1056-02-25-38-HT Emerson

1056-02-25-38-HT Emerson Input module

Product  Description：

The Model 1056 is a line-powered device that acts as a central hub for liquid sensors. The specific part number 1056-02-25-38-HT indicates a specialized configuration. The "02" designation typically refers to a standard 24V DC power supply requirement. The "25" and "38" codes represent the specific measurement boards installed in the two available slots, often corresponding to parameters like Conductivity (Contacting) and Toroidal (Inductive) Conductivity, though these can vary based on regional catalog updates. The "HT" suffix refers to HART digital communication capabilities, which allow for advanced remote diagnostics and process management via the 4-20mA signal.

Product Parameters

• Input Power: 20 to 30 VDC, 15 W (for the -02 power option).

• Measurement Type: Dual input, allowing for independent or redundant measurements of parameters such as pH, ORP, Conductivity, Chlorine, Oxygen, or Turbidity.

• Outputs: Two 4-20 mA or 0-20 mA isolated current outputs, which can be assigned to represent any of the measured parameters or temperature.

• Digital Communication: HART digital communication over the 4-20mA signal for integration into Asset Management Solutions (AMS).

• Enclosure: NEMA 4X/IP66 rated, constructed from polycarbonate with a polyester front panel, designed to resist corrosion and harsh weather.

• Display: Large, multi-language, high-contrast LCD display ($3 \times 3$ inches) with backlighting for easy reading in dark or direct sunlight conditions.

• Temperature Compensation: Automatic or manual temperature compensation ranging from $0$ to $150^{\circ}\text{C}$ (depending on the sensor used).

Product Advantages

• High Versatility: The dual-input design reduces the cost per loop by allowing one analyzer to do the work of two, saving space on instrument panels and reducing installation time.

• User-Friendly Interface: The intuitive menu structure and dedicated "Quick Start" keys simplify the commissioning process, allowing technicians to set up the device in minutes without a manual.

• Enhanced Diagnostics: The HART communication (HT) allows for remote monitoring of sensor health, predicting when a sensor might fail or require cleaning, which significantly reduces unplanned downtime.

• Robust Design: Built to withstand the rigors of industrial sites, the IP66 enclosure ensures internal electronics remain protected from moisture, dust, and chemical splashes.

• Modular Accuracy: The internal boards are designed for high-resolution signal processing, ensuring that measurements are stable even in electrically noisy environments.

Important Considerations and Precautions

• Wiring Safety: Ensure all power is disconnected before opening the enclosure. Since this is a DC-powered unit (-02), double-check the polarity of the 24V supply to prevent damage to the internal power board.

• Sensor Compatibility: Only use compatible Rosemount sensors. Using third-party sensors may lead to inaccurate readings or could potentially damage the measurement boards.

• Gland Sealing: To maintain the NEMA 4X/IP66 rating, all cable entry points must be properly sealed with liquid-tight cable glands. Unused openings must be plugged.

• Grounding: Proper earthing of the enclosure and the cable shields is critical to prevent electromagnetic interference from affecting the sensitive measurement signals.

• Calibration: Regular calibration using certified buffer solutions or standard solutions is required to maintain accuracy, especially in high-fouling applications.

Product Applications

The Emerson 1056-02-25-38-HT is used extensively across industries where liquid quality is a critical factor in the production process.

• Water and Wastewater Treatment: Monitoring effluent quality, measuring chlorine levels for disinfection, and tracking pH levels to ensure regulatory compliance.

• Power Generation: Used in boiler feed water and condensate return systems to monitor conductivity, preventing scale buildup and corrosion in high-pressure steam systems.

• Chemical Processing: Monitoring concentration levels in chemical blending and ensuring the purity of process fluids.

• Food and Beverage: Critical for Clean-In-Place (CIP) systems where conductivity measurements are used to distinguish between water, cleaning chemicals, and product.

• Pharmaceuticals: Ensuring the quality of USP (United States Pharmacopeia) water and monitoring various stages of liquid processing where high-precision measurements are non-negotiable.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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