
Push-in temperature sensors with terminal head (ET501)
ET501 industrial style push-in RTD assemblies with terminal head are designed for measuring temperatures in liquids and gases.
ET511
ET511 series industrial style screw-in RTD assemblies with terminal head are designed for measuring temperatures in liquids and gases.
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Applications include HVAC and refrigeration, heating installations, ovens, furnaces and plant engineering, as well as industrial automation.
The standard version includes Pt100 class A sensing element with measurement range -50...+250 °C, process connection with G1/2" thread and DIN B type terminal head.
Depending on the application needs, many features can be supplied: platinum RTD sensing elements with specific nominal resistance and accuracy class for temperatures up to +500 °C or common thermistors, protection tubes of different size, various terminal heads, process connection fittings and outputs.
| Sensing element | Pt100, Pt1000 class A according to EN 60751 |
|---|---|
| Measurement range | -50...+250 °C or -50...+500 °C |
| Protection tube | 1.4404 / AISI316L stainless steel |
| Dimensions | Ø6 mm, L80...380 mm |
| Protection class | IP55 as standard, up to IP67 on request |
| Terminal heads | DIN 43729 type B as standard; spherical type N with hinged lid on request; miniature type M on request |
| Ambient temperature | with screw terminal block -40...+100 °C; with transmitter -40...+75 °C |
| Output | ceramic terminal block with 2 or 3-wire RTD connection |
| Transmitter option | analog 4-20 mA or 0-10 V; digital RS485 Modbus RTU |
| Mounting accessories | welded thread fitting |
Choose the model, probes and accessories. Incompatible combinations are blocked as you go; the remaining rules are checked when the instrument is added to the quote.
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They are quoted separately: the instrument need not be configured.

ET501 industrial style push-in RTD assemblies with terminal head are designed for measuring temperatures in liquids and gases.

For temperature measurement -50...+500 °C; Pt100 Class A or custom sensing element; A4 / AISI316L acid proof steel protection tube; Integrated…
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