Equipped with automatic temperature compensation and RS-485 communication, with optional Bluetooth.
Supports efficient data transmission and flexible sensor options.
Suitable for various outdoor environments. Can instantly calculate heat index and hazard levels.
–Application areas–
Orchid farms, greenhouses, mushroom cultivation, livestock, environmental monitoring, factory management, industrial safety.
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OA4
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| Code 1 | Sensors (Multiple Choice) | Code 1 | Sensors (Multiple Choice) | Code 2 | Communication | Code 3 | Connector |
|---|---|---|---|---|---|---|---|
| TR | Temp/RH | O2 | O2 | N | RS-485 | N | Bare Wire |
| TRHI | Temp/RH/ Heat Index (HI) | NH3 | NH3 | ||||
| CO2 | CO2 | H2S | H2S | BT | Bluetooth | C | Quick Connector |
| P2 | PM2.5 | dB | Noise | ||||
| P1 | PM10 | PR | Pressure |
| Code 1 | Sensors (Multiple Choice) | Code 1 | Sensors (Multiple Choice) |
|---|---|---|---|
| TR | Temp/RH | O2 | O2 |
| TRHI | Temp/RH/ Heat Index (HI) | NH3 | NH3 |
| CO2 | CO2 | H2S | H2S |
| P2 | PM2.5 | dB | Noise |
| P1 | PM10 | PR | Pressure |
| Code 2 | Communication | Code 3 | Connector |
|---|---|---|---|
| N | RS-485 | N | Bare Wire |
| BT | Bluetooth | C | Quick Connector |
| Power | DC Input : 9~36V | |
|---|---|---|
| Power Consumption : 1.8W | ||
| Environment | -10°C~60°C，0~100 (non-condensing) | |
| Communication | RS-485 Modbus RTU (optional Bluetooth) | |
| Physical Conditions | Dimension | 188x140 (mm) |
| Mounting Bracket Dimension | 195x90x126 (mm) | |
| Weight | ≦2kg | |
| Installation | Louver wall mounting type | |
| Housing | Material | ABS anti-UV |
| Wire length | 3 meters | |
| Certificate | CE、FCC | |
| Power | DC Input : 9~36V | |
|---|---|---|
| Power Consumption : 1.8W | ||
| Environment | -10°C~60°C，0~100 (non-condensing) | |
| Communication | RS-485 Modbus RTU (optional Bluetooth) | |
| Physical Conditions | Dimension | 188x140 (mm) |
| Mounting Bracket Dimension | 195x90x126 (mm) | |
| Weight | ≦2kg | |
| Installation | Louver wall mounting type | |
| Housing | Material | ABS anti-UV |
| Wire length | 3 meters | |
| Certificate | CE、FCC | |
| Sensors Principle | Range | T90 | Operating Temperature | Resolution | Accuracy | Environmental Equilibrium Time |
|---|---|---|---|---|---|---|
| Temp (Resistance) | -40~125℃ | <60 S | -20~60℃ | 0.1℃ | ±0.4℃ | 10min |
| RH (Capacitive) | 0~100% | <60 S | -20~60℃ | 0.1% | ±3% | 10min |
| CO₂ (Infrared) | 0~10,000ppm | <120 S | 0~50℃ | 1ppm | ±30ppm ±3% of Reading | 10sec |
| PM2.5 (Laser) | 0~1,000µg / m³ | <90 S | -10~65℃ | 0.1 µg / m³ | ±10µg / m³ ±5% of Reading | 5min |
| PM10 (Algorithm) | 0~1,200µg / m³ | <90 S | -10~65℃ | 0.1 µg / m³ | ±10µg / m³ ±5% of Reading | 5min |
| O₂ (Electrochemical) | 0~30% | <60 S | -10℃~55℃ | 0.05% | ±1 of Reading | 5min |
| NH₃ (Electrochemical) | 0~100ppm | <60 S | -10~50℃ | 0.01ppm | ±2% | 5min |
| H₂S (Electrochemical) | 0~100ppm | <60 S | -10~50℃ | 0.01ppm | ±2% | 5min |
| Sensors Principle | Range | T90 |
|---|---|---|
| Temp (Resistance) | -40~125℃ | <60 S |
| RH (Capacitive) | 0~100% | <60 S |
| CO₂ (Infrared) | 0~10,000ppm | <120 S |
| PM2.5 (Laser) | 0~1,000µg / m³ | <90 S |
| PM10 (Algorithm) | 0~1,200µg / m³ | <90 S |
| O₂ (Electrochemical) | 0~30% | <60 S |
| NH₃ (Electrochemical) | 0~100ppm | <60 S |
| H₂S (Electrochemical) | 0~100ppm | <60 S |
| Sensors Principle | Operating Temperature | Resolution |
|---|---|---|
| Temp (Resistance) | -20~60℃ | 0.1℃ |
| RH (Capacitive) | -20~60℃ | 0.1% |
| CO₂ (Infrared) | 0~50℃ | 1ppm |
| PM2.5 (Laser) | -10~65℃ | 0.1 µg / m³ |
| PM10 (Algorithm) | -10~65℃ | 0.1 µg / m³ |
| O₂ (Electrochemical) | -10℃~55℃ | 0.05% |
| NH₃ (Electrochemical) | -10~50℃ | 0.01ppm |
| H₂S (Electrochemical) | -10~50℃ | 0.01ppm |
| Sensors Principle | Accuracy | Environmental Equilibrium Time |
|---|---|---|
| Temp (Resistance) | ±0.4℃ | 10min |
| RH (Capacitive) | ±3% | 10min |
| CO₂ (Infrared) | ±30ppm ±3% of Reading | 10sec |
| PM2.5 (Laser) | ±10µg / m³ ±5% of Reading | 5min |
| PM10 (Algorithm) | ±10µg / m³ ±5% of Reading | 5min |
| O₂ (Electrochemical) | ±1 of Reading | 5min |
| NH₃ (Electrochemical) | ±2% | 5min |
| H₂S (Electrochemical) | ±2% | 5min |
| Noise Measurement Range | Frequency Range | Resolution | Accuracy | Operate Temperature |
|---|---|---|---|---|
| 30~120dB | 20~20K Hz | 0.1 dB | ≤±0.3dB | -20~60°C |
| Pressure Range | Resolution | Accuracy | Operate Temperature | |
| 300~1100 hPa | 1 hPa | ± 1 hPa | -40~+85°C | |
| Noise Measurement Range | Frequency Range | Resolution | Accuracy | Operate Temp |
|---|---|---|---|---|
| 30~120dB | 20~20K Hz | 0.1 dB | ≤±0.3dB | -20~60°C |
| Pressure Range | Resolution | Accuracy | Operate Temperature | |
| 300~1100 hPa | 1 hPa | ± 1 hPa | -40~+85°C | |
| First Level Notice | 26.7~32.2 | Third Level Danger | 40.6~54.4 |
|---|---|---|---|
| Second Level Extra Attention | 32.2~40.6 | Fourth Level Extremely Dangerous | >54.4 |
| First Level Notice | 26.7~32.2 | Third Level Danger | 40.6~54.4 |
|---|---|---|---|
| Second Level Extra Attention | 32.2~40.6 | Fourth Level Extremely Dangerous | >54.4 |
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