TSIs IAQ-Calc™ Indoor Air Quality Meter 7525 is an outstanding instrument for investigating and monitoring indoor air quality (IAQ). Model 7525 simultaneously measures and data logs multiple parameters such as carbon dioxcide (CO2), temperature, and humidity, and calculates dew point, wet bulb temperature, and % outside air.
- Low-drift NDIR CO2 sensor for stable, accurate readings
- Sampling function records multiple point measurements
- Ergonomic, overmolded case design
- Temperature and relative humidity measurements help determine thermal comfort
- Calculates percent outside air from either CO2 or temperature
- Directly calculates dew point and wet bulb temperatures
- Shows up to three parameters
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Each Unit Includes
- Instrument
- Hard carrying-case
- (4) AA alkaline batteries
- Operation and service manual
- NIST calibration certificate
- LogDat2™ Downloading Software with USB cable
- AC adaptor
Returns Policy
We accept returns within 30 days of delivery. To qualify, items must be unused, in their original condition, and returned with all original packaging and accessories.
Once we receive and inspect the returned item, we will process your refund within 7 business days. Refunds will be issued to the original payment method.
Please note: Shipping costs are non-refundable unless the return is due to a defective or incorrect item.
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