GS301 is a 4-in-1 LoRaWAN® bathroom odor detector to detect ammonia (NH3) and hydrogen sulfide (H2S) gas according to electrochemical principle. GS301 is also able to detect temperature and humidity to fully aware of the environment of bathrooms. When the NH3 or H2S gas concentration reaches the preset threshold, the detect or will trigger both LED light alarm and buzzer to notify people timely to ventilate, which is an important part in smart bathroom solution.
Apart from local alarms, GS301 can also report the sensor data and alarm messages remotely by the use of LoRaWAN® technology. Integrating with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can monitor all the sensor data and control the device remotely and flexibly. Moreover, GS301 supports Milesight D2D to enable ultra-low latency control without gateways.
Main Features
- Built-in high accuracy electrochemical gas detection sensor with more than 3-year-long life expectancy
- Built-in multiple sensors including NH3, H2S, temperature and humidity
- Built-in batteries to achieve wireless power supply and decrease the installation cost
- Equipped with buzzer and LED indicator to indicate threshold alarms
- Damp proof coating inside the device to ensure device working well on various conditions of bathrooms
- Support Milesight D2D protocol to enable ultra-low latency and direct ventilation control without gateways
- Built-in NFC for easy configuration
- Compatible with standard LoRaWAN® gateways and network servers
- Quick and easy management with Milesight IoT Cloud solution
Cleaner Bathroom Start with Odor Sensing
Minimalist & Practical Design
GS301 LoRaWAN® Bathroom Odor Detector is compact in size and easy to install and maintain. With damp proof coating, the detector can work on various conditions of bathrooms.
4-in-1 Sensors with High-Sensitivity
Integrated with ammonia (NH3), hydrogen sulfide (H2S), temperature and humidity sensors.
Detect ammonia (NH3) and hydrogen sulfide (H2S) gas according to electrochemical principle.
- NH3: ±5% Accuracy
- H2S: ±5% Accuracy
* It is highly recommended that sensors operate below 35°C.
Stay Informed of Foul Air
When ammonia or hydrogen sulfide concentration reaches thresholds, the alarm will be activated, including traffic lights indicator, built-in buzzer and uplink data packets. *Thresholds can be customized
Assistant to Ventilator for Clearer Air
HVAC system is empowered to automatically adjust based on the detected concentrations of ammonia and hydrogen sulfide produced from the urinal and sewer pipe.
Milesight D2D Featuring LoRa®
Support Milesight D2D protocol to enable ultra-low latency and direct ventilation control without gateways.
- Lower Latency
- Less than 1 Second Response Time
- Secure Transmission
- Reduce Investment Cost
*When Milesight D2D is enabled, LoRaWAN® protocol can operate as usual.
Multi-Year Battery Operation
GS301 has a battery life of up to 3 years
* Sensor Life can be over 3 Years
**4 x 4000mAh ER18505 Li-SOCl2 Replaceable Batteries (10 min intervals)
LoRaWAN® Based
- Compatible with Standard LoRaWAN® Gateway
- Penetrate Thick Wall
- 2 km Communication Range in Urban Areas
Easy Configuration
Switching on/off and configuring the device via NFC technology from mobile phone or PC
Flexible Installation
Specifications
| Wireless Transmission | Protocol | LoRaWAN® , Milesight D2D |
| Frequency | AS923-1&2&3&4 | |
| Tx Power | 16 dBm (868 MHz)/19 dBm (470 MHz)/22 dBm (915 MHz) | |
| Sensitivity | -137dBm | |
| Mode | OTAA/ABP Class A | |
| Sensors | ||
| Ammonia (NH3) | Detection Principle | Solid Polymer Electrochemical |
| Range | 0 ~ 10 ppm | |
| Accuracy | ± 5% (-40 – 35°C) | |
| Long-term Stability | < 1 % accuracy drift per month | |
| Resolution | 0.01 ppm | |
| Hydrogen Sulfide (H2S) | Detection Principle | Solid Polymer Electrochemical |
| Range | 0 ~ 5 ppm | |
| Accuracy | ± 5% (-40 – 35°C) | |
| Long-term Stability | < 1 % accuracy drift per month | |
| Resolution | 0.01 ppm | |
| Temperature | Range | -40 – 85°C |
| Accuracy | ± 0.2°C | |
| Resolution | 0.01°C | |
| Humidity | Range | 0 – 100%RH |
| Accuracy | ± 2% | |
| Resolution | 0.5%RH | |
| Others | LED& Buzzer | 1 × Status/Alarm Indicator + 1 × Buzzer |
| Button | 1 × Reset/Reboot Button | |
| Configuration | Mobile App via NFC | |
| Advanced Feature | Milesight D2D Controller | |
| Physical Characteristics | Power Supply | 4 x 4000 mAh ER18505 Li-SOCl2 Replaceable Batteries |
| Sensor Life | > 3 Years | |
| Battery Life | Around 3 Years (10 min interval) | |
| Operating Temperature | -40°C – 55°C | |
| Relative Humidity | 0% – 95% (non-condensing) | |
| Ingress Protection | IP30 | |
| Dimension | 120 × 85 × 32.5 mm (4.72 × 3.35 × 1.28 in) | |
| Material & Color | PC+ABS (Flame Retardant), White | |
| Installation | Wall Mounting | |
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