LV-124 Tests for Automotive

EUROLAB With its expert team and state-of-the-art laboratories, it offers reliable and unbiased results in automotive tests, as in all other tests.

LV-124 K-01 High/low temperature storage according to EN 60068-2-14 

• Test time and test temperature: 24 cycles for 2 hours each (Tmin: consists of 40 hours storage at -12°C and 12 hours storage at Tmax: +85°C);
• Gradient: 1K/Min
• Working mode: Ia
• Parameter testing (large, tbd) is then performed
• Number of DUTs: 9

LV-124 K-01 High/low temperature storage according to EN 60068-2-14 

• Test temperature: temperature profile according to Figure 27;
• Temperature change per rise: 5°C;
• Holding time: from 5 to 10 minutes;
• next parameter Test time 48 hours;
• Test temperature: Tmin: -55°C (-40°C and additional -15°C depending on operating mode), Tmax: +85°C;
• Working mode: II.c
• During parameter testing (functional testing required)
• Otherwise operating mode II.a
• Number of DUTs: 9

LV-124 K-03 Low temperature operation according to EN 60068-2-1

• Test duration 48 hours;
• Test temperature: Tmin: -55°C (-40°C and additional -15°C depending on operating mode)
• Operating mode: Intermittent, 12 h II.a and 12 h II.c
• -Parameter testing (small, tbd) is then performed Number of DUTs: 6

LV-124 K-05 Temperature shock (component) according to EN 60068-2-14 Na

• Lower temperature: Tmin -40°C;
• Upper temperature: Tmax: +85° C;
• Waiting time at upper/lower temperature: assumption 20 min (15 min + 5 min);
• Transfer time: < 30s;
• Number of cycles: 100
• Working mode: Ib
• -Parameter testing (large, tbd) is done later
• Number of DUTs: 6

LV-124 K-08 Humid heat, cyclic according to EN 60068-2-30

• Test variant: Variant 1; Tmax: 55°C;
• Number of cycles: 6;
• Duration: 144 h
• Parameter test (functional test required)
• Working mode: II.a
• -Parameter testing (large, tbd) is done later
• Number of DUTs: 6

LV-124 K-09 Humid heat, cyclic (frosty) according to EN 60068-2-38

• Duration: 240 hours;
• Number of cycles: 10;
• Test cycle sequence: The first five cycles must contain a cold phase and the remaining cycles must be performed without a cold phase.
• Operating mode: Intermittent 40 min II.a and 10 min II.c
• -Parameter testing (large) is then performed
• Number of DUTs: 6

LV-124 K-10 Water Protection

LV-124 K-14 Constant damp heat – intensity 2 according to EN 60068-2-78

• Temperature: 65°C;
• rel. humidity: 93% ;
• Duration: 751 h
• Intermittent operation, 47-hour operating mode II.a and 1-hour operating mode II.c
• -Parameter testing (large, tbd) is done later
• Number of DUTs: 6

LV-124 K-16 Thermal Shock

LV-124 K-18 Noxious gas test with flowing mixed gas according to EN 60068-2-60

• Method: 4;
• Temperature: 25 °C;
• rel. humidity: 75% ;
• Duration: 21 days
• Working mode: Ib
• Parameter testing (large, tbd) is then performed
• Number of DUTs: 6

LV-124 Chemical resistance compared to LV124

Number of chemicals: 8
– Multiple uses of a DUT for more than one chemical are permitted in coordination with the recipient.

As specified in the Component Performance Specifications.

Substances:
1) Windshield washer fluid (2 hours, 23°C),
2) Interior cleaner / cockpit spray (2 hours, 23°C),
3) Glass cleaner (2 hours, 23°C),
4) Denatured Alcohol (10 min, 23°C),
5) Contact Spray (22 hours, 85°C),
6) Sweating (sweat) (22 hours, 23°C),
7) Cosmetics, eg creams (22 hours, 23°C),
8) Snack containing caffeine and sugar (22 hours, 23°C),

One (1) DUT per chemical

LV-124 L-02 Life test – high temperature endurance test

• Test duration : 1536 h;
• Test temperature: Tmax: +85° C
• Operating mode: Intermittent, 47 h II.c and 1 h II.a,
• – The parameter test (large) will be done later.
• Number of DUTs: 6

LV-124 L-03 Life test – temperature cycle test

• Test duration: 840 hours
• Test temperature: Tmin: -55°C (-40°C and additional -15°C depending on operating mode); Tmax: +85°C;
• Temperature gradient: 4 °C/min
• – Holding time at Tmin and Tmax: 15 minutes after the component reaches the condition at which it maintains the temperature
• Operating mode: interrupt II.a and II.c
• – Parameter test (large, tbd) performed later
• Number of DUTs: 6