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HFM series high-speed response heat flow sensor
Microsecond response/high temperature resistance/customizable
Product details
| model | HFM-6D/H | HFM-7E/H | HFM-7E/L | HFM-8E/H | HFM-8R/L |
| response time | 17μs（300μs★） | 17μs（300μs★）* | |||
| operation temperature | 800℃ | 600/400℃ | 350℃ | 600/400℃ | 350℃ |
| Core material | Platinum Platinum Rhodium | Nickel chromium constantan | |||
| Packaging material | nickel | copper | nickel | copper | |
| sensitivity | 10μV/W/cm² | 150μV/W/cm² | |||
| accuracy | 3% | ||||
| temperature sensor | Surface thermistor | Built in thermocouple E-type | |||
| Temperature sensitivity | 0.25-0.35(℃/Ω) | 13-15(℃/mV) | |||
| Temperature impedance | 100-200Ω | 50-150Ω | |||
| Repeatability | 2% | ||||
17 μ s is the non coating response time, and 300 μ s is the coating response time.
*Only for the heat flow response time, the temperature response time may be delayed due to heat sink. Long term delays may affect measurement accuracy.
**The highest tolerance temperature listed; The maximum temperature resistance of the wires used for E/H series sensors is 600 ° C, while the rest can withstand temperatures of 200 ° C The temperature tolerance of HFM-7E/H and HFM-8E/H is different for short-term and continuous use.
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