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Indoor Air Quality 

 

 

 

 

IAQ-C

ALC

TM

 

Indoor Air Quality Meter 

Model 7525 

 
 

Operation and Service Manual 

 

ENERGY AND COMFORT

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for IAQ-CALC 7525

Page 1: ...Indoor Air Quality IAQ CALCTM Indoor Air Quality Meter Model 7525 Operation and Service Manual ENERGY AND COMFORT www com information itm com 1 800 561 8187 ...

Page 2: ...ect 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 SHALL BE TH...

Page 3: ...e 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 www com information itm com 1 800 561 8187 ...

Page 4: ...om 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 www com information itm com 1 800 561 8187 ...

Page 5: ...ck 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 logging mod...

Page 6: ...ept 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 and Calibration Common Terms In this manual there are several terms that are used in different places The following is a brief explanation of the mea...

Page 7: ...UP 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 be selected as a primar...

Page 8: ...gs Auto save Log Interval Cont key Log Interval Pressing the ST keys simultaneously will lock the keypad to prevent unauthorized adjustments to the instruments To unlock the keypad press the ST keys simultaneously Delete Data Use this to delete all data delete test or delete sample Memory This option displays the memory available Delete All under Delete Data will clear memory and reset the memory ...

Page 9: ...ied computer interface USB cable to the Model 7525 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 to open it www com information itm com 1 800 561 8187 ...

Page 10: ...ld 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 calibration and certification the instrument must be returned to the factory Cases If the instrument case or storage case needs cleaning wipe it off with a soft cloth and isopropyl alcohol or a...

Page 11: ...y 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 Download data if desired then DELETE ALL m...

Page 12: ...cy3 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 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 vol...

Page 13: ...ower 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 Add 0 2 F 0 2 C away from calibration temperature 2 At 77 F 25 C Add uncertainty of 0 2 F 0 2 C away from calibrated temperature 3 At 77 F 25 C Add uncertainty of 0 03 RH F 0 03 RH C away from calibrated temperature www com informati...

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