Vaisala Humicap HMD60Y User Manual Download | Manualshive

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USER'S GUIDE

Vaisala HUMICAP

®

Humidity and

Temperature Transmitters

HMD60U/Y

U301EN11

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Summary of Contents for Humicap HMD60Y

Page 1: ...USER S GUIDE Vaisala HUMICAP Humidity and Temperature Transmitters HMD60U Y U301EN11...

Page 2: ...echanical including photocopying nor may its contents be communicated to a third party without prior written permission of the copyright holder The contents are subject to change without prior notice...

Page 3: ...connections 5 3 5 Electronics 6 4 CALIBRATION 7 4 1 One point humidity calibration 7 4 2 Two point humidity calibration 7 4 2 1 Two point humidity calibration procedure 7 4 3 Calibration table 8 5 MAI...

Page 4: ...HMD60U Y Transmitters Operating Manual U301en 1 1 ii 1997 07 31 This page intentionally left blank...

Page 5: ...re easy to install and maintain the electronics can be disconnected without dismantling the installation One point calibration is easily performed with the HMI41 indicator and the calibration cable 19...

Page 6: ...is about 5 4 RH The error is at its greatest when the temperature of the sensor differs from that of the surroundings and the humidity is high A few degrees difference in temperature may cause water...

Page 7: ...ead is installed in a duct or channel where the temperature is different from the ambient temperature insulate the point of entry An uninsulated installation might lead to condensation on the sensor h...

Page 8: ...ween the brass disk in order to achieve the best possible EMC performance Do not leave the bare shield of the connected wires so that it can shortcircuit the electronics If the cable diameter is less...

Page 9: ...nal cables to a removeable 5 pole screw connector Make connections according to Figure 3 4 RH test and T test connectors are used with the HMI41 indicator and calibration cable 19116ZZ RH T RH T T GAI...

Page 10: ...SENSOR HUMICAP180 STAINLESS STEEL SINTERED FILTER part no HM46670 TO REMOVE THE SENSOR HEAD 1 Open the lid 2 Disconnect the screw terminal 3 Open the screws 2 pcs 4 Pull out carefully TO REINSTALL THE...

Page 11: ...so be done with salt calibrators or the instrument can be sent to Vaisala or a Vaisala representative 4 2 1 Two point humidity calibration procedure Leave the calibrator and the transmitter for at lea...

Page 12: ...749 0 5 V V 3 780 3 775 3 765 3 755 3 745 0 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 sol...

Page 13: ...emperature dependence 2 0 2 0 0 2 0 1 5 1 0 0 5 0 0 5 1 0 1 5 2 0 8 0 4 0 6 0 C 1 0 1 0 3 0 5 0 7 0 RH Humidity sensor HUMICAP 180 Response time 90 at 20 C in still air 15 s with membrane filter 6 2 T...

Page 14: ...head 40 80 C Storage temperature range 40 80 C Housing sensor head stainless steel electronics housing cast aluminium Cable lead through bushing for 7 10 mm PG9 cable housing IP65 NEMA 4 part no 1894...

Page 15: ...Setup according to Performance Electrostatic discharge IEC 801 2 1991 criteria B Electrical fast transients IEC 801 4 1988 criteria B RF radiated fields IEC 801 3 1984 criteria A GSM field immunity E...

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Page 18: ...www vaisala com...

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