Description
Modem superimposes digital HART signal on 4–20 mA analog loop; reads native DD files of field transmitters to realize full parameter access without conversion.
Technical Specifications:
- Communication Protocol: HART 5 / HART 7
- Operating System: Windows Embedded CE
- Display: Anti-reflection color touch screen
- Battery: 7.4 V lithium-ion battery, continuous operation up to 12 hours
- Operating Temperature: -20 ℃ ~ +60 ℃
- Intrinsic Safety Certification: For hazardous area field operation
- Storage Expansion: SD card slot
Function Features:
- DD direct reading, support all manufacturer HART devices
- Offline device configuration, online polling and trimming
- Built-in device troubleshooting workflow
- Support firmware and DD library upgrade via SD card or USB
- Full QWERTY keyboard + numeric keypad
Material & Structure:
- Ergonomic handheld plastic enclosure; rubber anti-drop protection frame
- Matching charging docking station (only for non-hazardous zone)
Application Scenarios:
Field calibration of pressure/temperature transmitters, control valve positioner parameter setting, flowmeter maintenance, petrochemical plant instrument routine inspection.
Installation & Operation Requirements:
Connect to 4–20 mA instrument loop with qualified test leads; Charging only in non-explosive area; Follow intrinsic safety drawing when used in hazardous zone.
Usage Notes:
The charging cradle is NOT intrinsically safe; Do not charge in explosive atmosphere; Keep communication leads intact; Backup device configuration data regularly.
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