Humidity +temperature, wall, 3%, 0-10vDC/0-40C

If you need the 2% accuracy option, there is a version with a display screen, H1N-211701,

Specifications
Relative Humidity
Sensor: Digital polymer
Range: 0~100%RH
Output:  0~10VDC (3 wires),
Accuracy: 3%RH (25°C, 20~80%RH)
Hysteresis: <±1%RH
Response time: <10s (25°C, in slow air)
Drift: <±0.5%RH/year
Temperature
Sensor: Digital, RTD
Range: 0~40°C
Output: see Models
Accuracy: transmitter: <±0.4°C(0.3°C) @ 5~60°C,
Power: Current: 18.5~35VDC (RL=500Ω); 8.5~35VDC (RL=0Ω)
Voltage: 16~28VAC/ 16~35VDC

(HT-1201-UR)