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Description
Testo 535 Digital CO₂ Meter (0563 0535)
— a compact, highly accurate carbon dioxide measuring instrument that lets technicians quickly verify indoor air quality, assess workplace ventilation and document results with the Testo Smart App. It measures 0–10,000 ppm CO₂ using a long-term stable infrared sensor and sounds an audible alarm on threshold breaches. No dramas—fast, accurate, and built for Australian job sites.
Key Features & Trade Benefits
- 0–10,000 ppm range — capture precise indoor air quality (IAQ) metrics accurately, so your ventilation checks hold up.
- Long-term stable NDIR sensor — highly reproducible and comparable measurement results without the need for frequent recalibration.
- Highly accurate — ensures reliable indoor climate assessments and fewer call-backs.
- Smart App workflow — configure thresholds, view trends, store readings and export PDF/CSV reports straight from site—too easy.
- Timed & point averaging — document realistic IAQ performance over time, not just snapshots.
- Audible limit alarm — set max CO₂ targets and get a beep when levels drift—saves time during audits.
- Rugged, lightweight build (IP40 instrument) — easy to carry and tough enough for daily site work.
Why This Product Matters
On a Sydney office fit-out or a school HVAC upgrade, you’re checking ventilation effectiveness. With the 535, you’ll nail the target 800–1000 ppm brief in minutes, log averages, and export a clean report before the lift hits ground. Fair dinkum time-saver. If you’re comparing options, see our Environmental Testers to build out your test kit.
Tip: Many AU regulators reference AS 1668.2 for mechanical ventilation and acceptable indoor air quality—use a reliable meter and document it properly.
Tradie Pro Tip: Keep the sensor well-exposed in the breathing zone (e.g., desk height) and avoid breathing directly onto the probe. Then, log multi-point and timed averages for each room. Name locations in the Smart App as you go—she’ll be right when the report lands.
Compatibility & System Info
- Measured gases: Ambient carbon dioxide (CO₂).
- Smart App: iOS 13+ / Android 8.0+ via Bluetooth (BLE 4.2 or higher).
- Use cases: Offices, schools, commercial buildings, healthcare, retail, and facility maintenance.
Local Jobsite Note (AU)
From stuffy meeting rooms in Melbourne to crowded retail spaces in Brisbane, poor airflow can cause sudden CO₂ spikes. Use timed averaging and the alarm to track overall ventilation performance and keep it tidy—no worries.
What’s Included
- Testo 535 Digital CO₂ Meter (0563 0535)
- Transport bag
- Calibration protocol
- 3 × AA batteries
As per datasheet delivery scope.
Instructions / Manual:
Specifications
| Item | Spec |
|---|---|
| Measuring range | 0 to 10,000 ppm CO₂ |
| Accuracy | ±(100 ppm + 5% of m.v.) |
| Resolution | 1 ppm |
| Sensor | 2-channel infrared sensor (NDIR) |
| Functions | Point & timed averaging, audible limit alarm, Bluetooth® App reporting |
| Operating temp | 0 to +50 °C |
| Protection class | Instrument IP40; probe IP20 |
| Power | 3 × AA; ~30 h |
| Dimensions / weight | 229 × 60 × 28 mm; 229 g |
Verified from Testo datasheet & manual.
Warranty & Returns
Testo AU warranty: instruments 24 months (typical), accessories 12 months. Register with Testo for possible extended coverage. HVAC Shop standard returns apply.
Common Questions for Testo 535 Compact CO2 Measuring Instrument with Smart App 0563 0535
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