EMERSON 1056-01-22-38-AN Dual Input Analyzer

Product Overview

EMERSON Rosemount 1056-01-22-38-AN is a Dual Input Intelligent Analyzer (Rosemount 1056 Transmitter) designed for industrial liquid analysis applications. It supports single or dual sensor inputs and provides measurement, display, communication, and analog output functions for process monitoring systems.

This model configuration includes:

• Power: 115 VAC / 230 VAC, 50/60 Hz
• Measurement 1: pH / ORP
• Measurement 2: None
• Communication: Analog output
• Output: 0/4–20 mA current output

Correct Product Classification:
✅ Rosemount 1056 Dual-Input Intelligent Analyzer
✅ Liquid Process Analysis Transmitter
✅ pH/ORP Measurement Analyzer
❌ Not a PLC module

Specifications

• Brand: EMERSON (Rosemount)
• Model: 1056-01-22-38-AN
• Series: Rosemount 1056
• Product Type: Dual Input Intelligent Analyzer
• Application: Industrial Liquid Analysis

Electrical Specifications

• Power Supply: 115/230 VAC ±15%, 50/60 Hz
• Power Consumption: Approx. 10 W
• Analog Output: Two isolated 0/4–20 mA current outputs
• Communication: Analog communication

Measurement Functions

• Measurement 1: pH / ORP
• Measurement 2: None
• Supports:
  • pH measurement
  • ORP (Oxidation Reduction Potential) monitoring
  • Process liquid analysis

Physical Specifications

• Display: Backlit monochrome LCD
• Display Resolution: 128 × 96 pixels
• Enclosure: Polycarbonate
• Protection Rating: Type 4X / IP65
• Dimensions: Approx. 155 × 155 × 131 mm
• Operating Temperature: 0–55°C

Main Functions

• Measures pH and ORP values in industrial processes
• Converts sensor signals into standardized analog outputs
• Provides local display of process parameters
• Interfaces with PLC/DCS systems through analog signals
• Supports continuous liquid process monitoring

Advantages & Features

• Dual-input modular analyzer design
• High accuracy liquid measurement
• Supports multiple sensor types
• IP65 industrial enclosure
• Easy integration with automation systems
• Reduces panel space requirements
• Reliable operation in industrial environments

Applications

• Water treatment systems
• Chemical processing
• Pharmaceutical production
• Food and beverage processing
• Wastewater monitoring
• Industrial process control
• Power plant water chemistry monitoring

Compatible Sensors

Compatible with Rosemount liquid analysis sensors, including:

• pH sensors
• ORP sensors
• Conductivity sensors
• Dissolved oxygen sensors
• Chlorine sensors
• Ozone sensors
• Turbidity sensors

Precautions

• Confirm sensor type before installation
• Verify AC power supply voltage
• Check correct pH/ORP sensor wiring
• Calibrate analyzer after replacement
• Keep enclosure sealed to maintain IP65 protection
• Avoid installation in areas with excessive vibration or moisture