RHT-3-O Outside Temperature & Relative Humidity Transmitter

• 0-95% RH Range
• -20°C to +50°C Temperature Range
• 3 % RH Accuracy
• High stability and reliability
• Selectable 0-5V, 0-10V or 4-20mA output
• IP65 Housing
• 3 year warranty

• RH accuracy: +/- 3% typical
• Temperature accuracy: +/- 0.3°C typical
• Sensor type: Capacitive
• Sensor protection: PTFE filter
• Long term stability: +/-1% RH at 50% RH in 5 years
• Repeatability: +/- 0.5% RH
• Hysteresis: +/-1% of span max
• Response time: 15 seconds @ 25°C, but dependant on airflow
• Supply voltage: 24Vac/dc (+/-15%) (24Vdc only for unit with 4-20mA output selected)
• Output (voltage): 0 – 10Vdc or 0 – 5Vdc at 10mA maximum load
• Output (current): 4-20mA at 500 Ohms maximum load
• Output range: Relative Humidity 0 to 95%
• Output range: Temperature Outside -20°C to +50°C
• Terminals: Rising clamp for 0.5-2.5mm² cable
• Operating Environment: -10°C to 50°C, 0-95% RH
• Dimensions, weight & protection: 115 x 80 x 52mm, 140g, IP65 (housing only)
• Country of origin: United Kingdom

Temperature & Humidity Transmitters datasheet