Rosemount 3051S Coplanar Transmitter

Fits continuous DP, gage, or absolute loops that need a coplanar Scalable platform with calibrated spans from 0.1 inH2O to 4,000 psi and a choice of Ultra / Classic / Ultra-for-Flow performance with HART, WirelessHART, or FOUNDATION Fieldbus.

Key advantages

0.1 inH2O–4,000 psi spans — DP / gage / absolute by measurement type and range codes.
Ultra 0.025% span — Performance classes Ultra / Classic / Ultra-for-Flow (codes 1/2/3).
Coplanar Scalable — Manifold-, flange-, and seal-ready process platform.
Protocol choice — 4–20 mA HART, WirelessHART, or FOUNDATION Fieldbus.
Broad wetted options — 316L, Alloy C-276, Alloy 400, tantalum, gold-plated isolators.

Typical applications

High-accuracy DP flow, filter, and level on coplanar manifolds.
Gage or absolute pressure points sharing the 3051S Scalable platform.
WirelessHART or Fieldbus plants standardizing on 3051S electronics.

Selection guide

Pressure type & span — Calibrated spans from 0.1 inH2O to 4,000 psi (0.25 mbar to 276 bar); DP/gage/absolute by measurement type and range codes 0A–5A.
Performance class — Ultra 0.025% span (200:1); Classic 0.035% span (150:1); Ultra-for-Flow 0.04% reading (200:1) — codes 1/2/3.
Output / communication — 4–20 mA HART; WirelessHART; FOUNDATION Fieldbus.
Process connection — Coplanar flange / adapters / manifolds (¼–18 NPT, ½–14 NPT centers per flange options).
Electrical connection — ½–14 NPT, M20×1.5, G½ conduit entries (housing options).
Wetted materials — 316L SST, Alloy C-276, Alloy 400, tantalum, gold-plated Alloy 400 or 316L SST isolators.
Housing / ingress — Aluminum or SST (wireless engineered polymer options); Type 4X / IP66 / IP68 (housing-dependent).
Temperatures — Media: silicone/inert fill limits per OEM process temperature tables. Ambient −40…+85 °C typical (display/options may narrow).
Display — Optional LOI / remote display & interface (M7/M8/M9).

Common mistakes

Ordering a range code far above the working span — you lose resolution at the bottom of the scale.
Leaving performance class blank — Ultra vs Classic vs Ultra-for-Flow changes accuracy and turndown.
Mixing WirelessHART / Fieldbus expectations with a 4–20 mA HART loop design.
Specifying 316L when media need Alloy C-276, tantalum, or gold-plated isolators.
Claiming SIL or hazardous-area coverage without matching order codes and certificates.

When to RFQ / what to tell us

Pressure type (DP/gage/absolute), calibrated span, and performance class (Ultra/Classic/Ultra-for-Flow).
Media, process temperature, fill fluid, and wetted materials.
Protocol, housing, conduit entries, display, manifold/seal needs.
Required area/SIL marks, quantity, ship-to country.

Request a Quote · Get selection help

Specs

Spec	Value
SKU	38838
Brand	Rosemount
Model	3051S Coplanar
Product type	transmitter
Measuring range	Calibrated spans 0.1 inH2O to 4,000 psi (0.25 mbar to 276 bar); DP/gage/absolute by type & codes 0A–5A
Accuracy	Ultra 0.025% span (200:1); Classic 0.035% span (150:1); Ultra-for-Flow 0.04% reading (200:1)
Output / communication	4–20 mA HART; WirelessHART; FOUNDATION Fieldbus
Supply voltage	Per protocol (HART loop; WirelessHART module; Fieldbus segment)
Process connection	Coplanar flange / adapters / manifolds (¼–18 NPT, ½–14 NPT centers per options)
Electrical connection	½–14 NPT, M20×1.5, G½ conduit entries
Wetted materials	316L SST, Alloy C-276, Alloy 400, tantalum, gold-plated Alloy 400 or 316L SST isolators
Housing	Aluminum or SST (wireless engineered polymer options)
IP rating	Type 4X / IP66 / IP68 (housing-dependent)
Media temperature	Silicone/inert fill limits per PDS tables
Ambient temperature	−40…+85 °C typical (display/options may narrow)
Overpressure	Saturn sensor corrects overpressure/line-pressure effects; limits by range code in PDS
Display	Optional LOI / remote display & interface (M7/M8/M9)
Diaphragm seal / fill	Optional assemble-to / remote seals; silicone (std) or inert
Hazardous area	Multiple flameproof/IS/Type n/dust options by approval codes
Approvals	SIL 2/3 (option QT); ATEX; IECEx; FM; CSA; CE
Mounting	Coplanar platform with manifolds/primary elements/seals
Notes	Specs from Emerson PDS 00813-0100-4801 Rev UW (April 2026). Configurable Scalable family.

Documents

Rosemount 3051S Coplanar datasheet (PDF)

FAQ

Q: What accuracy classes are available? A: Ultra 0.025% span (200:1), Classic 0.035% span (150:1), and Ultra-for-Flow 0.04% reading (200:1) — lock the performance class code.

Q: Which protocols does 3051S Coplanar support? A: 4–20 mA HART, WirelessHART, and FOUNDATION Fieldbus per the product JSON.

Q: Is SIL included by default? A: SIL 2/3 is listed as option QT — state SIL needs on the quote so the matching code is confirmed.

Q: What should I send for a quote? A: Measurement type, span, performance class, protocol, materials, housing, area/SIL marks, quantity, ship-to. Compatible with systems using Rosemount 3051S — we do not claim authorized-dealer status.