Environmental Monitoring Instruments
Filter
Showing 2281–2310 of 2384 results
| Brand | Yetuo |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YT-2810 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Display | 5.0-inch color TFT touchscreen (Chinese UI) |
| Measurement Range | 0–200 µg/L or 0–2000 µg/L (selectable) |
| Accuracy | ±2% of Full Scale |
| Resolution | 0.1 µg/L |
| Repeatability | ≤1% |
| Drift | ±1% F.S./4 h |
| Light Source | Imported monochromatic cold LED |
| Method | Standard colorimetric analysis per Chinese national standard (1,10-phenanthroline method for phosphate |
| Dimensions | 270 mm × 200 mm × 190 mm |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Power Consumption | 30 W |
| Operating Temperature | 5–45 °C |
| Operating Humidity | <90% RH (non-condensing) |
| Weight | 4 kg |
| Brand | YINHEKEJI |
|---|---|
| Origin | Jiangsu, China |
| Model | FCD-50 Standard |
| Power Supply | DC 7.4 V / 8800 mAh Li-ion rechargeable battery |
| Adjustable Flow Rates | 1–10 L/min, 5–25 L/min, or 5–30 L/min (user-selectable) |
| Maximum Negative Pressure | >1000 Pa (metal vane pump) |
| Flowmeter Accuracy | ±2.5% F.S. |
| Flow Stability | ≤5% |
| Timing Accuracy | ±0.01% |
| Operating Noise | <75 dB(A) |
| Ambient Temperature Range | −10 °C to +40 °C |
| Relative Humidity | <95% RH |
| Charging Current | 1000 mA |
| Continuous Operation Time | >8 h |
| Dimensions (L×W×H) | 220 × 135 × 150 mm |
| Weight | 3.5 kg |
| Sampling Modes | Total dust (standard), respirable dust (optional) |
| Display | LCD with menu-driven interface |
| Timer Functions | Programmable start/stop, pause/resume, real-time elapsed time, end-of-sampling alert |
| Brand | Azure Cloud & Wind Confluence |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | YL-CJQ |
| Instrument Category | Specialized Entomological Weather Station |
| Price | USD 700 (FOB Jiangsu) |
| Brand | Azure Cloud & Wind Confluence |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YL-WS |
| Instrument Type | Handheld Weather Station |
| Price | USD 420 (FOB Jiangsu) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-231 |
| Instrument Type | Portable |
| Measurement Principles | Potentiometric (pH/mV), Conductometric (Conductivity/TDS/Salinity/Resistivity), Electrochemical (Galvanic or Polarographic Dissolved Oxygen) |
| pH Range | 0.00–14.00 |
| pH Accuracy | ±0.01 |
| pH Repeatability | ≤±0.01 |
| Conductivity Range | 0.000 μS/cm – 2000 mS/cm |
| Conductivity Accuracy | ±0.5% FS |
| Conductivity Repeatability | ≤±0.2% |
| Conductivity Detection Limit | 0.01 μS/cm |
| Dissolved Oxygen Range | 0.00–99.00 mg/L |
| DO Accuracy | ±0.2 mg/L |
| DO Repeatability | ≤±0.1 mg/L |
| DO Detection Limit | 0.01 mg/L |
| Temperature Compensation | Automatic & Manual |
| IP Rating | IP54 |
| Display | 7-inch full-color capacitive touchscreen |
| Data Management | Onboard storage, statistical analysis, audit-trail-capable export, GMP-compliant operation |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-403 |
| Measurement Parameters | pH (0.00–14.00), Conductivity (0.000 µS/cm–200 mS/cm), Dissolved Oxygen (0.00–99.00 mg/L), Temperature (−5.0–55.0 °C) |
| Accuracy | pH ±0.01, Conductivity ±0.5% FS, DO ±0.2 mg/L |
| Repeatability | pH ≤±0.01, Conductivity ≤±0.2% FS, DO ≤±0.1 mg/L |
| Detection Limits | Conductivity 0.01 µS/cm, DO 0.01 mg/L |
| Display | 7-inch color capacitive touchscreen |
| Compliance | IP54 rated enclosure, GMP-compliant data handling with audit trail support |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-501 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching (Optical) |
| DO Range | 0–50.00 mg/L |
| Accuracy | ±0.1 mg/L |
| Repeatability | ≤±0.05 mg/L |
| Detection Limit | 0.01 mg/L |
| Display | 7-inch color capacitive touchscreen |
| DO Resolution | 0.01 mg/L (at <10 mg/L), 0.1 mg/L (at ≥10 mg/L) |
| Temperature Compensation | Automatic & Manual |
| IP Rating | IP54 |
| Data Management | Onboard statistics, audit trail, firmware update, power-fail recovery, factory reset |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-503 |
| Measurement Principles | Potentiometric (pH/mV), Conductometric (EC/TDS/Salinity/Resistivity), Fluorescence-based Optical Dissolved Oxygen (DO) |
| pH Range | 0.00–14.00 |
| EC Range | 0.00–200.0 mS/cm |
| DO Range | 0.00–99.00 mg/L |
| Temperature Range | −5.0–55.0 °C |
| pH Accuracy | ±0.01 pH |
| EC Accuracy | ±0.5% FS |
| DO Accuracy | ±0.2 mg/L |
| pH Repeatability | ≤±0.01 pH |
| EC Repeatability | ≤±0.2% |
| DO Repeatability | ≤±0.1 mg/L |
| EC Detection Limit | 0.01 μS/cm |
| DO Detection Limit | 0.01 mg/L |
| Display | 7-inch color capacitive touchscreen |
| Protection Rating | IP54 |
| Power | Rechargeable Li-ion battery with USB-C and external power input |
| Connectivity | Integrated Bluetooth 5.0, USB data export, PC/mobile app support |
| Compliance | Designed for GLP/GMP-aligned workflows with audit-trail-capable data logging, firmware upgradability, and factory reset capability |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-701 |
| Instrument Type | Portable |
| Measurement Principle | Potentiometric (Ion-Selective Electrode, ISE) |
| pH Range | –2.00 to 20.00 pH/pX |
| mV Range | –1999.9 to +1999.9 mV |
| pH Resolution | 0.01 pH (selectable down to 0.001 pH) |
| mV Resolution | 0.1 mV (selectable down to 0.01 mV) |
| Accuracy | pH ±0.01 pH |
| Repeatability | ≤±0.5% |
| Detection Limit | 0.01 mg/L |
| Temperature Compensation | Automatic & Manual |
| IP Rating | IP54 |
| Compliance | GMP-aligned data integrity features |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-201 |
| Instrument Type | Portable |
| Measurement Principle | Potentiometric (Glass Electrode) |
| pH Range | −2.00 to 20.00 pH |
| pH Resolution | 0.1 / 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±1 mV |
| pH Repeatability | ≤±0.01 pH |
| mV Repeatability | ≤±1 mV |
| Temperature Compensation | Automatic & Manual |
| Calibration Options | 1–3 point, with auto-buffer recognition |
| Built-in Buffers | 15 standard buffers across 3 groups |
| Display | 7-inch color TFT capacitive touchscreen |
| Language Support | English & Chinese |
| User Interface | Graphical, glove-compatible, UV-resistant, scratch-resistant, auto-dimming |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-231 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based Dissolved Oxygen (DO), Potentiometric pH, Conductivity (4-electrode or 2-electrode, selectable) |
| DO Range | 0–99.00 mg/L |
| DO Accuracy | ±0.2 mg/L |
| DO Detection Limit | 0.01 mg/L |
| pH Accuracy | ±0.01 pH |
| pH Range | −2.00 to 20.00 pH |
| pH Resolution | 0.001 / 0.01 / 0.1 pH (user-selectable) |
| mV Resolution | 0.01 / 0.1 / 1 mV (user-selectable) |
| Conductivity Accuracy | ±0.5% FS |
| Conductivity Detection Limit | 0.01 µS/cm |
| Conductivity Calibration | Built-in 8 standard solutions (ISO/ASTM-compliant), 1-point user calibration supported |
| Repeatability | DO ≤ ±0.1 mg/L |
| Temperature Compensation | Automatic (NTC 30kΩ) and manual modes |
| Data Management | Onboard statistical analysis (min/max/avg/stdev), audit-trail-capable storage, GLP/GMP-compliant data logging with timestamp, user ID, and electrode status metadata |
| Enclosure Rating | IP54 |
| Display | 7-inch capacitive color touchscreen with glove-compatible operation, UV-resistant, scratch-resistant surface, adjustable brightness and auto-dimming |
| Power | Rechargeable Li-ion battery (≥16 h continuous use), AC adapter included |
| Compliance | Meets ISO 5814 (DO by optical method), ASTM D888, USP <643>, and relevant Chinese national standards (e.g., HJ 506-2009 for DO |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-241 |
| Instrument Type | Portable |
| Measurement Principles | Potentiometric (pH/mV), Electrochemical Polarographic (Dissolved Oxygen), Conductometric (Conductivity) |
| pH Range | −2.00 to 20.00 pH |
| pH Accuracy | ±0.01 pH |
| pH Repeatability | ≤±0.01 pH |
| Dissolved Oxygen Range | 0.00–99.00 mg/L |
| Dissolved Oxygen Accuracy | ±0.2 mg/L |
| Dissolved Oxygen Detection Limit | 0.01 mg/L |
| Conductivity Range | 0.00 µS/cm–200.0 mS/cm |
| Conductivity Accuracy | ±0.5% FS |
| Conductivity Detection Limit | 0.01 µS/cm |
| Temperature Range | −5.0 to 55.0 °C |
| Temperature Accuracy | ±0.2 °C |
| IP Rating | IP54 |
| Display | 7-inch color TFT capacitive touchscreen |
| Data Management | Onboard statistical analysis, timestamped storage, export via USB, GLP-compliant audit trail support |
| Calibration | Auto-buffer recognition (15 built-in buffers across 3 groups), 1–3-point user-defined pH calibration with slope & status display, automatic DO salinity & atmospheric pressure compensation, ATC/MTC |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-301 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based DO detection & Potentiometric pH measurement |
| pH Range | -2.00 to 20.00 |
| pH Resolution | 0.001 / 0.01 / 0.1 pH (user-selectable) |
| mV Resolution | 0.1 / 0.1 / 1 mV (user-selectable) |
| DO Range | 0.00–99.00 mg/L |
| pH Accuracy | ±0.02 pH |
| mV Accuracy | ±1 mV |
| pH Repeatability | ≤±0.01 pH |
| mV Repeatability | ≤±1 mV |
| Temperature Compensation | Automatic and manual modes |
| Calibration | Up to 3-point pH calibration with auto-buffer recognition |
| Display | 7-inch full-color capacitive touchscreen |
| Language Support | English and Chinese |
| Environmental Protection | UV-resistant, scratch-resistant, glove-compatible surface |
| Power | Rechargeable Li-ion battery (operating time ≥12 h typical) |
| Compliance | Designed for field and lab use per ISO 5667-3, ASTM D3693, and USP <781> water quality testing protocols |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-341 |
| Instrument Type | Portable |
| Measurement Principles | Potentiometric (pH/mV), Galvanic Cell (Dissolved Oxygen), Conductivity Bridge (Conductivity/TDS/Salinity/Resistivity) |
| pH Range | 0.00–14.00 |
| pH Accuracy | ±0.01 |
| pH Repeatability | ≤±0.01 |
| Conductivity Range | 0.000 μS/cm – 2000 mS/cm |
| Conductivity Accuracy | ±0.5% FS |
| Conductivity Repeatability | ≤±0.2% |
| Conductivity Detection Limit | 0.01 μS/cm |
| Dissolved Oxygen Range | 0.00–50.00 mg/L |
| Dissolved Oxygen Accuracy | ±0.2 mg/L |
| Dissolved Oxygen Repeatability | ≤±0.1 mg/L |
| Dissolved Oxygen Detection Limit | 0.01 mg/L |
| Temperature Compensation | Automatic & Manual |
| Display | 7-inch TFT color touchscreen |
| IP Rating | IP54 |
| Compliance | Supports GMP data integrity requirements (audit trail, user access control, data export, firmware update log) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-401 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Range | 0.00–99.00 mg/L |
| Accuracy | ±0.2 mg/L |
| Repeatability | ≤±0.1 mg/L |
| Detection Limit | 0.01 mg/L |
| Display | 7-inch capacitive touchscreen |
| Resolution | 0.01/0.1 mg/L |
| Temperature Compensation | Automatic and manual modes supported |
| Language Options | English and Chinese UI |
| Units | mg/L and % saturation selectable |
| Operating Temperature | 0–50 °C (standard ambient range for field-portable DO meters) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-403 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principles | Potentiometric (pH/mV), Conductometric (Conductivity/TDS/Salinity/Resistivity), Polarographic (Dissolved Oxygen) |
| pH Range | 0.00–20.00 pH |
| pH Accuracy | ±0.01 pH |
| pH Resolution | 0.001 / 0.01 / 0.1 pH (selectable) |
| mV Range | ±2000.0 mV |
| mV Accuracy | ±0.2 mV |
| mV Resolution | 0.01 / 0.1 / 1 mV (selectable) |
| Conductivity Range | 0.01 μS/cm – 100 mS/cm |
| Conductivity Accuracy | ±1% FS |
| Conductivity Detection Limit | 0.01 μS/cm |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| DO Accuracy | ±0.1 mg/L |
| DO Detection Limit | 0.01 mg/L |
| DO Saturation Range | 0.0–200.0% |
| Temperature Range | 0–50 °C |
| Temp. Accuracy | ±0.2 °C |
| Repeatability | ≤±0.5% |
| Data Storage | Up to 2000 datasets with timestamp, operator ID, and metadata |
| Calibration Options | Auto-buffer recognition (15 built-in standards), 1–3 point pH calibration, single-point conductivity calibration (8 preloaded standard solutions), DO zero & span calibration |
| Compliance | IP54-rated enclosure |
| Software Features | Statistical analysis (mean, SD, min/max), audit trail (GMP-compliant), firmware update via USB, auto-diagnostic reporting, power-fail recovery |
| Operating System | Dual-language (English/Chinese), adjustable screen brightness & time format, configurable temperature units (°C/°F) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | L-501 (Fluorescence Method) |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Measurement Range | 0–99.00 mg/L |
| Accuracy | ±0.1 mg/L |
| Repeatability | ≤±0.05 mg/L |
| Detection Limit | 0.01 mg/L |
| Display | 7-inch Color Touchscreen |
| Parameters Displayed | DO Concentration (mg/L), Saturation (%), Temperature (°C/°F) |
| Temperature Compensation | Automatic & Manual |
| Electrode Status Monitoring | Intelligent Diagnostic Algorithm |
| Sensor Design | Solid-State Fluorescent Cap, No Electrolyte, No Polarization Required |
| Cap Replacement | Tool-Free, Quick-Swap Mechanism |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-503 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principles | pH (glass electrode), Conductivity (4-electrode AC conductivity), Dissolved Oxygen (fluorescence quenching), Temperature (Pt1000 RTD) |
| pH Range | 0.00–14.00 |
| pH Accuracy | ±0.01 pH |
| pH Repeatability | ≤±0.01 pH |
| Conductivity Range | 0.000 µS/cm–2000 mS/cm |
| Conductivity Accuracy | ±0.5% FS |
| Conductivity Detection Limit | 0.01 µS/cm |
| DO Range | 0.00–99.00 mg/L |
| DO Accuracy | ±0.2 mg/L |
| DO Repeatability | ≤±0.1 mg/L |
| DO Detection Limit | 0.01 mg/L |
| Temperature Range | –5.0 to 55.0 °C |
| Temperature Accuracy | ±0.2 °C |
| Display | 7-inch capacitive color touchscreen (1024×600) |
| IP Rating | IP54 |
| Data Storage | Internal memory for ≥2000 datasets with timestamp, operator ID, and audit trail metadata |
| Compliance | Supports GLP/GMP data integrity requirements including user-defined access levels, electronic signature readiness, and calibration history logging |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-701 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based Dissolved Oxygen (DO) Detection |
| DO Range | 0–99.00 mg/L |
| DO Accuracy | ±0.5% of reading (ion concentration), ±0.01 pH |
| Repeatability | ≤±0.2% |
| Detection Limit | 0.01 mg/L |
| pH/pX Range | –2.00 to 20.00 |
| pH Resolution | 0.01 pH |
| mV Range | –1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV |
| Temperature Compensation | Automatic & Manual |
| Display | 7-inch color TFT capacitive touchscreen |
| Operating System | Built-in bilingual (English/Chinese) firmware with adjustable brightness, time stamping, and °C/°F switching |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | M901 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching (DO), Potentiometric (pH) |
| DO Range | 0–99.00 mg/L |
| pH Accuracy | ±0.002 |
| mV Accuracy | ±0.1 mV |
| pH Repeatability | ≤±0.001 |
| mV Repeatability | ≤±0.1 mV |
| pH Range | −2.00 to 20.00 |
| pH Resolution | 0.001 |
| mV Resolution | 0.1 mV |
| Display | 7-inch color capacitive touchscreen |
| IP Rating | IP54 |
| Temperature Compensation | Automatic/manual with integrated high-stability temperature electrode |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | M902 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based Dissolved Oxygen (Note: *Correction required — device is a conductivity meter |
| Conductivity Range | 0.000 μS/cm to 2000 mS/cm |
| Accuracy | ±0.5% FS (Conductivity) |
| Repeatability | ≤ ±0.2% |
| Detection Limit | 0.01 μS/cm |
| Display | 7-inch color capacitive touchscreen |
| Temperature Compensation | Automatic/manual with integrated high-stability temperature electrode |
| IP Rating | IP54 |
| Data Compliance | GLP-compliant audit trail, calibration history logging, method recall, USB/printer/computer connectivity |
| Calibration | Multi-point (1–5 points), auto-standard recognition, calibration expiry alert |
| Sample Handling | Built-in magnetic stirrer, endpoint stability criteria configurable |
| Environmental Protection | Dust and splash resistant (IP54) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | M907 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| DO Range | 0–99.00 mg/L |
| DO Detection Limit | 0.01 mg/L |
| DO Accuracy | ±0.5% of reading (ion concentration) |
| Repeatability | ≤±0.2% |
| Display | 7-inch color capacitive touchscreen |
| pH/pX Range | −2.00 to 20.00 |
| pH/pX Resolution | 0.01 (default), selectable to 0.001 or 0.1 |
| mV Range | −1999.9 to +1999.9 mV |
| mV Resolution | 0.1 mV (selectable to 0.01 or 1) |
| Temperature Compensation | Automatic/manual with integrated high-stability temperature electrode |
| Data Management | GLP-compliant storage, audit trail, method recall, USB/printer/PC connectivity |
| Enclosure Rating | IP54 |
| Ion Modes | Direct concentration, standard addition, sample addition, Gran plot |
| Supported Ions | H⁺, Ag⁺, Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻, and user-definable |
| Units | mg/L, g/L, mol/L, pX |
| Calibration Tracking | Auto-log with expiry alert |
| Stirring | Integrated magnetic stirrer |
| Endpoint Detection | Configurable stability criteria |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YP-DNT |
| Price Range | USD 2,700 – 17,000 |
| Display | 7-inch color touchscreen microcontroller interface |
| Sample Form | Solid ≤5 g or liquid ≤15 mL |
| CEC Measurement Range | 0.07–14 cmol<sub>c</sub>/kg |
| Nitrogen Measurement Range | 0.06–240 mg N |
| Sample Weight for CEC | 0.5–30 g (soil) |
| Digestion/Exchange Vessel Capacity | 650 mL and 300 mL standardized digestion tubes |
| Reagent Delivery | Pressureless metering peristaltic pumps for HCl, NaOH, boric acid, and distilled water |
| Safety Protection | Dry-run prevention in distillation chamber |
| Cooling Water Requirement | ≥0.15 MPa pressure, <2 L/min consumption at ≤20°C |
| Distillation Power | ≥1500 W |
| Distillation Time | Programmable, 3–9 min/sample |
| Steam Flow Rate | 0–30 mL/min adjustable |
| Delay Function | 0–3600 s |
| Recovery Rate | >99.5% |
| Precision | RSD ≤0.5% |
| Housing Material | ABS engineering plastic, acid- and alkali-resistant, electrically insulated |
| Internal Tubing | High-temp, chemically inert fluoropolymer-reinforced tubing (≥3-year service life) |
| Data Management | Onboard programmable method storage, real-time condition monitoring, voice-guided operation, paperless workflow, remote firmware update capability |
| Compliance Readiness | Designed to support GLP/GMP documentation workflows |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YP-GT1 |
| Price Range | USD 450 – 8,400 (FOB) |
| Instrument Type | Portable |
| Detection Channels | 6 |
| Test Parameters | Nitrogen (N), Phosphorus (P), Potassium (K), Organic Matter, Total Organic Carbon (TOC), C/N Ratio, pH, Electrical Conductivity (EC), Micronutrients (e.g., Fe, Zn, Cu, Mn), Heavy Metals (e.g., Cd, Pb, As, Cr) |
| Weight | 5.2 kg |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YP-QA |
| Price | USD 1,800 (FOB) |
| Sampling Principle | Six-Stage Andersen-style Impaction |
| Flow Rate | 28.3 L/min (±5% accuracy) |
| Particle Size Resolution | 0.65–7.0 µm across six tiers |
| Collection Efficiency | ≥98% |
| Timer Range | 1–99 h (±1% accuracy) |
| Noise Level | ≤60 dB(A) |
| Power Supply | AC/DC dual-mode |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | YP-S60 |
| Price | USD 1,200 (FOB Qingdao) |
| Measurement Principle | Spectrophotometry (Visible Light Absorption, 420–680 nm) |
| Measurable Parameters | pH, Dissolved Oxygen (DO), Ammonia-Nitrogen (NH₃-N), Nitrite (NO₂⁻), Hydrogen Sulfide (H₂S), Total Alkalinity, Phosphate (PO₄³⁻), Total Hardness, Free Chlorine, Temperature, Salinity |
| Resolution | 0.001 unit (pH, DO, Cl₂, etc.) |
| Optical Source | Imported Cold LED Light Source (Lifetime ≥ 100,000 h) |
| Power Supply | Rechargeable Li-ion Battery (DC 7.4 V, 4400 mAh) + AC Adapter (100–240 V, 50/60 Hz) |
| Operating Environment | 0–50 °C, RH ≤ 90% non-condensing |
| Compliance | ISO 7027 (turbidity reference), ASTM D1293 (pH), ASTM D888 (DO), EPA 365.3 (phosphate), EPA 350.1 (ammonia), USP <643> (conductivity-related calibration traceability) |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YP-SY |
| Measurement Range | 0–500 µg/L |
| Resolution | 0.01 µg/L |
| Accuracy | ±5% of Rhodamine WT signal equivalent at 1 ppb |
| Linearity | R² > 0.999 |
| Sensor Material | SUS316L stainless steel |
| Host Material | ABS+PC blend |
| Host IP Rating | IP67 |
| Sensor IP Rating | IP68 |
| Operating Temperature | 0–50 °C (non-freezing) |
| Storage Temperature | −15–60 °C |
| Sensor Dimensions | Ø24 mm × 207 mm |
| Sensor Weight | <0.25 kg |
| Host Dimensions | 203 × 100 × 43 mm |
| Host Weight | 0.5 kg |
| Standard Cable Length | 3 m (extendable) |
| Display | 3.5-inch color LCD with adjustable backlight |
| Data Storage | 8 GB internal flash memory |
| Power | Rechargeable Li-ion battery, USB-C charging |
| Connectivity | Automatic sensor recognition and interface adaptation |
| Calibration & Configuration | On-device sensor parameter setup and two-point calibration support |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YP-SZA |
| Instrument Category | Automatic Water Sampler |
| Sampling Method | Flow-Proportional & Time-Proportional Sampling |
| Instrument Form Factor | Portable Water Sampler |
| Sampling Interval | 1–9999 min |
| Number of Sample Bottles | 12 |
| Sample Volume per Bottle | 10–1000 mL |
| Bottle Capacity | 1000 mL |
| Sampling Accuracy | ±10% (at 200 mL) |
| Flow-Proportional Accuracy | ±10% |
| Pump Suction Lift | ≥8 m |
| Horizontal Sampling Distance | ≥60 m |
| Sample Refrigeration Temperature | 0–4 °C (±1.5 °C) |
| System Air-Tightness | ≤−0.07 MPa |
| MTBF | ≥1440 h |
| Insulation Resistance | >20 MΩ |
| Analog Input | 4–20 mA |
| Digital Inputs | Switch Signal, RS485 |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Operating Temperature | 10–40 °C |
| Operating Humidity | ≤85% RH |
| Weight | 20 kg |
| Brand | Azure Cloud & Wind Confluence |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YS-ZS100 |
| Instrument Category | Soil Moisture and Water Potential Analyzer |
| Pricing | USD 700 (FOB Jiangsu) |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 4010-1W |
| DO Measurement Range | 0–60 mg/L |
| DO Accuracy | ≤ ±0.2 mg/L |
| DO Repeatability | ≤ ±0.1 mg/L |
| Response Time (90%) | ≤ 30 s |
| Operating Temperature | 0–50 °C |
| Power Supply | AC 100–240 V (wide-range input) |
| Resolution | 0.01 mg/L |
| DO Measurement Principle | Clark-type electrochemical polarographic sensor with integrated stirring |
| Compliance | ASTM D888, ISO 5814, USP <781>, EPA 450/4-85-001, HJ/T 99–2003, GB 11913–89, GB 7488–87 |