远传型数字温湿度传感器 DT284

Technical Specification

PERFORMANCE
Measurement Range (RH)	0-100% RH
Measurement Range (T)	-30 to +140°C
Accuracy RH @ 23°C	<±2% RH (5-95% RH)
Accuracy T @ 23°C	±0.4°C
Stability - RH Sensor	<±1% RH/year
Response Time	<10 sec typical (for 90% of the step change)
ELECTRICAL INPUT/OUTPUT
Output Signal	0–1 VDC, 0–5 VDC, 0–10 VDC 0–20 mA, 4–20 mA (3 wires) RS485
Supply Voltage	15 ≤ VAC ≤ 27 18 ≤ VDC ≤ 38
Load Resistance	Current output: R ≤ 500 Ω
Current Consumption	1.7 W
OPERATING CONDITIONS
Operating Temperature	Probe: -30 to +140°C Housing: -30 to +70°C Storage: -40 to +70°C
Operating Humidity	Probe: 0–100% RH Housing: 0–100% RH Storage: 0–100% RH
MECHANICAL SPECIFICATIONS
Ingress Protection Sensor	IP67
Material	Housing: Aluminium die casting Probe: Stainless steel
Electrical Connections	Screw terminals
Dimensions	Housing: 120 x 120 x 49.5mm Probe: L = 250/500mm, ø12mm
Weight	450g