LCS-1 Programmable Computer-Controlled Temperature Controller
| Origin | China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | LCS-1 |
| Price | Upon Request |
| Temperature Control Range | 0–1600 °C |
| Temperature Resolution | 1 °C |
| Programmable Segments | 9 |
| Maximum Load Power | ≤5 kW |
| Time Setting Range | 0–9999 min (or 0–99 min 59 s) |
| Time Resolution | 1 min (or 1 s) |
| Power Supply | AC 220 V ±20 %, 50 Hz |
| Dimensions | 260 × 280 × 120 mm |
Overview
The LCS-1 Programmable Computer-Controlled Temperature Controller is an industrial-grade thermal management system engineered for precise, repeatable, and automated temperature profiling in high-temperature laboratory and quality control environments. Designed specifically for integration with muffle furnaces, tube furnaces, ashing ovens, and other resistive heating apparatuses, the controller operates on a closed-loop PID algorithm with real-time feedback from external thermocouples (Type K or S standard). Its core function is to execute multi-stage thermal programs—such as rapid ashing, slow ashing, volatile matter determination, Roga index testing, and caking index analysis—per ASTM D3174, ASTM D3175, ISO 562, ISO 3987, and GB/T 212–2008 standards. The unit supports full-cycle automation: sample loading prompts via audible alert, endpoint detection, and automatic power cutoff to prevent thermal runaway and ensure operator safety and equipment longevity.
Key Features
- 9-segment programmable thermal profile capability, enabling complex ramp-soak-cool sequences required for coal analysis, ceramic sintering, and metallurgical testing.
- High-stability PID control with auto-tuning and environmental temperature tracking compensation—minimizing drift due to ambient fluctuations during long-duration tests.
- Integrated self-diagnostic subsystem that continuously monitors thermocouple integrity, relay status, power input stability, and internal sensor health; error codes are displayed and logged.
- Non-volatile memory with battery-backed RAM ensures program retention and process continuity after unexpected power loss (drop-out protection).
- Real-time simulation mode allows operators to verify logic flow and timing without engaging the heating load—critical for method validation and staff training.
- Front-panel interface with LED display and tactile membrane keys supports intuitive navigation, parameter entry, and historical data recall (up to 100 completed run records).
Sample Compatibility & Compliance
The LCS-1 is compatible with all standard industrial furnace types rated up to 5 kW and operating within 0–1600 °C, including but not limited to box-type muffle furnaces, vertical tube furnaces, and horizontal ashing ovens. It accepts Type K (chromel-alumel) and Type S (platinum-rhodium) thermocouples per IEC 60584-1, ensuring traceable calibration against NIST-traceable references. The controller meets electromagnetic compatibility requirements per EN 61326-1 (industrial environment), and its electrical insulation complies with IEC 61010-1 for laboratory equipment. For regulated laboratories, it supports audit-ready operation when paired with optional RS485/Modbus RTU output for integration into LIMS or SCADA systems compliant with FDA 21 CFR Part 11 data integrity principles.
Software & Data Management
While the LCS-1 operates as a standalone embedded controller, its serial communication interface (RS485 standard, Modbus RTU protocol) enables bidirectional data exchange with host PCs running custom or third-party lab automation software. Users can upload/download programs, export timestamped temperature logs (including setpoint, actual PV, and alarm status), and generate CSV-formatted reports suitable for GLP/GMP documentation. Firmware updates are performed via USB-to-serial adapter using manufacturer-provided configuration utilities—no proprietary dongles or cloud dependencies required. All operational events—including power cycles, program starts/stops, fault triggers, and manual overrides—are time-stamped and stored locally for forensic review.
Applications
- Coal and coke analysis: Fast/slow ashing (ASTM D3174), volatile matter (ASTM D3175), fixed carbon calculation, and Roga index (ISO 3987) determination.
- Cement and refractory testing: Loss-on-ignition (LOI), calcination profiling, and thermal stability assessment of clinker and raw meal.
- Environmental testing labs: Solid waste characterization per EPA Method 5050 and TCLP preparation protocols requiring controlled pyrolysis.
- Materials R&D: Pre-sintering heat treatment of advanced ceramics, activation of catalyst supports, and binder burnout in powder metallurgy.
- Academic teaching labs: Demonstrating thermal kinetics, phase transformation boundaries, and furnace control theory with reproducible, documented profiles.
FAQ
Does the LCS-1 support Type S thermocouples for high-temperature accuracy above 1200 °C?
Yes—it accepts both Type K (−200 °C to +1372 °C) and Type S (0 °C to +1768 °C) inputs with automatic cold-junction compensation.
Can multiple LCS-1 units be daisy-chained on a single Modbus network?
Yes—each unit is assigned a unique slave ID (1–247), supporting up to 32 nodes on one RS485 bus with proper termination and biasing.
Is firmware upgrade capability included at no additional cost?
Yes—official firmware releases and configuration tools are freely available via the manufacturer’s secure technical portal for registered end-users.
How is calibration verification performed in routine QC workflows?
The unit includes a built-in reference junction check and supports external dry-block calibrator integration; calibration certificates follow ISO/IEC 17025 guidelines when performed by accredited service providers.
What safety interlocks are implemented to prevent overheating or misoperation?
Hardware-based overtemperature cut-off (independent of microcontroller), zero-crossing SSR drive, dual-stage current monitoring, and configurable alarm thresholds with latching relay output.
