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SenseCAP ORCH S4 is a four-in-one weather sensor monitoring parameters of air temperature, humidity, barometric pressure, and light intensity. It supports both MODBUS (MODBUS-RTU/MODBUS-ASCII) and SDI-12 and a wide range of power voltage from 3.6V to 16V.

Note: SenseCAP ORCH S4 comes in two versions. The main difference is in the cable connector. Please choose the version that best suits your needs

(1) Version A1A: with hook-up wires. It can be used with the SenseCAP LoRaWAN® Data Logger to connect with the local LoRaWAN® network, enjoying the benefits of low-power and long-range communication.

(2) Version A1B: with a waterproof aviation connector. This version saves you time in deployment as you won’t have to use screws to connect the cable to the data logger. It can be used with SenseCAP Sensor Hub 4G Data Logger instantly with ease.

Features

Solid Performance: High reliability, superior stability, and ultra-low power consumption

3-in-1 Sensor: Measures air temperature, humidity, barometric pressure, and light in 1 single sensor

Universal Protocols: MODBUS RS-485 or SDI-12

Wide Range Power Supply: Can be powered with supply voltage within 3.6V ~ 16V

Strong Robustness: IP66 enclosure, suitable for outdoor applications and extremely complicated environment

User-friendly: Easy to integrate and install with build-in data pre-processing

Description

SenseCAP ORCH S4 is an Air Temperature / Humidity / Atmospheric Pressure / Light four-in-one weather instrument featuring solid performance, ultra-low power consumption, and easy installation. It integrates 4 sensors to monitor parameters of air temperature, humidity, barometric pressure, and light intensity. With strong robustness, it is particularly suitable to operate in severe environments both indoors and outdoors. This version (A1B) comes with a waterproof aviation connector, saving you time and effort in connecting the sensor to a data logger with hook-up wires and screws.

This weather instrument supports two universal standard protocols: MODBUS (MODBUS-RTU/MODBUS-ASCII) and SDI-12. With a wide range of power voltage from 3.6V to 16V and ultra-low power consumption, ORCH S4 has ensured durability to maintain long-term meteorological monitoring. The built-in data pre-processing enables users to unlock and complete new system development and integration in a convenient manner. This weather transmitter also comes with a solar radiation shield which effectively reduces the impact of solar radiation, thus further guaranteeing data accuracy. As an industrial-grade product, its IP66 enclosure also protects the sensors from rain, dust, and UV.

As an indispensable component of weather stations, ORCH S4 meteorological sensors can be widely applied to a variety of environments, including smart agriculture, smart city, smart building, etc. This product has been deployed in strawberry greenhouses in Shandong Province in northern China with great customer feedback.

Applications:

Smart Agriculture

Greenhouse

Smart Industry

Smart Cities

Environmental Monitoring

Other IoT Sensor Applications

Note

Please email sensecap[at]seeed[dot]cc to request any technical support for this product.

Soil Condition & Water Quality Sensors

While this product enables you to monitor weather conditions, you might also need to monitor other parameters in your projects. Please kindly check out the following industrial-grade sensors for monitoring soil/water conditions: Soil Moisture & Temperature Sensor; Soil Moisture, Temperature & EC Sensor; pH Sensor; and EC & TDS Sensor.

Specifications:

MODBUS RS-485
Power Supply	3.6V ~ 16V
Current Consumption	Vin=16V: 3.6mA (typical) Vin=12V: 4.7mA (typical) Vin=5V: 11.0mA (typical) Vin=3.6V: 14.5mA (typical)
Warm-up Time	250ms (typical)
Scan Interval	1s
Poll Rate	1Hz
Response Time	≤ 4ms

General Parameters
Product Model	SenseCAP ORCH S4 (A1B)
Power Supply	3.6 ~ 16V
Protocol	MODBUS-RTU RS485/ MODBUS-ASCII RS485/ SDI-12 (v1.4)
IP Rating	IP66 (water-proof box)；IPX5 (solar radiation shield)
Operating Temperature	-40 ℃~ +65 ℃
Operating Humidity	0 ~ 100 %RH （non-condensing）

Barometric Pressure
Parameters	Condition	Value
Range	–	300-1100 hPa
Resolution	–	1 Pa
Relative Accuracy	700 to 900 hPa 25 to 40 °C	±0.12 hPa
Absolutely Accuracy	300 to 1100 hPa -20 to 0 °C	±1.7 hPa
Absolutely Accuracy	300 to 1100 hPa 0 to 65 °C	±1.0 hPa
Temperature Coefficient Offset	900 hPa 25 to 40 °C	1.5 Pa/K
Drift	–	±1.0 hPa/year

Air Temperature
Range	-40 °C to +85 °C
Accuracy	±0.2 °C
Resolution	0.1 °C
Drift	< 0.03 °C /year
Air Humidity
Range	0 to 100 %RH
Accuracy	±1.5 %RH
Resolution	1 %RH
Drift	< 0.25 %RH/year
Light Intensity
Range	0 to 188000 Lux
Accuracy	±1.5%
Resolution	0.045 Lux