Q: How often does the sensor need calibration?
A: For most DIY and general monitoring applications, factory calibration holds for the life of the sensor (approx. 2 years). For critical industrial safety applications, we recommend annual verification against a known standard.
Q: Does this module come with a cable or do I need to solder headers?
A: The module typically comes with pin headers pre-soldered, but no connecting cables are included. You will need to use jumper wires or solder your own connections depending on your setup.
Q: What is the baud rate for the UART communication?
A: The default baud rate for the ZE08-CH2O module is 9600 bps. This can sometimes be configured via specific command frames if your application requires a different speed.
Q: Is there a library available for Arduino?
A: Yes, several open-source libraries exist for the ZE08 series on GitHub and the Arduino Library Manager. Search for 'ZE08' or 'Formaldehyde Sensor' to find community-maintained drivers that handle the parsing automatically.
Q: Can this sensor detect other VOCs like benzene?
A: No, this is an electrochemical sensor specifically calibrated for Formaldehyde (CH2O). While extreme concentrations of other gases might cause minor interference, it is not designed or certified to detect benzene or general VOCs accurately.
Stainless Steel Fish Tank Converter - Bucket to Aquarium Adapter with Inverted Stand and Faucet Spout for Mineral Water Jugs
$13.58
Non-woven Cleaning Cloths, Lint-free Wiping Rags, Oil-absorbing Paper, Machine Cleaning Cloth, Dust Removal Cloth for Subway Use (No Washing Required)
$138.00
Large Paint Brush Set - Watercolor Pen Kit for Children's Day Art and Drawing
$31.25
Foldable Car Tire Stone Removal Tool, Explosion-Proof Scraper Hook for Extracting Pebbles from Tires
$19.53
Black Swan Watercolor, Gouache, and Acrylic Paint Brush Set - Professional Art Painting Tools for Numbered Paint-by-Number Kits
$6.80
Jiangchuan 800 Roll-to-Roll Oil-Heated Roller Heat Transfer Machine – Digital Sublimation Printer for Curtain Fabric Rolls
$147,743.75
Traditional Handcrafted Wooden Rattle for Newborns – Safe for Teething, Intangible Cultural Heritage Toy
$10.10
All-Season Quiet and Comfortable Vacuum Tires for Buick Enclave 2013-2014 - Custom Fit, Wear-Resistant
$458.00
Mia Core Paper Stump and Blending Knife Set, Double-Ended Blending Pen for Sketching, Art Student Drawing Tools (S/M/L)
$4.28
Feileniao Gongbi Painting Draft Sheets – Pre-Outlined Bird-and-Flower Designs on Sized Xuan Paper for Color Filling Practice
$8.42
Automatic Retractable Air Hose Reel, Electronic Drum, Water Drum, Yarn Clamp, Air Pump Hose for Auto Repair, Beauty, Gardening, and Washing
$280.00
LA Curved Surface Screen Printing Machine - Automatic Cup Printer, Cylindrical Net Printer for Cosmetic Bottles
$26,750.00
Bathroom Toilet Storage Rack - Over-Toilet Shelf for Bathroom, Restroom, Washing Machine with Flip Lid - Space-Saving Organizer
$59.00
Heavy-Duty Chain Slings for Lifting Rebar and Steel - Manganese Steel Lifting Chains
$113.00
Toilet Storage Rack - No-Drill Bathroom Organizer for Restrooms and Washrooms
$14.80
Shuhai Blanching and Scalding Machine Fully Automatic Fresh Steam FVJ Vegetable Cooking and Cooling Equipment Enoki Mushroom Shiitake Blanching Flow Cooling
$18,900.00
PELICAN 1020 Waterproof Case - Compact Protective Box for Earphones with Free Shipping
$40.00
Marie's Collapsible Brush Washing Bucket Art TEP Watercolor Chinese Painting Brush Rinser Portable Silicone Extendable Small Paint Washing Bucket for Art Students
$12.50
Duosoduoxi Black Series Paper Blending Stumps (6-Pack) - Elastic Xuan Paper Tools for Art Exams and Sketch Highlighting
$5.10
Factory Direct 502 Super Glue - Instant Adhesive, 3-Second Bond, High-Strength Fast-Drying Glue for Furniture and Wood Repair
$1.28
NORTON Industrial Red Scouring Pad for Stainless Steel Brushing, Polishing, and Rust Removal – Fine Grit Abrasive Cloth
$17.50
Bucket Pack Soft-Tip Glitter Markers, Non-Toxic Washable Color Pens for Student Art and Drawing, Gel Highlighters
$2.99
6-Piece Nylon Brush Set for DIY Aromatherapy Candles, Plaster Coloring, Outlining, Detailing, Gouache, Acrylics, and Baking
$1.28
Activated Carbon Filter, Quartz Sand Filter, Fiber Ball Filter, Wastewater Filter, Environmental Protection Equipment
$45,000.00
Factory Direct Vegetable Filling Processing Equipment - TMH Dumpling and Bun Filling Chopper for Cabbage and Vegetables
$12,155.40
Hairline Transplant | No-Shave Hair Restoration | 1-2000 Grafts with Velvet Texture & Pain Management by Medical Director
$29,800.00
Manufacturer Mini Donut Machine - Snack Food Equipment, 304 Stainless Steel Donut Maker for Puffed Foods
$3,760.00
Inverted Water Dispenser Stand for Large Bottles - Manual Pump Extractor for Mineral and Purified Water
$31.30
Press-to-Empty Hands-Free Hanging Sink Strainer Basket for Food Residue Separation
$7.48
Car Tire Stone Hook Stone Removal Tool Rust-Resistant Hook Multi-Function Tire Pick Scrape Stone Remover
$8.33
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
