Overview
GAOTek Industrial Ammonia Sensor monitors ammonia concentration, temperature, humidity, and atmospheric pressure with high-precision MEMS/semiconductor technology. Designed for harsh environments (-40°C to +85°C), it features RS485/Modbus-RTU communication, low power (<2W), triple electrical protection, and an industrial-grade 15EDG connector for easy installation. Ideal for robust industrial applications demanding reliability and durability.
Technical Specifications:
| Hardware Specifications | |||
| Interface | |||
| Industrial serial interface | Serial port | RS485: A, B | |
| A/B: 0～5V TTL | |||
| Baud rate | 1200-115200bps, The default is 9600bps | ||
| Data bit | 8 bits | ||
| Stop position | 1 bits | ||
| Verification | No check, even check, odd check | ||
| Modbus Address | Default Address: 0x01 Broadcast Address: 0x00 | ||
| Mechanical Characteristics | |||
| Installation Method | 35mm Standard DIN Rail | Protection Grade | IP40 |
| Power Supply | |||
| Power input | DC 10~30V | Reverse connection protection | Yes |
| Overcurrent protection | Yes | Overvoltage protection | Yes |
| Power Consumption (@12V) | 0.1 W | ||
| Environmental Requirements | |||
| Working temperature | – 40 ~ 60 ℃ | Working humidity | -0% to 95%RH(non-frosting) |
| Basic Parameters | |||
| Dimension | 80*46*28.5mm | ||
| Weight | 40g | ||
| Color | White or Black | ||
| Parameter | Temperature | Humidity | |
| Range | -40°C to 85°C | 0%RH to 85%RH | |
| Accuracy | ±0.2°C @ 0 to 65°C | ±2%RH | |
| Resolution | 0.01°C | 0.01%RH | |
| Repeatability | 0.08°C | 0.15%RH | |
| Response Time | >2s | >8s | |
| Drift | <0.03°C/year | <0.25%RH/year | |
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