Shortridge Instruments AIRDATA ADM-870C User Manual

ADM-870C 07/14/09ii
9.0 AIR FLOW MEASUREMENT 37
9.1 FLOWHOOD FUNCTION 37
9.2 BACKPRESSURE COMPENSATION 37
10.0 FLOWHOOD ASSEMBLY 38
10.1 UNPACKING 38
10.2 FRAME ASSEMBLIES 38
10.3 FABRIC TOPS 38
10.4 TOP SUPPORT ASSEMBLY 38
10.5 HANDLE 39
11.0 FLOWHOOD OPERATING PROCEDURE 44
11.1 AIR FLOW - NONBACKPRESSURE COMPENSATED READINGS 44
11.2 AIR FLOW - BACKPRESSURE COMPENSATED READINGS 44
11.2.1 MEMORY DISPLAY IN FLOWHOOD MODE 45
11.2.2 RATIO ERR DISPLAY 45
12.0 SPECIAL BALANCING PROCEDURES 46
12.1 PROPORTIONAL BALANCING 46
12.2 LARGE RETURN AIR GRILLES 46
12.3 KITCHEN EXHAUST HOODS 46
12.3.1 RANGE EXHAUST FILTERS AND GREASE EXTRACTORS 46
12.4 CONSTANT VOLUME CONTROLLERS 46
12.5 LINEAR SLOT DIFFUSERS 47
12.6 SIDEWALL REGISTERS 47
12.7 14"x14"x14" SHORT TOP SET 47
12.8 SYSTEM PROBLEMS 47
13.0 CORRECTION FACTORS 48
13.1 BAROMETRIC PRESSURE DENSITY CORRECTION 48
13.2 TEMPERATURE DENSITY CORRECTION 48
13.3 RELATIVE HUMIDITY CORRECTION 48
13.4 HOT WIRE ANEMOMETER VERSUS AIRDATA MULTIMETER 48
14.0 METER ACCURACY FIELD TESTING 50
14.1 METER ZERO FUNCTION 50
14.2 DIFFERENTIAL PRESSURE FUNCTION 50
14.3 ABSOLUTE PRESSURE FUNCTION 50
14.4 AIR FLOW ACCURACY 50
14.5 DUCT TRAVERSE COMPARISON, INCLINED MANOMETER OR MICROMANOMETER 51
14.6 DUCT TRAVERSE USING THE AIRDATA MULTIMETER 51
14.7 BACKPRESSURE COMPENSATED COMPARISON READING 51
14.8 NONBACKPRESSURE COMPENSATED READING 51
15.0 METER MAINTENANCE 52
16.0 FLOWHOOD MAINTENANCE 52
17.0 RECALIBRATION AND REPAIR INFORMATION 53
AIR BALANCE MANUALS & TRAINING PROGRAMS 53
WARRANTY 54
APPENDIX A - NIST VELOCITY TESTING 55
APPENDIX B - LABORATORY DIFFERENTIAL PRESSURE TEST 56
APPENDIX C - BATTERY TEST PROCEDURE 57
REPLACEMENT PARTS LIST 59
INDEX 61
Copyright © Shortridge Instruments, Inc., 2009. All rights reserved. This information may not be reproduced or duplicated in
any manner, or for any purpose, without permission in writing from Shortridge Instruments, Inc. Addendums or revisions made
to this manual after July 2009 may be found at www.shortridge.com.

Shortridge Instruments AIRDATA ADM-870C Specifications

General

Brand	Shortridge Instruments
Model	AIRDATA ADM-870C
Category	Multimeter
Language	English