Key Technical Specifications
Model: ADT227Ex-HART
Type: Documenting Multifunction Process Calibrator with HART Communication
Certification: Intrinsically Safe (ATEX, IECEx, CSA)
Electrical Measurement
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Voltage Measurement: (300V AC)
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Current Measurement: input impedance < 40 Ω;
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Resistance Measurement: 0.2mA
Temperature & Pressure
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RTD Types Supported: PT10, PT50, PT100, PT200, PT500, PT1000
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Thermocouple Types Supported: J, K, T, E, R, S, B, N, L, U
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Cold Junction Compensation: Automatic or Manual
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Pressure Measurement: Supports Additel intelligent digital pressure modules
Communication
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HART Communication: Built-in HART modem
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Supports universal, common practice, and device-specific commands
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Online/offline configuration, loop testing, and diagnostics
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USB Port: For data transfer and charging
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Wi-Fi/Bluetooth: Optional depending on model variant
Display & Interface
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Display: 4.4 inch 640 x 480 mm color display capacitive screen
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Interface: Touchscreen + physical keys
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Operating System: Linux-based intuitive UI
Battery & Power
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Battery Type: Rechargeable Li-ion battery (included)
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Battery Life: Up to 35 hours
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Charging: Intrinsically safe external charger
Environmental & Build
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Protection Class: IP67 (Dustproof and Waterproof)
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Operating Temperature: -20°C to 50°C
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Storage Temperature: -30°C to 70°C
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Weight: 1.65 lb (0.75Kg)
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Size: 6.97" x 4.13" x 2.04" (177 mm x 105 mm x 52 mm)
Safety & Compliance
Key Features:
Intrinsically Safe for Hazardous Areas
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Certified for use in Zone 0 / Class I, Division 1 hazardous locations
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ATEX, IECEx, and CSA certified – ensuring maximum safety in explosive environments
All-in-One Multifunction Calibrator
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Combines voltage, current, resistance, RTD, thermocouple, and frequency calibration in one device
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Supports pressure calibration with external pressure modules
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Integrated 24V loop power supply for transmitter testing
Built-in HART Communicator
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Fully compliant with HART protocol
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Communicates with most HART-enabled field devices
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Includes built-in HART device library with regular updates
Touchscreen Interface & Rugged Design
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4” high-resolution color touchscreen with intuitive menu navigation
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Rugged IP67-rated casing built to withstand tough field conditions
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Drop-resistant and glove-friendly touchscreen usability
Long Battery Life
Data Logging & Documenting
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Built-in data logging, task scheduling, and documentation functions
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Ideal for calibration procedures, traceability, and compliance reporting
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Supports custom calibration templates
Connectivity & Compatibility
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USB, Wi-Fi, and optional Bluetooth connectivity for syncing, updates, and communication
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Easy data transfer to PC or cloud-based systems
User-Friendly Interface
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Linux-based OS with smooth operation
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Simple navigation through multiple functions and modes
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Multi-lingual support for global operations
Field-Ready Accessories
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Supplied with test leads, HART resistor, USB cable, and carrying case
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Compact, portable, and designed for on-site and lab use