| Customization: | Available |
|---|---|
| Certification: | RoHS, CE |
| Type: | Customized |
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HD 421 PT 100-type platinum temperature sensors are characterized by long-term stability, precision over a broad temperature range and compatibility. Main application area is the process technology.
| Nominal Resistance R0 | Tolerance DIN EN 60751 1996-07 |
Tolerance DIN EN 60751 2009-05 |
Order Number Plastic Box |
| 100 Ohm at 0ºC |
Class B (to 650ºC ) | F 0.3 (to 650ºC ) | 32 208 228 |
| Class 2B (to+850ºC ) | F 0.6 (to 850ºC) |
| Specification | DIN EN 60751 |
| Temperature range | -70ºC up to +85ºC Tolerance Class B: -70ºC up to +650ºC Tolerance Class 2B: -70ºC up to +850ºC |
| Temperature coefficient | TC = 3850 ppm/K |
| Leads | Pt- wire |
| Lead length (L) | 6mm ± 1mm |
| Long-term tests | 1000h at 850ºC (energized, open) smaller then the allowed deviation according to DIN B. 1000 h at 650ºC (under current as clean MI-type) smaller then the allowed deviation according to DIN B |
| Vibration resistance | at least 40g acceleration with 8ms half sine wave signal, depends on the installation |
| Shock resistance | at least 100g acceleration at frequencies from 10Hz up to 2000Hz, depends on the installation |
| Environmental conditions | Unhoused for dry environment only, Up to 650ºC in housings also as clean MI-type possible, above 650ºC no reducing atmosphere, free air admission necessary |
| Insulation resistance | >100 MΩ at 20ºC ; >2 MΩ at 650ºC |
| Self heating | 0.2 K/mW |
| Response time | Water current (v= 0.4m/s): t0.5 = 0.05s t0.9 = 0.17s Air stream (v= 2m/s): t0.5 = 3.3s t0.9 = 13.0s |
| Measuring current | 20 max. 5mA; 850 max. 2.8mA (self heating has to be considered) |
| Note | Other tolerances, values of resistance and wire lengths are available on request. |
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