Dwyer Compact differential pressure transmitter, 4 to 20 mA, 0 to 0.5" w.c.
Dwyer Instruments 668B-03-1 - Differential Pressure Transmitters - Weight: 113 g; Electrical connection: Screw Terminal; Output signal: Current.
The Dwyer Instruments 668B-03-1 is part of the Differential Pressure Transmitters range in our industrial catalog. The manufacturer's published data for this part number specifies Weight: 113 g and Electrical connection: Screw Terminal.
Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Corrosive Dry Gases
Key manufacturer data on file for this item includes Output signal: Current; Accuracy: ± 0.8 %; Supply voltage: 12 to 32 Vdc; Storage temperature, min: -40 °C; Display type: N/A; Operating temperature - max: 77 °C; Operating temperature - min: -18 °C; Number of wires: 2; Country of origin: China; Electrical output: 4 to 20 mA; GrossWeightValue: 0.42; Measurement Pressure, Max: 0.5 inH₂O. The complete technical table is shown in the Specifications tab on this page.
| Accuracy | ± 0.8 % |
|---|---|
| Compensated Temperature, Max | 77 °C |
| Compensated Temperature, Min | 4.4 °C |
| Connection Location | Front |
| Country of origin | China |
| Display type | N/A |
| Electrical connection | Screw Terminal |
| Electrical output | 4 to 20 mA |
| GrossWeightValue | 0.42 |
| Materials | Stainless Steel, PC-ABS |
| Measurement Pressure Type | Differential |
| Measurement Pressure, Max | 0.5 inH₂O |
| Measurement Pressure, Min | 0 inH₂O |
| Media Compatibility | Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Corrosive Dry Gases |
| Number of wires | 2 |
| Operating temperature - max | 77 °C |
| Operating temperature - min | -18 °C |
| Output signal | Current |
| Process Connection Size | 3/16 in |
| Process Connection Type | Barbed Fitting |
| Proof Pressure | Up to 15 psi |
| Spec Sheet QR URL | https://www.dwyeromega.com/en-us/compact-differential-pressure-transmitters-±-0-8-fs-accuracy-15-psig/Series-668B-D/p/668B-03-1?guid=701a700000ulrduaaq&utm_source=spec-sheet&utm_medium=qr-code&utm_campaign=prd-sku-spec-sheet&utm_content=auto-generated-sku-level-spec-sheet |
| Storage Temperature, Max | 85 °C |
| Storage temperature, min | -40 °C |
| Supply Power Type | DC |
| Supply voltage | 12 to 32 Vdc |
| Thermal Effects | ± 0.054% FS/°C |
| Weight | 113 g |
| Zero Setting Adjustable Range | Accessible under the small terminal cover |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 668B-03-1?
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 668B-03-1?
668B-03-1 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 668B-03-1 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for 668B-03-1 — 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 668B-03-1?
Key specifications include Accuracy: ± 0.8 %; Compensated Temperature, Max: 77 °C; Compensated Temperature, Min: 4.4 °C; Connection Location: Front. The full specification table on this page lists every published attribute for this part.
How quickly can 668B-03-1 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.
Variants & Related Part Numbers
Other Dwyer Instruments part numbers in this family:
- 668B-01-1 — Dwyer Compact differential pressure transmitter, 4 to 20 mA, 0 to 0.1"…
- 668B-02-1 — Dwyer Compact differential pressure transmitter, 4 to 20 mA, 0 to 0.25"…
- 668B-02-2 — Dwyer Compact differential pressure transmitter, 0 to 10 VDC, 0 to 0.25"…
- 668B-02-3 — Dwyer Compact differential pressure transmitter, 0 to 5 VDC, 0 to 0.25"…
- 668B-03-2 — Dwyer Compact differential pressure transmitter, 0 to 10 VDC, 0 to 0.5"…
- 668B-03-3 — Dwyer Compact differential pressure transmitter, 0 to 5 VDC, 0 to 0.5"…
- 668B-04-1 — Dwyer Compact differential pressure transmitter, 4 to 20 mA, 0 to 1.0"…
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