Reliability data

Test

Standard

Test conditions

∆R

Electrical endurance,

cycling

Ω

°C, T

°C

Number of cycles: 5000

< 25%

Electrical endurance,

constant

IEC 60738-1

Test duration: 1000 h

< 25%

Damp heat

IEC 60738-1

Temperature of air: 40

°C

Relative humidity of air: 93%

Duration: 56 days

Test according to IEC 60068-2-78

< 25%

Rapid change

of temperature

IEC 60738-1

Number of cycles: 5

Test duration: 30 min

Test according to IEC 60068-2-14, Test Na

< 25%

Vibration

IEC 60738-1

Frequency range: 10 to 55 Hz

Displacement amplitude: 0.75 mm

Test duration: 3

× 2 h

Test according to IEC 60068-2-6, Test Fc

< 5%

Sensors

Point level sensor, stainless steel case, oil level sensing

D1050

Page 4 of 9

Please read Cautions and warnings and

Important notes at the end of this document.