Rosemount 1056‑01‑22‑38‑AN Single-Chassis Liquid Analytical Transmitter, 4-20mA HART pH/ORP Analyzer for General Industrial Water and Process Fluid Monitoring

Rosemount 1056‑01‑22‑38‑AN General-Purpose pH and ORP Liquid Analytical Transmitter with HART Connectivity

Tailored Industrial Application Scenarios for Rosemount 1056‑01‑22‑38‑AN

Process Fluid Quality Control Loops

Rosemount 1056‑01‑22‑38‑AN supports continuous pH and ORP tracking for chemical batch processing, industrial circulating fluid systems and manufacturing process water loops. Stable signal output maintains consistent process condition feedback to stabilize chemical reaction efficiency and reduce product quality deviation.

Municipal and Industrial Water Treatment Systems

Water purification plants, wastewater discharge facilities and cooling tower systems rely on Rosemount 1056‑01‑22‑38‑AN for accurate water quality verification. Real-time pH balance and oxidation-reduction potential monitoring ensures operational compliance with environmental discharge standards and protects downstream process equipment from corrosive fluid conditions.

Datasheet-Based Model Code Interpretation of Rosemount 1056‑01‑22‑38‑AN

Full Suffix Configuration Parameter Breakdown

Each numeric and alphabetic segment within Rosemount 1056‑01‑22‑38‑AN defines fixed factory hardware and functional configurations, with no field modification required for standard system integration. Every suffix aligns with official Emerson datasheet classification for precise model specification confirmation.

• 1056: Compact single-chassis liquid analytical transmitter base platform for general industrial fluid analysis

• 01: 115 V AC mains power configuration, designed for standard industrial facility power distribution layouts

• 22: Dedicated pH and ORP signal input board, optimized for electrochemical sensor signal acquisition

• 38: Dual isolated 4-20mA analog outputs integrated with superimposed HART digital communication protocol

• AN: Standard polycarbonate wall-mount enclosure for non-hazardous general-purpose industrial installation

pH/ORP Measurement Accuracy and Operational Performance

Standard Process Measurement Range

Rosemount 1056‑01‑22‑38‑AN delivers precise pH measurement across 0 to 14 pH and ORP detection from -1500 mV to +1500 mV. Consistent resolution captures minor fluid condition changes to support fine-tuned process control. Integrated temperature compensation offsets ambient and process temperature shifts to preserve reading stability.

Automatic Calibration and Drift Reduction

Built-in automatic buffer recognition simplifies on-site calibration routines and minimizes manual adjustment errors. Continuous sensor condition monitoring detects gradual signal drift, enabling proactive maintenance scheduling. Standard factory calibration ensures accurate operation immediately after field installation.

Communication Architecture and Signal Output Stability

Isolated Analog and Digital Dual-Signal Transmission

Rosemount 1056‑01‑22‑38‑AN features dual galvanically isolated 4-20mA outputs to transmit scaled process variables to DCS and PLC systems. Isolated circuit design eliminates ground loop interference and cross-channel signal distortion in densely wired control cabinets.

Smart HART Diagnostic and Remote Management

HART protocol integration enables remote device configuration, calibration data review and real-time diagnostic logging. Field technicians access sensor health status, loop fault data and historical process trends without physical transmitter interaction. Comprehensive data tracking supports systematic plant asset management.

Structural Design and Environmental Adaptability

Wall-Mount Enclosure Practicality

Lightweight polycarbonate housing of Rosemount 1056‑01‑22‑38‑AN supports secure wall mounting in control rooms, water treatment facilities and general process areas. Standard conduit openings simplify sealed field wiring installation and protect internal circuitry from dust and moisture intrusion.

Wide Industrial Operating Tolerance

The transmitter operates steadily within 0°C to 55°C ambient temperature and 5% to 95% non-condensing humidity range. Rugged internal component construction resists minor vibration and electromagnetic interference, supporting 24/7 continuous operational reliability for long-term process monitoring tasks.

Core Reasons to Select Rosemount 1056‑01‑22‑38‑AN

Plant automation teams select Rosemount 1056‑01‑22‑38‑AN for its balanced precision, flexible connectivity and simple field deployment. Pre-configured pH/ORP hardware eliminates additional board installation work, while dual 4-20mA outputs and HART compatibility adapt to both legacy and modern automation systems. Reliable general-purpose performance lowers operational costs for standard water and fluid analysis loops without sacrificing measurement consistency.