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Product Features
  • Temperature and relative humidity measurements help determine thermal comfort

  • Calculates percentage outside air from either CO2 or temperature

  • Directly calculates dew point and wet bulb temperatures

  • Electrochemical sensor measures CO (Model 7545)

  • Displays up to three parameters

  • TSI LogDat2™ software permits easy transfer of data to a computer

  • Data can be reviewed on-screen, or downloaded to a computer for easy report generation

  • Statistics function displays average, maximum and minimum values, and the number of recorded samples

Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

The TSI 7545 IAQ Meter simultaneously measures and data logs multiple parameters, including CO, CO2, temperature, humidity; and calculations are dew point, wet bulb temperature, and percent of outside air.

TSI's IAQ-Calc™ Indoor Air Quality Meter 7545 is an outstanding instrument for investigating and monitoring indoor air quality or IAQ.

The proprietary TSI LogDat2™ Downloading Software permits easy transfer of data to a computer. Data can be reviewed on-screen, or downloaded to a computer for easy report generation. Statistics function displays average, maximum and minimum values, and the number of recorded samples.

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

Carbon monoxide:

- Sensor: Electro-chemical
- Range: 0 to 500 ppm
- Accuracy: +/- 3.0% of reading or +/- 3 ppm, whichever is greater
- Resolution: 0.1 ppm
- Response time: <60 seconds to 90% setp charge

Carbon Dioxide:

- Sensor: Dual-wavelength NDIR (non-dispersive infrared)
- Range: 0 to 5,000 ppm
- Accuracy: +/- 3.0% of reading or +/- 50 ppm, whichever is greater
- Resolution: 1 ppm
- Response time: 20 seconds

Relative Humidity:

- Sensor: Thin-film capacitive
- Range: 5% to 95% RH
- Accuracy: +/- 3% RH
- Resolution: 0.1% RH
- Response time: 20 seconds

Temperature:

- Sensor: Thermistor
- Range: 0 to 60 C (21 to 140 F)
- Accuracy: +/- 0.5 C to 1 F
- Resolution: 0.1 C/0.1 F
- Response time: 30 seconds

Datalogger:

- Range: 26,900 data points with key (4) measured parameters enabled
- Time constant: 1 sec, 5 sec, 10 sec, 20 sec, 30 sec (user selectable)
- Log intervals: 1 second up to 1 hour (user selectable)
- Probe length: 7 in. (17.8 cm)
- Probe Diameter: 0.75 in. (1.9 cm)
- Probe dimensions: 3.3 in. x 7.0 in. x 1.8 in. (8.4 cm x 17.8 cm x 4.4 cm
Part Numbers
  • 7545 - IAQ Meter, CO2, Temp, Humidity, CO, Data Logging
  • 7545-AC - IAQ meter, CO2, CO, temp, humidity and data logging with accredited calibration
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