Emerson EZ1000 – Non-Invasive Current Measurement System | EZ Series Platform
Engineering Background
Accurate current measurement is foundational to energy management, motor protection, and process control in industrial environments. Traditional inline current sensing requires circuit interruption and introduces installation risk. The Emerson EZ1000 eliminates this constraint with a clamp-on, non-invasive architecture that delivers precision measurement without breaking the circuit.
Product Positioning
The EZ1000 is engineered for procurement engineers and system integrators who require a reliable, calibrated current transducer for continuous monitoring in demanding industrial settings. It is a direct-fit solution for energy metering panels, motor control centers (MCCs), and distributed I/O architectures where downtime for sensor installation is not acceptable.
Complete Technical Specifications
- Model: EZ1000
- Manufacturer: Emerson Electric Co.
- Series / Platform: EZ Series Current Measurement
- Measurement Type: AC / DC Current (Non-Invasive Clamp-On)
- Input Range: 0–1000 A (AC/DC)
- Output Signal: 4–20 mA analog (standard); consult datasheet for optional outputs
- Accuracy: ±1% of full scale (typical)
- Supply Voltage: 24 VDC (loop-powered or auxiliary; verify with datasheet)
- Operating Temperature: -20°C to +70°C
- Protection Rating: IP20 (panel-mount); IP65 field enclosure optional
- Mounting: DIN rail (EN 60715 TS35) or panel-mount bracket
- Conductor Clearance: Clamp jaw opening — refer to dimensional drawing
- Weight: Approx. 160 g
- Certifications: CE, UL (verify current listing with Emerson)
- Country of Origin: United States
- Part Number / SKU: EZ1000
Proven Application Environments
- Energy Management Systems (EMS): Sub-metering of individual feeders and branch circuits without panel shutdown
- Motor Control Centers (MCCs): Continuous load monitoring for predictive maintenance and overload detection
- Building Automation (BAS/BMS): HVAC compressor and pump current trending integrated with BACnet/Modbus controllers
- Process Industries: Oil & gas, chemical, water/wastewater — where intrinsically safe or explosion-proof variants may be required
- Renewable Energy: Inverter output monitoring in solar and wind installations
- Data Centers: PDU-level current monitoring for capacity planning and PUE optimization
Engineering Advantages
- Zero-Downtime Installation: Clamp-on design requires no circuit interruption — install live on energized conductors
- Universal Conductor Compatibility: Fits standard round and busbar conductors across a wide cross-section range
- 4–20 mA Universal Output: Direct interface to PLCs, DCS analog input cards, SCADA systems, and data loggers
- High Linearity: ±1% accuracy across the full measurement range ensures reliable setpoint and alarm logic
- DIN Rail Ready: Snap-mount installation reduces panel wiring time and supports modular expansion
- Emerson Ecosystem: Designed for seamless integration with Emerson DeltaV DCS, Fisher valve controllers, and Rosemount transmitters
System Architecture & Signal Flow
The EZ1000 operates as a passive clamp-on current transformer (CT) coupled with an integrated signal conditioning module. The conductor under measurement passes through the clamp jaw, inducing a proportional secondary current. The onboard electronics linearize and scale this signal to a 4–20 mA output, which is wired directly to the analog input channel of the host controller. No primary circuit modification is required. The loop-powered design minimizes auxiliary wiring and simplifies panel layout.
Typical signal chain: Energized conductor → EZ1000 clamp jaw (CT core) → Signal conditioner → 4–20 mA output → PLC/DCS AI card → SCADA/HMI display
Sourcing & Quality Verification
- Source: Konmask.com sources EZ1000 units from authorized Emerson distribution channels and verified industrial surplus with full traceability
- Inspection: Each unit undergoes visual inspection, label verification, and functional continuity check prior to shipment
- Documentation: Original Emerson datasheet, calibration certificate (where available), and CE declaration of conformity supplied on request
- Warranty: 12-month Konmask warranty against manufacturing defects; Emerson OEM warranty terms apply to new-in-box units
- Counterfeit Prevention: All units verified against Emerson part number databases; holographic labels and date codes inspected
Procurement Process
- Confirm Specification: Verify input range (0–1000 A), output type (4–20 mA), and conductor size against your panel drawings
- Request Quote: Contact support@konmask.com for volume pricing, lead time, and availability confirmation
- Submit PO: Purchase orders accepted via email; proforma invoice issued within 1 business day
- Shipping: DHL Express / FedEx International Priority standard; EXW Xiamen or CIF destination available
- Documentation: Commercial invoice, packing list, COO certificate, and technical datasheet included with every shipment
Technical FAQ
Q: Can the EZ1000 measure DC current?
A: Yes. The EZ1000 is rated for both AC and DC current measurement. Verify polarity orientation for DC applications per the installation guide.
Q: What is the maximum conductor diameter the clamp jaw accepts?
A: Refer to the Emerson EZ1000 dimensional drawing for exact jaw opening. Contact us if you need to measure large-diameter busbars — we can advise on compatible accessories.
Q: Is the 4–20 mA output loop-powered or does it require separate auxiliary power?
A: The EZ1000 is designed for loop-powered operation (2-wire, 4–20 mA). Confirm with the datasheet for your specific revision.
Q: Can I use this with a Siemens S7 or Allen-Bradley ControlLogix PLC?
A: Yes. The 4–20 mA output is a universal industrial standard compatible with any PLC analog input module rated for current input. No special configuration is required beyond scaling the AI channel to 0–1000 A.
Q: Do you offer calibration certificates?
A: Calibration certificates are available for new-in-box units. Contact support@konmask.com to request documentation prior to order.
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 unit. Volume discounts apply for orders of 5+ units. Contact us for a tiered pricing schedule.
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