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Beijing Huaxia Puchuang Instrument Co., Ltd.

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BrandSpectra Invent
OriginBeijing, China
ModelOIL-490
Instrument TypeLaboratory Benchtop Analyzer
Measurement PrincipleInfrared Absorption Spectrophotometry (C–H Stretching Band at 2941 cm⁻¹, 2960 cm⁻¹, and 2853 cm⁻¹)
Detection Limit0.06 mg/L
Accuracy±1% relative error (within 30–50 mg/L range)
Wavenumber Range3400–2400 cm⁻¹ (equivalent to 2941–4167 nm)
Linearity Coefficientr > 0.999
ComplianceHJ 637–2018, HJ 1051–2019, HJ 1077–2019
ConnectivityBluetooth 5.0, Wi-Fi 802.11 b/g/n, GPRS module for remote data upload to cloud database
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BrandSpectra Invent (Chinainvent)
OriginBeijing, China
ModelOIL-460
Instrument TypeLaboratory Benchtop Analyzer
PrincipleInfrared Absorption Spectrophotometry (Fourier-transform or dispersive, per HJ 637–2018)
Detection LimitDL ≤ 0.06 mg/L (based on 11 measurements of C₂Cl₄ blank, 3σ criterion)
Accuracy±2% RSD for 30–50 mg/L standard solutions
ComplianceHJ 637–2018, HJ 1051–2019, HJ 1077–2019, GB 5084–2021, GB/T 5750.7–2023, GB 5085.6–2007
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BrandSpectra Invent
OriginBeijing, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China-manufactured)
ModelOIL-450
Instrument TypeBenchtop Laboratory Analyzer
Measurement PrincipleInfrared Absorption Spectrophotometry (C–H Stretching Band at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹)
Detection LimitDL ≤ 0.06 mg/L (based on 11 replicate measurements of tetrachloroethylene blank
Accuracy±2% RSD for concentrations between 30–50 mg/L
Regulatory ComplianceHJ 637–2018, HJ 1051–2019, HJ 1077–2019
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BrandSpectra Invent
OriginZhejiang, China
ModelHXGW-1640
Instrument TypePortable/Handheld Water Quality Analyzer
Detection PrincipleOptical (LED-based narrow-band interference photometry) + Electrochemical (pH, conductivity, dissolved oxygen)
Optical Channels4 / 8 / 12 / 16 (customizable from 1 to 16)
Wavelength Options340 nm, 420 nm
Data StorageTimestamped & parameter-tagged records with power-loss protection
CalibrationFactory pre-loaded curves + user-definable calibration curves (stored onboard)
ConnectivityUSB interface for PC data export
Power SupplyRechargeable lithium-ion battery
Optional AccessoriesIntegrated portable digestion unit
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BrandSpectra Invent (Chinainvent)
OriginBeijing, China
ModelOIL-610
PrincipleInfrared Spectrophotometry
Measurement Range0–64,000 mg/L (auto-dilution beyond range)
Detection Limit0.06 mg/L
Accuracy≤1.5% (at 30–50 mg/L)
Wavenumber Range3400–2400 cm⁻¹ (2941–4167 nm)
Absorbance Range0.0000–2.0000 AU
Wavelength Accuracy±2 nm
Wavelength Repeatability±1 cm⁻¹
Precision (RSD)≤0.6% (at 30–50 mg/L)
Linearity (r)>0.9995
Sample Volume0–650 mL
Analysis Time8 min per sample
IP RatingIP67
Display10.5-inch Windows touchscreen with keyboard
Dimensions523 × 415 × 375 mm
Power220 V, 50 Hz, 50 W
Operating Environment−5 to 45 °C, 20–85% RH
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BrandSpectra Invent
OriginBeijing, China
ModelOIL-580
Instrument TypePortable
Measurement PrincipleInfrared Spectrophotometry
Detection Limit0.06 mg/L
Accuracy±2% (at 30–50 mg/L)
ComplianceHJ 637-2018, HJ 1051-2019, HJ 1077-2019
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BrandSpectra Invent
ModelHXEMP-4B
OriginZhejiang, China
Instrument TypeBenchtop Laboratory Water Quality Analyzer
Primary Measurement PrincipleColorimetric Spectrophotometry (Visible Range, 420–650 nm)
Key ParametersCOD (Cr method, low/high range), Ammonia-N (dual-range), CODMn, Free/Total Chlorine, Chlorine Dioxide, Sulfate, Nitrate-N, Phosphate, Nitrite-N, Sulfide, Fluoride, Cyanide, Bromide, Formaldehyde, Volatile Phenols, Hydrazine, Aniline Derivatives — all via pre-calibrated, EPA- and ISO-compliant colorimetric methods
Accuracy±5% of reading or ±0.05–0.2 mg/L (depending on parameter and range)
ComplianceDesigned to support ASTM D1253, ISO 8467, ISO 7890, ISO 6777, USP <643>, and Chinese HJ Standards (e.g., HJ/T 399–2007, HJ 535–2009, HJ 536–2009)
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BrandSpectra Invent
OriginZhejiang, China
Manufacturer TypeAuthorized Distributor
Country of ManufactureChina
ModelOIL-710
Instrument TypePortable
Measurement PrincipleInfrared Spectrophotometry (C–H Stretch Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹)
Measurement Range0.0–1000 mg/L
Detection Limit0.1 mg/L
Accuracy≤ ±5% RSD
Measurement Cycle Time10 seconds per sample
ComplianceDesigned to meet core requirements of EPA Method 1664A, ISO 9377-2, and HJ 637–2018 (China)
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BrandSpectraInvent
ModelHXPMP-4C / HXPMP-8C
TypeHandheld, Field-Deployable Water Quality Analyzer
OriginZhejiang, China
Measurement PrincipleColorimetric + Electrochemical + Optical (Turbidity/Color)
Parameters43–72 analytes including ClO₂⁻, cyanuric acid, urea, Cu²⁺ (LR/HR), Zn²⁺, Ni²⁺ (trace & total), Fe²⁺/Fe³⁺, Cr⁶⁺, Cd²⁺, Mn²⁺ (trace & total), Al³⁺ (LR/HR), Ag⁺, Mo⁶⁺, As³⁺/As⁵⁺ (LR/HR), Be²⁺, B³⁺, Hg²⁺, Pb²⁺, Sb³⁺, color (PCU), turbidity (NTU), TSS, pH (colorimetric & electrode), DO (colorimetric & electrochemical), EC, TDS
Accuracy±3–5% F.S. (colorimetric)
ComplianceDesigned for field use in accordance with ASTM D1293 (pH), ASTM D3370 (DO), ISO 7027 (turbidity), EPA Method 365.3 (phosphate), and compatible with GLP data logging workflows
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BrandSpectra Invent
OriginBeijing, China
ModelOIL-520A
Instrument TypeLaboratory Benchtop Analyzer
Measurement PrincipleUltraviolet (UV) Absorption Spectrophotometry (225 nm)
Detection Limit0.01 mg/L
Accuracy±2.0% (relative error vs. certified reference standards)
Sample Capacity10–14 positions on 360° motorized carousel
Sample IntroductionDual-mode (fully automated + manual)
Volume Detection MethodNon-contact ultrasonic volumetric sensing
Sample Processing ArchitectureParallelized liquid handling (aspiration, extraction, volume measurement)
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BrandSPECTRA INVENT
OriginBeijing, China
Manufacturer TypeAuthorized Distributor
Country of OriginChina
ModelTETHYS-UV500
Instrument TypeOnline Water Quality Analyzer
Measurable ParametersOil-in-Water (via UV-induced fluorescence), Ammonia-Nitrogen (as NH₃), Hydrogen Sulfide (as H₂S), COD/BOD/TOC (indirect correlation), Nitrate, Phosphate, Color, Turbidity
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BrandSpectra Invent
ModelHX-3612
Detection PrinciplePotassium Dichromate Reflux Titration (Compliant with HJ 828–2017)
ApplicationSurface Water, Domestic Wastewater, Industrial Effluent
Instrument TypeBenchtop Laboratory COD Analyzer
Sample ThroughputBatch-mode automated analysis
Reagent HandlingNine independent peristaltic pumps with feedback-controlled volumetric dispensing
Endpoint DetectionOptical colorimetric titration (simulated human visual discrimination)
Data OutputLocal database storage + LIMS integration
Safety ComplianceMercury-free handling protocol support, enclosed digestion/delivery path, fume-resistant reagent manifold
OriginZhejiang, China
Regulatory AlignmentDesigned for GLP/GMP-aligned laboratories
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BrandSpectra Invent
OriginZhejiang, China
ModelOIL-560
PortabilityPortable
Detection PrincipleInfrared Spectrophotometry (Triple-Wavelength Absorption at 2930 cm⁻¹, 2960 cm⁻¹, 3030 cm⁻¹)
Sample Processing Capacity12-position automated extraction
Interface10-inch Windows-based touch display
ComplianceDesigned for EPA Method 202 / HJ 637-2018 / ISO 12103-1 (adapted)
Application ScopeStationary source emission monitoring, kitchen exhaust, metalworking fluid mist, food processing fumes
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BrandSPECTRA INVENT (Chinainvent)
OriginBeijing, China
ModelOIL-630
PrincipleFluorescence Spectrophotometry
Measurement Range0–5 mg/L (auto-dilution beyond range)
Detection Limit0.005 mg/L (instrumental), 0.001 mg/L (method)
Accuracy≤2.0% error
Resolution0.001 mg/L
Excitation Wavelength310 nm ±1 nm
Emission Wavelength360 nm
Optical Path1 cm quartz fluorescence cuvette
Linearityr > 0.999
RepeatabilityRSD ≤2.0%
Sample Volume0–600 mL
Analysis Time8 min per sample
IP RatingIP67
Dimensions650 × 500 × 330 mm
Power220 V, 50 Hz, 50 W
Operating Temp/Humidity–5 to 45 °C / 20–85 % RH
Battery LifeUp to 8 h continuous operation
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BrandSpectra Invent
OriginZhejiang, China
ModelOIL-620M
Instrument TypePortable
Measurement PrincipleUltraviolet Spectrophotometry (UV-Vis)
Measurement Range0–60 mg/L
Detection Limit≤0.005 mg/L
Accuracy±2% of reading
Resolution≤0.001 mg/L
ComplianceHJ 970–2018, GB 5084–2021
Dimensions428 × 350 × 230 mm
Weight<15 kg
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BrandSpectra Invent
OriginBeijing, China
Manufacturer TypeAuthorized Distributor
Instrument TypeLaboratory-Based
ModelOIL-530P
Measurement PrincipleFluorescence Spectrophotometry
Measurement Range0–5 mg/L (with automatic dilution for over-range samples)
Detection Limit0.005 mg/L
Accuracy≤2% error
Optical Range200–900 nm
Monochromator DesignDual-grating
Scan SpeedUp to 48,000 nm/min
Bandwidth AdjustmentMulti-step selectable
Sample Capacity10–14 positions on 360° rotatable sample carousel
Extraction Efficiency≥95%
Sample VesselCertified amber glass vials compliant with Chinese national standards (HJ 637–2018, GB/T 16488–1996)
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BrandSpectra Invent
OriginBeijing, China
ModelOIL-510D
Instrument TypeLaboratory Benchtop Analyzer
PrincipleInfrared Spectrophotometry (C–H Stretch Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹)
Measurement Range0–64,000 mg/L
Detection Limit0.06 mg/L
Accuracy≤ ±1% RSD (at 30–50 mg/L)
Resolution0.0005 mg/L
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BrandSPECTRA INVENT (Chinainvent)
OriginBeijing, China
Instrument TypeLaboratory
PrincipleUltraviolet Spectrophotometry
Measurement Range0–50 mg/L (auto-dilution beyond range)
Detection LimitDL ≤ 0.005 mg/L (3×SD of 11 measurements in n-hexane blank)
Accuracy±2.0%
ComplianceHJ 970–2018, GB 5084–2021
Sample Vessel CompatibilityAdjustable for multiple standard sampling cup sizes (no sample transfer required)
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BrandSpectra Invent (Chinainvent)
OriginBeijing, China
Instrument TypeLaboratory Benchtop Analyzer
Measurement PrincipleInfrared Absorption Spectrophotometry (C–H Stretching Band at 2960 cm⁻¹, 2930 cm⁻¹, and 2870 cm⁻¹)
Detection Limit0.06 mg/L
Accuracy±1% RSD (at 30–50 mg/L oil concentration)
ComplianceHJ 637–2018, HJ 1051–2019, HJ 1077–2019, GB 5084–2021, GB/T 5750.7–2023, GB 5085.6–2007
Sample MatrixAqueous, soil extract, flue gas condensate, and edible oil-contaminated wastewater
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BrandSpectra Invent (Chinainvent)
OriginBeijing, China
Instrument TypeLaboratory Benchtop Analyzer
Measurement PrincipleInfrared Spectrophotometry (Triple-Wavelength Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 3030 cm⁻¹)
Detection Limit0.06 mg/L
Accuracy≤1% RSD (at 30–50 mg/L)
ComplianceHJ 637–2018, HJ 1051–2019, HJ 1077–2019, GB 5084–2021, GB/T 5750.7–2023, GB 5085.6–2007
Sample PreparationLiquid–liquid extraction with tetrachloroethylene (C₂Cl₄), optional CCl₄ mode
Cell Pathlength4 cm quartz cuvette
Reagent Purity Check FunctionAutomated spectral validation of C₂Cl₄ at key wavenumbers
Baseline StabilityReal-time zero-point auto-adjustment
Calibration OptionsMulti-point standard curve, coefficient-based calculation, single-point verification
Light SourceThermally stabilized, electronically modulated IR source (≥5000 h lifetime)
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BrandSpectra Invent
OriginZhejiang, China
ModelHXHMP-1600
Instrument TypeLaboratory Water Quality Analyzer
Optical Channels4 / 8 / 12 / 16 (customizable from 1–16)
Wavelength Options340, 420, 470, 520, 540, 560, 610, 660, 680, 700 nm
Wavelength Accuracy±1 nm
Photometric Linearity±0.002 A (0–1 A)
Absorbance Range–2.000 to +2.000 A
Photometric Accuracy±0.005 A per 1 A
Light SourceImported High-Performance LED
DetectorSilicon Photodiode Sensor
Display5-inch Color Touchscreen (Bilingual: English/Chinese)
Power SupplyAC 220 V (165–240 V), 30 W
Dimensions400 × 310 × 158 mm
Weight5 kg
Operating Environment5–40 °C, ≤85% RH
Storage Environment–40–60 °C, ≤85% RH
CalibrationBuilt-in Auto-Calibration Function
Curve Storage Capacity3,500 curves
Data Log Capacity100,000 records
Light Intensity Adjustment16-level programmable
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BrandSpectra Invent
OriginBeijing, China
ModelOIL-680
Instrument TypePortable
Measurement PrincipleUV Spectrophotometry
Detection Limit (Method)0.01 mg/L
Accuracy±2.0%
Wavelength Range190–1000 nm
Test Wavelength225 nm
Wavelength Accuracy±1.5 nm
Wavelength Repeatability≤0.5 nm
Resolution0.0002 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 Capacity4 simultaneous samples
Ingress ProtectionIP67
Dimensions (L×W×H)490 × 370 × 210 mm
Power Supply220 V, 50 Hz, 50 W
Operating Temperature−5 to +45 °C
Operating Humidity20–85 % RH
Battery Runtime>8 h continuous operation
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BrandSpectra Invent
OriginBeijing, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelOIL-530
Instrument TypeLaboratory-Based
Measurement PrincipleFluorescence Photometry
Measurement Range0–5 mg/L (with automatic dilution for over-range samples)
Detection Limit0.005 mg/L
Accuracy≤2% error
Resolution0.001 mg/L
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