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Home Replacing Induction Cooker Glass NTC Thermistors Micro Temperature Sensor 100K 3950 With 2 Pin Wired 300mm
Application: The sensor is installed on metallic surface for temperature detection, and the sensor is mostly installed in induction cooker, induction heating cooktop, and heat sink of kitchen appliances.
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Size (mm)
Components
| NO. | Name | Description |
| 1 | Thermistor | R25=100KΩ±1% B25/50=3950±1% |
| 2 | Housing | Brass 2×0.3mm , Φ28×18.5 Silica Gel (Brown) |
| 3 | Casing | Φ2 L=15mm Heat shrinkable casing (Black) |
| 4 | Cable | L=300mm AWG26 200℃ Fluorine plastic wire (Black) |
| 5 | Connector | XH-2Y/ XH-2.54(White) |
Performances Requirements
| Resistance at 25℃ | 100KΩ±1% |
| B25/50 | 3950±1% |
| Dissipation Factor | 2.5mW/C |
| Thermal Time constant | 10 sec |
| Operating temp.range | -40~+250C |
| Insulation resistance | 100MOhm at 500VDC |
| Withstand voltage test | 10 sec at 1500VAC |
Actual Product Photos
Package
Bulk, 1000pcs per box,6kg/box.
How does an induction cooktop measure temperature?
Induction cookers use NTC Thermistor temperature sensors, more specifically thermocouples to measure temperature.
But for 60 deg. C, I don’t think it can be much useful, because the thermocouple cannot measure such precise temperature (it measures only in 100s from 100–2000) like you said.
If you have a thermometer, insert it in the cooktop and make sure thermometer bulb is immersed in liquid to be boiled. Keep a close watch on the thermometer all the time. On and off the induction continuously to maintain 60 deg. C in the cooktop.
Reliability
| NO | Item | Technical requirements | Test conditions and method |
| 5-1. | High temp. Test | DR/R25£±3%
DB/B£±3%
No change with withstand voltage, Insalution performance. Appearance without damage. | 100±5℃,power on 500±24 hrs,DC0.2mA |
| 5-2. | Low temp. tes | -20±5℃,power on 500±24 hrs,DC0.2mA | |
| 5-3. | Endure moisture test | Store in environment 55±2℃,90%-95%RH for 500±24 hrs | |
| 5-4. | Temp. cycle test | –20℃×30min→Room temp.×10min→ in 100℃ water×30min→Room temp.×10min 10 cycles | |
| 5-5 | Load electrify test | Power on DC1mA, 500hrs in room temp. and humid. | |
| 5-6 | Drop test | Free fall into concrete floor from height 1M ,10 cycle. | |
| 5-7 | Vibration test | Frequency range:10～55HZ Total amplitude 1.52mm 1 cycle 1 min ,direction and time X,Y,Z axs 2Hr each. | |
| 5-8 | Bending test | Bend 180°binding site wire and epoxy resin.Back and forth 10 times |