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INKBIRDPLUS PTH-10C
INKBIRDPLUS Portable CO2 Detector, Mini Indoor CO2 Monitor, NDIR Sensor with Full Color LCD, for Home, Office, Travel (PTH-10C)
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Budget-priced NDIR CO2 meter covering 400–5000 ppm, with a full-color LCD, green, yellow and red indicator lights, and an adjustable alarm that defaults to 1500 ppm. A 1000 mAh rechargeable battery lasts about 72 hours and charges by USB-C, and a lanyard is included. At 5 oz (140 g) it is easy to carry, though runtime between charges is shorter than AA-powered monitors, suiting buyers who want a low-cost spot checker.
- Price
- $42.99
- Brand
- INKBIRDPLUS
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.
How it compares
Compared with the other carbon dioxide detectors on this site that list each value:
- Battery capacity 1,000 mAh: lower than 83% of 6 others
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
Detection capabilities
- Gases detected
- CO2
- Max. CO2 detection
- 5,000 ppm
- Min. CO2 detection
- 400 ppm
- Accuracy
- ±(50ppm + 5%)
- Sensor type
- NDIR
- Calibration method
- Automatic calibration (can be turned off); manual calibration (200-second countdown in fresh air)
Alarms
- High alarm level
- 1,500 ppm
- Adjustable alarm levels
- Yes
- Alarm types
- Sound, color indicator lights
Physical Attributes
- Weight
- 0.31 lbs
- Weight
- 0.14 kg
- Length
- 2.99 in.
- Length
- 76 mm
- Width
- 2.76 in.
- Width
- 70 mm
- Depth/Height
- 1.18 in.
- Depth/Height
- 30 mm
- Display type
- Full-color LCD
Power
- DC input voltage
- 5V-24V
Charging
- Charging port
- USB-C
- Battery runtime
- 72 hours
- Battery capacity
- 1,000 mAh
Core specs
- Battery chemistry
- Lithium-ion polymer
More specifications
- Warranty
- 1 Year
Features
- High-Quality CO2 Detector: This portable CO2 meter uses an advanced NDIR sensor to detect carbon dioxide through infrared sensing technology, with high precision, strong anti-interference and excellent stability
- CO2 Concentration Level: There are three indicator lights on this carbon dioxide monitor - green light for good (400~699ppm), yellow light for medium (700~1499ppm), red light for danger (1499~5000ppm)
- Audible Alerts & Custom Alert Values: When the detected CO2 concentration exceeds 1500ppm, the device will also send out an alarm to remind you. And the CO2 alarm value is customizable
- Portable and Long-Lasting: Small and portable, the included lanyard allows you to take this portable CO2 sensor anywhere. Built-in 1000mAh lithium battery, it can be fully charged within 3 hours, and the battery life is about 72 hours
- HD Full-Color LCD Display: Full-color LCD display, clear and easy to read, eye protection. If there is no operation for 5 minutes, it will automatically enter the energy-saving ECO mode
Similar products from other brands
Chosen for their similar specifications and price.
 This productINKBIRDPLUS PTH-10C |
 Temtop C1+ |
 Airthings 322 |
 SwitchBot Meter Pro CO2 |
|
|---|---|---|---|---|
| Price | $42.99 | $42.99 | $119.00 | $59.48 |
| Model | PTH-10C | C1+ | 322 | Meter Pro CO2 |
| Gases detected | CO2 | CO2 | CO2 and VOC | CO2 |
| Max. CO2 detection (ppm) | 5,000 | 5,000 | 5,000 | 9,999 |
| Min. CO2 detection (ppm) | 400 | 400 | 400 | 400 |
| Accuracy | ±(50ppm + 5%) | ±(40ppm +5%) (400-2500ppm) | ±50 ppm ±5% | ±(50 ppm + 5%) |
| Resolution (ppm) | – | 1 | – | – |
| Sampling interval (s) | – | – | 300 | – |
| Temperature & humidity readout | – | Yes | Yes | Yes |
| Sensor type | NDIR | – | NDIR | NDIR |
| Calibration method | Automatic calibration (can be turned off); manual calibration (200-second countdown in fresh air) | Manual fresh-air calibration (about 400 ppm, 200-second countdown) | Automatic baseline calibration, updated weekly | – |
| Data logging | – | Yes | – | Yes |
| High alarm level (ppm) | 1,500 | – | – | – |
| Adjustable alarm levels | Yes | – | – | – |
| Alarm types | Sound, color indicator lights | Buzzer (optional) and color-coded CO2 indicator | – | Sound, screen and app notifications |
| Weight (lbs) | 0.31 | 0.24 | 0.22 | 0.34 |
| Weight (kg) | 0.14 | 0.11 | 0.10 | 0.15 |
| Length (in.) | 2.99 | 3.50 | 3.15 | 3.62 |
| Length (mm) | 76 | 89 | 80 | 92 |
| Width (in.) | 2.76 | 2.70 | 3.15 | 3.11 |
| Width (mm) | 70 | 69 | 80 | 79 |
| Depth/Height (in.) | 1.18 | 0.70 | 1.06 | 0.98 |
| Depth/Height (mm) | 30 | 18 | 27 | 25 |
| Display type | Full-color LCD | 3.3-inch segment-code LCD | – | – |
| Power sources | – | – | 2 AA batteries | 2 AA alkaline batteries or 5V 1A USB-C |
| DC input voltage | 5V-24V | 5V | – | 5V |
| Charging port | USB-C | – | – | USB-C |
| Battery runtime (hours) | 72 | – | – | – |
| Battery capacity (mAh) | 1,000 | 800 | – | – |
| Battery chemistry | Lithium-ion polymer | Lithium | AA alkaline | Alkaline (2 AA) |
| Operating temp min (℉) | – | 14 | 32 | – |
| Operating temp max (℉) | – | 140 | 113 | – |
| Operating temp min (℃) | – | -10 | 0 | – |
| Operating temp max (℃) | – | 60 | 45 | – |
| Max operating humidity (% RH) | – | – | 95 | – |
| Certifications summary | – | – | FCC Part 15 (FCC ID 2APPT-322), IC 23900-322 | – |
| FCC Part 15 compliant | – | – | Yes | – |
| Warranty | 1 Year | 1 Year | 5 Years with Registration | 1 Year |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.