TP GY-3 Infrared Light Source
| Brand | TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | GY-3 |
| Pricing | Available Upon Request |
Overview
The TP GY-3 Infrared Light Source is a stable, broadband thermal emitter engineered for routine and research-grade Fourier Transform Infrared (FTIR) and dispersive infrared spectroscopy applications. Operating across the mid-infrared spectral range of 4000–400 cm⁻¹ (2.5–25 µm), it delivers consistent blackbody-like emission suitable for calibration, system alignment, and functional verification of infrared optical components and spectrometers. Designed specifically for integration with the WDS-4 series dispersive spectrometer, the GY-3 incorporates an optimized filament geometry, precision-matched thermal housing, and controlled power regulation to minimize spectral drift and spatial non-uniformity. Its output stability—measured as <±1.5% intensity variation over 30 minutes at nominal operating temperature—supports reproducible baseline establishment and qualitative/quantitative spectral validation in laboratory and quality control environments.
Key Features
- Broadband mid-IR emission spanning 4000–400 cm⁻¹, compliant with ISO 17025 traceability requirements for source-based instrument verification
- Integrated dedicated power supply with current-limiting circuitry and soft-start functionality to extend filament lifetime and suppress thermal shock
- Collimated beam output via integrated parabolic reflector and fused silica condenser lens, ensuring high spatial coupling efficiency with WDS-4 input optics
- Thermally stabilized ceramic heater assembly with passive cooling design, enabling continuous operation up to 8 hours without performance degradation
- Modular mechanical interface compatible with standard 25.4 mm optical posts and kinematic mounts, facilitating alignment repeatability in multi-source configurations
- CE-marked electrical safety compliance and RoHS-conformant materials handling
Sample Compatibility & Compliance
The GY-3 is not a sample analysis device but a reference irradiance source intended for optical path validation, detector linearity assessment, and wavelength calibration verification. It is routinely employed in accordance with ASTM E1421–22 (“Standard Practice for Describing and Measuring Performance of FT-IR Spectrometers”) and supports GLP-compliant instrument qualification protocols including IQ/OQ documentation. When used with the WDS-4 spectrometer, the combined system meets spectral accuracy tolerances specified in ISO 8573-9 for gas-phase absorption measurement traceability. No sample chamber or consumables are required; operational verification may be performed using NIST-traceable potassium bromide (KBr) or polyethylene reference films.
Software & Data Management
As a hardware light source, the GY-3 operates independently of software control and requires no driver installation or firmware updates. Its use within analytical workflows is fully compatible with third-party spectroscopic data acquisition platforms—including OPUS (Bruker), OMNIC (Thermo Fisher), and GRAMS/AI (Thermo Scientific)—via standard analog trigger and status I/O lines. For audit-trail compliance in regulated environments (e.g., pharmaceutical QC per FDA 21 CFR Part 11), instrument logs documenting source activation time, cumulative operating hours, and thermal stabilization status can be manually recorded or integrated into LIMS via external digital timer modules.
Applications
- Baseline stability testing and dark-current correction validation for dispersive IR spectrometers
- Wavelength scale verification using characteristic absorption bands of polystyrene film (e.g., 1601 cm⁻¹, 1028 cm⁻¹)
- Detector responsivity mapping across the mid-IR range using calibrated thermopile or DTGS detectors
- Optical alignment and throughput optimization of interferometer-based FTIR systems
- Educational demonstration of Planck’s law, emissivity effects, and atmospheric transmission windows (e.g., 8–14 µm region)
- Preventive maintenance benchmarking prior to ASTM D6248 or USP infrared identity testing
FAQ
Is the GY-3 compatible with spectrometers other than the WDS-4?
Yes—while mechanically and optically optimized for the WDS-4, its collimated 25.4 mm output beam and standard C-mount flange allow adaptation to most benchtop dispersive or scanning IR spectrometers via custom adapter rings.
What is the typical filament lifetime under continuous operation?
Rated for ≥2000 hours at nominal voltage (±5%); lifetime is extended by 30–40% when operated at 90% rated power with periodic thermal cycling intervals.
Does the GY-3 require water cooling or forced air ventilation?
No—it employs passive convection cooling only; ambient airflow of ≥0.5 m/s is recommended for sustained operation above 4 hours.
Can the GY-3 be used for quantitative radiometric calibration?
Not directly—it is a relative intensity source; absolute spectral radiance calibration requires NIST-traceable transfer standards and secondary calibration against a certified blackbody radiator.
Is factory recalibration available?
Yes—TP offers annual recalibration services including spectral output verification, beam collimation assessment, and electrical safety retesting, documented per ISO/IEC 17025:2017 requirements.
