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Summary of Contents for Prostat PHT-771
- Page 1 DIGITAL PSYCHROMETER PHT-771 User Manual...
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Page 3: Table Of Contents
Maintenance General Specifications Copyright © 2011 by Prostat® Corporation. All rights reserved. Printed in the United States of America. No part of this manual may be used or reproduced in any manner whatsoever without written permission. For information contact Prostat Corporation, 1072 Tower Lane, Bensenville, IL 60106 USA... -
Page 4: General Operation
A. Gently turn the sensor cover towards the “Open” position until it stops. (Do not try to remove the cover) B. Turn the PHT-771 on by pressing the Red ON/OFF Button. 1. Press and hold the ON/OFF Button approximately one second. Unit will perform a short self- test when turned on. -
Page 5: Display Description
9. Maximum 10. Minimum 11. Low Battery/Hold NOTE The PHT-771 may be used with an optional second sensor (not provided). For general temperature, humidity, wet bulb and dew point measurements a second sensor is not necessary. III. Taking Measurements A. Turn the unit ON and hold the probe in the area to be tested. -
Page 6: Wet Bulb And Dew Point Measurements (No Second Sensor)
IV. Wet Bulb and Dew Point measurements (No Second Sensor) A. The PHT-771 default is to display Wet Bulb Wb in the lower right display. Wb is displayed in ° C or ° F. The Wet Bulb measurement is an indication of evaporative cooling and will be lower (cooler) than the ambient Temperature T1 measurement. -
Page 7: Data Hold Function
PHT-771 Digital Psychrometer 1. If is in Dew Point mode, the MAX Dew Point (DP) will be displayed 2. If is in the Temperature mode, the MAX Temp. (T1) will be displayed. 3. The maximum Wet Bulb (Wb) will be displayed. -
Page 8: Lo Battery Indicator
PHT-771 Digital Psychrometer IX. Automatic Power Off Feature A. When the battery power falls low, the symbol will appear on the LCD B. Replace the two (2) 1.5 ‘AAA’ batteries by removing the rear bat- tery compartment cover and accessing the battery compartment. - Page 9 PHT-771 Digital Psychrometer Rev. C / October 2011...
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Page 10: General Specifications
PHT-771 Digital Psychrometer PHT-771 Digital Psychrometer Specifications Function Range and Resolution Accuracy Humidity 0.0 to 100.0% RH ±3% RH (10 to 90%) @ 23 ° C Temperature (internal) -4.0 to 122.0 ° F (-20 to 50 ° C) ±1.8 ° F (±1 ° C) Temperature (external) -4.0 to 158.0 °... - Page 12 Specifications are subject to change without notice. All Prostat trademarks and trade names are the property of Prostat Corporation. All other trademarks and trade names are the property of their respective companies. P R O F E S S I O N A L...
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