Danfoss ESMU-250 immersion temperature sensor with a Pt 1000 Ohm platinum element in a 250 mm copper stem, supplied with a G1/2A union and washer plus a PG9 terminal head. For direct or pocket-mounted flow/return temperature measurement in heating systems. Enclosure IP54. OEM P/N 087B1181. EAN 5702421064504. Verbatim technical data from store.danfoss.com (code 087B1181).
| Type | ESMU-250 |
| Code number | 087B1181 |
| Function | Immersion temperature sensor |
| Sensor element | Pt (platinum resistance), Pt 1000 |
| Resistance | 1000 Ohm |
| Stem material | Copper |
| Sensor length | 250 mm |
| Sensor diameter | 6.6 mm |
| Mounting version | G1/2A and washer (supplied with the product) |
| Electrical connection | Terminal plug for two wires in head, PG9 cable entry (supplied) |
| Media temperature range | 0 to +140 °C |
| Nominal pressure | 25 bar |
| Time constant | 2 s (water), 7 s (air) |
| Grade of enclosure | IP54 |
| Net weight | 0.166 kg |
| Gross weight | 0.167 kg |
| EU RoHS | Yes |
| China RoHS | Out of scope |
| REACH candidate-list | None |
| EAN | 5702421064504 |
| Material | Copper stem, Pt 1000 platinum element |
| Pressure rating | 25 bar |
| Temperature range | 0 to +140 °C |
| IP rating | IP54 |
| MOQ | 1 |
Danfoss ESMU-250 immersion temperature sensor. Confirm sensor element (Pt 1000) and stem/mounting match the controller input before ordering.