TD4 Datasheet, PDF (1/2 Pages) Welwyn Components Limited – Nickel Film Temperature Sensor

Nickel Film
Temperature Sensor
TD4
• Good long term stability
• ^{Rugged construction}
• ^{Extremely economic solution}
Welwyn Components
Electrical Data
TD4
Temperature range
Resistance Range
Alpha
Standard value
R₂₅ = 100 ohms
R₂₅ = 1000 ohms
Tolerance
@25°C
Tolerance Codes
Interchangeability
@25°C
@100
Self Heating (in air)
Recommended measuring current
Time constant (time to reach 50% of 10°C, in stirred water)
Insulation resistance
°C
ohms
ppm/°C
ohms
±°C
±°C
mW/°C
mA
secs
ohms
Note: Product can be calibrated at the factory, at extra cost
Actual
-55 to 155
20R to 1K
6000
5850
100
1.0 2.0 4.0
D
F
G
1.0 2.0 4.0
2.6 3.8 6.1
0.12
1
0.4
>1G
Resistance vs Temperature
Resistance
ohms
66.6
Temperature
°C
-50
70.6
-40
74.8
-30
79.1
-20
83.5
-10
88.0
0
92.7
10
97.5
20
100
25
102.5
30
107.6
40
112.8
50
Resistance v temperature for 100Ω sensor
Resistance
ohms
118.1
123.6
129.2
135.0
140.9
146.9
153.0
159.3
165.7
172.2
Temperature
°C
60
70
80
90
100
110
120
130
140
150
Definitions
R=
a=
R₀ :
R₁₀₀ :
t:
R₀ (1+At+Bt²)
10000 (R₀ - R₁₀₀)
R₀ (ppm/°C)
Resistance at 0°C
Resistance at 100°C
Temperature
Constants:
A = 0.005247
B = 0.00000753
Ro = 88.0
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
188
A subsidiary of
TT electronics plc
Issue D · 08.03