Lufft WS401 Smart Weather Sensor

Product Number: 8377.1

The WS401 is no longer available for sale. Please visit the WS401-J product page to learn more about the recommended replacement option.

Check WS401-J

Overview

Overview Benefits Specifications Resources

Overview

The WS401 is no longer available for sale. Please visit the WS401-J product page to learn more about the recommended replacement option.

Tipping bucket rain sensors' yields enables low power operation mode.

All-in-one housing concept of a compact weather sensor combining several measurement parameters in one housing with only a single cable connection.

SDI-12 and RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, and XDR.

Operating temp range 1	-50 - +60 °C
Cable Length	33 ft (10 m)
Operating humidity	0 - 100 %
Cable Connection	Open wires
Material enclosures	Plastics (PC)
Battery	No
Interface	RS485 2 wire Baud rate: 1200 - 38400 bit/s (Standard: 19200) or SDI-12
Dimensions (free text)	Ø164 (6.46 in) x 380 mm
Analogue inputs	1
Weight EU	3.3 lb (˂ 1.5 kg)
Communication	SDI-12 and RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR
Air Temperature	Accuracy: ±0.4 °F (-4 - +122 °F) or ±0.2 °C (-20 - +50 °C), otherwise ±0.9 °F (˃ -22 °F) or ±0.5 °C (˃ -30 °C) Measuring range: -58 - +140 °F (-50 - +60 °C) Measurement technology: NTC Resolution: 0.1 °C (-20 - +50 °C), otherwise 0.2 °C
Relative humidity	Accuracy: ±2 % RH Measuring range: 0 - 100 % RH Measurement technology: Capacitive
Air Pressure	Accuracy: ±0.5 hPa (0 - +104 °F) or ±0.5 hPa (0 - +40 °C) Measuring range: 300 - 1200 hPa Measurement technology: MEMS capacitive
Precipitation	Accuracy: 2.0 % Measuring range: 0 - 200 mm/h Measurement techology: Rain Gauge Tipping bucket
Power supply	12 - 24 VDC
Casing IP Rating	IP66