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Product Description
Product Advantages:
High temperature resistance; capable of long-term operation in a 200°C environment
Fast heat conduction; faster response speed and higher accuracy
Electrical Performance:
1. Insulation Resistance: 500VDC > 100MΩ
2. Drop Test: Free fall from a height of 3 meters, no visible damage
3. Flammability Rating: UL94 V-0
4. Vibration Test: 10-500Hz 3G
5. Temperature Measurement Range: -50°C ~ 200°C
6. Temperature Measurement Accuracy: ± (0.30 + 0.005|t|)°C, where "t" represents the actual temperature measurement point
Measurement Current and Self-Heating:
The power supply current heats the platinum thin-film sensor. The resulting temperature measurement error is calculated using the following formula:
Δt = P × SP, Power loss = I²RS, Self-heating coefficient unit is K/mW.
The datasheet specifies the self-heating coefficient for each product.
Self-heating is determined by the thermal contact between the platinum thin-film sensor and the surrounding medium.
If the heat dissipation to the environment is highly efficient, a higher measured current can be obtained.
There is no specified lower limit for the measured current of platinum thin-film sensors. They largely depend on the application.
We recommend:
For 1000 Ohm: Maximum 0.3 mA