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|---|---|
| Accuracy | ±0,2 °C ±1 Digit (−25 to +74,9 °C) ±0,5 % of mv ±1 Digit (Remaining Range) ±0,4 °C ±1 Digit (+75 to +99,9 °C) ±0,4 °C ±1 Digit (−40 to −25,1 °C) |
| Resolution | 0,1 °C |
| Measuring range | −200 to +1370 °C |
|---|---|
| Accuracy | ±(0,3 °C + 0,1 % of mv) ±1 Digit |
| Resolution | 0,1 °C |
| Measuring range | 0 to +200 hPa |
|---|---|
| Accuracy | ±(0,1 hPa + 1,5 % of mv) ±1 Digit (25,001 to 200 hPa) ±(0,3 Pa + 1 % of mv) ±1 Digit (0 to 25 hPa) |
| Resolution | 0,001 hPa |
| Measuring range | 700 to 1100 hPa |
|---|---|
| Accuracy | ±3 hPa |
| Resolution | 0,1 hPa |
| Weight | 510 g (instrument) |
|---|---|
| Dimensions | 210 x 95 x 39 mm ((LxWxH)) |
| Operating temperature | −5 to +45 °C |
| Product-/housing material | Plastic |
| Protection class | IP40 |
| Connectable probes | 4 x digital Bluetooth® probe or testo Smart Probe; 2 x digital probe with fixed cable or temperature probe NTC with fixed cable (via Testo Universal Connector - TUC); 2 x temperature probe TC type K with fixed cable |
| Product colour | black/orange |
| Camera image size | Main camera: 8.0 MP; Front camera: 5.0 MP |
| Battery life | approx. 10 hrs continuous operation |
| Display type | 5.0" touch display, HD 1280*720 pixels, IPS (160 k) |
| Power supply | Rechargeable li-ion battery (5550 mAh) |
| Interface | Bluetooth®; USB |
| Memory | 2 GB; 1.000.000 measuring values |
| Storage temperature | −20 to +60 °C |
| Measuring range | -10 to +70 °C |
|---|---|
| Accuracy | ±1,8 °C |
| Resolution | 0,1 °C |
| Measuring range | 0,6 to 50 m/s |
|---|---|
| Accuracy | ±(0,2 m/s + 1 % of mv) (0,6 to +40 m/s) ±(0,2 m/s + 2 % of mv) (40,1 to 50 m/s) |
| Resolution | 0,1 m/s |
| Storage temperature | -20 to +60 °C |
|---|---|
| Weight | 425 g |
| Dimensions | 790 x 50 x 40 mm |
| Operating temperature | -5 to +50 °C |
| Length probe shaft | 230 mm |
| Diameter probe shaft | 16 mm |
| Length telescope | 1.000 mm |
| Probe head diameter | 16 mm |
| Product colour | black/orange |
| Battery type | 4 x type AA batteries |
| Battery life | 70 h |
| Data transfer | Bluetooth® |
| Radio range | 20 m |
| Measuring range | −20 to +70 °C |
|---|---|
| Accuracy | ±0,5 °C |
| Resolution | 0,1 °C |
| Measuring range | 0,3 to 35 m/s |
|---|---|
| Accuracy | ±(0,2 m/s + 1,5 % of mv) (20,01 to 35 m/s) ±(0,1 m/s + 1,5 % of mv) (0,3 to 20 m/s) |
| Resolution | 0,01 m/s |
| Storage temperature | −20 to +70 °C |
|---|---|
| Weight | 125 g |
| Dimensions | 180 x 105 x 46 mm |
| Operating temperature | −20 to +70 °C |
| Probe head diameter | 100 mm |
| Product colour | Black |
| Measuring range | -20 to +70 °C |
|---|---|
| Accuracy | ±0,3 °C (+15 to +30 °C) ±0,5 °C (Remaining Range) |
| Resolution | 0,01 °C |
| Measuring range | 0 to 100 %RH |
|---|---|
| Accuracy | ±(0,6 %RH + 0,7 % of mv) (0 to 90 %RH) ±(1,0 %RH + 0,7 % of mv) (90 to 100 %RH) long-term stability: ±1 %RH / year ±0,03 %RH/K (k=1) Hysteresis: ±0,4 %RH |
| Resolution | 0,01 %RH |
| Storage temperature | -20 to +70 °C |
|---|---|
| Weight | 20 g |
| Dimensions | 160 x 28 x 28 mm |
| Operating temperature | -20 to +70 °C |
| Diameter probe shaft | 12 mm |
| Length probe shaft | 140 mm |
| Product colour | Black |
| Weight | 25 g |
|---|---|
| Dimensions | 65 x 65 x 15 mm |
| Product colour | Black |
| Weight | 2800 g |
|---|---|
| Dimensions | 520 x 410 x 160 mm LxWxH |
| Product-/housing material | Plastic |
| Product colour | Black |
















































































Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets






































