Vacuum & Pressure Gauges
Measure ventilation parameters such as low air or non-corrosive gas, with these instruments. Also available for hazardous locations.
Dwyer 477-x
Air Pressure and Vacuum Meter
This unit is packed with features you need to make low pressure measurement and recording faster, easier and more accurate than ever. The Series 477 is FM approved intrinsically safe for hazardous locations, Class 1, Div. 1, Group A, B, C, D, T4.
Features
- Pos., Neg., or Diff. Pressure
- Alkaline "9V" battery (1)
- Holds limited readings in memory
- Large digital display w/backlight
- Audible and visual alarms
Specifications
- Operating temperature 32 to 122°F
- 100 hour runtime on alkaline battery
- Stores 20 readings (no download)
- Dimensions 6.5" x 3" x 1"
- Weight 12 oz.
Dwyer Magnehelic Gauge
Air Pressure and Vacuum
Using Dwyer's simple, frictionless Magnehelic movement, it quickly indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.
Features
- Frictionless movement
- High accuracy
- Pos., Neg., Diff. Pressure
- Air or non-corrosive gas only
Specifications
- Operating temperature 20 to 140°F
- 1/8 inch ports, side and back
- Dimensions 2.25"D x 4.75"W
- Weight 18 oz.
Ranges
Pressure
- 0 to 1" W.C.
- 0 to 2" W.C.
- 0 to 10" W.C.
- 0 to 60" W.C.
TSI 8360 Velocicalc Plus
Air Pressure and Vacuum
These meters simultaneously measure and log several ventilation parameters using a single probe with multiple sensors.
Features
- Calculates volumetric flow
- Alkaline AA batteries (4)
- Telescoping probe
- Length marks etched on probe
- Multi-value averaging
- Variable time constant
- English or metric units
Specifications
- Operating temperature 14 to 140°F
- Probe diameter 0.25 inches
- Duct sizes 1 to 255 inches
- Averaging up to 255 values
- Dimensions 7.2" x 4.2" x 1.5"
- Weight 1.2 lbs.
- Weight 5 pounds
Ranges
Velocity
Volumetric
Temp
Pressure
Humidity
Dew Point
