7545 IAQ-Calc Indoor Air Quality Meters

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7545 IAQ-Calc Indoor Air Quality Meters Specification

Resistance
High impedance

Output
Digital display, RS-232 interface

Theory
NDIR (Non-Dispersive Infrared) technology for CO2 measurement

Type
Portable IAQ Meter

Accuracy
3% of reading or 0.05 ppm for CO2 measurement

Operating Voltage
9 V alkaline battery

Output Voltage
5 VDC

Compensated Temperature
Yes, automatic compensation

Storage Temperature
-20 to 60 C

Operating Temperature
0 to 50 C

Dimensions
84 mm × 184 mm × 44 mm (3.3 in × 7.2 in × 1.7 in)

Data Logging
Yes, up to 21,500 samples

Display
Large, easy-to-read four-line backlit LCD

Weight
approx. 0.28 kg (0.62 lb) without batteries

Data Output
USB

Humidity Measurement Range
0 to 95% RH

Humidity Accuracy
±3% RH

Temperature Accuracy
±0.5°C

CO2 Measurement Range
0 to 5000 ppm

Temperature Measurement Range
-20 to 60°C (-4 to 140°F)

About 7545 IAQ-Calc Indoor Air Quality Meters

Applications:

Verify building HVAC system performance
Examine building IAQ conditions to optimize worker productivity
Comply with regulations and guidelines

Included Items:

Instrument
Hard carrying-case
(4) AA alkaline batteries
Operation and service manual
NIST calibration certificate
LogDat2 Downloading Software with USB cable
AC adapter

Features and Benefits:

Low-drift NDIR CO2 sensor for stable, accurate readings
Temperature and relative humidity measurements help determine thermal comfort
Directly calculates dew point and wet bulb temperatures
Electrochemical sensor measures CO
Calculates % outside air from either CO2 or temperature
Displays up to three parameters
Logs up to 26,900 data points with key (4) measured parameters enabled
Sampling function records multiple point measurements

Advanced Air Quality Measurement

The 7545 IAQ-Calc is engineered with NDIR technology for precision in CO2 readings. Its multiparameter sensing capability enables simultaneous monitoring of temperature, relative humidity, and carbon dioxide levels, providing a complete overview of indoor air quality. Its large backlit display ensures clear visibility and efficient operation in various lighting conditions.

Effortless Data Handling and Portability

This meters robust data logging function stores up to 21,500 samples, making long-term monitoring and analysis hassle-free. Data can be seamlessly transferred via USB or RS-232 interfaces. With an ergonomic, compact design and weight of just 0.28 kg, the IAQ-Calc is easy to carry and deploy in multiple locations.

FAQs of 7545 IAQ-Calc Indoor Air Quality Meters:

Q: How do I use the 7545 IAQ-Calc to measure indoor air quality?

A: To measure indoor air quality, simply power on the 7545 IAQ-Calc with a 9V alkaline battery, select the parameter you wish to monitor (CO2, temperature, humidity), and place the device in the area of interest. The large LCD will display real-time readings.

Q: What are the main benefits of using the 7545 IAQ-Calc for air quality monitoring?

A: This meter provides high accuracy for CO2, humidity, and temperature readings, features a large backlit LCD for ease of use, and allows comprehensive data logging and transfermaking it indispensable for ensuring safe and healthy indoor environments.

Q: When should I log data and how is it retrieved from the device?

A: Log data whenever you require trend analysis or compliance documentation. The device stores up to 21,500 samples, and you can retrieve the logged data at any time via the USB or RS-232 port for further analysis on a computer.

Q: Where can the 7545 IAQ-Calc be effectively used?

A: This portable meter is suitable for offices, schools, healthcare facilities, industrial sites, and public buildingsessentially any indoor environment where air quality monitoring is required.

Q: What process does the meter use to ensure accurate CO2 measurements?

A: The 7545 IAQ-Calc utilizes NDIR (Non-Dispersive Infrared) technology for CO2 detection and offers automatic temperature compensation. This method ensures stable and reliable readings even under varying environmental conditions.

Q: How does the device handle data output and what interfaces are available?

A: Data can be outputted digitally via USB or RS-232 interfaces, allowing for straightforward transfer of logged samples to external devices for reporting or analysis.

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