Vaisala WAT12 Betriebsanweisung PDF herunterladen (Seite 28)

User's Guide ________________________________________________________

26 _____________________________________________________ M210293en-A

Property Description/Value

Recommended

connector at cable end

SOURIAU MS3116F10-6P

Operating temperature

-50 ... +55 °C (with shaft heating)

Storage temperature

-60 ... +70 °C

Housing material AlMgSi, gray anodized

Cup material PA, reinforced with carbon fiber

Dimensions 240 (h) × 90 (Ø) mm

Swept radius of cup wheel: 91 mm

Weight 570 g

1) Measured with cup wheel in position least favored by flow direction.

Optimum position yields < 0.35 m/s starting threshold.

2) Standard Deviation

MTBF

According to the standard MIL-HDBK-217F calculated

mean times between failures are listed in Table 6 below.

Actually, the last column provides the failure frequency

during 10

hours of use.

Table 6 MTBF Values

Abbreviation Installation f/10

Gf Permanent installations 2.34

Gm Mobile installations 8.52

Nu Ship equipments 5.48

MTTR

Mean time to repair is 0.3 h.

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Vaisala WAT12 Betriebsanweisung Seite 28