Liebherr WKt 4552 GrandCru User Manual
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The evaluation of air temperatures of the LK(U)v, LCv, LK(U)exv, LG(U)ex and LGPv models according to NF X 15-140 using a PT 100 temperature probe with
25 g copper thermal mass shows the following results:
Results according to NF X 15-140
LK(U)v, LCv, LK(U)exv, LG(U)ex and LGT laboratory appliances with Comfort-Controller
8,0 °C
7,5 °C
7,0 °C
6,5 °C
6,0 °C
5,5 °C
5,0 °C
4,5 °C
4,0 °C
3,5 °C
3,0 °C
2,5 °C
2,0 °C
t1
t2
t3
t4
t5
t6
t7
t8
t9
Probes
LKUv 1610
H0 = Gradient
max (0
mj
+ U
mj
) = mean value warmest probe + expanded measurement uncertainty
8,0 °C
7,5 °C
7,0 °C
6,5 °C
6,0 °C
5,5 °C
5,0 °C
4,5 °C
4,0 °C
3,5 °C
3,0 °C
2,5 °C
2,0 °C
t1
t2
t3
t4
t5
t6
t7
t8
t9
Probes
LKUv 1612
H0 = Gradient
max (0
mj
+ U
mj
) = mean value warmest probe + expanded measurement uncertainty
min (0
mj
– U
mj
) = mean value coldest probe – expanded measurement uncertainty
Gradient H0- :
4.0 K
(+2.0 K / – 2.0 K from
set temperature)
Max. fluctuation:
3.3 K
Gradient H0- :
2.9 K
(+1.3 K / –1.6 K from
set temperature)
Max. fluctuation:
2.5 K
min (0
mj
– U
mj
) = mean value coldest probe – expanded measurement uncertainty
Set temperature
Average probe temperature
Set temperature
Average probe temperature