DS-CO2-20 CO2 Sensor Dual Channel Gas Accurate Detection of Carbon Dioxide Sensor Module
- Description
| P1N1 | VCC | Power supply (+5V) |
| PIN2 | GND | Negative power supply |
| PIN3 | TXD | Serial Receiver Pin / TTL Level @3.3V |
| PIN4 | RXD | Serial port transmit pin / TTL level @3.3V |
| PIN5 | RESET | Module reset signal / TTL level @3.3V, low reset |
| PIN6 | NC | NC |
| PIN7 | NC | NC |
| Parameter | Index | Unit |
| Effective | 400~3000 | ppm |
| Maximum | 400~5000 | ppm |
| Resolution | 1 | ppm |
| Precision | ± (50ppm + 5% FS) | |
| Single response time | <3 | Seconds (s) |
| Comprehensive response time | ^25 | Seconds (s) |
| DC supply voltage | Typ: 5.0 Min: 4.5 Max; 5.5 | Volt (V) |
| Working current | Peak 400 average 40 | Milliamper (mA) |
| Stand-by current | <=200 | Microamp (mA) |
| Data interface level | L <0.8 @3.3, H>2.7@3.3 | Volt (V) |
| Working temperature | 0-50 | Photographing degree (2) |
| Operating humidity | 0~85% non-condensing | |
| Storage temperature | -40~85°C | Photographing degree (2) |
| Mean time between failures | >=3 | Year (Y) |
| Pin spacing | 2 | Millimeter (mm) |
1 x CO2 Sensor
- Reviews (29)
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- Q & A
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: Where is the origin of Elecbee products? Are they certificated?2023-03-03
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Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
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: When will you arrange shipment?2023-03-03
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Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
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: How to exchange or return?2023-03-03
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Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03
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