The Hyoda ES-UT is a liquid-filled temperature instrument with a remote sensing bulb and microswitch contacts.
The Hyoda ES-UT is a liquid-filled temperature instrument with one or two microswitch contacts for temperature switching. Its wall-mounted enclosure connects to a remote sensing bulb through a capillary system, allowing the instrument to be positioned separately from the measurement point.
Hyoda lists the ES-UT with the explosion-proof designation d2G4 and IP65 enclosure protection. Select the temperature scale, sensing bulb, connection and switching configuration for the application.
| Specification | Details |
|---|---|
| Model | ES-UT |
| Measuring system | Organic liquid-filled |
| Available temperature range coverage | −70 to 400°C; select a suitable standard scale |
| Switching | One or two microswitch contacts |
| Published electrical rating | AC 125 V or 250 V / 10 A |
| Contact adjustment | Internal adjustment across the selected full scale |
| Published capillary length | 30 m for the specified liquid-filled arrangement |
| Mounting | Wall-mounted |
| Enclosure protection | IP65 |
| Published explosion-proof designation | d2G4 |
The range coverage does not mean every unit has a −70 to 400°C scale. Confirm the actual scale, bulb dimensions, connection and capillary length when specifying the instrument.
Confirm the instrument marking, applicable approval documentation and installation requirements against the site's hazardous-area classification. The d2G4 designation should not be presented as an ATEX or IECEx approval without supporting documentation for the supplied instrument.
Explosion protection describes the enclosure's protection concept; it is not a process-pressure rating. Specify the process pressure separately when selecting the sensing bulb, fitting and any thermowell.
| Product / range | Instrument type | Display / arrangement | Indication / switching | Protection | Selection focus |
|---|---|---|---|---|---|
| M Series | Fluid-filled; M3/M4/M6 and WP versions | 75 / 100 / 150 mm; remote bulb | Optional pointer contacts; M3: one, M4/M6: one or two | IP43; WP: IP65 | Remote reading with a choice of dial sizes |
| S6 / S6-WP | Fluid-filled | 150 mm; remote bulb | Indication only or one/two pointer contacts | IP43; WP: IP65 | Large dial for remote temperature indication |
| AY Series | Bimetal; AY4/AY5 and QS versions | 100 / 125 mm; stem-mounted; QS adjustable head | Temperature indication | IP65 | Local reading at the sensing stem |
| KME-2 / KME-4 | Fluid-filled; wall-mounted | KME-2: with indicator; KME-4: without indicator | One microswitch contact | IP43 | Temperature switching with or without local indication |
| ES-UT | Liquid-filled; wall-mounted | Remote sensing bulb | One or two microswitch contacts | IP65; published explosion-proof designation d2G4 | Applications requiring a suitable explosion-protected controller; confirm approval suitability |
| Fluid-Filled Thermometer Range | General range listing; multiple configurations | Depends on selected model | Depends on selected model | Depends on selected model | Explore other Hyoda temperature indication and control options |
The Fluid-Filled Thermometer Range is an overview listing, not a single model with one specification. Compare the exact model, temperature scale, sensing bulb, connection and mounting before ordering. S6 and M6 both have 150 mm dials, but this does not establish interchangeability.
Contact Seacom with your temperature range, switching requirements, process connection, capillary length and hazardous-area requirements. For a replacement, include photographs of the existing nameplate, approval markings and installation so we can help check the appropriate configuration.
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