Applications
Temperature measurement
Features
Glass-encapsulated NTC thermistor,
heat-resistant and highly stable
Coating of glass body and leads for electrical
insulation and improved resistance against
media
For temperature measurement up to
260 °C in oil
Short response time
Leads: dumet wires (copper-clad FeNi)
Testing conditions must be verified
Options
Alternative dimensions and resistance values
available on request.
For temperature measurement in other
media on request.
Delivery mode
Bulk
Dimensional drawing
Dimensions in mm
Approx. weight 140 mg
General technical data
Climatic category (IEC 60068-1) 55/260/56
Max. power (at 25 °C) P
25
50 mW
Resistance tolerance ∆R
R
/R
R
±1, ±2, ±3 %
Rated temperature T
R
25 °C
Dissipation factor (in air) δ
th
approx. 1.5 mW/K
Thermal cooling time constant (in air) τ
c
approx. 18 s
Heat capacity C
th
approx. 27 mJ/K
Insulation resistance
1)
(V = 100 V DC) R
ins
≥ 100 MΩ
Test voltage
1)
(t = 1 s) V
test
500 V DC
1) Medium: NaCl-solution; Temperature: Room temperature
Temperature measurement B57565G1
Glass-encapsulated sensors for media contact G1565
Page 2 of 19Please read Cautions and warnings and
Important notes at the end of this document.