The testo 435-2 indoor air quality meter is designed to allow you to carry out all the measurements that are necessary to check and adjust ventilation and air conditioning systems and assess the quality of the indoor air.
But who knows better than you what your meter needs to be able to do? Below you will find a wide selection of optionally available probes and sensors that give you the freedom to configure your meter just the way you want it. Order your probes and sensors along with your meter now.
Delivery Scope
testo 435-2 indoor air quality meter including measured value memory, PC software, USB cable, calibration protocol, batteries.
| Temperature - NTC | |
|---|---|
Measuring range | -50 to +150 °C |
Accuracy | ±0.2 °C (-25 to +74.9 °C) ±0.4 °C (-50 to -25.1 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range) |
Resolution | 0.1 °C |
| Temperature - TC Type K (NiCr-Ni) | |
|---|---|
Measuring range | -200 to +1370 °C |
Accuracy | ±0.3 °C (-60 to +60 °C) ±(0.2 °C + 0.5 % of mv) (Remaining Range) |
Resolution | 0.1 °C |
| Temperature - TC Type T (Cu-CuNi) | |
|---|---|
Measuring range | -200 to +400 °C |
Accuracy | ±0.3 °C (-60 to +60 °C) ±(0.2 °C + 0.5 % of mv) (Remaining Range) |
Resolution | 0.1 °C |
| Humidity - Capacitive | |
|---|---|
Measuring range | 0 to +100 %RH |
Accuracy | See probe data |
| Absolute Pressure | |
|---|---|
Measuring range | 0 to +2000 hPa |
Accuracy | See probe data |
Resolution | 0.1 hPa |
| Velocity - Vane anemometer | |
|---|---|
Measuring range | 0 to +60 m/s |
Accuracy | See probe data |
Resolution | 0.01 m/s (60 + 100 mm Vane) 0.1 m/s (16 mm Vane) |
| Velocity - Hot wire anemometer | |
|---|---|
Measuring range | 0 to +20 m/s |
Accuracy | See probe data |
Resolution | 0.01 m/s |
| Ambient CO₂ |
|---|
| Light | |
|---|---|
Measuring range | 0 to +100000 Lux |
Accuracy | See probe data |
Resolution | 1 Lux 0.1 Hz |
| Ambient CO2 (via IAQ probe) | |
|---|---|
Measuring range | 0 to +10000 ppm CO₂ |
Accuracy | See probe data |
Resolution | 1 ppm CO₂ |
| General technical data | |
|---|---|
Storage temperature | -30 to +70 °C |
Weight | 428 g |