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| 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 (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 |
|---|---|
| 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-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 |
| 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 |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | OIL-710 |
| Instrument Type | Portable |
| Measurement Principle | Infrared Spectrophotometry (C–H Stretch Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹) |
| Measurement Range | 0.0–1000 mg/L |
| Detection Limit | 0.1 mg/L |
| Accuracy | ≤ ±5% RSD |
| Measurement Cycle Time | 10 seconds per sample |
| Compliance | Designed to meet core requirements of EPA Method 1664A, ISO 9377-2, and HJ 637–2018 (China) |
| 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 (Chinainvent) |
|---|---|
| Origin | Beijing, China |
| Model | OIL-630 |
| Principle | Fluorescence Spectrophotometry |
| Measurement Range | 0–5 mg/L (auto-dilution beyond range) |
| Detection Limit | 0.005 mg/L (instrumental), 0.001 mg/L (method) |
| Accuracy | ≤2.0% error |
| Resolution | 0.001 mg/L |
| Excitation Wavelength | 310 nm ±1 nm |
| Emission Wavelength | 360 nm |
| Optical Path | 1 cm quartz fluorescence cuvette |
| Linearity | r > 0.999 |
| Repeatability | RSD ≤2.0% |
| Sample Volume | 0–600 mL |
| Analysis Time | 8 min per sample |
| IP Rating | IP67 |
| Dimensions | 650 × 500 × 330 mm |
| Power | 220 V, 50 Hz, 50 W |
| Operating Temp/Humidity | –5 to 45 °C / 20–85 % RH |
| Battery Life | Up to 8 h continuous operation |
| Brand | Spectra Invent |
|---|---|
| Origin | Zhejiang, China |
| Model | OIL-620M |
| Instrument Type | Portable |
| Measurement Principle | Ultraviolet Spectrophotometry (UV-Vis) |
| Measurement Range | 0–60 mg/L |
| Detection Limit | ≤0.005 mg/L |
| Accuracy | ±2% of reading |
| Resolution | ≤0.001 mg/L |
| Compliance | HJ 970–2018, GB 5084–2021 |
| Dimensions | 428 × 350 × 230 mm |
| Weight | <15 kg |
| 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-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 (Chinainvent) |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Laboratory |
| Principle | Ultraviolet Spectrophotometry |
| Measurement Range | 0–50 mg/L (auto-dilution beyond range) |
| Detection Limit | DL ≤ 0.005 mg/L (3×SD of 11 measurements in n-hexane blank) |
| Accuracy | ±2.0% |
| Compliance | HJ 970–2018, GB 5084–2021 |
| Sample Vessel Compatibility | Adjustable for multiple standard sampling cup sizes (no sample transfer required) |
| 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-680 |
| Instrument Type | Portable |
| Measurement Principle | UV Spectrophotometry |
| Detection Limit (Method) | 0.01 mg/L |
| Accuracy | ±2.0% |
| Wavelength Range | 190–1000 nm |
| Test Wavelength | 225 nm |
| Wavelength Accuracy | ±1.5 nm |
| Wavelength Repeatability | ≤0.5 nm |
| Resolution | 0.0002 mg/L |
| Instrument Detection Limit (IDL) | ≤0.005 mg/L (3×SD of n=11 n-hexane blank) |
| Precision (RSD) | ≤0.6% |
| Linearity (r) | >0.9995 |
| Extraction Capacity | 4 simultaneous samples |
| Ingress Protection | IP67 |
| Dimensions (L×W×H) | 490 × 370 × 210 mm |
| Power Supply | 220 V, 50 Hz, 50 W |
| Operating Temperature | −5 to +45 °C |
| Operating Humidity | 20–85 % RH |
| Battery Runtime | >8 h continuous operation |
| 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 |
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