Emerson Rosemount 56-03-22-38-HT Analytical Transmitter

Emerson Rosemount 56-03-22-38-HT

Analytical Transmitter (Dual-Input, pH/ORP/ISE)

Basic Description

Technical Specifications

• Measurement Input: Channel 1 = pH/ORP/ISE; Channel 2 = None
• Power Supply: 85–265 VAC, 50/60 Hz, 20 W
• Display: 480×272 pixel full‑color LCD, 4‑line, multilingual
• Analog Outputs: 4×isolated 4–20 mA, scalable, 550 Ω max load
• Relays: 4×programmable alarm relays (high/low, fault)
• Communication: HART® digital (standard); Profibus DP optional艾默生
• Data Logging: 30‑day history, USB 2.0 for data/config upload/download
• PID Control: Built‑in PID for closed‑loop control艾默生
• Enclosure: NEMA 4X / IP65, wall‑mount
• Temperature: −20 °C to +60 °C (ambient)
• Certifications: FM Class I Div 2, CE, cULus

Key Features

• Dual‑input flexibility: Supports multiple sensor types艾默生
• High accuracy: pH ±0.01 pH; ORP ±1 mV
• Smart sensor compatibility: SMART pH auto‑calibration
• Full‑color display: Trend graphs, customizable views
• HART communication: Remote diagnostics & configuration艾默生

Applications

• Water & wastewater: pH/ORP monitoring, disinfection control
• Power: Boiler water, condensate, cooling tower analysis
• Chemical & refining: Process pH, ISE, and conductivity monitoring
• Food & beverage: CIP, wastewater, and product quality control