Oil Content Analyzer
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| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OL1071 |
| Instrument Type | Portable |
| Detection Principle | UV Absorption Spectrophotometry (225 nm) with Continuous Flow Liquid-Liquid Extraction |
| Detection Limit | 0.005 mg/L |
| Accuracy | ±2% of reading |
| Resolution | 0.001 mg/L |
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Model | OL1120N |
| Instrument Type | Laboratory-Based |
| Measurement Principle | Infrared Spectrophotometry (ASTM D7066, ISO 9377-2, HJ 637–2018) |
| Sample Capacity | 24-position carousel (expandable) |
| Extraction Solvent | Tetrachloroethylene (C₂Cl₄) |
| Oil Classification | Petroleum Hydrocarbons & Animal/Vegetable Oils |
| Separation Method | Triple-phase separation via extraction tube, aqueous barrier membrane, and phase separation column |
| Calibration Options | Certified reference standards, multi-point calibration curve, single-point rapid calibration |
| Reagent Recovery | Automated solvent–water immiscible phase separation |
| Remote Access | Web-based GUI + mobile-responsive interface with real-time status monitoring and audit-trail-enabled command logging |
| Sealing Mechanism | Adaptive elastic dynamic pressure seal (no rotary lid wear) |
| Fluid Handling | High-precision 3-axis robotic arm + solenoid-driven micro-pumps (MTBF ≥ 4×10⁶ cycles) |
| Mixing | Turbulent vortex injection + active flow agitation |
| Cleaning Protocol | Continuous “live-water” rinse between samples |
| Detection Range | Compliant with HJ 637–2018 quantification limits (0.01–100 mg/L for petroleum hydrocarbons |
| Data Compliance | 21 CFR Part 11–ready electronic records with user-level access control, timestamped audit trail, and GLP/GMP-aligned metadata tagging |
| Brand | Online Instrument |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OL1171 |
| Instrument Type | Portable |
| Measurement Principle | UV Absorption Spectrophotometry (225 nm) with Continuous-Flow Liquid-Liquid Extraction |
| Measurement Range | 0–16 mg/L (with automatic on-board dilution for over-range samples) |
| Detection Limit | 0.005 mg/L |
| Accuracy | ±2% of reading |
| Resolution | 0.001 mg/L |
| Measurement Frequency | User-Configurable (1–12 measurements/hour typical) |
| Brand | Rannuo |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory-Based |
| Model | RN3006 |
| Measurement Principle | Fluorescence Spectrophotometry |
| Measurement Range | 0–10 mg/L |
| Detection Limit | 0.001 mg/L |
| Resolution | 0.0001 mg/L |
| Analysis Time per Sample | 5–8 minutes |
| Compliance Standard | GB 17378.4–2007 (Marine Monitoring Specifications – Part 4: Seawater Analysis) |
| Brand | Safe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Principle | Infrared Spectrophotometry (Fourier-transform-free, Dispersive NIR with Fixed-Wavelength Detection at 2930, 2960, and 3030 cm⁻¹) |
| Measurement Range | 0.002–64,000 mg/L |
| Detection Limit | < 0.04 mg/L |
| Accuracy | ±2% (relative error, certified reference materials) |
| Resolution | 0.002 mg/L |
| Analysis Cycle Time | 30 seconds per sample (including extraction solvent introduction, cell filling, and spectral acquisition) |
| Brand | Safe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Regional Classification | Domestic (China) |
| Model | AT-H300 |
| Instrument Type | Laboratory |
| Measurement Principle | Infrared Spectrophotometry (Fourier-transform-free, dual-beam fixed-wavelength absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 3030 cm⁻¹) |
| Measurement Range | 0.01–64,000 mg/L |
| Detection Limit | 0.01 mg/L |
| Accuracy | ±0.01 mg/L |
| Resolution | 0.004 mg/L |
| Sample Throughput | 7–10 minutes per sample |
| Compliance | HJ 637–2018, HJ 1051–2019, HJ 1077–2019, JJG 1153–2023 |
| Brand | Safe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | AT-Z300 |
| Instrument Type | Laboratory-Based |
| Measurement Principle | Ultraviolet Spectrophotometry (UV-Vis) |
| Measurement Range | 0.002–64,000 mg/L |
| Limit of Detection (LOD) | < 0.01 mg/L |
| Accuracy | ±0.2 mg/L |
| Resolution | < 0.004 mg/L |
| Analysis Time per Sample | 7–12 minutes |
| Brand | ShengAohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SH-21A |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Spectrophotometry (FTIR-based Dispersive Detection) |
| Measurement Range | 0–120.00 mg/L (as oil in water) |
| Detection Limit | 0.001 mg/L (instrument detection limit, water sample basis) |
| Accuracy | ±1.5% |
| Wavenumber Range | 3400–2400 cm⁻¹ (2941–4167 nm) |
| Wavenumber Accuracy & Repeatability | ±0.5 cm⁻¹ |
| Baseline Drift | <0.005 AU/60 min |
| Linearity (R²) | >0.999 |
| Repeatability (RSD) | ≤0.6% at 30–40 mg/L oil standard (n=11) |
| Absorbance Range | 0.0000–3.0000 AU (T = 100%–1%) |
| Scan Speed | Full-spectrum scan in 30 s |
| Light Source | German-imported infrared tungsten-halogen lamp (lifetime ≥50,000 h) |
| Optical Path | Integrated optical-mechanical-electrical architecture with mechanical chopper for zero-point auto-adjustment |
| Solvent Compatibility | Tetrachloroethylene (C₂Cl₄), S-316, 1,1,2-trichloro-1,2,2-trifluoroethane, and other non-carbon-chlorinated solvents |
| Sample Cell | 4 cm pathlength quartz cuvette |
| Operating Environment | 15–30 °C, 20–80% RH (non-condensing) |
| Power Supply | (220 ± 22) V AC, (50 ± 1) Hz, 50 W |
| Dimensions | 480 × 340 × 160 mm |
| Net Weight | 12 kg |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SH-21B(V11) |
| Instrument Type | Portable |
| Measurement Principle | Infrared Spectrophotometry (Fourier-transform-free dispersive IR) |
| Measurement Range | 0–120 mg/L (for C₂Cl₄ extract, 4 cm cell) |
| Detection Limit | 0.002 mg/L (in water) |
| Upper Quantitation Limit | 640,000 mg/L (in water) |
| Accuracy | RSD < 0.8% (for standard oil reference at 20–80 mg/L) |
| Resolution | 0.1 mg/L |
| Scan Time | ~30 s (full spectral scan, 3400–2400 cm⁻¹) |
| Wavenumber Accuracy | ±1 cm⁻¹ |
| Wavenumber Repeatability | ±1 cm⁻¹ |
| Absorbance Range | 0.0000–3.0000 AU (100–1% T) |
| Baseline Drift | Zero drift (mechanical chopper stabilization) |
| Display | 10.1″ Windows 10 tablet PC (backward-compatible with Win7/Win8) |
| Battery Life | Up to 8 h |
| Weight | 12 kg (main unit) |
| Dimensions | 470 × 360 × 230 mm (L×W×H) |
| Enclosure Rating | IP65 |
| Compatible Solvent | Tetrachloroethylene (C₂Cl₄) |
| Data Storage | Local spectral files, measurement parameters, and results exportable to PC |
| Power Supply | Integrated portable rechargeable power module |
| Brand | Shengaohua |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | SH-21Z |
| Instrument Type | Laboratory |
| Measurement Principle | UV Spectrophotometry |
| Measurement Range | 0.001–1000 mg/L |
| Detection Limit | 0.001 mg/L |
| Accuracy | ≤ ±5% |
| Resolution | 0.001 mg/L |
| Measurement Frequency | 7 measurements/min |
| Wavelength Range | 200–400 nm |
| Photometric Stability | ≤ 0.001 A/10 min |
| Repeatability | ±3% |
| Sample Extraction | Manual with n-Hexane |
| Display | 10.1-inch true-color capacitive touchscreen |
| Data Storage Capacity | 5 million records |
| Dimensions | 220 × 120 × 90 mm |
| Net Weight | 10.3 kg |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OIL-IR-2100 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Principle | Infrared Absorption Spectrophotometry (Triple-Wavelength Method) |
| Measurement Range | 0–800 mg/L |
| Detection Limit | 0.02 mg/L |
| Accuracy | <1% RSD |
| Spectral Resolution | 1 cm⁻¹ |
| Scan Speed | Full-spectrum scan in 30 s |
| Operating System | Embedded Windows 10 (10.0-inch touchscreen tablet) |
| Connectivity | Bluetooth 4.2, USB 3.0, RS-232/RS-485 |
| Optical Source | Electrically Modulated IR Source (Lifespan ≥5000 h) |
| Housing Material | ABS with EMI shielding, impact-resistant and corrosion-resistant finish |
| Baseline Stability | Real-time zero-point auto-adjustment (dual-signal acquisition: light-on & light-off) |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OIL-IR-2200 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Principle | Infrared Spectrophotometry (Triple-Wavelength Absorption at 2960 cm⁻¹, 2930 cm⁻¹, and 2870 cm⁻¹) |
| Measurement Range | 0–800 mg/L |
| Detection Limit | 0.02 mg/L |
| Accuracy | <1% RSD |
| Spectral Resolution | 1 cm⁻¹ |
| Full-Spectrum Scan Time | 60 s per sample |
| Compliance | HJ 637–2018, HJ 1077–2019 |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OIL-IR-3100 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Absorption Spectrophotometry (Fourier-transform-free, Dispersive Optical Path) |
| Measurement Range | 0–600 mg/L |
| Detection Limit | 0.1 mg/L (instrument) |
| Accuracy | ≤ ±1% (absolute error at 100 mg/L CH, 20 mg/L CH₂/CH₃) |
| Wavenumber Resolution | 0.5 nm (equivalent to ~0.3 cm⁻¹ in mid-IR region) |
| Wavenumber Repeatability | ±0.01 cm⁻¹ |
| Absorbance Range | 0.00000–200000 A (logarithmic scale, Lambert–Beer compliant) |
| Scan Speed | Full-spectrum acquisition in ≤90 s per sample |
| Wavenumber Range | 2400–3400 cm⁻¹ (2941–4167 nm) |
| Cell Pathlength | 4 cm quartz cuvette |
| Certified Compliance | HJ 637–2018, HJ 1077–2019, GB 18483–2001 |
| Software Features | Triple-wavenumber algorithm (2930, 2960, 3030 cm⁻¹), automatic unit conversion, built-in calibration coefficient matrix (X, Y, Z, F), no standard curve required for quantification |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OIL-IR-BX |
| Instrument Type | Portable |
| Measurement Principle | Infrared Spectrophotometry |
| Measurement Range | 0–150 mg/L |
| Detection Limit | 0.02 mg/L |
| Accuracy | < ±1% |
| Spectral Resolution | 1 cm⁻¹ |
| Full-Spectrum Scan Time | 30 s per sample |
| Repeatability | RSD ≤ 1% (20–100 mg/L oil standard, n = 11) |
| Correlation Coefficient | R > 0.999 |
| Net Weight | 10 kg |
| Dimensions | 450 × 320 × 150 mm |
| Operating System | Windows XP or later |
| Integrated Control Unit | Industrial-grade all-in-one PC with 8-inch display |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OIL-UV-2100 |
| Measurement Principle | UV Spectrophotometry |
| Measurement Range | 0–80 mg/L |
| Detection Limit | 0.005 mg/L |
| Accuracy | <2% |
| Wavelength Resolution | 1 nm |
| Sample Measurement Time | 15 s per sample |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Absorbance Range | −0.30 to 3.0 A |
| Absorbance Repeatability (RSD) | ≤1% |
| Correlation Coefficient | R > 0.999 |
| Transmittance Accuracy | ±0.3% T |
| Stray Light | ≤0.2% T |
| Baseline Drift | ±0.002 A/h |
| Extraction Method | n-Hexane Extraction (Compliant with HJ 970–2018) |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OILAutoTM-IR-8 / IR-10 / IR-12 / IR-14 |
| Instrument Type | Laboratory-Based |
| Principle | Infrared Spectrophotometry (Triple-Wavenumber Method) |
| Measurement Range | 0.01–100 mg/L |
| Detection Limit | 0.01 mg/L |
| Accuracy | < ±1% |
| Spectral Resolution | 1 cm⁻¹ |
| Sample Throughput | 6–12 min per sample (including extraction) |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OILAutoTM-UV-8/10/12/14 |
| Instrument Type | Laboratory-Based |
| Principle | UV Spectrophotometry (225 nm) |
| Measurement Range | 0–60 mg/L |
| Detection Limit | 0.005 mg per measurement (equivalent to 0.001 mg/L at 1 L sample volume) |
| Accuracy | ±2% of full scale |
| Wavelength Resolution | 1 nm |
| Optical System | Czerny-Turner monochromator with holographic grating |
| Light Sources | Deuterium lamp (190–350 nm), Tungsten lamp (350–1100 nm) |
| Absorbance Range | –0.30 to 3.0 A |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±1 nm |
| Linearity (R²) | >0.999 |
| Sample Throughput | ≤8 min per sample (including extraction, phase separation, adsorption cleanup, and photometric measurement) |
| Sample Volume | 100–700 mL (user-selectable) |
| Extraction Solvent | HPLC-grade n-hexane (transmittance ≥90% at 225 nm) |
| Sample Capacity | 6–14 positions (configurable sequence, infinite loop mode supported) |
| Separation Method | Three-stage: liquid–liquid extraction → separation tube phase separation → hydrophobic membrane dehydration |
| Adsorbent Cleanup | Automated MgSiO₃ cartridge exchange with reverse-flush regeneration |
| Compliance | HJ 970–2018 “Determination of Petroleum Hydrocarbons in Water by Ultraviolet Spectrophotometry” |
| Software | Windows-compatible (XP and later), FDA 21 CFR Part 11–ready audit trail, GLP/GMP-compliant data handling, report export to PDF/Word/Excel |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | OilTech221 |
| Instrument Type | Portable |
| Measurement Principle | UV Absorption Spectrophotometry at 225 nm |
| Measurement Range | 0–60 mg/L |
| Detection Limit | 0.01 mg/L |
| Accuracy | ±2% |
| Resolution | 1 nm |
| Wavelength | Fixed 225 nm monochromatic |
| Light Source | DFB semiconductor laser (225 nm) |
| Detector | MSM photodetector |
| Stray Light | ≤0.1% T |
| Baseline Stability | ±0.002 A/h |
| Calibration Options | Single-point, multi-point (1–6 points), certified reference material-based |
| Preloaded Calibration Curves | ≥10 |
| Extraction Unit | Handheld, 3-speed adjustable |
| Filtration | Disposable magnesium silicate cartridge |
| Power | Dual rechargeable Li-ion batteries, 8 h continuous operation |
| Display | 5.5-inch capacitive touchscreen |
| Data Export | USB interface |
| Compliance | HJ 970–2018 (China) |
| Brand | Sipo Environment |
|---|---|
| Origin | Tianjin, China |
| Model | SP480 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Absorption Spectrophotometry (Triple-Wavenumber Method) |
| Wavenumber Range | 3400–2400 cm⁻¹ |
| Wavenumber Accuracy | ±1 cm⁻¹ |
| Wavenumber Repeatability | <±1 cm⁻¹ |
| Baseline Drift | ≤0.005 AU/60 min |
| Absorbance Range | 0.0000–2.0000 AU |
| Transmittance Accuracy | ±0.5% T |
| Linearity Correlation Coefficient | r > 0.999 |
| Measurement Accuracy | <±5% (5–80 mg/L, 4-cm cell) |
| Repeatability (RSD) | <2% (5–80 mg/L, 4-cm cell) |
| Detection Limit | 0.2 mg (absolute, 4-cm cell, standard oil) |
| Minimum Detectable Concentration | 0.002 mg/L (4-cm cell, 100× extraction enrichment) |
| Maximum Measurable Concentration | 64,000 mg/L (0.5-cm cell, 100× dilution) |
| Scan Time | 30 s (full spectrum), <2 s (non-dispersive mode) |
| Zero Stability | ±0.5 AU/60 min |
| Power Supply | AC 220 V ±10 V, 50/60 Hz, 70 W |
| Operating Environment | 0–35 °C, 10–90% RH |
| Dimensions | 450 × 240 × 100 mm |
| Weight | 10 kg |
| Compliance | GB/T 16488–1996, GB 18483–2001 |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-manufactured) |
| Model | OIL-450 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Infrared Absorption Spectrophotometry (C–H Stretching Band at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹) |
| Detection Limit | DL ≤ 0.06 mg/L (based on 11 replicate measurements of tetrachloroethylene blank |
| Accuracy | ±2% RSD for concentrations between 30–50 mg/L |
| Regulatory Compliance | HJ 637–2018, HJ 1051–2019, HJ 1077–2019 |
| Brand | Spectra Invent (Chinainvent) |
|---|---|
| Origin | Beijing, China |
| Model | OIL-460 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Principle | Infrared Absorption Spectrophotometry (Fourier-transform or dispersive, per HJ 637–2018) |
| Detection Limit | DL ≤ 0.06 mg/L (based on 11 measurements of C₂Cl₄ blank, 3σ criterion) |
| Accuracy | ±2% RSD for 30–50 mg/L standard solutions |
| Compliance | HJ 637–2018, HJ 1051–2019, HJ 1077–2019, GB 5084–2021, GB/T 5750.7–2023, GB 5085.6–2007 |
| Brand | Spectra Invent (Chinainvent) |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Absorption Spectrophotometry (C–H Stretching Band at 2960 cm⁻¹, 2930 cm⁻¹, and 2870 cm⁻¹) |
| Detection Limit | 0.06 mg/L |
| Accuracy | ±1% RSD (at 30–50 mg/L oil concentration) |
| Compliance | HJ 637–2018, HJ 1051–2019, HJ 1077–2019, GB 5084–2021, GB/T 5750.7–2023, GB 5085.6–2007 |
| Sample Matrix | Aqueous, soil extract, flue gas condensate, and edible oil-contaminated wastewater |
| Brand | Spectra Invent (Chinainvent) |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Spectrophotometry (Triple-Wavelength Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 3030 cm⁻¹) |
| Detection Limit | 0.06 mg/L |
| Accuracy | ≤1% RSD (at 30–50 mg/L) |
| Compliance | HJ 637–2018, HJ 1051–2019, HJ 1077–2019, GB 5084–2021, GB/T 5750.7–2023, GB 5085.6–2007 |
| Sample Preparation | Liquid–liquid extraction with tetrachloroethylene (C₂Cl₄), optional CCl₄ mode |
| Cell Pathlength | 4 cm quartz cuvette |
| Reagent Purity Check Function | Automated spectral validation of C₂Cl₄ at key wavenumbers |
| Baseline Stability | Real-time zero-point auto-adjustment |
| Calibration Options | Multi-point standard curve, coefficient-based calculation, single-point verification |
| Light Source | Thermally stabilized, electronically modulated IR source (≥5000 h lifetime) |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Model | OIL-490 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Absorption Spectrophotometry (C–H Stretching Band at 2941 cm⁻¹, 2960 cm⁻¹, and 2853 cm⁻¹) |
| Detection Limit | 0.06 mg/L |
| Accuracy | ±1% relative error (within 30–50 mg/L range) |
| Wavenumber Range | 3400–2400 cm⁻¹ (equivalent to 2941–4167 nm) |
| Linearity Coefficient | r > 0.999 |
| Compliance | HJ 637–2018, HJ 1051–2019, HJ 1077–2019 |
| Connectivity | Bluetooth 5.0, Wi-Fi 802.11 b/g/n, GPRS module for remote data upload to cloud database |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Model | OIL-510D |
| Instrument Type | Laboratory Benchtop Analyzer |
| Principle | Infrared Spectrophotometry (C–H Stretch Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹) |
| Measurement Range | 0–64,000 mg/L |
| Detection Limit | 0.06 mg/L |
| Accuracy | ≤ ±1% RSD (at 30–50 mg/L) |
| Resolution | 0.0005 mg/L |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Model | OIL-520A |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Ultraviolet (UV) Absorption Spectrophotometry (225 nm) |
| Detection Limit | 0.01 mg/L |
| Accuracy | ±2.0% (relative error vs. certified reference standards) |
| Sample Capacity | 10–14 positions on 360° motorized carousel |
| Sample Introduction | Dual-mode (fully automated + manual) |
| Volume Detection Method | Non-contact ultrasonic volumetric sensing |
| Sample Processing Architecture | Parallelized liquid handling (aspiration, extraction, volume measurement) |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | OIL-530 |
| Instrument Type | Laboratory-Based |
| Measurement Principle | Fluorescence Photometry |
| Measurement Range | 0–5 mg/L (with automatic dilution for over-range samples) |
| Detection Limit | 0.005 mg/L |
| Accuracy | ≤2% error |
| Resolution | 0.001 mg/L |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory-Based |
| Model | OIL-530P |
| Measurement Principle | Fluorescence Spectrophotometry |
| Measurement Range | 0–5 mg/L (with automatic dilution for over-range samples) |
| Detection Limit | 0.005 mg/L |
| Accuracy | ≤2% error |
| Optical Range | 200–900 nm |
| Monochromator Design | Dual-grating |
| Scan Speed | Up to 48,000 nm/min |
| Bandwidth Adjustment | Multi-step selectable |
| Sample Capacity | 10–14 positions on 360° rotatable sample carousel |
| Extraction Efficiency | ≥95% |
| Sample Vessel | Certified amber glass vials compliant with Chinese national standards (HJ 637–2018, GB/T 16488–1996) |
| Brand | Spectra Invent |
|---|---|
| Origin | Beijing, China |
| Model | OIL-580 |
| Instrument Type | Portable |
| Measurement Principle | Infrared Spectrophotometry |
| Detection Limit | 0.06 mg/L |
| Accuracy | ±2% (at 30–50 mg/L) |
| Compliance | HJ 637-2018, HJ 1051-2019, HJ 1077-2019 |
| Brand | Spectra Invent (Chinainvent) |
|---|---|
| Origin | Beijing, China |
| Model | OIL-610 |
| Principle | Infrared Spectrophotometry |
| Measurement Range | 0–64,000 mg/L (auto-dilution beyond range) |
| Detection Limit | 0.06 mg/L |
| Accuracy | ≤1.5% (at 30–50 mg/L) |
| Wavenumber Range | 3400–2400 cm⁻¹ (2941–4167 nm) |
| Absorbance Range | 0.0000–2.0000 AU |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ±1 cm⁻¹ |
| Precision (RSD) | ≤0.6% (at 30–50 mg/L) |
| Linearity (r) | >0.9995 |
| Sample Volume | 0–650 mL |
| Analysis Time | 8 min per sample |
| IP Rating | IP67 |
| Display | 10.5-inch Windows touchscreen with keyboard |
| Dimensions | 523 × 415 × 375 mm |
| Power | 220 V, 50 Hz, 50 W |
| Operating Environment | −5 to 45 °C, 20–85% RH |