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TSI7515/7525/7535/7545 Indoor Air Quality Meter
TSI's IAQ-Calc tester is an excellent instrument for indoor air quality research and monitoring. 7515 is a low-cost instrument for testing CO2. 7535 h
Product details
Overview of Indoor Air Quality Meter Products:
TSI's IAQ-Calc tester is an excellent instrument for indoor air quality research and monitoring. 7515 is a low-cost instrument for testing CO2. 7535 has added the function of automatically storing CO2 data. 7525 and 7545 can measure and store multiple parameters simultaneously. 7525 can measure CO2, temperature, humidity, and calculate dew point temperature, wet bulb temperature, and relative humidity of outdoor air. 7545 can also measure CO
Features and advantages (all models)
CO2 sensor with stable and accurate measurement of low drift NDIR
The sampling function can record multi-point measurement data
● Ergonomic exterior design
| 7525 and 7545 models | Application scope |
| Temperature and relative humidity measurements help determine thermal comfort | Verify the operation of the HVAC system in the building |
| Calculate the percentage of outdoor air based on CO2 or temperature | Check the air quality inside the building to improve personnel work efficiency |
| Directly calculate dew point temperature and wet bulb temperature | Meet the requirements of standard specifications |
| Electrochemical sensor for measuring CO (7545) | |
| 7525 and 7545 can maximize the display of 3 parameters | |
| 7515 and 7535 can only display one parameter | |
| Data recording function for models 7525, 7535, and 7545 | |
| Simultaneously display all measured parameters and record data with time and date markings | |
| TSI LogDat2TM software makes data transfer with computers more convenient | |
| You can browse data on the instrument screen or download it to a computer to generate reports | |
| The statistical data function can display the average value, maximum value, minimum value, and the number of sampled data points | |
| TSI LogDat2TM software makes data transfer with computers more convenient | |
| You can browse data on the instrument screen or download it to a computer to generate reports | |
| The statistical data function can display the average value, maximum value, minimum value, and the number of sampled data points | |
Technical Parameter
| / | / | 7515 | 7525 | 7545 | 7535 |
| carbon dioxide | sensor type | Dual wavelength NDIR (non diffuse infrared method) | |||
| range | 0∼5000ppm | ||||
| accuracy | ± 3.0% or ± 50ppm of the reading, whichever is greater | ||||
| resolution | 1ppm | ||||
| response time | 20s | ||||
| temperature | sensor type | / | Thermistor type | / | |
| range | 0∼60℃ | ||||
| error | ± 0.6℃ | ||||
| resolution | 0.1℃ | ||||
| response time | At a wind speed of 2 m/s for 30 seconds, the temperature reaches Up to 90% of the final value |
||||
| relative humidity | sensor type | / | Thin film capacitive type | / | |
| range | 5∼95％RH | ||||
| accuracy | ± 3.0％RH | ||||
| resolution | 0.1％RH | ||||
| response time | 20s | ||||
| outdoor air percentage |
range | / | 0∼100％ | / | |
| resolution | 0.1％ | ||||
| carbon monoxide | sensor type | / | / | electrochemical sensor | / |
| range | 0∼500ppm | ||||
| error | ± 3.0% or ± 3ppm of the reading, Take the larger value |
||||
| resolution | 0.1ppm | ||||
| response time | <60s (reading changes) 90% conversion time |
||||
| operate temperature | 5∼45℃ | ||||
| storage temperature | -20∼60℃ | ||||
| Instrument volume | 8.4 × 17.8 × 4.4cm | ||||
| Probe size | 7cm in length and 1.9cm in diameter | Length 17.8cm, diameter 1.9cm | |||
| time constant Storage interval |
/ | 1s, 5s,10s,20s,30s 1 second to 1 hour (user selectable) |
/ | ||
| Data recording function (including all measurable parameters) |
/ | Zui up to 30300 set of data |
Zui up to 26900 set of data |
Zui up to 40300 set of data |
|
| Weight (including power supply) | 0.27kg | ||||
| power supply | 4 AA batteries | 4 AA batteries or AC adapter | |||
Function Comparison Table:
| / | 7515 | 7525 | 7535 | 7545 |
| CO2 | ● | ● | ● | ● |
| CO | / | / | ● | |
| humidity | / | ● | / | ● |
| Outdoor% | / | ● | / | ● |
| Dew point temperature | / | ● | / | ● |
| temperature | / | ● | / | ● |
| Wet bulb temperature | / | ● | / | ● |
| Data recording/downloading | / | ● | ● | ● |
| data statistics | ● | ● | ● | ● |
| Data browsing | ● | ● | ● | |
| printer output | ● | ● | ● | ● |
| CALIBRATION CERTIFICATE | ● | ● | ● | ● |
Comparison Table of Old/New Models: T=Temperature; P=pressure (static pressure/differential pressure); V=wind speed; RH=relative humidity
| old model | new model | New model features | Data storage method | |
| indoor air Quality Instrument |
8372 | 7515 | CO2 | not have |
| 8760 | 7525 | T,CO2, CO, RH, outdoor air Percentage, dew point, wet bulb temperature |
Manual, automatic, continuous | |
| N/A | 7535 | CO2 | Manual, automatic | |
| 8762 | 7545 | T,CO2, CO, RH, outdoor air Percentage, dew point, wet bulb temperature |
Manual, automatic, continuous | |
Indoor Air Quality Meter Indoor Air Quality Meter
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