13A-MS2-R Foxboro Pneumatic Pressure Transmitter

13A-MS2-R 13A Series Foxboro Pneumatic Pressure Transmitter

13A-MS2-R 13A Series Foxboro Pneumatic Pressure Transmitter

Disponibilidad: 10 Quedan en stock

Foxboro 13A-MS2-R 13A Pneumatic D/P Cell Transmitter Configured for differential pressure measurement and signal transmission in pneumatic process loops, the...

Código: 13AMS2

Manufacturer: Foxboro
Product No.: 13AMS2
Product Type: Pressure Transmitters
Product Origin: USA
Payment:T/T, Western Union
Weight: 8600g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Foxboro 13A-MS2-R 13A Pneumatic D/P Cell Transmitter

Configured for differential pressure measurement and signal transmission in pneumatic process loops, the Foxboro 13A-MS2-R (13A-MS2 Pneumatic D/P Cell Transmitter) provides direct physical execution across industrial monitoring networks. The unit processes process differential pressures across adjustable span limits and drives standardized 3-15 psi output signals to downstream receiving instruments. Built with a 316 stainless steel body, 1/2 NPT process connectors, and an integrated zero suppression kit, the assembly uses a mechanical force-balance mechanism to maintain continuous signal stability without electronic drift.

Suffix Breakdown & Model Matrix

13A: Transmitter series featuring 316 stainless steel body construction.
M: Span limits covering 5 to 62 kPa (20 to 250 inH2O / 50 to 620 mbar d/p).
S: Body material specified as 316 stainless steel.
2: Process connectors tapped for 1/2 NPT conduit fittings.
R: Optional suffix designating factory-installed zero suppression kit.

Hardware Specifications

Parameter	Specification
Model	13A-MS2-R
Brand	Foxboro
Origin	USA
Weight	8.6 kg (18.40 lbs)
Dimensions	Standard 13A transmitter frame dimensions
Operating Temp	-40 deg C to +85 deg C
Power Consumption	None (pneumatic air supply operated)
Product Type	Pneumatic Differential Pressure Transmitter
Input Signal	5 to 62 kPa (20 to 250 inH2O / 50 to 620 mbar d/p)
Output Signal	3-15 psi (20-100 kPa) pneumatic
Supply Pressure	20 psi (140 kPa) clean, dry instrument air
Accuracy	+/-0.25% of span typical
Response Time	2 s or less
Body Material	316 stainless steel
Process Connectors	1/2 NPT tapped threads
Protection Class	NEMA 3 / IP53 housing

Process Control & Pneumatic Loop Execution

The transmitter operates as a purely mechanical force-balance instrument, converting process differential pressure acting on internal diaphragms into a proportional pneumatic output signal. Channel-to-channel isolation from electrical interference is inherently maintained, as the unit requires no internal electronic power supplies or current loops. Supply air conditioned to 20 psi passes through internal nozzle-flapper mechanisms to regulate the output between 3-15 psi. Cold junction compensation and electronic drift calibration are replaced by mechanical zero suppression adjustment via the suffix-R kit, permitting elevated line pressure offsets without signal saturation.

Frequently Asked Questions

Q: What air supply quality is required for reliable force-balance operation?

A: The transmitter requires a stable 20 psi (140 kPa) supply of clean, dry, oil-free instrument air. Contaminants or moisture in the supply line cause orifice clogging and nozzle-flapper degradation.

Q: How does the zero suppression kit (suffix R) alter baseline output calibration?

A: The zero suppression kit applies a mechanical spring tension to the force bar assembly, offsetting the initial 3 psi baseline to compensate for static head pressures on the low-pressure side.

Field Installation Guidelines

Process Thread Engagement: Apply thread sealant rated for process fluid compatibility and ensure a minimum of 5 full turns of NPT engagement on the 1/2 NPT process connectors.
Pneumatic Line Isolation: Install dedicated shutoff valves and air supply filter-regulators upstream of the 20 psi supply port to isolate instrument air during calibration.
Impulse Line Mounting: Mount impulse piping with a minimum slope of 1:12 toward the process taps to prevent gas accumulation in liquid lines or condensation buildup in gas lines.
Zero Adjustment: Verify line pressure equalization via a three-valve manifold before setting the mechanical zero screw under atmospheric reference conditions.
Environmental Sealing: Ensure front cover gaskets remain fully seated to uphold the NEMA 3 / IP53 enclosure rating against ambient dust and rain.

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