Description
Rosemount 1056-01-22-38-HT 1056 Intelligent Four-Wire Transmitter
Product Dimensions:
The Rosemount 1056 Dual-Channel Transmitter is a highly versatile instrument known for its “multi-parameter” capabilities. The specific configuration you provided (1056-01-22-38-HT) is a sophisticated setup typically used for liquid analysis.
1. Product Breakdown (Model Code)
To understand this specific unit, we have to decode the suffix:
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01: Power supply (115/230 VAC, 50/60 Hz).
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22: Measurement 1 (Contacting Conductivity).
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38: Measurement 2 (Toroidal Conductivity/Electrodeless).
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HT: Special Option (HART Digital Communication).
2. Technical Specifications
The 1056 is designed to handle two sensors simultaneously, allowing for differential measurements or two independent readings.
| Feature | Specification |
| Enclosure | Polycarbonate, NEMA 4X/CSA 4 (IP66) |
| Display | Large, high-contrast LCD with backlighting |
| Inputs | Dual Channel (Conductivity + Toroidal Conductivity) |
| Outputs | Two 4-20 mA isolated outputs + HART |
| Temperature Range | 0 to 55°C (32 to 131°F) |
| Accuracy | Digital accuracy ±0.6% of scale |
| Conduit Openings | 1/2″ NPT (standard) |
3. Key Product Advantages
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Dual-Channel Versatility: Monitor two different types of conductivity (Contacting and Toroidal) on a single screen, saving space and reducing installation costs.
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User-Friendly Interface: Features a “Quick Start” programming menu that recognizes sensor boards automatically.
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HART Communication: The -HT option allows for remote diagnostics, configuration, and integration into asset management software.
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Robust Diagnostics: Continuous monitoring of sensor integrity and electronics for predictive maintenance.
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High Visibility: The display is easily readable even in direct sunlight or dim industrial environments.
4. Important Considerations (Precautions)
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Sensor Compatibility: Ensure that the sensors used match the “22” and “38” input cards. Using a pH sensor on a conductivity card will not work.
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Grounding: Proper grounding of the shielded sensor cable is critical to prevent signal noise and erratic readings.
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Environmental Exposure: While NEMA 4X rated, avoid installing the transmitter in direct steam paths or areas with extreme vibration.
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Power Supply: Verify your local voltage matches the -01 (AC) configuration before wiring to avoid blowing the internal fuse.
5. Product Applications
Because this specific model combines Contacting Conductivity (for high-purity water) and Toroidal Conductivity (for high-chemical/fouling environments), it is ideal for:
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Water Treatment: Monitoring reverse osmosis (RO) efficiency and demineralizer performance.
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Chemical Processing: Measuring concentration in cooling towers or acid/base dilution.
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Food & Beverage: Clean-in-Place (CIP) systems where caustic or acid strength must be monitored.
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Pulp & Paper: Monitoring black liquor or chemical recovery processes.
Shipping Port: Xiamen, 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
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