T7425A,B
IMMERSION TEMPERATURE SENSOR
GENERAL
The T7425A,B Immersion Temperature Sensor is used in heating, cooling or domestic hot water applications requiring fast response temperature measurement.
TYPES
OS no. |
Description |
Sensing range |
|
T7425A1005 |
sensor element: NTC20kΩ |
-20...+140 °C |
|
sensor length: 75 mm |
(-4...+284 °F) |
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T7425A1013 |
sensor element: NTC20kΩ |
-20...+140 °C |
|
sensor length: 220 mm |
(-4...+284 °F) |
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T7425A1021 |
sensor element: NTC20kΩ |
-20...+140 °C |
|
sensor length: 300mm |
(-4...+284 °F) |
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T7425B1011 |
sensor element: PT1000 |
-20...+300 °C |
|
sensor length: 75 mm |
(-4...+572 °F) |
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T7425B1029 |
sensor element: PT1000 |
-20...+300 °C |
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sensor length: 220 mm |
(-4...+572 °F) |
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PRODUCT DATA
FEATURES
•Fast response time
•Operating range of -20...+140 °C (T7425A) or -20...+300 °C (T7425B)
•Easy installation
•Adjustable well length
•Stainless steel body material
SPECIFICATIONS
Nominal value |
|
T7425A (NTC20kΩ) |
20 kΩ at 25 °C |
T7425B (PT1000) |
1000 Ω at 0 °C |
Accuracy |
|
T7425A (NTC20kΩ) |
0.3 K +1% • |t - 25 °C| (t in °C) |
T7425B (PT1000) |
IEC751 Class B |
|
0.3 K +0.5% • |t| (t in °C) |
Sensitivity
T7425A (NTC20kΩ) ≈ -934.5 Ω / K at 25 °C (non-linear)
T7425B (PT1000) |
≈ 3.85 Ω / K |
Response time |
τ0.5 = 2 seconds (T7425A) |
|
τ0.5 = 2.5 seconds (T7425B) |
Well |
|
Pressure rating |
PN16 (nominal) |
Maximum medium velocity |
|
75 mm length |
20 m/s |
220 mm length |
10 m/s |
300 mm length |
7 m/s |
Medium |
Mineral and synthetic oil, |
|
glycol-water mixture, domestic |
|
hot water, swimming pool water |
Material |
Stainless steel, 1.4571 |
Dimensions |
ø 4 mm, length ~ 75/220/300 mm |
Outlet size |
R1/2“ |
Tightening torque |
10 ±2 Nm, 10-mm wrench |
Cable |
|
Length |
2.5 m |
Protection class |
IP 65 |
EN0B-0117GE51 R0902 107157280
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