Optical Measurement Instruments
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| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Lens Type | Cylindrical Gradient-Index (GRIN) Lens |
| Numerical Aperture Options | NA ≈ 0.5 (Ag⁺-exchanged glass, λ₀.₅ = 370 nm) or NA ≤ 0.2 (Li⁺-exchanged glass, λ₀.₅ = 235 nm) |
| Material | Specialty ion-exchanged optical glass |
| Geometry | Cylindrical or square-columnar |
| Mounting | Standardized mechanical housing compatible with SM1/SM2 lens tubes and kinematic mounts |
| Compliance | ISO 10110 optical surface specifications, RoHS-compliant glass composition |
| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Type | Imported Optical Component |
| Model | GRIN Cylindrical Objective Lens |
| Design Wavelength | 570 nm |
| Numerical Aperture (NA) | 0.5 |
| Material | Biocompatible Silver-Based Glass |
| Surface | Planar, Low Chromatic Aberration |
| Coating Options | NC (Uncoated), C1 (Dual-Side Visible-Antireflection, R < 0.5% @ 0–30° incidence, specified wavelength range) |
| Compliance | EN ISO 10993-1 (Biological Safety — Toxicology Evaluation) |
| Integration | Compatible with GRIN relay lenses via optical-contact bonding |
| Customization | Available for non-standard working distance, lens length, and design wavelength |
| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Product Type | Imported Optical Imaging Probe |
| Model | Custom GRIN Lens Probe for In Vivo Confocal and OCT Integration |
| Core Components | Solid-State Laser Source, GRIN Lens Assembly, Miniaturized Scanning Optics, Fiber-Coupled Detection Path |
| Diameter Options | 0.5 mm, 1.0 mm, 1.8 mm, 2.0 mm |
| Optical Customization | Prism-integrated beam steering, fiber/fiber bundle coupling, AR-coating (custom V-coat or broadband), dichroic/polarizing/non-polarizing beamsplitters, stainless-steel hypodermic tube housing |
| Compliance | Designed for ISO 13485-aligned biomedical research environments |
| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | GRIN Needle Microscope |
| Core Component | Solid-State Laser System |
| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Model | GT-M0-080-018-488 / GT-M0-080-0415-488 |
| Numerical Aperture (Object-side) | 0.82 |
| Working Distance (in water) | 80 µm |
| Numerical Aperture (Image-side) | 0.18 / 0.415 |
| Magnification | 4.65× / 1.92× |
| Design Wavelength | 488 nm |
| Housing | Stainless Steel Mount |
| Compliance | ISO 10110 optical surface standards, RoHS-compliant materials |
| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Model | GT-M0-080-018-810 / GT-M0-080-0415-810 |
| Numerical Aperture (Object-side) | 0.8 |
| Working Distance (in water) | 200 µm |
| Image-side NA | 0.18 / 0.415 |
| Magnification | 4.8× / 1.92× |
| Recommended Excitation Wavelength | 800–900 nm |
| Housing | Stainless Steel Mount |
| Optical Design | Hybrid GRIN + Plano-Convex with Aberration Compensation |
| Brand | GRINTECH |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Miniature Laser Line Generator |
| Core Component | Solid-State Laser Module (Single-Mode Laser Diode + GRIN Micro-Optic Line Forming Element) |
| Laser Wavelength | 660 nm |
| Output Power | 50 mW |
| Beam Profile | Diffraction-Limited Focused Line |
| Line Uniformity | ±8% |
| Line Width (FWHM) | 0.6 µm/mm vs. Working Distance |
| Fan Angle Options | ±10°, ±15°, ±20° |
| Focus Range | 80 mm to ∞ |
| Optical Efficiency | 90–95% |
| Deviation Angle | ≤2° |
| Operating Temperature | 0–50 °C |
| Storage Temperature | −20–+70 °C |
| Laser Safety Class | 3B |
| Dimensions | Ø6.43 mm × 10.5 mm |
| Mass | 0.9 g |
| Housing Material | Anodized Aluminum |
| Brand | TOP / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Classification | Domestic (China) |
| Model | GY-10 |
| Pricing | Upon Request |
| Brand | Top (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | GY-13 |
| Pricing | Available Upon Request |
| Brand | Toppo (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GY-1A |
| Pricing | Upon Request |
| Brand | TOP / TP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GY-8 |
| Pricing | Available Upon Request |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 1720E |
| Configuration | Online |
| Measurement Range | 0.0001–9.9999 NTU and 10.000–99.999 NTU (auto-ranging) |
| Resolution | 0.0001 NTU (0–9.9999 NTU) |
| Operating Temperature | 0–50°C (single-sensor), 0–40°C (dual-sensor) |
| Accuracy | ±2% of reading or ±0.015 NTU (whichever is greater) for 0–10 NTU |
| Brand | HACH |
|---|---|
| Origin | USA |
| Model | 1720E |
| Instrument Type | Benchtop Laboratory Turbidimeter |
| Measurement Range | 0.0001–9.9999 NTU and 10.000–99.999 NTU (auto-ranging) |
| Resolution | 0.0001 NTU (0–9.9999 NTU) |
| Accuracy | ±2% or ±0.02 NTU (whichever is greater) for 0–40 NTU |
| Repeatability | Better than ±1.0% of reading or ±0.002 NTU (whichever is greater) |
| Response Time | Step response, initial response ~75 seconds |
| Signal Averaging Options | 6, 30, 60, or 90 seconds (user-selectable |
| Sample Flow Rate | 200–750 mL/min |
| Operating Temperature | 0–50°C (single-sensor configuration) |
| Sample Temperature Range | 0–50°C |
| Analog Output | 0/4–20 mA (programmable over 0–100 NTU range) |
| Relay Outputs | Three SPDT relays (230 VAC, 5 A), configurable for alarm or control setpoints |
| Power Supply | 100–230 VAC, 50/60 Hz (auto-sensing) |
| Inlet Fitting | 1/4" NPT female + 1/4" compression fitting (included) |
| Drain Fitting | 1/2" NPT female + 1/2" hose barb (included) |
| Digital Communication Protocols | MODBUS RTU over RS-485 and RS-232 |
| Compliance Standards | Standard Method 2130B, USEPA Method 180.1, Hach Method 8195 |
| Enclosure Rating | NEMA-4X / IP66 |
| Dimensions (Controller) | 25.4 × 30.5 × 40.6 cm |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 1900C Economical |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 0–50 °C |
| Accuracy | ±1.5% FS |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 1900C |
| Product Type | Portable |
| Measurement Range | 0–9.99 NTU, 0–99.9 NTU, or 0–1000 NTU (auto-ranging or manual range selection) |
| Resolution | 0.01 NTU (at lowest range) |
| Operating Temperature | 0–50 °C |
| Accuracy | ≤1% (0–1000 NTU) |
| Repeatability | ≤1% (0–1000 NTU) |
| Zero Drift | ±1.5% F.S. |
| Stability | ±1.5% F.S. |
| Linearity Error | 1% |
| Power Supply | 4 × AA alkaline batteries or optional AC adapter |
| Weight | 520 g |
| Compliance | EPA Method 180.1 |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 1900C |
| Measurement Principle | Nephelometric (90° light scattering) per USEPA Method 180.1 |
| Range | 0–1000 NTU (auto-ranging) |
| or manual ranges | 0–9.99 / 0–99.9 / 0–1000 NTU |
| Resolution | 0.01 NTU (at lowest range) |
| Accuracy | ±1% linearity error |
| Repeatability | ≤1% (0–1000 NTU) |
| Zero Drift | ±1.5% F.S. |
| Stability | ±1.5% F.S. |
| Power | 4 × AA alkaline batteries or optional AC adapter |
| Operating Temperature | 0–50 °C |
| Weight | 520 g |
| Compliance | Fully compliant with USEPA Method 180.1 |
| Optical System | Dual-detector ratiometric optical design with signal averaging |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100AN |
| Measurement Principle | Nephelometric (90° light scattering) with dual-detector ratio mode |
| Turbidity Range | 0–10,000 NTU |
| Color Range | 0–500 CU |
| Accuracy | ±2% of reading (0–1000 NTU), ±5% (1000–4000 NTU), ±10% (4000–10,000 NTU) |
| Resolution | 0.001 NTU / 1 CU |
| Repeatability | ±1% of reading or 0.01 NTU |
| Minimum Sample Volume | 20 mL |
| Compliance | EPA Method 180.1 |
| Operating Environment | 10–40 °C, ≤90% RH (non-condensing at 25 °C) |
| Power Supply | 230 V, 50/60 Hz |
| Weight | 3.43 kg |
| Data Output | Built-in thermal printer, USB interface for HachLink™ software |
| Sample Chamber Purge | Compressed air port for dew prevention |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100AN |
| Product Type | Benchtop/Laboratory |
| Measurement Range | 0–4000 NTU (extended to 10,000 NTU) |
| Resolution | 0.001 NTU |
| Operating Temperature | 10–40 °C |
| Accuracy | ±0.01 NTU or ±2% (0–1000 NTU), ±5% (1000–4000 NTU), ±10% (4000–10,000 NTU) |
| Colorimetric Range | 0–500 CU |
| Colorimetric Accuracy | ±2 CU (0–30 CU), ±5 CU (0–500 CU) |
| Light Source | Tungsten lamp |
| Compliance | EPA Method 180.1 |
| Repeatability | ±1% of reading or 0.01 NTU |
| Minimum Sample Volume | 20 mL |
| Measurement Units | NTU, NEP, EBC, ABS, T%, CU, user-defined |
| Data Storage | Internal memory with HachLink™ software export capability |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer | Hach Company |
| Type | Benchtop/Laboratory |
| Measurement Range | Turbidity: 0–10,000 NTU |
| Color | 0–500 CU |
| Resolution | Turbidity: 0.001 NTU |
| Color | 1 CU |
| Operating Environment | 10–40 °C, ≤90% RH (non-condensing at 25 °C) |
| Accuracy | Turbidity: (1) 0–1,000 NTU: ±0.01 NTU or ±2% of reading |
| (2) 1,000–4,000 NTU | ±5% of reading |
| (3) 4,000–10,000 NTU | ±10% of reading. Color: (1) 0–30 CU: ±2 CU |
| (2) 0–500 CU | ±5 CU |
| Compliance | EPA Method 180.1 |
| Sample Volume | ≥20 mL |
| Measurement Units | NTU, NEP, EBC, ABS, T%, CU, and user-defined units |
| Repeatability | ±1% of reading or ±0.01 NTU |
| Power Supply | 230 V, 50/60 Hz |
| Weight | 3.43 kg |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100N |
| Product Type | Benchtop / Laboratory |
| Measurement Range | 0–4000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 10–40 °C |
| Accuracy | ±2% (0–1000 NTU), ±5% (1000–4000 NTU) |
| Power Supply | 230 V, 50/60 Hz |
| Relative Humidity | ≤90% RH (non-condensing at 25 °C) |
| Sample Volume | ≥20 mL |
| Measurement Modes | NTU, NEP, EBC |
| Ratio Measurement | Yes |
| Data Storage | Internal memory with HachLink™ software export capability |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100N |
| Instrument Type | Benchtop / Laboratory |
| Measurement Range | 0–4000 NTU |
| Resolution | 0.001 NTU (0–1000 NTU: ±0.01 NTU or ±2% of reading |
| 1000–4000 NTU | ±5% of reading) |
| Operating Temperature | 10–40 °C |
| Relative Humidity | ≤90% RH (non-condensing at 25 °C) |
| Power Supply | 230 V, 50/60 Hz |
| Sample Volume | 20 mL minimum |
| Measurement Modes | NTU, NEP, EBC |
| Ratio Measurement | Yes |
| Air Purge Function | Yes |
| Data Storage | Internal memory with HachLink™ software export capability |
| Brand | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | 2100N |
| Form Factor | Benchtop/Laboratory |
| Measurement Range | 0–4000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 10–40 °C |
| Accuracy | ±2% (0–1000 NTU) |
| Sample Volume | 20 mL minimum |
| Measurement Modes | NTU, NEP, EBC |
| Ratio Measurement | Yes |
| Power Supply | 230 V, 50/60 Hz |
| Relative Humidity | ≤90% RH (non-condensing at 25 °C) |
| Brand | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | 2100N |
| Price | Upon Request |
| Range | 0–4000 NTU |
| Accuracy | ±2% of reading (0–1000 NTU), ±5% of reading (1000–4000 NTU) |
| Resolution | 0.001 NTU |
| Minimum Sample Volume | 20 mL |
| Measurement Modes | NTU, NEP, EBC |
| Ratio Measurement | Yes |
| Signal Averaging | Programmable |
| Sample Chamber Purge | Compressed air compatible |
| Operating Environment | 10–40 °C, ≤90% RH (non-condensing at 25 °C) |
| Power Supply | 230 V, 50/60 Hz |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 2100P |
| Form Factor | Portable (Lab-Grade) |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU (at lowest range) |
| Accuracy | ±2% of reading |
| Operating Temperature | 0–50 °C |
| Power Supply | 4 × AA alkaline batteries or optional AC adapter |
| Weight | 520 g |
| Compliance | EPA Method 180.1 |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100Q |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±2% of reading + stray light contribution |
| Stray Light | < 0.02 NTU (FNU) |
| Compliance | EPA Method 180.1 |
| Optical Principle | Ratio-based 90° scattered light detection with simultaneous transmission compensation |
| Ingress Protection | IP67 (excluding sealed cover and battery compartment) |
| Data Storage | 500 measurement records with timestamp, operator ID, sample ID, calibration status, and error logs |
| Power Options | 4 × AA alkaline batteries, rechargeable NiMH batteries (with USB+Power Module), or AC adapter (100–240 V, 50/60 Hz) |
| Interface | USB (supports 22 languages including English) |
| Measurement Modes | Normal, Signal Average, Rapid Settling Turbidity (RST) |
| Brand | Hach |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | 2100Q |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU (at lowest range) |
| Operating Temperature | 0–50 °C |
| Accuracy | ±2% of reading plus stray light contribution |
| Stray Light | < 0.02 NTU (FNU) |
| Measurement Principle | Ratio method—90° scattered light and transmitted light detection |
| Regulatory Compliance | EPA Method 180.1 |
| Light Source | Tungsten lamp |
| Calibration Options | Single-point (0–40 NTU), full-range (0–1000 NTU), or turbidity-to-suspended solids (0–100 mg/L) |
| Calibration Memory | Last 25 successful calibrations |
| Data Storage | Up to 500 measurements with timestamp, operator ID, sample ID, mode, units, calibration status, and error logs |
| Signal Averaging | User-selectable On/Off |
| Reading Modes | Normal, Signal Averaging, Fast-Settling Turbidity |
| RST (Rapid Settling Turbidity) Algorithm | Yes |
| Interface | USB + power module (optional) for direct PC transfer without proprietary software |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100Q |
| Measurement Range | 0–1000 NTU |
| Accuracy | ±2% of reading + stray light contribution |
| Stray Light | < 0.02 NTU (FNU) |
| Resolution | 0.01 NTU at lowest range |
| Calibration Options | Single-point RapidCal (0–40 NTU), Full-range (0–1000 NTU), and Turbidity-to-TSS correlation (0–100 mg/L) |
| Data Storage | Up to 500 measurements with timestamp, operator ID, sample ID, calibration status, and error logs |
| Compliance | 2100Q complies with USEPA Method 180.1 |
| Signal Averaging | User-selectable On/Off |
| Measurement Modes | Normal, Signal-Averaged, Rapid-Settling Turbidity (RST) |
| Display Guidance | On-screen calibration & verification prompts |
| Data Transfer | USB + power module (no additional software required) |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 2100Q |
| Product Type | Portable |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 0–50 °C |
| Accuracy | ±2% of reading |
| Repeatability | ±1% of reading or 0.01 NTU (whichever is greater) |
| Stray Light | <0.02 NTU (FNU) |
| Data Storage | 500 measurements |
| Ingress Protection | IP67 (excluding sealed cap and battery compartment) |
| Sample Volume | 10 mL minimum |
| Cuvette | 60 × 25 mm borosilicate glass with screw cap |
| Dimensions | 229 × 107 × 77 mm |
| Weight | 527 g (without batteries), 618 g (with 4 × AA alkaline batteries) |
| Power Supply | 4 × AA alkaline or NiMH rechargeable batteries |
| Compliance | EPA Method 180.1, ISO 7027 (nephelometric principle), ASTM D6508 |
| Optical Principle | Ratio-based 90° scattered light and transmitted light detection (U.S. Patent #5,604,590) |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer | HACH Company |
| Model | Accu4/T53 |
| Configuration | Online Turbidimeter |
| Measurement Range | 0.000–1.000, 0.00–10.00, 0.0–100.0 NTU |
| Resolution | 0.001 NTU |
| Accuracy | ±2% of reading |
| Repeatability | <0.1% of full scale |
| Operating Ambient Temperature | −20 to +60 °C |
| Sample Temperature Range | 0 to 60 °C |
| Sample Flow Rate | 0.19–26.5 L/min |
| Max Sample Pressure | 50 psig |
| Enclosure Rating | NEMA 4X (IP65) |
| Analog Outputs | Two isolated 4–20 mA outputs |
| Relay Outputs | Four SPDT relays |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Light Source | Long-life LED |
| Compliance | EPA Method 180.2 (GLI Method 2) |
| Brand | Hach |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | DR1300 FL |
| Price | Upon Request |