Vaisala SPH10 Static Pressure Head, PTB210 Barometer User Guide

Installation and Maintenance

SPH10 Static Pressure Head

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Eliminates effectively wind disturbances from pressure measurements

Adaptable to many barometers, directly to Vaisala PTB210

Durable and easy to clean

INTRODUCTION

Vaisala model SPH10 Pressure Head provides an effective elimination of pressure variations in the barometer due to the wind. The SPH10 is easy to clean and maintain. It can be integrated directly with the Vaisala PTB210 barometer. To other barometers the SPH10 can be connected with pressure tubing.

ASSEMBLING

1. Screw the lower bar to the threaded sleeve of the lower plates (with 6 holes)

2. Screw the upper bar (with mounting plate) to the threaded sleeve of the upper plates

MOUNTING

Select an open location, prefereably a place higher than the surroundings, with no buildings or trees nearby. Attach the

SPH10 to a horizontal pole using a mounting plate. A suitable pole is Vaisala sensor mast, type DKP12. However, any other horizontal pole with two screws (M6) in a distance of 41 mm can be used.

NOTE! The recommended distance of the SPH10 from the vertical pole should be at least 1.5 m.

1. Loosen the two fixing screws of the pole and fix the SPH10 into the pole as indicated in Figure 1.

2. Attach the SPH10 by tightening the screws. (The pressure

Head is removed by loosening the two screws).

CONNECTION TO THE VAISALA PTB210

(see figure 2)

1. Detach the threaded nipple and the gasket (see figure 1).

2. Place the O-ring into the barometer groove.

3. Attach the PTB210 to the SPH10 with two fixing screws.

CONNECTION TO THE OTHER BAROMETERS

Connect the barometer to the threaded nipple (figure 1) by using a plastic tube with an inner diameter of 4 mm.

Mounting plate Pole

Threaded nipple and the gasket (R1/4 parallel thread)

Fixing screws

Upper plate

Lower plate

Threaded sleeve

Lower bar

Figure 1. SPH10 Static Pressure Head.

PTB210

Barometer

Fixing screw with a washer (included in the PTB210)

O-ring (included in the PTB210)

Figure 2. PTB210 barometer connection.

U440en-1.1

TECHNICAL DATA

Property Description / value

Materials

Plates Polycarbonate

Bars

Mounting

Offshore Aluminium with 2 bolts

(M6 x minimum 20 mm)

Weight

Hose connection

Operating conditions

800 g barbed fitting for 4 mm I.D. hose or Rp1/4 thread (parallel)

-60 ° C...+ 80 ° C

GUARANTEE

Vaisala issues a guarantee for the material and workmanship of this product under normal operating conditions for one (1) year from the date of delivery.

Exceptional operating conditions, damage due to careless handling and misapplication will void the guarantee.

Vaisala SSD Service Centres

Vaisala SSD Service, Vanha Nurmijärventie 21, FIN-01670

Vantaa, FINLAND, Phone: +358 9 8949 2658, Fax +358 9 8949

2295

Vaisala KK, 42 Kagurazaka 6-Chome, Shinjuku-Ku, Tokyo 162-

0825, JAPAN, Phone: +81 3 3266 9611, Fax +81 3 3266 9610

Vaisala Inc., 100 Commerce Way, Woburn, MA 01801-1068, USA

Phone: +1 781 933 4500, Fax +1 781 933 8029

Internet: http://www.vaisala.com

Technical support: [email protected]

MAINTENANCE

Protective wire net

Lower plate

Threaded sleeve

Nut

Lower bar

Figure 3. Detaching the lower plate for cleaning.

Cleaning the SPH10 is done by detaching the lower bar and the lower plate. The barometer can be in place while cleaning the plates. Please, follow the instructions below:

1. Unscrew the lower bar and detach it.

2. Open the self-locking nut with a 13 mm spanner.

3. Remove the threaded sleeve and take out the lower plate and the protective wire net.

4. Clean the plates.

5. Replace the lower plate, the protective wire net and the threaded sleeve, screw back the nut and the lower bar.

Keep the holes of the lower plate open to allow the water run out.

DIMENSIONS (in mm)

40

M6

ø 22

41

6.5

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