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| 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 | 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 | 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 |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Steady-State Fluorescence Spectrometer |
| Wavelength Range | Typically 200–900 nm (Xenon Lamp Source) |
| Excitation/Emission Monochromators | Czerny-Turner with Holographic Grating |
| Slit Width (Spectral Bandpass) | 1–20 nm |
| Optical Resolution | ≤1 nm (FWHM at 546.1 nm) |
| Wavelength Accuracy | ±1 nm |
| Sensitivity | >300 P-P, >1200 RMS, >15,000 RMS (Background-Subtracted) |
| Light Source | 150 W Pulsed or Continuous Xenon Arc Lamp |
| Detector | R928P Photomultiplier Tube (PMT) |
| Data Acquisition Modes | Emission Scan, Excitation Scan, Synchronous Scan, Time-Based Intensity Monitoring, 3D Excitation-Emission Matrix (EEM) |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | LIBS1 |
| Instrument Type | Benchtop |
| Integration Level | Fully Integrated |
| Laser Pulse Energy | >500 µJ |
| Pricing | Available Upon Request |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Model | WDS-3 |
| Price | Upon Request |
| Focal Length | 300 mm |
| Wavelength Range | 200–800 nm |
| Relative Aperture | D/F = 1/7 |
| Grating Density | 600 or 1200 lines/mm |
| Stray Light | ≤0.3% T |
| Wavelength Accuracy | ±0.4 nm |
| Slit Width Adjustment | 0–2 mm (continuous), 0.01 mm/division, max 20 mm |
| Spectral Bandwidth (FWHM) | ≤0.2 nm at 589 nm (slit height 3 mm, width 0.2 mm) |
| Detector | Photomultiplier Tube (PMT) |
| Interface | USB |
| Brand | TuoPu (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Spectral Range | 7800–375 cm⁻¹ |
| Spectral Resolution | 1.0 cm⁻¹ |
| Signal-to-Noise Ratio (S/N) | 15,000:1 |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Laboratory FTIR |
| Wavenumber Range | 7800–350 cm⁻¹ |
| Resolution | <1.0 cm⁻¹ |
| Scan Speed | Up to 1 scan per 2 seconds (microprocessor-controlled) |
| Signal-to-Noise Ratio | 30,000:1 (at 4 cm⁻¹, 1 min scan, MCT detector not included) |
| Wavenumber Accuracy | ±0.01 cm⁻¹ |
| Brand | Topo |
|---|---|
| Model | LR-3 |
| Type | Grating-Based Raman Spectrometer |
| Spectral Range | 200–800 nm |
| Spectral Resolution | ≤0.4 nm |
| Wavelength Accuracy | ≤0.4 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Excitation Source | 532 nm Semiconductor Laser |
| Laser Power | ≥50 mW |
| Slit Mechanism | Motorized Auto-Adjustable (Precision: 0.01 mm) |
| Monochromator | f/5.5, 1200 lines/mm Grating |
| Detection | Photon-Counting PMT with Discriminator Circuitry |
| Sample Stages | 5-Axis Adjustable, Backscattering, Liquid Cuvette, Solid, Capillary, and Polarization-Compatible Mounts |
| Software Compatibility | Windows XP / 2000 / Vista |
| Origin | Tianjin, China |
| Manufacturer | Topo Instrument Co., Ltd. |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | TP760 |
| Spectral Range | 280–2500 nm |
| Slit Bandwidth | UV-Vis: 2.0 / 3.0 / 5.0 nm (selectable) |
| NIR | 5.0–20.0 nm (auto/manual) |
| Wavelength Accuracy | ±0.5 nm (UV/VIS), ±2.0 nm (NIR) |
| Wavelength Repeatability | ≤0.3 nm (UV/VIS), ≤1.0 nm (NIR) |
| Photometric Accuracy | ±0.3% T |
| Baseline Flatness | ±0.005 A (200–2500 nm, after 30-min warm-up) |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | WSD-1A |
| Application System | General-purpose |
| Grating Mount | Yes |
| Dispersion Element | Diffraction Grating |
| Wavelength Range | 380–780 nm |
| Wavelength Accuracy | ±0.4 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Grating Density | 1200 lines/mm |
| Focal Length | f = 300 mm |
| Relative Aperture | D/F = 1/7 |
| Transmittance Accuracy | ±1% T |
| Noise Level | ±0.5% T |
| Slit Width Adjustment | 0–2.5 mm (continuously variable, resolution 0.01 mm per division) |
| Standard Observer | CIE 10° Standard Observer |
| Chromaticity Coordinate Resolution | x, y ±0.001 |
| Chromaticity Measurement Accuracy | Δx ±0.02, Δy ±0.03 |
| Light Source | 12 V / 20 W Tungsten-Halogen Lamp |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TP-760A |
| Price Range | USD 21,000–28,000 (FOB) |
| Spectral Range | 280–2500 nm |
| Spectral Bandwidth | UV/VIS: 0.1, 0.2, 0.5, 1.0, 2.0, 3.0, 5.0 nm (selectable) |
| NIR | 0.4–16.0 nm (auto/manual) |
| Wavelength Accuracy | ±0.5 nm (UV/VIS) |
| Wavelength Repeatability | ≤0.3 nm (UV/VIS) |
| Photometric Accuracy | ±0.3% T |
| Baseline Flatness | ±0.008 A (280–2500 nm, after 30-min warm-up) |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop NIR Spectrometer |
| Optical Design | Grating Scanning |
| Wavelength Range | 800–2500 nm |
| Spectral Resolution Options | 0.1–2.0 nm (adjustable scan speed) |
| Scan Speed | Up to 1 scan/s (at 2.0 nm step) |
| Data Acquisition Interval | 1 Hz |
| Measurement Modes | Transmission & Reflectance |
| Detector | PbS (Lead Sulfide) |
| Light Source | Tungsten-Halogen Lamp |
| Grating Density | 300 lines/mm |
| Wavelength Accuracy | ±1.5 nm |
| Wavelength Repeatability | ±1 nm |
| Stray Light | ≤1% T at 1690 nm |
| Spectral Bandwidth Settings | Wide / Normal / Narrow / Very Narrow |
| Scan Modes | Continuous, Repeat, Time-Based |
| X/Y Axis Scaling | Fully Adjustable |
| Dimensions (W×D×H) | 710 × 560 × 240 mm |
| Weight | 45 kg |
| Chemometrics Software | RIMP (Near-Infrared Modeling Platform) |
| Compliance | Designed for GLP-compliant lab environments |
| Brand | Topo/TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | WDS-8A |
| Application Systems | Transmission & Reflectance Spectroscopy |
| Grating Mount | Dual-grating turret (exchangeable gratings) |
| Spectral Resolution | ≤0.06 nm (measured at Na I 330.23/330.29 nm doublet) |
| Groove Density | 2400 grooves/mm |
| Wavelength Range | 200–660 nm (PMT detection) |
| F-number | F/7 |
| Wavelength Accuracy | ±0.2 nm (200–660 nm) |
| Wavelength Repeatability | ≤0.1 nm |
| Stray Light | ≤0.1% T |
| Slit Width Adjustment | 0–2 mm, continuously variable |
| Focal Length | 500 mm |
| Relative Aperture | D/F = 1/7 |
| Interface | USB 2.0 |
| Dimensions (L×W×H) | 530 × 330 × 220 mm |
| Weight | 28 kg |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TP-DSA1 |
| Pricing | Upon Request |
| Application System | Universal |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Region Classification | Domestic (China) |
| Model | TP720 |
| Price Range | USD 21,000 – 35,000 (FOB Tianjin) |
| Spectral Range | 190–3200 nm |
| Spectral Bandwidth (UV/VIS) | 0.1, 0.2, 0.5, 1.0, 2.0, 3.0, 5.0 nm (selectable) |
| Spectral Bandwidth (NIR) | 0.4–16.0 nm (auto/manual) |
| Wavelength Accuracy | ±0.5 nm (UV/VIS) |
| Wavelength Repeatability | ≤0.3 nm (UV/VIS) |
| Photometric Accuracy | ±0.3% T |
| Baseline Flatness | ±0.005 A (200–2500 nm, after 30-min warm-up) |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Architecture | Dual-Beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–900 nm |
| Spectral Bandwidth | 0.15 / 0.3 / 0.5 / 1.0 / 2.0 nm (5 selectable) |
| Wavelength Accuracy | ≤ ±0.3 nm |
| Stray Light | ≤ 0.2%T (at 220 nm, NaI solution) |
| Wavelength Repeatability | ≤ 0.1 nm |
| Photometric Accuracy | ±0.3%T (0.0–100.0%T) |
| Scan Modes | Continuous, Overlap, Time-based |
| Measurement Modes | Transmittance (%T), Absorbance (A), Energy (Single-Beam Reference) |
| Brand | Topo/TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | TJ270-30A |
| Price Range | USD 1,400–7,000 |
| Instrument Type | Dispersive |
| Configuration | Laboratory Benchtop |
| Wavenumber Range | 4000–400 cm⁻¹ |
| Spectral Resolution | 1.5 cm⁻¹ |
| Scan Speed | Five Adjustable Settings |
| Signal-to-Noise Ratio | 15,000:1 |
| Brand | Topo |
|---|---|
| Model | DS-100 |
| Wavelength Range | 200–800 nm |
| Focal Length | 300 mm or 500 mm |
| Relative Aperture | D/F = 1/7 |
| Wavelength Accuracy | ±0.4 nm |
| Wavelength Repeatability | ±0.2 nm |
| Scanning Method | Manual Drive with Digital Wavelength Display |
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Brand | Topo |
|---|---|
| Model | FTIR 931 |
| Type | Portable FTIR Spectrometer |
| Wavenumber Range | 7800–375 cm⁻¹ |
| Resolution | ≤1 cm⁻¹ (down to 0.5 cm⁻¹) |
| Signal-to-Noise Ratio (S/N) | ≥15,000:1 (at 4 cm⁻¹, 1 min scan) |
| Scan Speed | Microprocessor-controlled, 6 selectable speeds |
| Beam Diameter | 30 mm |
| Sample Beam Spot | 5 mm Ø |
| Beamsplitter | Multi-layer coated KBr |
| Detector | Imported low-noise DLATGS |
| Source | Imported long-life, high-intensity air-cooled ceramic IR source |
| Interferometer | Laser-controlled automatic alignment and frequency calibration (He–Ne reference laser) |
| Wavenumber Accuracy | ±0.01 cm⁻¹ |
| Linearity | ≤0.1% T |
| Aperture Ratio | f/3.2 |
| Data Interface | USB 2.0 |
| Dimensions (W×D×H) | 490 × 390 × 200 mm |
| Weight | 18 kg |
| Power Supply | 90–230 V AC / 12 V DC, 40 W |
| Operating Temperature | 15–28 °C |
| Relative Humidity | <65% RH (non-condensing) |
| Compliance | CE, RoHS, ISO/IEC 17025 compatible operation environment |
| Software | Windows 32-bit compatible (Win 98/2000/XP/Vista), FDA 21 CFR Part 11–ready audit trail & user access control modules included |
| Brand | Topo |
|---|---|
| Model | WDS-4 |
| Focal Length | 300 mm |
| Relative Aperture | D/F = 1/7 |
| Stray Light Level | ≤0.3% T |
| Spectral Resolution | Resolves seven polystyrene transmission peaks at 3000 nm |
| Detector Options | TGS pyroelectric detector, PbS photoconductive detector, HgCdTe (MCT) photovoltaic detector |
| Interface | USB |
| Dimensions | 370 × 280 × 200 mm |
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop FTIR |
| Spectral Range | 7800–375 cm⁻¹ |
| Resolution | ≤1 cm⁻¹ (0.5 cm⁻¹ optional) |
| Scan Speed | Microprocessor-Controlled, 6 Adjustable Speeds |
| Signal-to-Noise Ratio | 30,000:1 (RMS, 2100 cm⁻¹, 4 cm⁻¹ resolution, DLATGS detector, 1-min acquisition) |
| Beam Diameter | 30 mm |
| Sample Aperture | 5 mm Ø |
| Interferometer | Self-Compensating Michelson with Active Alignment |
| Detector | Imported Low-Noise DLATGS |
| Source | Imported Long-Life Air-Cooled Ceramic IR Source |
| Beamsplitter | Multi-Layer KBr |
| Wavenumber Accuracy | ±0.01 cm⁻¹ |
| Linearity | ≤0.1% T |
| Data Interface | USB 2.0 |
| Dimensions (W×D×H) | 555 × 445 × 118 mm |
| Weight | 22 kg |
| Power | AC 90–230 V, 40 W |
| Operating Environment | 15–28 °C, <65% RH |
| Software Platform | Windows 98/2000/XP/Vista (32-bit) |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DS-100 Compact |
| Application Systems | Transmission & Reflection Spectroscopy |
| Grating Mount | Rotatable Grating Stage |
| Spectral Resolution | ≤0.12 nm |
| Groove Density | 1200 grooves/mm |
| Wavelength Range | 200–800 nm |
| F-number | F/5 |
| Wavelength Accuracy | ±1 nm |
| Stray Light | ≤0.3% T |
| Slit Widths | Fixed at 0.15 mm and 0.3 mm |
| Wavelength Repeatability | ±0.5 nm |
| Dimensions | 120 × 90 × 65 mm |
| Weight | 0.8 kg |
| Brand | Topo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Model | WDS-5 |
| Focal Length | 500 mm |
| Wavelength Range | 200–800 nm |
| Relative Aperture | D/F = 1/7 |
| Grating Density | 1200 lines/mm (optional) |
| Wavelength Accuracy | ±0.4 nm |
| Wavelength Repeatability | ±0.2 nm |
| Spectral Resolution | <0.1 nm |
| Stray Light | ≤0.1% T |
| Slit Width Adjustment | 0–2 mm (continuous, vernier scale with 0.01 mm/division) |
| Slit Height | up to 20 mm |
| Interface | USB 2.0 |
| Dimensions (L×W×H) | 530 × 330 × 220 mm |
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