TSI Incorporated Airflow IAQ920 Operation And Service Manual Download Page 17

13 

Appendix A

 

 
Specifications 

Specifications are subject to change without notice. 

CO

2

Range 

0 to 5000 ppm 

Accuracy 

±3% of reading or ±50 ppm, whichever is greater 

Resolution 1 

ppm 

Sensor type 

Non-Dispersive Infrared (NDIR) 

Temperature: 

Range: 

32 to 122

°

F (0 to 50

°

C) 

Accuracy

1

: 1.0

°

F (±0.6

°

C) 

Resolution: 0.1

°

F (0.1

°

C) 

Response time:  30 seconds (90% of final value, air velocity at 2 m/s) 
Display units: 

°

F or 

°

C (user selectable) 

Type: Thermistor 

Humidity: 

Range: 

5 to 95% RH 

Accuracy

2

±3% RH (includes ±1% hysteresis) 

Resolution: 0.1% 

RH 

Response time:  20 seconds (for 63% of final value) 
Sensor type: 

Thin-film capacitive 

Instrument Temperature Range: 

Operating (Electronics): 

40 to 113°F (5 to 45°C) 

Operating (Probe): 

14 to 140°F (-10 to 60°C) 

Storage: 

-4 to 140°F (-20 to 60°C) 

Instrument Operating Conditions: 

Altitude up to 4000 meters 
Relative humidity up to 80% RH, non-condensing 
Pollution degree 1 in accordance with IEC 664 
Transient over voltage category II 

Data Storage Capabilities: 

Range: 

More than 12,700 samples and 100 test IDs (one sample 
can contain fourteen measurement types) 

Logging Interval: 

Intervals: 

1 second to 1 hour 

Time Constant: 

Intervals: User 

selectable 

Summary of Contents for Airflow IAQ920

Page 1: ...Indoor Air Quality Indoor Air Quality Meter Alnor Model CF920 AIRFLOW TM Model IAQ920 Operation and Service Manual ...

Page 2: ...nd is subject to the LIMITATIONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE TO THE EXTENT PERMITTED BY LAW THE EXCLUSIVE REMEDY OF THE USER OR BUYER AND THE LIMIT OF SELLER S LIABILITY FOR ANY AND ALL LOSSES INJURIES OR DAMAGES CONCERNING THE GOODS INCLUDING CLAIMS BASED ON CONTRACT NEGLIGENCE TORT STRICT LIABILITY OR OTHERWISE S...

Page 3: ...l AC Adapter 3 Using The Probe 3 Connecting to a Computer 3 CHAPTER 3 OPERATION 5 Keypad Functions 5 Common Terms 5 Menus 6 DISPLAY SETUP 6 SETTINGS 6 BAROMETRIC PRESSURE 6 DATA LOGGING 7 Measurements 7 Log Mode Log Settings 7 Delete Data 7 Memory 7 APPLICATIONS 7 CHAPTER 4 MAINTENANCE 9 Recalibration 9 Cases 9 Storage 9 CHAPTER 5 TROUBLESHOOTING 11 APPENDIX A SPECIFICATIONS 13 ...

Page 4: ......

Page 5: ...nt and accessories from the shipping container Check the individual parts against the list of components below If anything is missing or damaged notify TSI immediately 1 Carrying case 2 Instrument 3 USB cable 4 CD ROM with downloading software 5 Calibration collar 6 AC adapter ...

Page 6: ......

Page 7: ...he back of the AC adapter The AC adapter is not a battery charger Using The Probe The sensing probe relies on the diffusion of air For best results try to keep the sensing probe surrounded by moving air Do not breathe on the probe Humans exhale CO2 levels exceeding 10 000 ppm and it may take time for the probe to re stabilize Use the probe holder to support the probe when in continuous data loggin...

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Page 9: ...taneously Enter Key Press to accept a value or condition Arrow g or h and Menu Soft Keys Press arrow keys to change choices while setting a parameter Press the Menu soft key to select the Menu selections which are Display Setup Settings Barometric Pressure Data Logging Applications Calibration Common Terms In this manual there are several terms that are used in different places The following is a ...

Page 10: ...utes Menus DISPLAY SETUP Display setup menu is where you will setup the desired parameters to be displayed on the running screen With a parameter highlighted you can then use the ON soft key to have it show up on the running screen or select the OFF soft key to turn off the parameter Use PRIMARY soft key to have a parameter show up on the running screen in a larger display Only one parameter can b...

Page 11: ... user starts taking readings by pressing the key The instrument will continue taking samples until a set period of time has passed Auto save Cont Key and Cont time modes have the following additional Log Settings Mode Log Settings Auto save Log Interval Cont key Log Interval Cont time Log Interval Test Length Pressing the ST keys simultaneously will lock the keypad to prevent unauthorized adjustme...

Page 12: ...install this software on your computer follow the instructions on the label of the LogDat2 CD ROM To download data from the Alnor CF920 AIRFLOW IAQ920 connect the supplied computer interface USB cable to the Alnor CF920 AIRFLOW IAQ920 and to a computer USB port Then run the LogDat2 downloading software Within the LogDat2 software either select the tests to be downloaded or double click on a test t...

Page 13: ...T United Kingdom Fax 651 490 3824 Tel 44 0 149 4 459200 Fax 44 0 149 4 459700 The Alnor CF920 AIRFLOW IAQ920 can also be recalibrated in the field using the CALIBRATION menu These field adjustments are intended to make minor changes in calibration to match a user s calibration standards The field adjustment is NOT intended as a complete calibration capability For complete multiple point calibratio...

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Page 15: ...irty battery contacts Clean the battery contacts Humidity reading near zero or not believable Probe exposed to intense light Shade the probe while taking samples High CO2 levels Breathing on probe Shield probe from breath and allow instrument to re stabilize No response to keypad Keypad locked out Unlock keypad by pressing ST keys simultaneously Instrument Error message appears Memory is full Down...

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Page 17: ...RH includes 1 hysteresis Resolution 0 1 RH Response time 20 seconds for 63 of final value Sensor type Thin film capacitive Instrument Temperature Range Operating Electronics 40 to 113 F 5 to 45 C Operating Probe 14 to 140 F 10 to 60 C Storage 4 to 140 F 20 to 60 C Instrument Operating Conditions Altitude up to 4000 meters Relative humidity up to 80 RH non condensing Pollution degree 1 in accordanc...

Page 18: ... 0 6 lbs 0 27 kg Power Requirements Four AA size batteries included or AC adapter optional 9 VDC 300 mA 4 18 watts input voltage and frequency vary depending on which adapter is used 1 Accuracy with instrument case at 77 F 25 C add uncertainty of 0 05 F F 0 03 C C for change in instrument temperature 2 Accuracy with probe at 77 F 25 C Add uncertainty of 0 1 RH F 0 2 RH C for change in probe temper...

Page 19: ...ssex Business Park High Wycombe Bucks HP12 3RT United Kingdom Tel 44 0 149 4 459200 Fax 44 0 149 4 459700 E mail info airflowinstruments co uk Web www airflowinstruments co uk France Tel 33 491 95 21 90 E mail tsifrance tsi com Website www tsiinc fr Germany Tel 49 241 523030 E mail tsigmbh tsi com Website www tsiinc de Quality Assured to ISO 9001 2000 Part No 1980592 Rev C Copyright 2008 by TSI In...

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