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Gravity - H2S hydrogen sulfide sensor - I2C / UART - factory calibrated - DFRobot SEN0467
A sensor designed to measure the concentration of hydrogen sulfide H2S in the air. Manufactured by DFRobot, it has a factory calibrated probe that allows you to make precise measurements in a short time. The hydrogen sulfide measurement range is from 0 ppm to 100 ppm. The module supports three interfaces: analog, I2C and UART and has as many as 32 I2C addresses to choose from. It exhibits strong anti-interference properties, has very good sensitivity and high measurement stability.
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Product description: Gravity - H2S hydrogen sulfide sensor - I2C / UART - factory calibrated - DFRobot SEN0467
A sensor designed to measure the concentration of hydrogen sulfide H2S in air. Manufactured by DFRobot, it has a factory calibrated probe that allows you to make precise measurements in a short time. The hydrogen sulfide measurement range is from 0 ppm to 100 ppm. The module supports three interfaces: analog, I2C and UART and has as many as 32 I2C addresses to choose from. It exhibits strong anti-interference properties, has very good sensitivity and high measurement stability.
Contents of the kit
- H2S hydrogen sulfide sensor - adapter board
- H2S sensor probe
- Gravity 4-pin connection cable
Gravity - hydrogen sulfide sensor.
Product compatible with Arduino, ESP32, Raspberry Pi
The manufacturer has prepared a detailed user guide, which includes, among other things, connection instructions and sample program code.
Botland is an official distributor of DFRobot open-source hardware. Every roboticist and practitioner of emerging technology has heard at least once of DFRobot solutions, built above all around Arduino. Our range holds original DFRobot products only.
The sensors have the same data format so they can work in parallel.
A series of pre-calibrated sensors from DFRobot
DFRobot has developed a series of pre-calibrated sensors that work in the same way and have the same data format, so they can work in parallel. The use of several sensors at the same time will allow to create many advanced devices, including those with industrial applications. The series consists of up to 12 modules that can detect gases such as CO, O2, NH3, H2S, NO2, HCL, H2, PH3, SO2, O3, CL2, HF.
How to detect hydrogen sulfide? What is the smell of hydrogen sulfide?
Hydrogen sulfide is a gas that can not always be detected by smell - only in high concentrations it gives off the smell of rotten eggs. It is dangerous even in small quantities, and attacks the mucous membranes and nervous tissues, so it is important to monitor its concentration with appropriate sensors and detectors.
Sensor application
- Underground hydrogen sulphide detection
- Industrial hydrogen sulphide detection
- Environmental protection in general
- Smart agriculture
Technical specification of the sensor
- Detectable gas: hydrogen sulfide H2S
- Compatibility: Arduino, ESP32, Raspberry Pi
- Detection range: from 0 ppm to 100 ppm
- Supply voltage: 3.3 V to 5.5 V DC
- Current consumption: ＜5 mA
- Output signal: analog
- Communication interface: UART / I2C
- Operating temperature range: -20°C to 50°C
- Lifetime: > 2 years
- Sensor adapter board dimensions: 37 x 32 mm
The sensor probe has been factory calibrated which allows fast and precise measurements.
Comparative table of the calibrated sensor series from DFRobot
Comparative table of the calibrated sensor series from DFRobot
| DFR-20981 | DFR-20982 | DFR-21003 | DFR-21002 | |
|---|---|---|---|---|
| Gas type | O2 oxygen | CO gas | H2S hydrogen sulphide | CL2 chlorine |
| Detection range | 0% to 25% vol. | 0 ppm to 1000 ppm | 0 ppm to 100 ppm | 0 ppm to 20 ppm |
| Resolution | 0.1% vol. | 1 ppm | 1 ppm | 0,1 ppm |
| Output voltage range V0 | 0 V to 1.5 V | 0.6 V to 3 V | 0.6 V to 3 V | 0 V to 2 V |
| Vout1 | 1 V @ 10% vol. | 0.9 V @ 200 ppm | 1.5 V @ 50 ppm | 1.2 V @ 10 ppm |
| Response time (T90) | ≤ 15 s | ≤ 30 s | ≤ 30 s | ≤ 60 s |
Comparative table of the calibrated sensor series from DFRobot
| DFR-21001 | DFR-21000 | DFR-20999 | DFR-20998 | |
|---|---|---|---|---|
| Gas type | NH3 ammonia | SO2 sulphur dioxide | NO2 nitrogen dioxide | O3 ozone |
| Detection range | 0 ppm to 100 ppm | 0 ppm to 20 ppm | 0 ppm to 20 ppm | 0 ppm to 10 ppm |
| Resolution | 1 ppm | 0,1 ppm | 0,1 ppm | 0,1 ppm |
| Output voltage range V0 | 0.6 V to 3 V | 0.6 V to 3 V | 0 V to 2 V | 0 V to 2 V |
| Vout1 | 1.4 V @ 50 ppm | 0.9 V @ 10 ppm | 1,3 V @ 10 ppm | 0.7 V @ 5 ppm |
| Response time (T90) | ≤ 150 s | ≤ 30 s | ≤ 30 s | ≤ 120 s |
Comparative table of the calibrated sensor series from DFRobot
| DFR-20997 | DFR-20996 | DFR-21010 | DFR-20995 | |
|---|---|---|---|---|
| Gas type | H2 hydrogen | HCL hydrogen chloride | HF hydrogen fluoride | PH3 hydrogen phosphide |
| Detection range | 0 ppm to 1000 ppm | 0 ppm to 10 ppm | 0 ppm to 10 ppm | 0 ppm to 1000 ppm |
| Resolution | 1 ppm | 0,1 ppm | 0,1 ppm | 0,1 ppm |
| Output voltage range V0 | 0.6 V to 3 V | 0 V to 2 V | 0 V to 2 V | 0.6 V to 3 V |
| Vout1 | 1.3 V @ 500 ppm | 0.7 V @ 5 ppm | 0,7 V @ 5 ppm | 0.7 V @ 50 ppm |
| Response time (T90) | ≤ 120 s | ≤ 60 s | ≤ 60 s | ≤ 30 s |
Useful links
| Name | Value |
|---|---|
| Width | 14 cm |
| Height | 9.3 cm |
| Depth | 4 cm |
| Weight | 0.076 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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