The KS200A is built with a factory calibrated Swiss-made precision digital sensor element using the Sensirion SHT3x series. The system is equipped with an advanced dust filter to protect the sensor element and features an IP54 rated enclosure ready for standard outdoor deployment with operating temperature range of max. 85°C.

Key features

• Integrated WiFi SoC (NodeMCU v3) pre-flashed with Tasmota for integration with Home Assistant

• Li-Ion battery backup

• MQTT protocol compliant

• NTP client for time synchronization

• Modular, serviceable, repairable design with separate MCU module and professional motherboard

• Free and subscription based cloud services available for project customers

Specification

T&H Sensor

Humidity

Typ. relative humidity accuracy 2%RH
Operating relative humidity range 0 - 100 %RH
Response time (τ63%) 8s
Calibration certificate Factory calibration

Temperature

Typ. temperature accuracy 0.2°C
Operating temperature range -40 - 125°C
Response time (τ63%) > 2s

WiFi 
802.11n, 2.4 GHz

Power
Model KS200A1:
220VAC input / 5VDC output power supply 2,000mA included in the package
Rechargeable Li-Ion battery type 18650 (2,200mAh)

Model KS200A2:
12VDC dual fault-tolerant power input as used for centralized DC power backup and solar.

Warranty
1 year

Custom builds using SHT35 or supported sensor options (over 200 variations available) are available on special order. Please contact This email address is being protected from spambots. You need JavaScript enabled to view it. for further information.

Download KS200A series datasheet