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DANOPLUS KB0297
DANOPLUS CO2 Meter Handheld CO2 Detector, 0-9999ppm Digital CO2 Monitor Temperature and Humidity Meter Carbon Dioxide Detector with NDIR Sensor Buzzer Alarm and Clibration Function for Home Grow Room
Handheld NDIR meter with a 0–9999 ppm range, ±50 ppm or ±5% accuracy and a backlit LCD that also shows temperature, humidity, dew point and wet bulb. It has an adjustable buzzer alarm and manual calibration for CO2 and humidity, and runs on batteries or an optional 9V adapter. At 1.4 lbs (640 g) it is the heaviest unit listed, better for grow rooms and spot checks than for mounting in a van.
- Price
- $129.99
- Brand
- DANOPLUS
Prices from Amazon as of . Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of the product. As an Amazon Associate I earn from qualifying purchases.
Ranking within Category
Comparing this product to others on Nomad Gear Finder (in the carbon dioxide detectors category with a value specified):
- This product's Weight is the highest of 20: 1.41 lbs (0.64 kg)
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
- Model
- KB0297
Detection capabilities
- Gases detected
- CO2
- Max. CO2 detection
- 9,999 ppm
- Min. CO2 detection
- 0 ppm
- Accuracy
- ±50ppm or ±5% of reading
- Temperature & humidity readout
- Yes
- Sensor type
- NDIR
- Calibration method
- Manual calibration of CO2 and humidity
Alarms
- Adjustable alarm levels
- Yes
- Alarm types
- Sound (buzzer)
Physical Attributes
- Weight
- 1.41 lbs
- Weight
- 0.64 kg
- Display type
- Backlit LCD
Power
- Power sources
- Batteries, 9V adaptor (not included)
- DC input voltage
- 9V
Features
Details from the DANOPLUS KB0297 Amazon listing:
- 【Large LCD Display】CO2 detector is equipped with a large LCD display and backlight function. CO2 meter displays real-time readings of carbon dioxide concentration, temperature and humidity at the same time
- 【Sound Warning Alarm】CO2 Monitor will beep and notify when the CO2 level exceed your desired threshold the preset thresholds.The alarm threshold is adjustable by user
- 【Convenient Design】Carbon dioxide detector is designed with a portable handle for easy manual calibration of CO2 and humidity for accurate detection. The CO2 detector runs on batteries (included) or a 9V adaptor (NOTED: adaptor not included in kit)
- 【High Accuracy】: air quality monitor is equipped with a stable NDIR Sensor, Accuracy of CO2: ±50ppm or ±5% of the reading; Accuracy of temp: ±0.6°C/±0.9°F; Accuracy of humidity: ±3%RH (at 25°℃,10~90% RH);±5%RH (at 25°C, others)
- 【Wide Mesurement Range】: CO2 monitor is designed with large measuring range.CO2: 0~9999ppm; Temperature:14°F-140°F(-10°C/+60°C); Humidity (0.1% - 99.9%RH); Dew Point: -20.0 - 59.9°C; Wet Bulb: -5.0 - 59.9°C
- 【Wide Application】 CO2 meter can accurately monitor air quality. CO2 detector is widely used in public places such as offices, classrooms, factories, hospitals
Similar products from other brands
Chosen for their similar specs and price:
 This productDANOPLUS KB0297 |
 Gain Express A017755 |
 Inkbird IAM-T1 |
 Extech VFM200 |
|
|---|---|---|---|---|
| Price | $129.99 | $134.90 | $129.99 | $428.50 |
| Model | KB0297 | A017755 | IAM-T1 | VFM200 |
| Gases detected | CO2 | CO2 | CO2 | Formaldehyde and TVOC |
| Max. CO2 detection (ppm) | 9,999 | 9,999 | 9,999 | – |
| Min. CO2 detection (ppm) | 0 | 0 | 0 | – |
| Accuracy | ±50ppm or ±5% of reading | ±50 ppm or ±5% of reading | ±(30 ppm + 3% of reading) | ±5% FS |
| Resolution (ppm) | – | – | 1 | – |
| Sampling interval (s) | – | – | 60 | – |
| Temperature & humidity readout | Yes | Yes | Yes | – |
| Sensor type | NDIR | NDIR | NDIR (Senseair) | Electrochemical (HCHO), MOS semiconductor (TVOC) |
| Calibration method | Manual calibration of CO2 and humidity | Manual calibration | Built-in auto-calibration; manual calibration via app | Annual calibration recommended; NIST traceable calibration offered |
| Data logging | – | – | Yes | – |
| High alarm level (ppm) | – | – | 1,400 | – |
| Adjustable alarm levels | Yes | – | Yes | – |
| Alarm types | Sound (buzzer) | – | Buzzer sound and on-screen alarm | Audible and visual (LCD flashes red, beeper) for HCHO |
| Weight (lbs) | 1.41 | 0.44 | 0.30 | 1.29 |
| Weight (kg) | 0.64 | 0.20 | 0.14 | 0.58 |
| Length (in.) | – | 2.76 | 2.95 | 6.50 |
| Length (mm) | – | 70 | 75 | 165 |
| Width (in.) | – | 2.17 | 3.15 | 2.40 |
| Width (mm) | – | 55 | 80 | 60 |
| Depth/Height (in.) | – | 8.27 | 1.30 | 1.00 |
| Depth/Height (mm) | – | 210 | 33 | 25 |
| Display type | Backlit LCD | – | 2.13-inch electronic ink (e-ink) display | Backlit LCD |
| Power sources | Batteries, 9V adaptor (not included) | Battery or 9V adapter (adapter not included) | 2 x AA batteries | Rechargeable battery and AC adapter |
| DC input voltage | 9V | 9V | 3V | – |
| Battery capacity (mAh) | – | – | – | 1,300 |
| Battery chemistry | – | – | Alkaline (2 x AA) | Lithium-ion polymer |
| Operating temp min (℉) | – | – | 32 | 32 |
| Operating temp max (℉) | – | – | 122 | 104 |
| Operating temp min (℃) | – | – | 0 | 0 |
| Operating temp max (℃) | – | – | 50 | 40 |
| Certifications summary | – | – | FCC Part 15 Class B statement | CE |
| FCC Part 15 compliant | – | – | Yes | – |
| CE marked | – | – | – | Yes |
| Warranty | – | – | 1 Year | 2 Years |
Data sources
Data for this product compiled from this source:
Specifications last updated Oct 20, 2026.