7 Operation and regulation
HSD S.p.A. © - h0106k01a.fm120718
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Technical features of the PTC thermistor
The thermistor trigger temperature is indicated in the table below.
The
PTC
thermistors used by the manufacturer comply with DIN44081-44082.
Behaviour of the KTY 84-130 probe
Type Trigger temperature (T
NF
)
PTC-130 130 °C
PTC-100 100 °C
Diagram
Temperature-Resistance
according to DIN44081/
44082
Principal Characteristic values
Nominal operating temperature
T
NF
= from 50°C to 200°C in steps of 10K or 5K
Characteristic values for
every PTC thermistor
Resistance
Measurement
voltage
Resistance in the area of
a temperature from -
20°C to T
NF
- 20K
20 to 250 : <2.5 V
Resistance at T
NF
- 5K <550 : <2.5 V
Resistance at T
NF
+ 5K >1330 : <2.5 V
Resistance at T
NF
+ 15K >4000 : <7.5 V - pulsed
Temperature (°C) Resistance (Ohm) Temperature (°C) Resistance (Ohm)
-40 359 60 773
-30 391 70 826
-20 424 80 882
-10 460 90 940
0 498 100 1000
10 538 110 1062
20 581 120 1127
25 603 130 1194
30 626 140 1262
40 672 150 1334
50 722 160 1407