Purity
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| Brand | Purity |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | BSK60 |
| Pricing | Available Upon Request |
| Construction Material | Stainless Steel |
| Included Tools | 1× Stainless Steel Spade, 1× Stainless Steel Rake, 1× Stainless Steel Hoe, 1× Small Stainless Steel Trowel, 1× Stainless Steel Scalpel-style Scoop, 1× Three-pronged Stainless Steel Probe, 2× Stainless Steel Pry Bars, 1× Durable Portable Carry Bag |
| Brand | Purity |
|---|---|
| Model | FluoroQuik |
| Origin | Beijing, China |
| Instrument Type | Fixed-Wavelength Dual-Channel In Vivo and Extracted Chlorophyll Fluorometer |
| Measurement Targets | Chlorophyll a (in vivo), Chlorophyll a (acetone-extracted, non-acidified), Phycocyanin (freshwater cyanobacteria), Phycoerythrin (marine cyanobacteria) |
| Optical Configuration | Single- or Dual-Channel |
| Detection Range | 0–10,000 µg/L (Chl a, PC, PE) |
| Sensitivity | 0.25 µg/L (Chl a), 100 cells/mL (cyanobacteria) |
| Resolution | 0.01 µg/L |
| Sample Volume | 500 µL |
| Sample Compatibility | Aqueous and organic solvent extracts (e.g., acetone, methanol) |
| Measurement Environment | Light-tight dark chamber |
| Dynamic Range | >6 decades |
| Output Units | µg/L, cells/mL, and relative fluorescence units (RFU) |
| RFU Modes | High-sensitivity and low-sensitivity dual-gain detection |
| Calibration | Two-point calibration |
| Compliance | EPA Method 445.0 |
| GB 17378.7–2007 (China National Standard for Marine Monitoring – Part 7 | Determination of Chlorophyll a by Fluorometric Spectrophotometry) |
| Display | 3.5″ capacitive LCD touchscreen with bilingual (Chinese/English) firmware |
| Power Supply | 4 × AA batteries or 5 V DC adapter |
| Data Storage | 3 × 80 measurement records |
| Interface | USB 2.0 for data export and firmware update |
| Dimensions (L×W×H) | 185 × 90 × 35 mm |
| Weight | <350 g |
| Brand | Purity |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Fluoroquik-D |
| Pricing | Available Upon Request |
| Measurement Principle | Single- or Dual-Channel UV-Induced Fluorescence Detection |
| Target Analytes | Fluorescein, Rhodamine WT, Optical Brighteners (e.g., Tinopal CBS-X), PTSA (8-Hydroxy-1,3,6-Pyrenetrisulfonic Acid) |
| Detection Range | 0–15,000 ppb |
| Sensitivity | 0.1 ppb |
| Resolution | 0.01 ppb |
| Sample Volume | 500 µL |
| Dynamic Range | > 6 decades |
| Output Units | Concentration (ppb) and Relative Fluorescence Units (RFU) |
| Calibration | Two-Point Standard Calibration |
| Excitation/Emission | Fixed-wavelength LED-based optical path (specific λ not disclosed |
| Power Supply | 4× AA batteries or 5 V DC adapter |
| Interface | USB 2.0 |
| Data Storage | 3 × 80 measurement records |
| Display | Backlit LCD touchscreen with multilingual UI support (including Chinese) |
| Dimensions (L×W×H) | 185 mm × 90 mm × 35 mm |
| Enclosure | IP65-rated ruggedized housing for field deployment |
| Brand | Purity |
|---|---|
| Origin | USA |
| Model | Fluoroquik-O |
| Instrument Type | Portable |
| Measurement Principle | Ultraviolet Fluorescence (UV-FL) |
| Measurement Range | 0–5000 mg/L (oil in water) |
| Detection Limit | 0.1 mg/L (for Mobil DTE 220 oil) |
| CDOM Range | 0–1000 ng/L |
| Sensitivity Modes | High- and Low-Fluorescence RFU |
| Calibration | 2-point |
| Compliance | EPA Method 1664, GB 17378.4–2007 |
| Sample Vessel | 200 µL quartz or borosilicate glass cuvette |
| Optical Configuration | Single- or dual-channel |
| Dynamic Range | > 6 decades |
| Data Storage | 3 × 80 measurements |
| Interface | Touchscreen LCD with optional Chinese menu |
| Power | 4 × AA batteries or 5 V DC adapter |
| Dimensions | 185 × 90 × 35 mm |
| Connectivity | USB |
| Brand | Purity |
|---|---|
| Origin | USA |
| Model | LQ800 |
| Instrument Type | Online Multi-Ion Analyzer |
| Max Sensor Channels | 8 |
| Response Time | 10 s |
| Operating Temperature Range | 0–80 °C |
| Enclosure Rating | NEMA 4X / IP65 |
| Display | 120 mm × 90 mm Color Touchscreen |
| Power Supply | 110–240 VAC / 80 VA / 50–60 Hz or 24 VDC |
| Dimensions | 43 cm × 30 cm × 23 cm |
| Weight | 9 kg |
| Analog Outputs | Eight 4–20 mA |
| Digital Communication | Ethernet |
| Data Storage | Removable USB-compatible SD card |
| Relay Outputs | Eight configurable SPDT relays (15 A, 250 VAC resistive) |
| Compatible Parameters | pH, ORP, Conductivity, Salinity, Dissolved Oxygen, Turbidity, TSS, TDS, and >20 ISE-based ions |
| Brand | Purity |
|---|---|
| Origin | Beijing, China |
| Model | PF-R, PF-NR |
| Compliance | GB 17378.7–2007 |
| Length | 195 mm (PF-R), 215 mm (PF-NR) |
| Impeller Diameter | 75 mm |
| Connection | Dual-point mounting |
| Counter | 7-digit mechanical register |
| Flow Direction Handling | PF-R — bidirectional (reverse rotation enabled) |
| Brand | Purity |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | MPN |
| Instrument Type | Manual Trawl Sampler |
| Sampling Method | Surface Towed Net Sampling |
| Net Opening Dimensions | 1.0 m × 0.5 m or 1.2 m × 0.6 m |
| Net Length | 2.0 m |
| Mesh Aperture | 150 µm |
| Frame Material | 316 Stainless Steel |
| Stabilizing Wings | Adjustable vertical position, detachable, integrated buoyancy modules |
| Customization | Available for alternative mesh sizes and net dimensions |
| Brand | Purity |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Beijing Purity Instrument Co., Ltd. |
| Model | PTN-SW |
| Net Length | 145 cm |
| Mouth Diameter | 50 cm |
| Hoop Material | 10 mm stainless steel rod |
| Mesh Size | 0.505 mm |
| Bottom Tube | 316 stainless steel |
| Max Operating Depth | ≤30 m |
| Sampling Method | Vertical or Stratified Manual Towing |
| Optional Accessories | 5 kg / 10 kg 316 stainless steel sinker |
| Brand | Purity |
|---|---|
| Origin | Beijing, China |
| Model | PTN-DW / PTN-DW1 / PTN-DW2 / PTN-DW3 |
| Net Length | 280 cm |
| Mouth Diameter (PTN-DW) | 80 cm |
| Mouth Diameter (PTN-DW1) | 80 cm |
| Mouth Diameter (PTN-DW2) | 50 cm |
| Mouth Diameter (PTN-DW3) | 37 cm |
| Mesh Aperture (PTN-DW) | 0.505 mm |
| Mesh Aperture (PTN-DW1) | 0.505 mm |
| Mesh Aperture (PTN-DW2) | 0.160 mm |
| Mesh Aperture (PTN-DW3) | 0.077 mm |
| Hoop Material | Stainless Steel |
| Cod-end Tube | Stainless Steel with Copper Valve |
| Head Cone (DW2/DW3) | Canvas |
| Upper/Lower Cone Diameters (DW2) | 50 cm / 72 cm |
| Upper/Lower Cone Diameters (DW3) | 37 cm / 50 cm |
| Brand | Purity |
|---|---|
| Origin | USA |
| Model | DO90 |
| Resolution | 0.1 ppb |
| Measurement Range | 0.001–20 ppb or mg/L (ppm) |
| Repeatability | ±1% FS |
| Stability | ±1% FS |
| Temperature Compensation | Yes |
| Communication Interface | 4–20 mA analog output |
| Dimensions | 43 cm × 30 cm panel-mount enclosure |
| Operating Ambient Temperature | −5 to 50 °C |
| Measurement Principle | Clark-type polarographic (membrane-covered electrochemical cell) |
| Electrode Materials | Ag cathode, Pb anode |
| Membrane | PFA (2 mil thickness) |
| Housing | AISI 316 Ti stainless steel |
| Flow Requirement | ≥200 mL/min |
| Max Cable Length | 100 m |
| Drift | <1% per month |
| Pressure Rating | 0–15 psi (gauge), non-vacuum rated |
| Brand | Purity |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | WB-PE |
| Instrument Type | Portable Manual Water Sampler |
| Sampling Method | Depth-Targeted Quantitative Sampling |
| Sample Volumes | 1000 mL, 2500 mL, 5000 mL |
| Maximum Sampling Depth | 0–100 m |
| Bottle Material | Optical-Grade Acrylic (PMMA) |
| Impact Protection Shell | Rigid PVC |
| Structural Reinforcement Rod | AISI 304 Stainless Steel |
| Integrated Thermometer Range | −2 °C to 50 °C |
| Compliance | Designed for ASTM D3370, ISO 5667-10, and EPA Method 1664B field sampling protocols |