Additel 87X-1210 Thermocouple Calibration Furnaces
The Additel 87X-1210 Thermocouple Calibration Furnaces deliver precise and repeatable temperature calibration for industrial and laboratory environments. Designed for professionals who demand accuracy and efficiency, this series combines advanced temperature control, rugged construction, and flexible configuration options. The furnaces support high-temperature thermocouple calibration up to 1210°C while maintaining excellent stability and uniformity.
Introduction to the Additel 87X-1210 Series
The Additel 87X-1210 series includes two models, the ADT875-1210 and the ADT878-1210. Both models provide reliable temperature control across a wide range and support demanding calibration workloads. Engineers and technicians use these furnaces to calibrate thermocouples with confidence, reduce uncertainty, and improve overall calibration efficiency. The compact and portable design also allows easy deployment in both fixed laboratories and field environments.
Advanced Temperature Control Technology
Multi-Zone Heating System
Additel equips the 87X-1210 furnaces with a patented multi-zone heating system. This design actively manages temperature distribution along the insert, resulting in excellent axial and radial uniformity. The furnace maintains consistent heat across the calibration zone, which helps users achieve repeatable and traceable results.
Advanced Adaptive Control
The Advanced Adaptive Control system actively adjusts temperature behavior during operation. By combining wind tunnel airflow management with three-zone temperature regulation, the furnace minimizes gradients and stabilizes faster. Users benefit from shorter waiting times and improved calibration accuracy across the entire temperature range.
Calibration Accuracy and Stability
The Additel 87X-1210 furnaces operate from 100°C to 1210°C with outstanding performance. The ADT875-1210 delivers reliable accuracy for standard calibration tasks, while the ADT878-1210 offers enhanced display accuracy for reference-level applications. The system reaches thermal stability quickly and maintains it consistently, allowing users to perform calibrations with minimal drift.
Each furnace undergoes testing and calibration in an ISO 17025-accredited laboratory. The included calibration certificate provides documented performance data for accuracy, stability, and uniformity, supporting compliance with international quality standards.
Optional Process Calibrator Integration
Multi-Channel Measurement Capability
Users can equip the Additel 87X-1210 with an optional on-board Process Calibrator. This option expands the furnace into a complete temperature and process calibration system. The process electronics measure a reference thermocouple along with multiple units under test. The system also supports electrical measurements such as current, voltage, and switch testing.
Documentation and Communication Features
The process calibration option allows users to create tasks, store as-found and as-left data, and manage calibration records directly on the device. HART communication support simplifies transmitter calibration tasks. Snapshot and data logging functions help users capture and review results efficiently, while external reference control improves accuracy and enables self-calibration.
Mechanical Design and Usability
The Additel 87X-1210 furnaces feature a durable metal housing designed for demanding environments. Metallic interchangeable inserts allow users to accommodate different thermocouple sizes and types without compromising thermal performance. The large color touch screen provides clear visibility and intuitive operation, even in busy calibration settings.
The furnace supports multiple communication interfaces, including USB, Ethernet, Wi-Fi, and Bluetooth. These options allow easy data transfer, remote connectivity, and integration into modern calibration workflows.
Model Variants in the 87X-1210 Series
ADT875-1210 Standard Model
The ADT875-1210 serves users who require dependable performance for routine thermocouple calibration. It delivers stable temperature control across the full operating range and supports optional process calibration features.
ADT878-1210 Reference Model
The ADT878-1210 targets applications that demand higher measurement confidence. With improved display accuracy and advanced control capabilities, this model supports reference-level calibration tasks in laboratories and quality-critical industries.
Applications of Additel 87X-1210 Furnaces
Professionals use the Additel 87X-1210 Thermocouple Calibration Furnaces in calibration laboratories, manufacturing facilities, power plants, oil and gas operations, and aerospace environments. The combination of precision, portability, and advanced electronics makes the series suitable for both verification and full calibration work.












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