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Racing » Products » Sensors » Temperature sensors » Water temperature
Water Temperature Sensor
Description
High quality, plastic-sheathed "NTC" type water temperature sensor. In a brass housing, manufactured by Bosch. Overall length of 50mm, and a fitting thread of M12 x 1.5mm pitch. Temperature range of -40°C to 130°C. The resistance of the sensor changes with temperature. For direct connection to the DL1 a "pull up resistor" is required. If the sensor is ordered with a cable, this resistor is already included and will be ready for immediate use with the DL1 or DL2.
Technical Data
| Measuring Range °C | -40 to +130 |
| Tolerance at +20°C °C | ±1.2 |
| +100°C °C | 3.4 |
| Nominal Resistance at 20°C kohm | 2.5±5% |
| Electrical Resistance at –10°C kohm | 8.26 to 10.56 |
+20°C kohm | 2.28 to 2.72 |
| +80°C kohm | 0.290 to 0.364 |
| Nominal Voltage V | ≤5 |
| Measured current, max. mA | 1 |
| Thermal time constant s | 44 |
| Max. power loss at ∆T≈1K and stationery air 23°C . m·s-2 | 100 |
| Degree of protection (with single conductor sealing) | IP64K |
| Corrosion tested as per | DIN 50 018 |
| Plugs | Jetronic, tin plated pins |
| Tightening torque (Nm) | 25 |
Design and function
The sensing element of the NTC temperature sensor (NTC = Negative Temperature Coefficient) is a resistor comprised of metal oxides and oxidised mixed crystals. This mixture is produced by sintering and pressing with the addition of binding agents. For automotive applications, NTC resistors are enclosed in a protective housing. If NTC resistors are exposed to external heat, their resistance drops drastically and, provided the supply voltage remains constant, their input current climbs rapidly. This property can be utilised for temperature measurement.
Note
Each 2-pole plug requires 1 plug housing, 2 contact pins and 2 individual gaskets. For automotive applications, original AMP crimping tools must be used.
Note: all orders from Virginia will have sales tax at 5.0% added after the order is processed
Phone: 804 358-7289
Fax: 804 359-6694
Email: aseim@race-technology.com