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| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GL28 |
| Price Range | USD 0.15–75.00 |
| Component Category | Optical Element |
| Diameter Options | 1.0–10.0 mm |
| Effective Focal Length (EFL) | 0.79–7.95 mm |
| Back Focal Length (BFL) | 0.29–2.95 mm |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GL31 |
| Price Range | USD 0.15–75.00 |
| Component Category | Optical Element |
| Wavelength Range | 400–700 nm (AR-coated) |
| Available Diameters | 3.0–5.0 mm |
| Focal Lengths (EFL) | 4.0–10.0 mm |
| Back Focal Lengths (BFL) | 2.5–7.9 mm |
| Center Thickness (T₁) | 2.9–4.5 mm |
| Edge Thickness (T₂) | 2.32–3.7 mm |
| Substrate Materials | H-ZBAF52/H-ZF7LA, BaK2/SF15, N-BAF10/N-SF6HT, N-BAK4/SF5 |
| Compatible Mounting Rings | e.g., PN35037-LM040-D (for 4 mm variants) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | GL32 |
| Price Range | USD 0.15–75.00 |
| Component Category | Optical Element |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | GL33 |
| Price Range | USD 1–499 |
| Component Category | Optical Element |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GL51 |
| Price Range | USD 0.15–75.00 (varies by specification) |
| Component Category | Optical Element |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GL52 |
| Price Range | USD 70–140 (per unit) |
| Component Category | Optical Element |
| Diameter Tolerance | +0.0 / −0.1 mm |
|---|---|
| Center Thickness Tolerance | ±0.1 mm |
| EFL Tolerance | ±1% |
| Surface Quality | < 3/2 (per MIL-PRF-13830B) |
| Edge Chamfer | 0.2 mm × 45° |
| Material | Single-Crystal CaF₂ |
| Design Wavelength | 587.6 nm |
| Coating Options | Uncoated or Broadband AR (Rₐᵥg < 1.5% @ 3–5 µm) |
| Diameter | +0.0 / −0.1 mm |
|---|---|
| Center Thickness Tolerance | ±0.1 mm |
| EFL Tolerance | ±1% |
| Surface Quality | < 3/2 (Scratch/Dig) |
| Edge Chamfer | 0.2 mm × 45° |
| Material | Single-Crystal CaF₂ |
| Design Wavelength | 587.6 nm |
| Coating Options | Uncoated or Broadband AR (Rₐᵥg < 1.5% @ 3–5 µm) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | GL55 |
| Price Range | USD 72–143 |
| Component Category | Optical Element |
| Material | Single-Crystal Calcium Fluoride (CaF₂) |
| Design Wavelength | 4 μm |
| Diameter Tolerance | +0.0 / −0.1 mm |
| Center Thickness Tolerance | ±0.1 mm |
| EFL Tolerance | ±1% |
| Surface Quality | < 3 Scratch-Dig |
| Edge Bevel | 0.2 mm × 45° |
| Coating Options | Uncoated or Broadband AR (Rₐᵥg < 1.5% @ 3–5 μm) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (PRC) |
| Model | GL71 |
| Price Range | USD 70 – 140 |
| Component Category | Optical Element |
| Coating Specification | IR2 Broadband AR Coating, Rₐᵥg < 1.5% @ 8–12 µm |
| Substrate Material | CVD-Grown Zinc Selenide (ZnSe) |
| Surface Quality | 60–40 Scratch-Dig |
| Surface Flatness (Plano Side) | λ/4 @ 632.8 nm |
| Centering Tolerance | < 3 arcmin |
| Clear Aperture | ≥ 90% of Diameter |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (PRC) |
| Model | GL72 |
| Price Range | USD 70–140 |
| Component Category | Optical Element |
| Material | Zinc Selenide (ZnSe) |
| Coating Option | IR2 Broadband AR Coating (Rₐᵥg < 1.5% @ 8–12 µm) |
| Design | Precision-Polished Biconvex Geometry |
| Compliance | ISO 10110-1, ISO 10110-7, MIL-PRF-13830B Scratch-Dig |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | GL73 |
| Price Range | USD 140–420 (est.) |
| Component Category | Optical Element |
| Substrate | CVD Grade ZnSe |
| Design Wavelength | 10.6 µm |
| Diameter Tolerance | +0.0 / −0.1 mm |
| Center Thickness Tolerance | ±0.1 mm |
| EFL Tolerance | ±1% |
| Centration Error | < 3 arcmin |
| Surface Quality | 3–4 scratch-dig |
| Edge Treatment | 0.2 mm × 45° chamfer |
| Coating Options | Uncoated or Broadband AR (Rₐᵥg < 1.5% @ 8–12 µm) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GL75P |
| Price Range | USD 70–140 |
| Component Category | Optical Element |
| Focal Length | 51 mm |
| Diameter | 1.556 mm |
| Coating Options | Uncoated or IR Broadband AR (Rₐᵥg < 1.5% @ 8–12 µm) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GL81 |
| Price Range | USD 70–140 |
| Component Category | Optical Element |
| Material | Czochralski-Grown Silicon (Si) |
| Coating Option | Broadband AR Coating for 3–5 µm (IR1) |
| Surface Quality | 40–20 Scratch-Dig |
| Surface Flatness (Plano Side) | λ/4 @ 633 nm |
| Center Thickness Tolerance | ±0.1 mm |
| Diameter Tolerance | ±0.1 mm |
| Focal Length Tolerance | ±1% |
| Clear Aperture | ≥90% of Diameter |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (PRC) |
| Model | GL91 |
| Price Range | USD 70–140 (per unit, FOB Beijing) |
| Component Category | Optical Element |
| Substrate Material | Germanium (Ge) |
| Coating Specification | IR2 Broadband AR Coating, Rₐᵥg < 1.5% @ 8–12 µm |
| Mounting Compatibility | Standard SM-threaded lens mounts (e.g., PN35030-LM127-S for Ø12.7 mm |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | GL92 |
| Price Range | USD 70–140 |
| Component Category | Optical Element |
| Diameter | 25.0 mm / 50.0 mm |
| EFL | 25–100 mm |
| BFL | 23.3–96.5 mm |
| R₁ | 28.3–107.0 mm |
| R₂ | 42.5–160.5 mm |
| Center Thickness T₁ | 2.5–5.0 mm |
| Edge Thickness T₂ | 1.3–3.8 mm |
| Coating | Dual-Side IR AR (IR2), Rₐᵥg < 1.5% @ 8–12 µm |
| Key | Origin: Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model Range | OPGT/OPGL/OPGM/OPWT Series (25.4 mm OD, 10 mm clear aperture) |
| Price | Upon Request |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GPCG2 |
| Pricing | Upon Request |
| Origin | Hunan, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China-made) |
| Model | PCY-DL-100 |
| Pricing | Upon Request |
| Test Temperature Range | Up to 80 °C (extendable to 200 °C with alternative heat transfer medium) |
| Heating Method | Electromagnetic heating (2 kW) |
| Stirring | Adjustable-speed electromagnetic stirring |
| Sample Capacity | Dual-sample simultaneous testing |
| Standards Compliance | GB 12007.6–1989, ISO 4625:1980, ASTM D36 / E28, IP 58, DIN 52011, NF T 66-008, EN 1427 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | GR-420 |
| Price | USD 3,050 (FOB Jiangsu) |
| Chamber Volume | 550 L |
| Temperature Range | RT + 5 °C to 250 °C |
| Temperature Uniformity | ±1 °C |
| Rated Power | 3000 W |
| Internal Dimensions (W×D×H) | 650 × 600 × 1400 mm |
| Timer Range | 1–9999 min |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GB12 |
| Pricing | Available Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (PRC) |
| Model | GLRM |
| Price Range | USD 0.15–75.00 (per unit, depending on size/thickness) |
| Component Category | Optical Element |
| Incident Angle | 0° |
| Coating Type | All-Dielectric Multilayer Stack |
| Spectral Function | High Transmission in Visible (400–700 nm), High Reflection in Near-Infrared (750–1200 nm) |
| [Origin | Shandong, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | SGD-IV |
| Pricing | Upon Request |
| Power Supply | 220 V, 50 Hz |
| Dimensions (L×W×H) | 418 × 314 × 212 mm |
| Weight | 22.5 kg |
| Detection Sensitivity | 0.01 % Reducing Sugar (RG) |
| Linear Range | 0–1.0 % RG |
| Analysis Cycle Time | < 3 minutes] |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Regional Origin | Domestic (China) |
| Model | GLWPE |
| Price Range | USD 0.15–75.00 (per unit, volume-dependent) |
| Component Category | Optical Element |
| Available Diameters | 12.5 mm, 25 mm, 50 mm |
| Transmission Band | λ₀ + 20 nm to 2000 nm |
| Blocking Band | UV–λ₀ − 15 nm (typ.) |
| Center Wavelength Options | 400–1500 nm (in 50 nm increments) |
| Substrate Material | Optical-grade fused silica or BK7 (standard) |
| Surface Quality | 60-40 scratch-dig |
| Parallelism | < 3 arcmin |
| Thickness Tolerance | ±0.1 mm |
| Coating Type | Hard-dielectric multilayer interference coating |
| Operating Temperature | −20 °C to +70 °C |
| Damage Threshold | > 500 mW/cm² (CW, 532 nm), > 0.5 J/cm² (10 ns, 1064 nm) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GLWPH |
| Price Range | USD 70–140 (per unit, depending on diameter and CWL) |
| Component Category | Optical Element |
| Available Diameters | Φ12.5 mm, Φ25 mm, Φ50 mm |
| Cut-on Wavelengths (CWL) | 400–1100 nm (in 25 nm increments) |
| Transmission Band | CWL +15 nm to 2000 nm |
| Blocking Range | 200–(CWL −15) nm |
| Optical Density (OD) in Blocking Region | ≥4.0 (typical) |
| Substrate | Fused Silica (UV-grade) |
| Surface Quality | 60-40 scratch-dig |
| Parallelism | <3 arcmin |
| Thickness | 3.0 ±0.2 mm (standard) |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic (China) |
| Model | GM-0.20 |
| Quotation | Upon Request |
| Pumping Speed | 15 L/min |
| Maximum Operating Temperature | <55 °C |
| Ultimate Vacuum Pressure | 250 mbar (≈30 psi gauge positive, 0.075 MPa) |
| Noise Level | <50 dB(A) |
| Inlet Port Diameter | φ6 mm |
| Dimensions (L×W×H) | 195 × 98 × 156 mm |
| Motor Power | 75 W |
| Net Weight | 4 kg |
| Ambient Operating Temperature Range | 7–40 °C |
| Diaphragm Material | Nylon |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | GM-0.33A |
| Quotation | Upon Request |
| Pumping Speed | 20 L/min |
| Operating Temperature (Pump Body) | <60 °C |
| Ultimate Vacuum Pressure | ≤0.08 MPa (200 mbar abs.) |
| Noise Level | <55 dB(A) |
| Inlet Port Diameter | φ6 mm |
| Dimensions (L×W×H) | 235×120×215 mm |
| Motor Power | 160 W |
| Net Weight | 7.5 kg |
| Ambient Operating Temperature | 7–40 °C |
| Configuration | Negative-Pressure (Suction-Only) Type |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | GM-0.33B |
| Quotation | Upon Request |
| Pumping Speed | 20 L/min |
| Operating Temperature (Pump Body) | <55 °C |
| Ultimate Vacuum Pressure | ≤50 mbar (≥0.095 MPa absolute) |
| Noise Level | <50 dB(A) |
| Inlet/Outlet Port Diameter | φ6 mm |
| Dimensions (L×W×H) | 300×120×235 mm |
| Motor Power | 160 W |
| Net Weight | 10 kg |
| Ambient Operating Temperature | 7–40 °C |
| Configuration | Dual-head negative-pressure diaphragm pump |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GM-0.50 |
| Instrument Type | Circulating Water-Free Vacuum Pump |
| Product Type | Oil-Free Diaphragm Pump |
| Flow Rate | 30 L/min |
| Ultimate Vacuum Pressure | ≤ −0.08 MPa (≤ −80 kPa) |
| Positive Pressure Output | ≥ 0.03 MPa (≥ 30 psi) |
| Noise Level | < 55 dB(A) |
| Inlet/Outlet Port Diameter | Ø6 mm |
| Dimensions (W×D×H) | 215 × 165 × 270 mm |
| Motor Power | 120 W, Single-Phase |
| Operating Temperature Range | 7–40 °C |
| Weight | 8 kg |
| Cooling | Integrated Self-Cooling Exhaust System |
| Membrane Material | Fluoroelastomer (FKM) |
| Bearing | Imported High-Precision Ball Bearings |
| Compliance | CE-marked design principles |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GM-0.5A |
| Pricing | Available Upon Request |
| Pumping Speed | 30 L/min |
| Operating Temperature Range | 7–40 °C |
| Diaphragm Housing Surface Temperature | <60 °C |
| Ultimate Vacuum Pressure | 200 mbar (abs) |
| Maximum Positive Pressure | 0.08 MPa (g) / 40 psi (g) |
| Noise Level | <55 dB(A) |
| Inlet/Outlet Port Diameter | φ6 mm |
| Dimensions (L×W×H) | 210 × 160 × 235 mm |
| Motor Power | 160 W |
| Net Weight | 8 kg |
| Dual-Mode Operation | Simultaneous Vacuum & Positive Pressure Capability |