The sensor 8091 is a precision measuring instrument for measuring relative humidity and air temperature. It is designed for high-quality use in building services, industry etc.Special resistance to air pollutants is achieved by the use of a high-quality capacitive measuring element which, in combination with the sophisticated electronics, guarantees outstanding measuring accuracyFeatures– Precision measuring instrument for high-quality use in building services, industry etc.- Capacitive humidity measuring element- Temperature measuring element: Pt100- Signal output humidity: 0…100 % r. h. = 4…20 mA/ resp. 0…100 % r. h. = 0…10 VDC- Signal output temperature: -30…+70 C = 4…20 mA/ resp. -30…+70 C = 0…10 VDC- Special resistance to air pollutants- High long term stability- Maintenance free

Specifications

– Meas. range air temperature: -30…+70 C- Meas. range rel. humidity: 0…100 % r. h.- Accuracy air temperature: +/- 0.3C (4…20 mA); plus +/- 0.007 K/K (less than 10 C, more than 40 C)- Accuracy rel. humidity: +/- 2 % r. h. (5…95 % r. h. at 10…40 C); plus less than 0.1 %/ K (less than 10 C, more than 40 C)- Response time: less than 1 min- Long-term stability: typical under normal conditions less than 1% r. h./ year- Output: 00.08091.000042: 4…20 mA/00.08091.000012: 0…10 VDC- Supply voltage: 00.08091.000042: 12…30 VDC/00.08091.000012: 15…30 VDC- Power consumption: max. 45 mA- Measuring elements: capacitive, Pt100, IEC 751 class B- Dimensions: H 180 mm x 20 mm- Housing: aluminium lacquered grey-white- Protection class: IP 65, membrane filter as sensor protection IP 30- Weight: 0.34 kg- Standards: CE/ EMV: DIN 50082-2 EN 550011 cl. B