Temperature Measurement
Probe Assemblies
B57703
M 703
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Applications
6,5 max.
0,5
● Surface temperature measurement,
e.g. on housings and pipes
8,5±0,5
Features
● High accuracy
● Easy mounting
● Good thermal coupling through metal tag
● Thermistor encapsulated in metal-tag case
● PTFE-insulated leads of silver plated
nickel wire, AWG 30, 0,25 mm
AWG 30
Ni PTFE
Options
TNT0294-B
Alternative resistance ratings,
rated temperatures, resistance tolerances
and lead lengths available on request
Dimensions in mm
Approx. weight 0,8 g
Climatic category (IEC 68-1)
55/125/56
Max. power at 25 °C
Resistance tolerance
Rated temperature
P
∆R/R
150
± 2 %
25
mW
25
N
T
°C
N
B value tolerance
∆B/B
± 1 %
1)
Dissipation factor (in air)
Thermal cooling time constant (in air)
Heat capacity
δ
approx. 2,6
approx. 28
approx. 73
1
mW/K
s
mJ/K
kV
th
1)
τ
c
1)
C
th
Test voltage (t = 1 s)
Type
R
No. of R/T
B
Ordering code
25
25/100
characteristic
Ω
K
M 703/5 k/G40
M 703/10 k/G40
M 703/30 k/G40
5 k
10 k
30 k
8016
8016
8018
3988
3988
3964
B57703-M502-G40
B57703-M103-G40
B57703-M303-G40
1) Depends on mounting situation
62
Siemens Matsushita Components