NTC thermistors for
temperature measurement
Probe assemblies, pipe mounted sensors
Series/Type:
Date:
B58100
March 2006
© EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Temperature measurement
Probe assemblies
B58100
T120
Applications
Pipe mounted sensor for measurement of
fluid temperature in pipes
Features
Short response time through
glass-encapsulated NTC thermistor
Fast and easy mounting
Options
Available for pipes with diameter 13.5, 15,
18 and 22 mm
Alternative resistance ratings available on
request
Alternative fast-on plug terminals 2.8 x 0.5 or
4.8 x 0.8 mm available
Delivery mode
Bulk (standard)
General technical data
Climatic category
Maximum power
Resistance tolerance
Rated temperature
Thermal time constant
Insulation resistance
Dissipation factor
Test voltage
(IEC 60068-1)
(at 25
°C)
Dimensional drawing
Dimensions in mm
P
25
∆R
R
/R
R
T
R
R
ins
δ
th
V
test
(measured on pipe)
(V = 100 VDC, t = 1 s)
(in air)
(t = 1 min)
5/100/21
18
±3.6
60
<5
>10
approx. 2.1
500
mW
%
°C
s
MΩ
mW/K
VAC
Electrical specification and ordering codes
R
25
Ω
10 k
10 k
10 k
10 k
10 k
10 k
10 k
8417
8417
8417
8417
8407
8407
8407
No. of
R/T characteristic
B
25/100
K
4006
±2%
4006
±2%
4006
±2%
4006
±2%
3497
±1%
3497
±1%
3497
±1%
for pipe diameter
mm
13.5
15
18
22
13.5
18
22
Ordering code
B58100A0405A000
B58100A0528A000
B58100A0406A000
B58100A0439A000
B58100A0527A000
B58100A0506A000
B58100A0531A000
Please read
Important notes
and
Cautions and warnings
at the end of this document.
Page 2 of 12
Temperature measurement
Probe assemblies
B58100
T120
Reliability data
Test
Storage in
dry heat
Standard
IEC
60068-2-2
Test conditions
∆R
100
/R
100
(typical)
< 3%
Remarks
No visible
damage
Storage in damp
heat, steady state
Rapid temperature
cycling
Thermal overload
Storage at upper
category temperature
T: 100
°C
t: 500 h
IEC
Temperature of air: 85
°C
60068-2-78 Relative humidity of air: 85%
Duration: 21 days
IEC
Lower test temperature: 5
°C
60068-2-14 Upper test temperature: 85
°C
Number of cycles: 100
Short time overload: 125
°C
t: 10 h
< 5%
No visible
damage
No visible
damage
No visible
damage
< 3%
< 3%
Please read
Important notes
and
Cautions and warnings
at the end of this document.
Page 3 of 12
Temperature measurement
Probe assemblies
B58100
T120
R/T characteristics
B58100A0405A000
R/T No.
T (°C)
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
80.0
85.0
90.0
95.0
100.0
105.0
110.0
115.0
120.0
8417
B
25/100
= 4006 K, R
25
= 10000
Ω,
T
R
= 60
°C, ∆R
R
/R
R
=
±
3.6%
R
nom
[Ω]
R
min
[Ω]
R
max
[Ω]
∆R
R
/R
R
[±%]
∆T[±°C]
25607
20017
15768
12513
10000
8045
6514
5306
4348
3583
2968
2472
2068
1739
1469
1246
1061
907.8
779.5
671.8
581.1
504.4
439.3
383.9
23393
18397
14576
11630
9343
7555
6146
5030
4140
3426
2850
2383
1986
1664
1400
1183
1005
856.3
732.8
629.5
542.7
469.6
407.7
355.2
27821
21637
16961
13396
10657
8535
6881
5583
4556
3740
3086
2561
2150
1814
1537
1308
1118
959.4
826.2
714.2
619.5
539.2
470.9
412.5
8.6
8.1
7.6
7.1
6.6
6.1
5.6
5.2
4.8
4.4
4.0
3.6
4.0
4.3
4.7
5.0
5.4
5.7
6.0
6.3
6.6
6.9
7.2
7.5
1.7
1.7
1.6
1.5
1.5
1.4
1.4
1.3
1.2
1.1
1.1
1.0
1.1
1.3
1.4
1.5
1.7
1.8
2.0
2.1
2.3
2.5
2.6
2.8
α
(%/K)
5.0
4.8
4.7
4.6
4.4
4.3
4.2
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.2
3.1
3.0
2.9
2.9
2.8
2.7
2.7
B58100A0528A000
R/T No.
T (°C)
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
8417
B
25/100
= 4006 K, R
25
= 10000
Ω,
T
R
= 60
°C, ∆R
R
/R
R
=
±
3.6%
R
nom
[Ω]
R
min
[Ω]
R
max
[Ω]
∆R
R
/R
R
[±%]
∆T[±°C]
25607
20017
15768
12513
10000
8045
6514
5306
4348
23393
18397
14576
11630
9343
7555
6146
5030
4140
27821
21637
16961
13396
10657
8535
6881
5583
4556
8.6
8.1
7.6
7.1
6.6
6.1
5.6
5.2
4.8
1.7
1.7
1.6
1.5
1.5
1.4
1.4
1.3
1.2
α
(%/K)
5.0
4.8
4.7
4.6
4.4
4.3
4.2
4.0
3.9
Please read
Important notes
and
Cautions and warnings
at the end of this document.
Page 4 of 12
Temperature measurement
Probe assemblies
B58100
T120
B58100A0528A000
R/T No.
T (°C)
50.0
55.0
60.0
65.0
70.0
75.0
80.0
85.0
90.0
95.0
100.0
105.0
110.0
115.0
120.0
8417
B
25/100
= 4006 K, R
25
= 10000
Ω,
T
R
= 60
°C, ∆R
R
/R
R
=
±
3.6%
R
nom
[Ω]
R
min
[Ω]
R
max
[Ω]
∆R
R
/R
R
[±%]
∆T[±°C]
4.4
1.1
3740
3583
3426
2968
2472
2068
1739
1469
1246
1061
907.8
779.5
671.8
581.1
504.4
439.3
383.9
2850
2383
1986
1664
1400
1183
1005
856.3
732.8
629.5
542.7
469.6
407.7
355.2
3086
2561
2150
1814
1537
1308
1118
959.4
826.2
714.2
619.5
539.2
470.9
412.5
4.0
3.6
4.0
4.3
4.7
5.0
5.4
5.7
6.0
6.3
6.6
6.9
7.2
7.5
1.1
1.0
1.1
1.3
1.4
1.5
1.7
1.8
2.0
2.1
2.3
2.5
2.6
2.8
α
(%/K)
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.2
3.1
3.0
2.9
2.9
2.8
2.7
2.7
B58100A0406A000
R/T No.
T (°C)
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
80.0
85.0
90.0
95.0
8417
B
25/100
= 4006 K, R
25
= 10000
Ω,
T
R
= 60
°C, ∆R
R
/R
R
=
±
3.6%
R
nom
[Ω]
R
min
[Ω]
R
max
[Ω]
∆R
R
/R
R
[±%]
∆T[±°C]
25607
20017
15768
12513
10000
8045
6514
5306
4348
3583
2968
2472
2068
1739
1469
1246
1061
907.8
779.5
23393
18397
14576
11630
9343
7555
6146
5030
4140
3426
2850
2383
1986
1664
1400
1183
1005
856.3
732.8
27821
21637
16961
13396
10657
8535
6881
5583
4556
3740
3086
2561
2150
1814
1537
1308
1118
959.4
826.2
8.6
8.1
7.6
7.1
6.6
6.1
5.6
5.2
4.8
4.4
4.0
3.6
4.0
4.3
4.7
5.0
5.4
5.7
6.0
1.7
1.7
1.6
1.5
1.5
1.4
1.4
1.3
1.2
1.1
1.1
1.0
1.1
1.3
1.4
1.5
1.7
1.8
2.0
α
(%/K)
5.0
4.8
4.7
4.6
4.4
4.3
4.2
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.2
3.1
3.0
Please read
Important notes
and
Cautions and warnings
at the end of this document.
Page 5 of 12