AKM 345 Gen2 Instruction Manual
(Rev No. ECN-27992)
5
www.qualitrolcorp.com
5.2. Temperature Gradient Graph for WTI with External 1A and 5A
Matching Unit
S (VA)
4,5
2
0,5
Heating Current
40
30
20
2
I (A)
1,5
1
0,5
10
dT °C
Gradient
Figure 4 – Guideline for Adjustment of Heating Current
Keep cover mounted, feed a stable current and wait 45 min, before reading
winding temperature.
Gradient °C for bulb type 11, 12, 15 and 18
10
12
14
16
18
20
22
24
26
28
30
Oil temp. 30°C
0,72
0,79
0,86
0,92
0,99
1,04
1,1
1,15
1,21
1,26
1,31
Heating Current Amp. I2 ±5%
Bulb in filled well.
Approximate temperature
rise above oil temperature.
I
max
= 2,3 A continuously
I
max
= 10 A, for 5 s
Thermal time constant
(63,2% value) approx. 9 min.