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| Brand | Top PNP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Region Classification | Domestic (China) |
| Model | TP-PNB-1 |
| Pricing | Available Upon Request |
| 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 / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WGX Series |
| Pricing | Available Upon Request |
| Brand | Topo |
|---|---|
| Model | WSZ-2A |
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Scientific Instrumentation |
| Light Source | He–Ne Laser (632.8 nm) |
| Structural Design | Precision Optical Rail Mounting System |
| Control Interface | PC-Based Acquisition & Analysis Software (Chinese GUI) |
| Included Components | Main Unit, Movable Detector Unit, Single Adjustable Slit, Laser Module |
| Brand | Topo/TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | TP-WPD-1 |
| Pricing | Available Upon Request |
| Brand | TOP / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Region | Domestic (China) |
| Model | WSZ-5A |
| Pricing | Upon Request |
| Spectral Range | 360–650 nm |
| HV Control | Digital Adjustable |
| Integration Time | Digitally Adjustable |
| Maximum Count Rate | 1×10⁷ counts per second |
| Discrimination Threshold | Digitally Adjustable |
| Dark Count Rate | ≤30 CPS at −20°C |
| Detector | CR110 Photomultiplier Tube (PMT) |
| Cooling | Integrated Water-Circulated Thermoelectric Cooler (No External Water Supply Required) |
| Interface | USB 2.0 |
| Brand | Topo / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | TP-PCM-1 |
| Pricing | Upon Request |
| Brand | Topo |
|---|---|
| Model | WJS-1 |
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Imaging Sensor | CCD |
| Light Source | He-Ne Laser (632.8 nm) |
| Core Function | Qualitative and quantitative analysis of laser speckle formation and in-plane displacement measurement via digital speckle correlation |
| Included Components | CCD camera, He-Ne laser module, image acquisition card, proprietary speckle analysis software, precision optical mounts & alignment rods, optical components (beam splitters, mirrors, lenses, diffusers) |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Region Classification | Domestic (China) |
| Model | TP-SCT-1 |
| Pricing | Available Upon Request |
| Brand | TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | XGS-6 |
| Pricing | Available Upon Request |
| Light Source | 40 mW Semiconductor Laser |
| Recording Medium | Photopolymer Holographic Dry Plate |
| Exposure Control | Digital Electronic Timer (Manual/Programmable Modes) |
| Development | Isopropyl Alcohol Rinse + Air-Drying |
| Reconstruction Light | White Light (for Reflection Rainbow Holograms) |
| Operating Environment | Ambient Illumination (No Darkroom Required) |
| Portability | Compact, Benchtop Design |
| Illuminance Meter | Integrated Pocket-Sized Photometer (Wide Range, High Accuracy) |
| Brand | Topo |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | XGS-1 |
| Pricing | Upon Request |
| Brand | Topo / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | OCS-1 |
| Pricing | Upon Request |
| Brand | Topo |
|---|---|
| Model | WGS-1 |
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Laser Source | He–Ne, 1.5 mW |
| Optical Baseplate | 500 mm × 350 mm aluminum |
| Experimental Modules | Mach–Zehnder, Sagnac, and Michelson interferometry |
| Educational Application | Undergraduate optics & physics laboratory instruction |
| Compliance | Designed for ISO/IEC 17025-aligned teaching labs |
| Software Integration | Manual alignment only |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Brand | Topo |
|---|---|
| Model | WSG-1 |
| Origin | Tianjin, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic Scientific Instrumentation |
| Pricing | Available Upon Request |
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