Ideal measurement solution for determining flow velocity, volume flow on laminar flow supply air diffusers, and large surface areas. To be used in conjunction with the 420, 480 or 435-4 Differential Measuring Instrument. This kit includes the 420 measuring instrument.
Ideal measurement solution for determining flow velocity, volume flow on laminar flow supply air diffusers, and large surface areas. To be used in conjunction with the 420, 480 or 435-4 Differential Measuring Instrument. This kit includes the 420 measuring instrument.
Air Flow Velocity Matrix Features
420 Differential Pressure Measuring Instrument Features
Applications
Differential Pressure | |
Measuring Range | -0.48 to 0.48 InH2O / -120 to 120 Pa 19.7 to 2756 fpm / 0.1 to 14 m/s |
Accuracy | ±2% of mv + 0.002 InH2O at 72°F, 405 InH2O / ±2% of mv + 0.5 Pa at 22°C, 1013 hPa |
Resolution | 0.001 InH₂O / 0.001 Pa 0.01 fpm / 0.01 m/s |
Reaction Time | 1 s (t90) |
General Technical Data | |
Dimensions | 5.91 x 3.35 x 1.37" (150 x 85 x 35 mm) |
Operating Temperature | 23 to 122°F (-5 to 50°C) |
Storage Temperature | -4 to 140°F (-20 to 60°C) |
Battery Type | AA Alkaline |
Battery Life | 40 hrs |
Display Size | 3.5" (8.89 cm) |
Interface | Micro-USB |
Memory | 2 GB (internal) |
Click on a category to view a selection of compatible accessories with the Testo 0699 7077/2 Air Flow Velocity Matrix Kit with 420, 14" x 14".
Differential Pressure | |
Measuring Range | -0.48 to 0.48 InH2O / -120 to 120 Pa 19.7 to 2756 fpm / 0.1 to 14 m/s |
Accuracy | ±2% of mv + 0.002 InH2O at 72°F, 405 InH2O / ±2% of mv + 0.5 Pa at 22°C, 1013 hPa |
Resolution | 0.001 InH₂O / 0.001 Pa 0.01 fpm / 0.01 m/s |
Reaction Time | 1 s (t90) |
General Technical Data | |
Dimensions | 5.91 x 3.35 x 1.37" (150 x 85 x 35 mm) |
Operating Temperature | 23 to 122°F (-5 to 50°C) |
Storage Temperature | -4 to 140°F (-20 to 60°C) |
Battery Type | AA Alkaline |
Battery Life | 40 hrs |
Display Size | 3.5" (8.89 cm) |
Interface | Micro-USB |
Memory | 2 GB (internal) |
Click on a category to view a selection of compatible accessories with the Testo 0699 7077/2 Air Flow Velocity Matrix Kit with 420, 14" x 14".