Rosemount 3051TG1A2B21B Pressure Transmitter -1 to 2.1BAR 4-20mA 48VDC ATEX CE with 2-Way Valve Manifold

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Brand	ROSEMOUNT	SKU	AIG20260920190452001
Category	Equipment Replacement Part	Stock	32In Stock
Unit	piece

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Product Overview

The Rosemount 3051TG1A2B21B in-line gage pressure transmitter delivers industry-leading measurement accuracy and reliability for demanding industrial process applications. Designed for -1 to 2.1 BAR gage pressure ranges, this 4-20mA loop-powered device operates on 48 VDC supply and features 1/2 IN-14 TPI FNPT process connections with M20 x 1.5 mm electrical conduit entry. Constructed with an aluminum housing and 316L stainless steel wetted parts, it is ATEX and CE certified for intrinsically safe operation, making it ideal for ammonia plants and hazardous area installations. This unit comes pre-assembled with a 2-way valve manifold for simplified installation and maintenance.

Key Features

High-precision gage pressure measurement from -1 to 2.1 BAR with stable 4-20mA output signal
Intrinsically safe design with ATEX and CE certification for hazardous area use
316L stainless steel wetted parts for excellent compatibility with ammonia and corrosive media
Rugged aluminum housing suitable for harsh industrial plant environments
Includes 2-way valve manifold for convenient isolation, calibration, and maintenance
Loop-powered 48 VDC operation with 1/2" FNPT process and M20x1.5 electrical connections
Factory-calibrated for reliable, long-term performance with minimal drift

Specifications

Parameter	Value
Model Number	3051TG1A2B21B
Measurement Type	Gage Pressure, In-Line
Pressure Range	-1 to 2.1 BAR
Output Signal	4-20mA (Loop-Powered)
Supply Voltage	48 VDC
Process Connection	1/2 IN-14 TPI FNPT
Electrical Connection	M20 x 1.5 mm
Housing Material	Aluminum (AL)
Wetted Parts Material	316L Stainless Steel
Certifications	ATEX, CE, Intrinsically Safe
Included Accessories	2-Way Valve Manifold
Primary Application	Ammonia Plant Process Monitoring

Applications

Ammonia production and refrigeration plant pressure monitoring
Hazardous area process control systems requiring ATEX compliance
Chemical and petrochemical processing pressure measurement
Industrial pipeline and vessel pressure monitoring
Loop-powered process control and SCADA systems
Corrosive media measurement with 316L stainless steel compatibility

Package Contents

1 x Rosemount 3051TG1A2B21B Pressure Transmitter
1 x Pre-assembled 2-Way Valve Manifold
1 x Factory Calibration Certificate
1 x Product Installation and Operation Manual
1 x Original Industrial Packaging

Parameter	Value	Model Number	3051TG1A2B21B
Measurement Type	Gage Pressure, In-Line	Pressure Range	-1 to 2.1 BAR
Output Signal	4-20mA (Loop-Powered)	Supply Voltage	48 VDC
Process Connection	1/2 IN-14 TPI FNPT	Electrical Connection	M20 x 1.5 mm
Housing Material	Aluminum (AL)	Wetted Parts Material	316L Stainless Steel
Certifications	ATEX, CE, Intrinsically Safe	Included Accessories	2-Way Valve Manifold
Primary Application	Ammonia Plant Process Monitoring

Quality Assured

All products come from brand-authorized channels or directly from the original manufacturer. Every order undergoes quality inspection before dispatch and comes with a certificate of conformity and warranty card.

Shipping & Delivery

In-stock items are dispatched within 24 hours via express courier or dedicated freight lines. Full-truck solutions are available for bulk cargo, with end-to-end tracking.

Return Policy

Unused products in their original packaging can be returned within 7 days of delivery. For quality issues, the seller covers all shipping costs, and products are covered by a 12-month warranty.

After-Sales Service

Dedicated one-on-one customer support is online on weekdays from 9:00 to 18:00. Remote engineer support for product selection and installation guidance is available by appointment.