Oil Temperature Sensor
Description
High quality, plastic-sheathed "NTC" type oil temperature sensor. In a brass housing, manufactured by Bosch. Overall length of 57mm, and a fitting thread of M12 x 1.5mm pitch. Temperature range of -40°C to 150°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 Design and function | Measuring Range °C | -40 to +150 | | Tolerance at +20°C °C | ±1.5 | | +100°C °C | ±0.8 | | Nominal Resistance at 20°C kohm | 2.5±6% | | Electrical Resistance at –10°C kohm | 8.244 to 10.661 | | +20°C kohm | 2.262 to 2.760 | | +80°C kohm | 0.304 to 0.342 | | Nominal Voltage V | ≤5 | | Measured current, max. mA | 1 | | Thermal time constant s | 15 | | Max. power loss at ∆T≈1K and static air 23°C (m·s-2) | ≤300 | | Degree of protection (with single conductor sealing) | IP64K | | Corrosion tested as per | DIN 50 021 | | Plugs | Compact 1, Gold plated pins | | Tightening torque Nm | 18 |
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.
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