Optical Measurement Instruments
Filter
Showing 451–480 of 793 results
| Brand | Labsphere |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GPS |
| Configuration | Solid-State Laser Sources & Integrated Measurement Subsystem |
| Optical Coating Options | Spectraflect®, Infragold®, or Spectralon® |
| Wavelength Range | 200–5000 nm (UV-Vis-NIR-MIR) |
| Beam Acceptance Angle | Up to ±40° half-angle |
| Cooling | Optional water-cooling module with user-selectable chiller integration |
| Detector Compatibility | Dual-detector or dual-spectrometer mounting interface |
| Attenuation | Polarization-insensitive neutral-density filtering |
| Target Plate | Integrated laser diffuser plate for beam energy dispersion |
| Thermal Management | Active heat dissipation architecture for sustained high-power operation |
| Compliance | Designed to support ISO/IEC 17025-compliant calibration workflows and GLP/GMP traceability requirements |
| Brand | Labsphere |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Model | RSA-FO-150 Fiber-Optic Single-Beam Integrating Sphere |
| Wavelength Range | 250 nm to 2500 nm |
| Brand | Labsphere |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | RSA-FO-TW-76 |
| Pricing | Available Upon Request |
| Brand | Labsphere |
|---|---|
| Origin | USA |
| Model | RT/RTC |
| Coating Options | Spectraflect® (300–2400 nm), Infragold® (0.7–20 µm) |
| Configuration | RT (fixed 9°/h geometry), RTC (motorized or manual variable-angle sample stage) |
| Detector Port | Top (RT), Bottom (RTC) |
| Standard Aperture | Five 1-inch ports + 0.5-inch detector port |
| Mirror Trap | Integrated specular beam trap |
| Baffle Design | Low-profile, minimized obstruction for maximal wall visibility |
| Entrance Geometry | Knife-edge apertures for wide-angle scatter collection |
| Compliance | ASTM E1331, ISO 9050, ISO 13468, ISO 14782, CIE 110, USP <857>, FDA 21 CFR Part 11 (with optional software audit trail) |
| Brand | LabSphere |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TOCS-20 |
| Pricing | Available Upon Request |
| Integration Options | 0.5 m, 1.0 m, 1.65 m, and 2.0 m integrating sphere configurations |
| Standards Compliance | IESNA LM-79-19, LM-80-15 |
| Thermal Control | Integrated TEC-based temperature stabilization with real-time junction/substrate temperature monitoring |
| Electrical Measurements | Current (I), Voltage (V), Electrical Power (P) |
| Photometric Measurements | Luminous Flux (lm), Luminous Efficacy (lm/W), Chromaticity Coordinates (CIE 1931 x,y |
| Thermal-Optical-Electrical Correlation | Simultaneous acquisition of L, V, I, and T under controlled thermal boundary conditions |
| Brand | Lamotte |
|---|---|
| Origin | USA |
| Model | Smart3 |
| Wavelengths | 428 nm, 525 nm, 568 nm, 635 nm |
| Optical Path | 10 mm cuvette / 25 mm round tube / 16 mm COD vial |
| Display | 160 × 100 backlit LCD (20 × 6 character graphic) |
| Photometric Range | –2 to +2 AU |
| Absorbance Accuracy | ±0.001 AU at 1.0 AU |
| Wavelength Accuracy | ±2% FS |
| Bandwidth | 10 nm |
| Light Source | Four high-stability LEDs with integrated narrow-band interference filters |
| Detector | Silicon photodiode |
| Data Storage | 500 measurements |
| User-Defined Methods | Up to 25 custom calibration curves |
| Language Options | English, Spanish, French, Portuguese, Italian, Chinese, Japanese |
| IP Rating | IP67 |
| Power | Rechargeable Li-ion battery, USB bus power, or AC adapter |
| Auto-off | Configurable (5 / 10 / 50 min) |
| Dimensions | 8.84 × 19.05 × 6.35 cm |
| Weight | 362 g |
| Compliance | CE-marked |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LJ350UV |
| Price | USD 1,390 (FOB Qingdao) |
| Wavelength Range | 200–400 nm (UV-C to UV-A) |
| Spectral Bandwidth (FWHM) | 2 nm |
| Optical Resolution | 0.2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Detector | High-precision CCD array |
| Input Aperture | Ø10 mm |
| Display | 5.0" IPS capacitive touchscreen |
| Operating System | Embedded Linux |
| Battery | 4000 mAh Li-ion, 10 h continuous operation |
| Data Storage | 4 GB microSD (≥60,000 records) |
| Interface | USB Type-C (≥1 A current rating) |
| Illuminance Accuracy | Class I (±4% reading ±1 digit) |
| Chromaticity Repeatability | ±0.0005 in CIE 1931 (x,y) |
| CCT Range | 1,000–100,000 K |
| Stray Light | ≤0.3% |
| Operating Temp. | −10 to +40 °C, RH <70% (non-condensing) |
| Storage Temp. | −20 to +45 °C, RH <70% (non-condensing) |
| Dimensions | 146 × 81 × 22.8 mm |
| Weight | ~300 g (body only, with battery) |
| Brand | FLC |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | 1 |
| Core Construction | Solid-State Laser Device |
| Wavelength Range | 375–3100 nm |
| Output Power | 1–500 mW |
| Packaging Options | TO-can, Butterfly, C-mount, Coaxial, Fiber-Pigtailed |
| Optional Integrations | Thermoelectric (TE) Coolers, Monitor Photodiodes, FC/PC or SMA Fiber Coupling Interfaces |
| Brand | Laser Quantum |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Product Type | Imported OEM Solid-State Laser System |
| Model | Gem473 / Gem532 / Gem561 / Gem660 / Gem671 |
| Wavelengths | 473 nm, 532 nm, 561 nm, 660 nm, 671 nm |
| Output Power Range | 50 mW to 2 W (model-dependent) |
| Beam Diameter | 0.75–1.0 mm ± tolerance |
| Spatial Mode | TEM₀₀ |
| Power Stability | ≤ 1.0% RMS |
| Beam Pointing Stability | < 10 µrad/°C |
| Noise Level | 0.6–1.5% (10 Hz–10 kHz) |
| Polarization Ratio | >100:1, Vertical |
| Coherence Length | ~7.5 mm (473/561 nm), ~25 µm (532/660/671 nm) |
| Spectral Bandwidth | 30–40 GHz |
| Divergence | < 0.8–1.5 mrad |
| Warm-up Time | 10–15 min |
| Operating Temperature | 15–40 °C |
| Brand | Laser Quantum |
|---|---|
| Origin | United Kingdom |
| Model | GigaJet Series |
| Type | Solid-State Femtosecond Oscillator |
| Repetition Rate | 500 MHz or 1 GHz |
| Central Wavelength | 800 ± 20 nm (GigaJet & GigaJet Ultra), 750–850 nm tunable (GigaJet Tune) |
| Pulse Duration | ≤30 fs (GigaJet), ≤50 fs (GigaJet Tune), ≤15 fs (GigaJet Ultra) |
| Average Power | 0.8–1.8 W (GigaJet), 0.7–1.4 W (GigaJet Tune), 0.75–1.5 W (GigaJet Ultra) |
| Pulse Energy | 0.8–3.6 nJ (GigaJet), 0.7–1.4 nJ (GigaJet Tune), 0.75–1.5 nJ (GigaJet Ultra) |
| Beam Diameter (FWHM) | 0.8 ± 0.3 mm |
| Spatial Mode | Near TEM₀₀ |
| Beam Divergence | 2.0 ± 0.5 mrad |
| Polarization Ratio | >100:1, horizontal |
| Pump Requirement | 5 W, 532 nm, TEM₀₀, vertically polarized |
| Operating Temperature | 21 ± 5 °C |
| Brand | Laser Quantum |
|---|---|
| Origin | United Kingdom |
| Model | Opus532 / Opus660 / Opus1064 |
| Type | Solid-State Continuous-Wave (CW) Lasers |
| Wavelength | 532 nm / 660 nm / 1064 nm |
| Output Power | 2–6 W / 1–1.5 W / 4–10 W |
| Beam Diameter | 1.85±0.2 mm / 0.85±0.2 mm / 1.85±0.2 mm |
| Spatial Mode | TEM₀₀ |
| Beam Ellipticity | <1_1.15 / <1_1.2 / — |
| Spectral Bandwidth | 45 GHz / 30 GHz / 80 GHz |
| Beam Divergence | <0.4 mrad / <1.5 mrad / <0.6 mrad |
| M² Factor | <1.1 / <1.2 / <1.5 |
| Power Stability (RMS) | <0.2% / <1.0% / <0.2% |
| Pointing Stability | <2 μrad/°C / <10 μrad/°C / <10 μrad/°C |
| Intensity Noise (RMS, 10 Hz–100 MHz / 10 Hz–50 kHz / 10 Hz–1 MHz) | ≤0.08% / ≤0.6% / ≤0.15% |
| Polarization Ratio | >100:1 |
| Polarization Orientation | Vertical |
| Beam Angle | ≤1 mrad |
| Operating Temperature | 15–40 °C |
| Warm-up Time | 10 minutes |
| Key | Wavelength: 355 nm |
|---|---|
| Repetition Rate (External Trigger Mode) | 200–2000 Hz (200 Hz nominal) |
| Pulse Energy | 20 ±10% mJ @ 200 Hz |
| Pulse Width | 5 ±2 ns (≤7 ns and ≥3 ns @ 200 Hz) |
| Beam Divergence | 3.4 ±0.5 mrad |
| Operating Temperature | 15–35 °C (RH <80%) |
| Manufacturer Origin | Russia |
| Compliance | CE, RoHS, IEC 60825-1:2014 Class 4 Laser Product |
| Brand | Lasertec |
|---|---|
| Origin | Japan |
| Instrument Type | Portable |
| Optical Geometry | 45°c:0° (45° circumferential illumination / 0° vertical viewing) |
| Spectral Range | 360–740 nm |
| Wavelength Interval | 10 nm (FWHM ≈ 10 nm) |
| Measurement Areas | MAV Ø8.0 mm / SAV Ø3.0 mm |
| Gloss Measurement | 60°, 0–200 GU |
| Repeatability | ΔE*ab ≤ 0.04 (std dev, white tile, n=30) |
| Inter-instrument Agreement | ΔE*ab ≤ 0.15 (BCRA Series II, 12 tiles) |
| Display | 2.7″ TFT color LCD |
| Battery Life | ~3,000 measurements (standalone, 10 s interval) |
| Compliance | CIE No.15, ISO 7724-1, ISO 2813, ASTM E179, ASTM D523, JIS Z 8722, JIS Z 8741 |
| Brand | Lasertec |
|---|---|
| Origin | Japan |
| Instrument Type | Portable |
| Optical Geometry | Diffuse Illumination / 0° Viewing (with Specular Component Included) |
| Light Source | Pulsed Xenon Lamp |
| Repeatability | ΔE*ab ≤ 0.07 (SD, 30 measurements on white calibration tile at 10-sec intervals after white calibration) |
| Measurement Aperture | CR-400: Φ8 mm / Φ11 mm |
| CR-410 | Φ50 mm / Φ53 mm |
| Inter-instrument Agreement | ΔE*ab ≤ 0.6 (CR-400), ≤ 0.8 (CR-410) against BCRA Series II 12-color tile set |
| Observer | CIE 1931 2° Standard Observer |
| Illuminants | C, D65 (and others per color space) |
| Color Spaces | CIE XYZ, Yxy, L*a*b*, Hunter Lab, L*C*h, Munsell (C-illuminant only), CMC (l:c), CIE 1994, CIE 2000, Lab99, LCh99, CIE WI-Tw (D65 only), WI ASTM E313 (C only), YI ASTM D1925 & E313 (C only), User-defined metrics (up to 6) |
| Display | Backlit dot-matrix LCD (multilingual: English, German, French, Italian, Spanish, Japanese) |
| Memory | 1000 measurements (probe + processor combined), 100 standard colors |
| Interface | RS-232C, USB 2.0 (via CR-A105 adapter) |
| Power | 4× Ni-MH batteries or dedicated AC adapter |
| Operating Temp. | 0–40°C, RH ≤85% (non-condensing) |
| Dimensions (W×H×L) | CR-400: 105×218×63 mm |
| CR-410 | 105×245×63 mm |
| Weight | CR-400: ~540 g |
| CR-410 | ~560 g (incl. batteries, excl. cable) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | LED-LightBar-COB |
| Pricing | Available Upon Request |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DGB-421 |
| Measurement Range | 0–50 PCU (Platinum-Cobalt Units) |
| Accuracy | ±5% or ±1 PCU |
| Repeatability | ≤3.0% |
| Protection Rating | IP65 |
| Power Supply | 4×AA batteries or USB 5V DC |
| Dimensions | 100 × 220 × 80 mm |
| Weight | 0.8 kg |
| Display | High-resolution LCD |
| Calibration | Zero and full-scale calibration with Pt-Co standard solutions |
| Data Storage | 200 sets |
| Compliance | GB/T 5750.4–2023 (Standard Methods for Examination of Drinking Water – Color) |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | WZB-172 |
| Price Range | USD 0.15–750 (FOB) |
| Product Type | Portable |
| Measurement Range | 0.00–500.0 NTU |
| Resolution | 0.01 NTU |
| Accuracy | ±6% FS |
| Light Source | 860 nm Infrared LED |
| Compliance | ISO 7027 & HJ 1075-2019 |
| Protection Rating | IP65 |
| Data Storage | 1000 records |
| Calibration Points | Zero + up to 4 points (2, 20, 200, 500 NTU) |
| Display | 3.5-inch color LCD |
| Power | Rechargeable Li-ion battery (DC5V/2A input via Micro-USB) |
| Dimensions | 90 × 250 × 90 mm |
| Weight | ~0.8 kg |
| Environmental Operating Conditions | 5–40 °C, ≤85% RH |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZS-182E |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | (0.00–9.99) NTU, (10.0–99.9) NTU, (100–500) NTU |
| Resolution | 0.01 / 0.1 / 1 NTU |
| Accuracy | ±6% |
| Light Source | Tungsten-Halogen Lamp |
| Measurement Principle | Nephelometric (90° scattered light) and Ratio (scattered + transmitted light) methods |
| Compliance | EPA Method 180.1, HJ 1075-2019 |
| Display | 5.7-inch high-resolution color LCD |
| Protection Rating | IP54 |
| Calibration Standards Included | Long-life turbidity standards at 20, 200, and 500 NTU |
| Data Management | Internal storage with USB and RS-232 interfaces |
| Regulatory Support | GLP-compliant data traceability, audit trail capability, user-accessible calibration history |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | WZS-186 |
| Price Range | USD 700–1,400 |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | 0.000–2000 NTU |
| Resolution | 0.001 NTU |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% |
| Light Source | Infrared LED |
| Compliance | ISO 7027, HJ 1075-2019 |
| Protection Rating | IP54 |
| Display | 7-inch color TFT touchscreen |
| Measurement Principles | Nephelometric (90° scatter) and Ratio Scatter-Transmission |
| Units | NTU, FNU, EBC |
| Calibration Options | Single-point or multi-point (20/200/500/1000/2000 NTU), zero adjustment, factory reset |
| Data Management | Onboard storage, USB export, RS-232 printer interface |
| Software Interface | PC communication via dedicated software |
| GLP Support | Audit trail, timestamped records, user login (if enabled), data traceability |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DGB-421F |
| Price | USD 560 (FOB Shanghai) |
| Measurement Principle | Absorbance-based photometric determination at 365 nm |
| Units | PCU, Hazen, mg Pt·L⁻¹ |
| Range | 0.0–99.9 and 100–500 PCU |
| Accuracy | ±3% or ±0.5 PCU |
| Repeatability | ≤1.5% |
| Light Source | 365 nm high-stability LED |
| Cuvette Pathlength | 25 mm |
| Display | High-resolution color LCD |
| Data Storage | 200 measurement records with GLP-compliant metadata (user ID, sample ID, timestamp, calibration status) |
| Interface | USB 2.0 (PC data transfer), RS-232 (printer output) |
| Power | Rechargeable Li-ion battery (5 V DC input |
| Dimensions | 100 × 245 × 88 mm |
| Weight | 0.5 kg |
| Ingress Protection | IP65 |
| Compliance | GB/T 5750.4–2023 (Standard Methods for Examination of Drinking Water – Color Determination), ISO 7887:2011, ASTM D1209, USP <631> |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZB-170 |
| Product Type | Portable |
| Measurement Range | 0.00–20.00 NTU, 20.0–200.0 NTU, 200–1000 NTU (auto-ranging) |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-selected) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±8 % FS |
| Repeatability | ≤1.0 % |
| Zero Drift | ±1.0 % FS / 30 min |
| Stability | ±0.5 % FS / 30 min |
| Light Source | Infrared LED (860 nm), compliant with ISO 7027 and HJ 1075 |
| Calibration Points | Zero + up to three standard points (2, 20, 200 NTU) |
| Display | Monochrome LCD |
| Power Supply | 4 × AA batteries or DC 5 V adapter (AC 200–240 V input) |
| Dimensions | 100 × 220 × 80 mm |
| Weight | ~0.8 kg |
| Protection Rating | IP65 |
| Included Accessories | Standard turbidity bottles, protective carrying case, 400 NTU calibration standard solution |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-172E |
| Type | Portable |
| Measurement Range | 0.00–9.99 NTU |
| Resolution | 0.01 NTU |
| Operating Temperature | 5–40 °C |
| Accuracy | ±6% |
| Light Source | Tungsten Lamp |
| Measurement Principle | Nephelometric (90° scattered light) and Ratio Nephelometric (scattered + transmitted light) |
| Compliance | HJ 1075–2019, USEPA Method 180.1, JJG 880–2006 |
| IP Rating | IP65 |
| Data Storage | 1000 datasets |
| Interface | Micro-USB, RS-232 |
| Power | Rechargeable Li-ion battery with PC/mobile power bank charging capability |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZB-172E |
| Product Type | Portable |
| Measurement Range | (0.00–9.99) NTU, (10.0–99.9) NTU, (100–500) NTU |
| Resolution | 0.01 NTU / 0.1 NTU / 1 NTU |
| Accuracy | ±6% |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS/30 min |
| Stability | ±0.5% FS/30 min |
| Calibration Points | Zero + up to 4 points (2, 20, 200, 500 NTU) |
| Data Storage Capacity | 1000 records |
| Display | 3.5-inch color LCD |
| Ingress Protection | IP65 |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions & Weight | 90 × 250 × 90 mm, approx. 0.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | WZB-175 |
| Price Range | USD 700–1,400 |
| Product Type | Portable |
| Measurement Range | 0–2000 NTU (auto-ranging across four sub-ranges) |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-selected by range) |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| Accuracy | ±6% of reading |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Calibration Points | Up to 6 points (2, 20, 200, 500, 1000, 2000 NTU) |
| Data Storage Capacity | 2000 measurements |
| Display | 4.3-inch color TFT LCD touchscreen |
| Protection Rating | IP65 |
| Interface | Micro-USB (PC communication), RS-232 (printer output) |
| Power Supply | Rechargeable Li-ion battery (with AC adapter: Input AC 100–240 V, Output DC 5 V / 2 A) |
| Dimensions & Weight | 90 × 250 × 90 mm, approx. 0.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | WZB-176E |
| Product Type | Portable |
| Measurement Range | (0.00–9.99) NTU, (10.00–99.9) NTU, (100.0–999) NTU, (1000–2000) NTU |
| Resolution | 0.01 NTU / 0.1 NTU / 1 NTU |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS/30 min |
| Stability | ±0.5% FS/30 min |
| Calibration Points | Up to 6 points (2, 20, 200, 500, 1000, 2000 NTU) |
| Data Storage Capacity | 2000 records |
| Display | 4.3-inch color TFT touchscreen |
| Protection Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions & Weight | 90 × 250 × 90 mm, approx. 0.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | WZS-180A |
| Price Range | USD 1–720 (FOB) |
| Form Factor | Benchtop / Laboratory |
| Measurement Ranges | (0.00–20.00) NTU, (20.0–200.0) NTU, (200–1000) NTU |
| Resolution | 0.01 NTU (low range), 0.1 NTU (mid range), 1 NTU (high range) |
| Accuracy | ±8% FS |
| Repeatability | ≤1.0% |
| Zero Drift | ±1.0% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Light Source | 860 nm Infrared LED, compliant with ISO 7027 and HJ 1075 |
| Calibration Options | Zero-point correction + up to 3-point calibration (2, 20, 200 NTU) |
| Display | Monochrome LCD |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| IP Rating | IP65 |
| Dimensions (L×W×H) | 330 × 250 × 130 mm |
| Weight | ~2.5 kg |
| Standard Accessories | Certified 400 NTU turbidity standard solution, calibrated turbidity vials |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Type | Benchtop Laboratory Turbidimeter |
| Measurement Range | 0.00–500 NTU |
| Resolution | 0.01 NTU (at low range), 0.1 NTU (mid range), 1 NTU (high range) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% FS |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Calibration Points | Up to 5 points (2, 20, 50, 200, 500 NTU) |
| Data Storage Capacity | 1000 records |
| Display | 5.7-inch color LCD |
| Protection Rating | IP54 |
| Power Supply | DC24V adapter (AC100–240V input) |
| Dimensions & Weight | 189 × 282 × 84 mm, ~1.5 kg |
| Compliance | ISO 7027, HJ 1075-2019 |
| Measurement Principles | Nephelometric (90° scatter) and Ratio (scatter + transmission) methods |
| Units Supported | NTU, FNU, EBC |
| Connectivity | RS-232 serial port, USB interface |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | WZS-182E |
| Price | USD 980 (FOB Shanghai) |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | 0.00–9.99 NTU |
| Resolution | 0.01 / 0.1 / 1 NTU (auto-ranging) |
| Operating Temperature | 5–35 °C |
| Accuracy | ±6% of reading |
| Light Source | Tungsten-halogen lamp |
| Measurement Principle | Nephelometric (90° scatter) and Ratio nephelometric-scatter/transmission |
| Compliance | USEPA Method 180.1, HJ 1075–2019, JJG 880–2006 |
| Display | 5.7-inch color LCD with tactile keypad |
| Protection Rating | IP54 |
| Calibration Standards Included | Long-life turbidity standards at 20, 200, and 500 NTU |
| Data Storage | 1000 measurement records |
| Interface | RS-232 (for thermal printer), USB-B (for PC communication) |
| Software Support | Dedicated Leici turbidity data management software (Windows-compatible) |
| GLP Features | Audit-trail enabled timestamped records, user ID logging, calibration history, factory reset with zero & calibration value recovery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | WZS-188E |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | (0.000–9.999) NTU, (10.00–99.99) NTU, (100.0–999.9) NTU, (1000–4000) NTU |
| Resolution | 0.001 / 0.01 / 0.1 / 1 NTU |
| Accuracy | ±6% |
| Light Source | Tungsten-Halogen Lamp |
| Compliance | US EPA Method 180.1, HJ 1075–2019 |
| Measurement Principle | Nephelometric (90° scatter) and Scatter-Transmission dual-mode |
| IP Rating | IP54 |
| Display | 7-inch HD color capacitive touchscreen |
| Calibration Options | Single-point or multi-point |
| Units | NTU, FNU, EBC |
| Modes | Standard measurement, averaging mode (for dynamic suspension stabilization), auto-ranging |
| Data Management | Onboard storage, recall, deletion, USB export, RS-232 printer output |
| Software Interface | PC communication via dedicated software (USB) |
| GLP Support | Full audit trail, timestamped records, user ID logging, calibration history retention |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | WZS-190S |
| Price Range | USD 1,400–2,100 |
| Instrument Type | Benchtop / Laboratory |
| Measurement Range | 0–4000 NTU (tungsten lamp), 0–2000 NTU (860 nm LED) |
| Resolution | 0.001 NTU (lowest range) |
| Accuracy | ±6% FS |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% FS / 30 min |
| Stability | ±0.5% FS / 30 min |
| Light Sources | Dual-source — Tungsten lamp (400–600 nm, compliant with US EPA Method 180.1 & HJ 1075-2019), 860 nm LED (compliant with ISO 7027 & HJ 1075-2019) |
| Calibration Points | Up to 8-point (tungsten), up to 7-point (LED) |
| Data Storage Capacity | 2000 turbidity measurements per light source + 2000 verification records + 500 system logs + 4000 operation logs |
| Environmental Operating Conditions | 5–35 °C, ≤85% RH |
| Power Supply | AC 100–240 V input, DC 20 V output |
| Dimensions & Weight | 300 × 200 × 88 mm, ~1.5 kg |
| Protection Rating | IP54 |
| Compliance Standards | JJG 880–2006, HJ 1075–2019, ISO 7027:2016, US EPA Method 180.1 |