Vaisala Humicap HMD60Y User Manual

Also see for Humicap HMD60U: Operating manual Operating manual Operating manual

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Vaisala Humicap HMD60Y User Manual Manual pdf 12 page image

HMD60U/Y TransmittersOperating Manual U301en-1.18 1997-07-314.3 Calibration tableTemperature °C 15 20 25 30 35°F 59 68 77 86 95LiCl %RH *) 11.3 11.3 11.3 11.34...20 mA mA 5.81 5.81 5.81 5.810...20 mA mA 2.26 2.26 2.26 2.260...1 V V 0.113 0.113 0.113 0.1130...5 V V 0.565 0.565 0.565 0.5650...10 V V 1.13 1.13 1.13 1.13NaCl %RH 75.6 75.5 75.3 75.1 74.94...20 mA mA 16.10 16.08 16.05 16.02 15.980...20 mA mA 15.12 15.10 15.06 15.02 14.980...1 V V 0.756 0.755 0.753 0.751 0.7490...5 V V 3.780 3.775 3.765 3.755 3.7450...10 V V 7.56 7.55 7.53 7.51 7.49*) LiCl solution must not be used or stored in temperatures below +18 °C (+64 °F);otherwise the equilibrium humidity of the salt solution changes permanentlyTable 1 Greenspan’s calibration table with output values according tothe chosen scale5. MAINTENANCE5.1 Replacing the HUMICAP180 sensor and the filterRemove the damaged sensor and insert a new one. Handle the sensor by theplastic socket. DO NOT TOUCH THE SENSOR PLATE. Recalibrate thetransmitter.Replace a dirty filter (membrane or sintered) to ensure a maximum lifetimeand a fast response for the sensor. Do not try to clean the filter.