Water Quality Analysis
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Showing 871–900 of 952 results
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Pressure Differential (O₂ Consumption + CO₂ Absorption) |
| Measurement Range | 0–5000 mg/L |
| Detection Limit | 500 mg/L |
| Accuracy | ±1 mg/L |
| Single Sample Measurement Time | 8 min |
| Repeatability | ±3% |
| Compliance | DIN EN 1899-1, DIN EN 1899-2, EPA Method 5210B, GLP/GMP-ready |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | WTW OxiTop®-i IS 6 BOD |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Manometric Respirometry (CO₂-absorbed pressure differential method) |
| Measurement Range | 0–40 mg/L (standard), up to 4,000 mg/L (via sample dilution or reduced volume) |
| Accuracy | <10% deviation from reference value |
| Repeatability | ≤ ±2.8% RSD |
| Measurement Duration | Programmable from 1 to 7 days |
| Sample Capacity | 6 independent channels |
| Display | Individual LCD graphic display per sensor head |
| Temperature Compensation | Automatic thermal equilibration delay (1–3 h) |
| Units | mg/L O₂, ΔhPa, hPa, digit |
| Compliance | Designed for ISO 5815-1:2019, EN 25815, and APHA Standard Methods 5210 B |
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, mV, ISE (Ion-Selective Electrode), Temperature |
| Calibration Options | 2–7 point ISE calibration, non-linear ISE applications |
| Display | Backlit LCD |
| Enclosure Rating | IP67 |
| Power Supply | 4 × AA alkaline or 4 × NiMH rechargeable batteries |
| Data Storage | Manual (200 entries) or automatic (5,000 entries), configurable logging interval |
| Compliance | GLP-compliant data handling, audit-ready timestamped records |
| Connectivity | Waterproof USB interface |
| CMC (Continuous Measurement Control) | Real-time calibration and measurement integrity monitoring |
| Operating Temperature Range | –5.0 to +105.0 °C (±0.1 °C accuracy) |
| pH Range | –2.000 to +19.999 (±0.005 pH accuracy) |
| mV Range | –2500 to +2500 mV (±1 mV accuracy) |
| ISE Range | 0.000–9.999 / 10.00–99.99 / 100.0–999.9 / 1000–999999 (unit-dependent |
| Origin | Imported |
|---|---|
| Type | Benchtop Laboratory Analyzer |
| Model | PhotoLab® S6, PhotoLab® S12, photoLab® 6000 Series |
| Measurement Principle | Rapid Digestion Photometry |
| Wavelength Range | 436 nm, 525 nm, 580 nm, 610 nm, 690 nm (S6) |
| Measurement Range | 0–1000 mg/L COD |
| Accuracy | ±5% of reading |
| Repeatability | ≤5% RSD |
| Detection Limit | 0.1 mg/L COD |
| Analysis Time | ≤30 min per batch |
| Batch Capacity | 15 samples |
| Cuvette Recognition | Automatic barcode-based identification for round and rectangular cuvettes (10 mm, 20 mm, 50 mm path lengths) |
| Compliance | Designed for ASTM D1252, ISO 6060, EN 1484, and US EPA Method 410.4 workflows |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Distribution Status | Authorized Distributor |
| Import Status | Imported |
| Model | SENSORNET Online |
| Price Range | USD 25,000 – 125,000 |
| Brand | WTW |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China-assembled under WTW/Xylem specifications) |
| Model | StirrOx® G |
| Instrument Type | Portable DO Sensor |
| Measurement Principle | Polarographic (Clark-type) Electrochemical Probe |
| Range | 0.00–90 mg/L O₂ |
| Accuracy | ±0.5% of reading |
| Repeatability | ≤±0.5% |
| Detection Limit | 0.01 mg/L |
| Response Time (t₉₀) | <60 s (in stirred water at 20 °C) |
| Operating Temperature | 0–40 °C |
| Membrane Material | PTFE |
| Electrolyte | KCl-based aqueous solution |
| Connector | WTW-standard 6-pin DIN |
| Key | Origin: Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | TresCon A |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | Ammonia-N (NH₄⁺-N), Total Phosphorus (TP), Total Nitrogen (TN) |
| Module Capacity | Up to 3 Independent Analytical Modules |
| Compliance | Designed for ISO/IEC 17025-aligned operation, supports GLP/GMP data integrity requirements via audit-trail-enabled software |
| Communication | RS-485, Modbus RTU, optional analog 4–20 mA outputs and Ethernet/IP integration |
| Brand | WTW |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode (NH₃-Selective Electrode) |
| Measurement Range | 0.05–1000 mg/L NH₄–N (dual-range: low range 0.05–10 mg/L, high range 0.1–1000 mg/L) |
| Accuracy | ±5% of reading |
| Detection Limit | 0.05 mg/L NH₄–N |
| Analysis Time | ≤3 minutes per sample |
| Sample Throughput | 3 samples per cycle |
| Compliance | Designed for continuous operation in EPA-compliant and ISO 5667-3 / ISO 15839 environmental monitoring applications |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | ZBK/NH500/TC |
| Measurement Principle | Gas-Permeable Membrane Potentiometry (Ammonia-Selective) |
| Package Contents | 3 Ammonia-Sensing Membrane Caps + 1 Bottle of Electrolyte Solution (NH₄⁺-specific) |
| Compatible Instrument | TresCon OA110 Online Ammonia Analyzer |
| Application Scope | NH₄⁺: 0.00–1280 mg/L |
| NH₃-N | 0.03–1000 mg/L |
| Compliance Context | Designed for continuous compliance monitoring per ISO 7888, EN 27888, and EPA Method 350.1 |
| Brand | X-imaging |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | Intelligent Unmanned Water Quality Laboratory System |
| Pricing | Available upon Request |
| Brand | Xiarui |
|---|---|
| Origin | Fujian, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DT-CR0300 |
| Instrument Category | Automatic Water Sampler |
| Sampling Method | Time-Programmed & Volume-Controlled Sampling |
| Instrument Type | Portable Wastewater Sampler |
| Single Sample Volume | 1–999 mL (adjustable) |
| Sampling Volume Accuracy | ≤ ±1% |
| Sampling Interval | 1–999 min (adjustable) |
| Maximum Submersion Depth | ≥ 8 m |
| Vertical Sampling Height | ≥ 8 m |
| Horizontal Sampling Distance | ≥ 50 m |
| Enclosure Rating | IP67 |
| Unit Weight | ≤ 8 kg |
| Battery Runtime | ≥ 24 h (continuous operation) |
| Sampling Mode | Peristaltic Pump Suction with Microstepping Motor Drive |
| Water Level Adaptation | Auto-compensating for dynamic water level changes in confined spaces |
| Brand | Xunshu |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | Algacount M500 |
| Instrument Type | Algal Counter and Plankton Analyzer |
| Price Range | USD 150–15,000 (FOB) |
| Brand | Xunshu |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | M600 |
| Price Range | USD 21,000–28,000 |
| Instrument Type | Algal and Plankton Counter |
| Camera Resolution | 8.5 MP |
| Magnification | 40× |
| Identification Method | Morphological and Taxonomic Analysis |
| 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 | 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 |