5084080 - High-Temperature Pt Heater

The Heraeus H540 S is a platinum thin film heater which combines excellent long term stability with a wide temperature application range from -25 °C up to +800 °C. This feature makes it best suited to heat liquids, gases and solids with high precision, short reaction time and full control.


Technical Data

  • Type: H540 S
  • Nominal Resistance R₀ [Ω]: Pt12
  • Temperature Coefficient (TCR): 3850
  • Tolerance Class: +/- 0.5 ohm at 0 °C
  • Min. Temp. °C: -25
  • Max. Temp. °C: 800
  • Min. Tolerance Temp. °C: -25
  • Max. Tolerance Temp. °C: 800
  • Size [mm] (LxW₁xH): 5.2 / 3.9 / 1
  • Width₂ (mm): 0.85
  • Lead Type: Platinum
  • Lead Wire Diameter LØ (mm): 0.25
  • Lead Wire Length LL (mm): 6
  • Connection Technology: Welding, Brazing
  • Max. Heating Current: 1000 m A
  • Max. Heating Voltage: 24 V
  • Peak Load: 1 hour at 850 °C
  • Heating Time: ≥ 12 sec from 25 °C to 700 °C
    Test conditions:
    Not installed in still air at room temperature

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The information provided in this data sheet describes certain technical characteristics of the product, but shall not be qualified or construed as quality guarantee (Beschaffenheitsgarantie) in the meaning of sections 443 and 444 German Civil Code. The information provided in this data sheet regarding measurement values (including, but not limited to, response time, long-term stability, vibration and shock resistance, insulation resistance and self-heating) are average values that have been obtained under laboratory conditions in tests of large numbers of the product. Product results or measurements achieved by customer or any other person in any production, test, or other environment may vary depending on the specific conditions of use. The customer is solely responsible to determine whether the product is suited for the customer's intended use; in this respect YAGEO Nexensos cannot assume any liability. The sale of any products by YAGEO Nexensos is exclusively subject to the General Terms of Sale and Delivery of YAGEO Nexensos in their current version at the time of purchase, which is available under www.yageo-nexensos.com/tc or may be furnished upon request. This data sheet is subject to changes without prior notice.