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| Brand | Top Instruments (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | WSZ-710 |
| Price Range | USD 1,400 – 7,200 |
| Brand | TOP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | WSY-3 |
| Pricing | Available Upon Request |
| Brand | Top PNP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Region Classification | Domestic (China) |
| Model | TP-PNB-1 |
| Pricing | Available Upon Request |
| Brand | TopOptics |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Origin Category | Domestic (China) |
| Model | WSZ-1 |
| Pricing | Upon Request |
| Dimensions | 1200 × 800 × 120 mm |
| Vibration Isolation | Dual-layer passive isolation system |
| Material | Magnetic stainless steel surface plate |
| Height Adjustment Range | 180–240 mm (optical axis centerline) |
| Integrated Safety Features | Built-in power sockets with residual-current circuit breaker (RCCB) |
| Adjustability | Five-axis precision kinematic mounts compatible |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | LR-1 / LR-2 |
| Pricing | Upon Request |
| Spectral Repeatability | ≤0.2 nm |
| Wavelength Range (LR-1) | 300–650 nm |
| Wavelength Range (LR-2) | 300–800 nm |
| Wavelength Accuracy | ≤±0.4 nm |
| Stray Light | ≤0.3% T |
| Relative Aperture | f/5.5 |
| Grating Density | 1200 lines/mm |
| Slit Width Adjustment | 0–2 mm (continuous, motorized or manual) |
| Slit Position Resolution | 0.01 mm per division (max. 20 mm travel) |
| Spectral Bandwidth (FWHM @ 589 nm, 3 mm height × 0.2 mm width slit) | ≤0.2 nm |
| Detection Unit | Single-Photon Counting Module (SPCM) |
| Excitation Source (LR-1) | He–Ne Laser (632.8 nm, >40 mW, linearly polarized, external cavity) |
| Excitation Source (LR-2) | Tunable-Power Semiconductor Laser (532 nm, >40 mW) |
| Optional Accessories | Notch Filter, Sample Holders for Solids & Liquids, Polarizer/Analyzer Set, Calibration Standards (e.g., Silicon, Cyclohexane) |
| Brand | TP |
|---|---|
| Model | WSZ-4A |
| Origin | Tianjin, China |
| Manufacturer | TP Instrument Co., Ltd. |
| Optical Rail Length | 1000 mm (aluminum alloy, V-groove 70°, width 80 mm, precision scale ±1 mm) |
| Rotation Stage Resolution | 0.2° (manual X-axis angular adjustment) |
| Laser Source | 650 nm semiconductor diode, nominal output 5 mW |
| Power Meter | Digital display, zero-adjustable, continuously variable gain, analog signal input |
| Polarizers & Waveplates | Mounted in precision metal frames (linear polarizer, λ/2 and λ/4 plates, Ø36 mm lens) |
| Sample Holders | Optical bench-mounted glass slide stage, Brewster angle observation window with ground-glass screen |
| Compliance | Designed for educational and metrological alignment per ISO 10110-7 (polarization optics), supports ASTM E2896 (optical training systems) and GLP-aligned lab documentation workflows |
| Brand | Topo / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Region | Domestic (China) |
| Model | TP-SCT-2 |
| Pricing | Available Upon Request |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer | Yes |
| Country of Origin | China |
| Model | TP730 |
| Price | USD 22,500 (FOB Tianjin) |
| Wavelength Range | 190–3200 nm |
| Photometric Accuracy | ±0.3%T |
| Wavelength Accuracy | ±0.5 nm (UV/VIS), ±8 nm (NIR) |
| Baseline Flatness | ±0.005 A (200–2500 nm, after 30-min warm-up) |
| Spectral Bandwidth | 0.2–10 nm adjustable |
| Stray Light | ≤0.2%T at 220 nm |
| Photometric Range | 0–2.5 A |
| Sampling Intervals | 0.1, 0.2, 0.5, 1, 1.5, 2, 5, 10 nm |
| Dimensions | 830 × 600 × 260 mm |
| Brand | Topo |
|---|---|
| Model | WSY-4 |
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Category | Domestic Optical Teaching Instrument |
| Components | Optical Rail, 2D Adjustable Mounts, Photographic Plate Holder, White Viewing Screen, Multi-Aperture Mount, Single-Slit Adjuster (One-Side Variable), He–Ne Laser (632.8 nm), Convex Lens, Straight Edge Knife Blade |
| Power Integration | Integrated AC Power Supply Unit with Rail-Mounted Enclosure |
| Design | All-in-One Modular Bench System with Tool Storage Compartment |
| Brand | Top Instrument |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HF-2D |
| Instrument Type | Manual Pellet Press |
| Maximum Pressure Capacity | 15 t |
| Die Cavity Diameter | Φ20 mm |
| Ejection Mechanism | Integrated Manual Demolding System |
| Pricing | USD 198 (FOB Tianjin) |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | RD-2 |
| Pricing | Upon Request |
| Control Mode | Intelligent Manual Operation |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | OM01-I30 |
| Pricing | Available Upon Request |
| Brand | TOP / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GY-8 |
| Pricing | Available Upon Request |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | OM01-HA15 |
| Pricing | Available Upon Request |
| Adjustment Range | ±4.5° (Single-Axis) |
| Weight | 0.1 kg |
| Mounting Holes | 2×M6 + 4×M4 |
| Structural Design | Enclosed Housing with Retaining Ring & Quadruple Return Springs |
| Brand | TOP / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Classification | Domestic (China) |
| Model | GY-10 |
| Pricing | Upon Request |
| Brand | TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | GY-9 |
| Pricing | Upon Request |
| Brand | Topo |
|---|---|
| Model | FTIR920N |
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (PRC) |
| Pricing | Available Upon Request |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GY-5 |
| Pricing | Available Upon Request |
| Brand | Topo/TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | XGL-2A |
| Pricing | Upon Request |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Instrument Type | Laboratory FTIR Spectrometer |
| Wavenumber Range | 7800–375 cm⁻¹ |
| Spectral Resolution | 1 cm⁻¹ |
| Scan Speed | Microprocessor-Controlled, 6 Adjustable Speed Settings |
| Signal-to-Noise Ratio (S/N) | 15,000:1 (at 4 cm⁻¹, 1 min scan, peak-to-peak) |
| Wavenumber Accuracy | ±0.01 cm⁻¹ |
| Beam Splitter | 60 mm Ge-coated KBr with Hydrophobic Coating |
| Optics | Fully Gold-Coated Mirrors |
| Interferometer | Rocking-Mirror Interferometer (Space-Derived Design) |
| Environmental Protection | Integrated Heated Desiccant Chamber with Visual Indicator & Dual-Seal Enclosure |
| Purge Interface | Standard N₂ Purge Port |
| Software Compliance | FDA 21 CFR Part 11, GLP/GMP Audit Trail, Electronic Signatures, Role-Based Access Control |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | XGL-6 |
| Pricing | Available Upon Request |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | GY-1 |
| Pricing | Upon Request |
| Key | Output Power ≥ 40 mW |
|---|---|
| Mode | Multimode |
| Operating Voltage | 3.5–4 kV |
| Operating Current | 15 mA |
| Wavelength | 632.8 nm |
| Origin | Tianjin, China |
| Manufacturer Type | Distributor |
| Domestic Product | Yes |
| Pricing | Upon Request |
| Brand | Top Optics (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | WSY-2 |
| Pricing | Available Upon Request |
| Core Components | Optical Rail, 2D Adjustable Mounts, Photographic Plate Holder, White Screen, Single-Sided Adjustable Slit, Low-Pressure Sodium Lamp, Fresnel Biprism, Newton’s Rings Set, Convex Lenses, Measuring Microscope, Double-Slit Assembly |
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