Vaisala SPH10/20 Static Pressure Heads


  • Reliable barometric pressure measurement in all weather
  • Minimizes wind induced error
  • Wind tunnel tested structure
  • Easy to clean
  • Easy to install

Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

When measuring barometric pressure, wind can cause significant errors. The Vaisala SPH10/20 Static Pressure Head Series is specially made to reduce these errors caused by wind. It has been tested in wind tunnels to ensure its structure is symmetrical both horizontally and vertically. This design ensures reliable barometric pressure measurements in all weather.


Key Benefits

Ideal For Outdoor Installations
Vaisala SPH10/20 static pressure heads are durable and weather resistant. Vaisala SPH10/20 protects against moisture with drain holes in the lower plate that allow rain and water to flow out. It also has internal netting that prevents insects and debris from blocking the pressure channel.

Ease Of Installation & Carefree Maintenance
Vaisala SPH10/20 static pressure heads are easy to install and disassemble, service, and clean – even at the installation site.

Reliable Barometric Pressure Measurement In All Weather
Vaisala BAROCAP Barometers can be installed directly on top of Vaisala SPH10/20 static pressure heads. Other barometers can be connected to the heads with pressure tubing.


Mechanical Specifications
Weight SPH10: 800 g (1.76 lb)
SPH20: 1360 g (3.0 lb)
Materials PC plastic, offshore aluminium
Mounting With 2 bolts (M6 × 20 mm min.)
Hose connection Barbed fitting for 4 mm I.D. hose or Rp1/4 thread (parallel)
SPH20 Inputs and Outputs
Electrical connections M12 connector
Power supply Factory setting: 12 V
Changed connection: 24 V
Power consumption during heating 70 W
Thermostat Switching Temperature
On +4 °C (±3 °C)
+39.2 °F (±4.4 °F)
Of +13 °C (±3 °C)
+55.4 °F (±4.4 °F)
Operating Environment
Operating temperature -60 … +80 °C (-76… +176 °F)


Vaisala-SPH10-20-Static Pressure Heads_DpstarGroup