Dwyer Outside air temperature sensor, Pt100 Ohm RTD.
Dwyer Instruments O-4D - RH & Temperature Transmitters - Weight: 3 oz; Accuracy: ± 0.3 °C; Mounting orientation: Suspension or Surface Mount.
Dwyer Instruments O-4D is an RH & Temperature Transmitters catalog item from Dwyer Instruments. The manufacturer's published data for this part number specifies Weight: 3 oz and Accuracy: ± 0.3 °C.
Key manufacturer data on file for this item includes Mounting orientation: Suspension or Surface Mount; Operating temperature - max: 250 °F; Operating temperature - min: -40 °F; Country of origin: China; GrossWeightValue: 0.25; Accuracy Detail: DIN class B: ±0.3°C @ 0°C (±0.54°F @ 32°F); Applications: HVAC; Enclosure Ratings: IP66, NEMA Type 4X; Probe diameter: 0.235 in; Probe length: 3.5 in; Temperature Sensor Type: Pt100 Ω RTD; Compliance Note: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II). See the Specifications tab on this page for the full technical table.
| Accuracy | ± 0.3 °C |
|---|---|
| Accuracy Detail | DIN class B: ±0.3°C @ 0°C (±0.54°F @ 32°F) |
| Applications | HVAC |
| Compliance Note | Meets the technical requirements of EU Directive 2011/65/EU (RoHS II) |
| Country of origin | China |
| Enclosure Ratings | IP66, NEMA Type 4X |
| GrossWeightValue | 0.25 |
| Mounting orientation | Suspension or Surface Mount |
| Operating temperature - max | 250 °F |
| Operating temperature - min | -40 °F |
| Probe diameter | 0.235 in |
| Probe length | 3.5 in |
| Sheath Material | 304 Stainless Steel |
| Temperature Sensor Type | Pt100 Ω RTD |
| Weight | 3 oz |
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Frequently Asked Questions
How do I get pricing for O-4D?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email [email protected], and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the O-4D?
O-4D is a Dwyer Instruments part. KKM Solutions sources Dwyer Instruments components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is O-4D discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for O-4D — check Dwyer Instruments's own product page for whether it is current, superseded, or end-of-life. It does not change what we can do: we source current-production, superseded and long-obsolete parts the same way, and where a part is genuinely unavailable we identify a form-fit-function equivalent. Send the part number through the quote form on this page, or use our obsolete part lookup at https://kkmsolutions.com/tools/obsolete-part-lookup/.
What are the key specifications of O-4D?
Key specifications include Accuracy: ± 0.3 °C; Accuracy Detail: DIN class B: ±0.3°C @ 0°C (±0.54°F @ 32°F); Applications: HVAC; Compliance Note: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II). The full specification table on this page lists every published attribute for this part.
How quickly can O-4D ship?
In-stock items are dispatched the same business day for orders placed by 11 AM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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