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Summary of Contents for TSI Instruments IAQ-Calc 7525
- Page 1 ™ IAQ-Calc Indoor Air Quality Meter Model 7525 Operation and Service Manual P/N 1980572, Revision G November 2024 www.tsi.com...
- Page 2 Start Seeing the Benefits of Registering Today! ® ® Thank you for your TSI instrument purchase. Occasionally, TSI releases information on software updates, product enhancements and ® new products. By registering your instrument, TSI will be able to send this important information to you. http://register.tsi.com As part of the registration process, you will be asked for your comments on TSI products and services.
- Page 3 Copyright TSI Incorporated / 2007–2024 / All rights reserved. Address TSI Incorporated / 500 Cardigan Road / Shoreview, MN 55126 / USA Fax No. (651) 490-3824 LIMITATION OF WARRANTY AND LIABILITY (effective May 2024) (For country-specific terms and conditions outside of the USA, please visit www.tsi.com.) Seller warrants the goods, excluding software, sold hereunder, under normal use and service as described in the operator's manual (version published at the time of sale), to be free from defects in workmanship and material for the longer period of either 24...
- Page 4 OF THE PURCHASE PRICE, OR, AT THE OPTION OF SELLER, THE REPAIR OR REPLACEMENT OF THE GOODS. IN THE CASE OF SOFTWARE, SELLER WILL REPAIR OR REPLACE DEFECTIVE SOFTWARE OR IF UNABLE TO DO SO, WILL REFUND THE PURCHASE PRICE OF THE SOFTWARE. IN NO EVENT SHALL SELLER BE LIABLE FOR LOST PROFITS, BUSINESS INTERRUPTION, OR ANY SPECIAL, INDIRECT, CONSEQUENTIAL OR INCIDENTAL DAMAGES.
- Page 5 CONTENTS CHAPTER 1 UNPACKING AND PARTS IDENTIFICATION .... 1 CHAPTER 2 SETTING-UP ..............2 Supplying Power to the Model 7525 ..........2 Installing the Batteries ............... 2 Using the Optional AC Adapter ..........2 Using The Probe ................2 Connecting to a Computer .............. 2 CHAPTER 3 OPERATION ..............
- Page 7 Chapter 1 Unpacking and Parts Identification Carefully unpack the instrument 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.
- Page 8 Chapter 2 Setting-up Supplying Power to the Model 7525 IAQ-Calc™ Indoor Air Quality Meter The Model 7525 can be powered in one of two ways: four size AA batteries or the optional AC adapter. Installing the Batteries Insert four AA batteries as indicated by the diagram located on the inside of the battery compartment.
- Page 9 C A U T I O N This symbol is used to indicate that the data port of the Model 7525 IS NOT intended for connection to a public telecommunications network. Connect the USB data port only to another USB port. Setting-up...
- Page 10 Chapter 3 Operation Keypad Functions Press to turn the Model 7525 on and off. During the ON/OFF Key power up sequence the display will show the following: Model Number, Serial Number and Software Revision. Arrow () Keys Press to scroll through choices while setting a parameter.
- Page 11 Logging Interval The logging interval is a frequency period that the instrument will log readings. For example, if the logging interval is set to 30 minutes, each sample will be the average of the last 30 minutes. Menus DISPLAY SETUP Display setup menu is where you will setup the desired parameters to be displayed on the running screen.
- Page 12 In Cont-key mode, the user starts taking readings and logging ◼ by pressing the key. The instrument will continue taking measurements until the key is pressed again. Auto-save and Cont-Key modes have the following additional ◼ Log Settings: Mode Log Settings Auto-save...
- Page 13 Chapter 4 Maintenance The Model 7525 requires very little maintenance to keep it performing well. Recalibration ® To maintain a high degree of accuracy in your measurements, TSI ® recommends that you return your Model 7525 to TSI for annual recalibration.
- Page 14 Chapter 5 Troubleshooting Table 5-1 lists the symptoms, possible causes, and recommended solutions for common problems encountered with the Model 7525. If your symptom is not listed, or if none of the solutions solves your ® problem, please contact TSI Table 5-1: Troubleshooting the Model 7525 Symptom Possible Causes...
- Page 15 Appendix A Specifications Specifications are subject to change without notice. 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 140F (0 to 60C) Accuracy ±1.0F (±0.6C) Resolution:...
- Page 16 External Meter Dimensions: 3.3 in. 7.0 in. 1.8 in. (8.4 cm 17.8 cm 4.4 cm) Meter Probe Dimensions: Probe Length: 7.0 in. (17.8 cm) Probe Diameter of Tip: 0.75 in. (1.9 mm) Meter Weight: Weight With Batteries: 0.6 lbs (0.27 kg) Power Requirements: Four AA-size batteries (included) or AC adapter (optional) 9 VDC,...
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