
DFRobot's factory-calibrated Gravity electrochemical gas sensors: one 30 x 25 mm board DFRobot sell as twelve items, each with the cartridge for one gas. Gas picks the item: its DFRobot number, what it measures across and how finely.
- Made by
DFRobot- SKU
- SEN0466
- Kind
- Circuit board (PCB)
- Licence
- CC BY-SA 4.0
- Keywords
- dfrobot, gravity, gas sensor, electrochemical, air quality, sen0465, sen0467, sen0468, sen0469, sen0470, sen0471, sen0472, sen0473, sen0474, sen0475, sen0476, co, o2, h2s, cl2, nh3, no2, o3, so2, hcl, hf, ph3, h2, sen0466, carbon monoxide, ammonia, oxygen, hydrogen sulfide, i2c
| Overall size (X × Y × Z) | 37.1 × 32 × 31.9 mm |
|---|---|
| PCB size | 37 × 32 mm |
| PCB thickness | 1.6 mm |
| Mounting holes | 4 × Ø3.1 mm |
| Through-hole pads | 10 |
| Components | 6 |
| Type | electrochemical gas sensor |
| Function | gas sensor |
| Interface | I2C, UART, analog |
| Supply voltage | 3.3-5.5 V |
| Current | <5 mA |
| Resolution | 1 ppm |
| Range | 0-1000 ppm |
| Line | Gravity |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 3 | SMD Capacitor0603 | B1, B2, B3 | X7R SMD MLCC series datasheet (KEMET) | |
| × 2 | SMD Resistor0603 | B4, B5 | RC_L series datasheet (Yageo) | |
| × 1 | DFRobot Component, 31.3 x 24.6 x 5.8 mm (tan) | B6 |
Variations

Gravity Electrochemical Gas Sensor — Oxygen (O2)
Gravity Electrochemical Gas Sensor — Carbon monoxide (CO)
Gravity Electrochemical Gas Sensor — Hydrogen sulfide (H2S)
Gravity Electrochemical Gas Sensor — Chlorine (Cl2)
Gravity Electrochemical Gas Sensor — Ammonia (NH3)
Gravity Electrochemical Gas Sensor — Sulfur dioxide (SO2)
Gravity Electrochemical Gas Sensor — Nitrogen dioxide (NO2)
Gravity Electrochemical Gas Sensor — Ozone (O3)
Gravity Electrochemical Gas Sensor — Hydrogen (H2)
Gravity Electrochemical Gas Sensor — Hydrogen chloride (HCl)
Gravity Electrochemical Gas Sensor — Hydrogen fluoride (HF)
Gravity Electrochemical Gas Sensor — Phosphine (PH3)


