Yoke
Filter
Showing 1–30 of 85 results
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | DSH-100A-1 |
| Heating Source | Halogen Lamp |
| Weighing Range | 0–100 g |
| Readability | 1 mg |
| Repeatability (3 g sample) | ±0.3% |
| Recommended Sample Mass | 3–10 g |
| Minimum Sample Mass | 0.5 g |
| Heating Time Setting | 1–99 min (1 min increments) |
| Temperature Range | 50–160 °C |
| End Point Control | Timer-based or Auto-termination |
| Display | Backlit dot-matrix LCD showing moisture %, solids %, weight, elapsed time |
| Pan Diameter | 100 mm |
| Dimensions (W×D×H) | 265 × 160 × 150 mm |
| Net Weight | 5 kg |
| Communication Interface | RS232 |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | DSH-10A |
| Heating Method | Halogen Lamp |
| Display | High-Resolution Backlit Dot-Matrix LCD |
| Interface | RS-232C |
| Features | Automatic Tare, Zero Drift Compensation, Real-Time Dryness Monitoring |
| Compliance | Designed for ISO 5725 (accuracy & reproducibility), ASTM E1447 (moisture in solids), and USP <921> (Loss on Drying) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | DSH-50A-1 Halogen Moisture Analyzer |
| Heating Source | Halogen Lamp |
| Readability | 1 mg |
| Weighing Range | 0–50 g |
| Repeatability (3 g sample) | ±0.2% |
| Recommended Sample Mass | 3–10 g |
| Heating Time | 1–99 min (1 min increments) |
| Temperature Range | 50–180 °C |
| End Point Modes | Timed & Automatic |
| Display | Moisture %, Solid %, Weight (g), Time, Date |
| Pan Diameter | 100 mm |
| Dimensions (W×D×H) | 265 × 160 × 150 mm |
| Net Weight | 5 kg |
| Communication | RS232 |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | DSH-50A-1 |
| Heating Source | Halogen Lamp |
| Readability | 1 mg |
| Weighing Range | 0–50 g |
| Repeatability (3 g sample) | ±0.2% |
| Recommended Sample Mass | 3–10 g |
| Heating Time Range | 1–99 min (1 min increments) |
| Temperature Range | 50–180 °C |
| Endpoint Modes | Timed & Automatic |
| Display | Moisture %, Solid %, Weight, Time, Date |
| Pan Diameter | 100 mm |
| Dimensions (W×D×H) | 265 × 160 × 150 mm |
| Net Weight | 5 kg |
| Gross Weight | 6 kg |
| Interface | RS232 |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | DSH-50A-5 |
| Heating Source | Halogen Lamp |
| Weighing Range | 0–50 g |
| Readability | 5 mg |
| Temperature Range | 50–160 °C |
| Heating Time | 1–99 min (1-min increments) |
| Sample Capacity | 0.5–10 g (recommended: 3–10 g) |
| Repeatability (3 g sample) | ±0.3% |
| Display | Backlit dot-matrix LCD |
| Interface | RS232 |
| Pan Diameter | 100 mm |
| Dimensions (W×D×H) | 265 × 160 × 150 mm |
| Net Weight | 5 kg |
| Gross Weight | 6 kg |
| End-point Modes | Timed & Automatic |
| Heating Profile | Standard |
| Display Outputs | Moisture %, Solid %, Sample Weight, Elapsed Time |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | FP6431 |
| Detection Elements | K, Na, Ca |
| Detection Limits | K: 0.001 mmol/L |
| Na | 0.001 mmol/L |
| Ca | 0.01 mmol/L |
| Response Time | ≤5 s |
| Repeatability | RSD ≤1.5% |
| Sample Flow Rate | 6–8 mL/min |
| Display | 7-inch capacitive touch LCD |
| Data Export | USB port & U-disk support |
| Safety Features | Flame-out protection & gas leakage alarm |
| Operating Temperature | 10–35 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | AC 220 V ±10%, 50 Hz, 250 W |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | FP6432 |
| Measurement Range | K: 0–100 µg/mL |
| Na | 0–100 µg/mL |
| Ba | 0–3000 µg/mL |
| Detection Limit | K ≤ 0.004 mmol/L |
| Response Time | < 8 s |
| Repeatability | ≤ 3% |
| Sample Flow Rate | < 6 mL/min |
| Wavelength Accuracy | K/Li/Ca/Ba ≤ ±7 nm |
| Bandwidth (FWHM) | ≤ 15 nm for all elements |
| Background Transmittance | ≤ 0.5% |
| Power Supply | AC 220 ± 22 V, 50 ± 1 Hz |
| Rated Power | 30 W |
| Display | 7-inch capacitive touch LCD |
| Data Storage | 10-point calibration curves (max), 200 sample records |
| Connectivity | USB port, U-disk export, cloud-enabled interface |
| Safety Features | Flame-out detection, gas leak alarm |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | FP6440 |
| Detection Elements | K, Na, Li, Ca |
| Detection Limits | K: 0.001 mmol/L |
| Na | 0.001 mmol/L |
| Li | 0.005 mmol/L |
| Ca | 0.01 mmol/L |
| Response Time | <8 s |
| Repeatability | RSD ≤1.5% |
| Nebulization Flow Rate | 6–8 mL/min |
| Display | 7-inch capacitive touch LCD |
| Safety Features | Flame-out protection, gas leakage alarm |
| Data Interface | USB port, U-disk export, PC connectivity |
| Cloud Connectivity | Yes |
| Calibration Function | Automatic correlation coefficient calculation |
| Optional Accessory | Thermal printer |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | FP6450 |
| Detection Elements | K, Na, Li, Ca, Ba |
| Detection Limits | K: 0.001 mmol/L |
| Na | 0.001 mmol/L |
| Li | 0.005 mmol/L |
| Ca | 0.01 mmol/L |
| Ba | 0.02 mmol/L (typical) |
| Response Time | <8 s |
| Repeatability | RSD ≤1.5% |
| Sample Uptake Rate | 6–8 mL/min |
| Display | 7-inch capacitive touchscreen LCD |
| Data Storage | Up to 10-point calibration curves and 200 sample results |
| Connectivity | USB port, USB flash drive export, cloud-enabled data synchronization |
| Safety Features | Automatic flame-out detection, gas leak alarm |
| Calibration Modes | Linear and piecewise linear (broken-line) |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Rated Power | 30 W |
| Printer | Optional external thermal printer |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GC-C203 |
| Instrument Type | Precision Balance |
| Capacity | 200 g |
| Readability | 0.001 g (1 mg) |
| Internal Calibration | Yes |
| Display | Backlit BTN black-matrix LCD |
| Weighing Functions | Counting, Percentage Weighing, Dual-Range Mode, Unit Conversion (g, oz, ct, etc.) |
| Construction | Sealed draft shield enclosure |
| Sensor Technology | Electromagnetic force compensation sensor with CNC-machined components |
| Microprocessor | ARM32-bit embedded controller |
| Signal Processing | Digital filtering and adaptive data smoothing algorithms |
| PCB Assembly | SMT (Surface Mount Technology) |
| Compliance | Designed to meet ISO 9001 manufacturing standards |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | GL2204C |
| Capacity | 0–220 g |
| Readability | 0.1 mg |
| Stabilization Time | ≤4 s |
| Pan Size | 80 mm diameter |
| Net Weight | 7.5 kg |
| Dimensions (W×D×H) | 355×220×325 mm |
| Working Height Under Draft Shield | 220 mm |
| Calibration | Internal and External |
| Power Supply | DC 12 V / 1 A |
| Accuracy Class | Class I (according to OIML R76) |
| Display | 120×55 mm backlit LCD |
| Interface | RS232 standard port |
| Units | g, oz, ct |
| Environmental Protection | Four-sided electrostatically coated glass draft shield |
| 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-301 |
| Portability | Portable |
| Intended Use | Laboratory |
| Conductivity Range | 0.000 µS/cm to 200 mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–10 MΩ·cm |
| Salinity Range | 0–80 ppt |
| Temperature Range | −5 to 55 °C |
| Accuracy | ±0.5% FS (conductivity), ±0.1 °C (temperature) |
| Minimum Resolution | 0.01 µS/cm (conductivity), 0.1 °C (temperature) |
| Display | 7-inch color TFT capacitive touchscreen |
| Calibration | Auto-identification of standard solutions |
| cell constant options | 0.01, 0.1, and 1.0 cm⁻¹ |
| Compliance | IP54 ingress protection |
| 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 | i3 |
| Optical System | Single-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 360–900 nm (Visible) |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ≤1 nm |
| Stray Light | ≤0.5% T at 420 nm (NaNO₂) |
| Display | 7-inch TFT touchscreen (1024 × 768) |
| Photometric Range | 0–200% T, –0.3 to 3.0 A |
| Wavelength Setting | Automatic |
| Light Source | Dual-lamp system with long-life halogen and deuterium lamps (optional UV extension) |
| Connectivity | USB 2.0, Wi-Fi 802.11 b/g/n, Bluetooth 4.2, RS-232 |
| Software Functions | Wavelength scanning, kinetic analysis, quantitative analysis, nucleic acid/protein assay, spectral overlay, derivative/integration processing |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | i4 |
| Instrument Architecture | Single-Beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ≤1 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.5% T at 420 nm (NaNO₂) |
| Photometric Range | 0–200% Transmittance, –0.3 to 3.0 Absorbance |
| Display | 7-inch capacitive touchscreen (1024 × 768 resolution) |
| Connectivity | USB 2.0, Wi-Fi 802.11 b/g/n, Bluetooth 4.2, RS-232 |
| Software Functions | Wavelength Scanning, Kinetic Measurement, Quantitative Analysis, Nucleic Acid & Protein A260/A280 Assay, Multi-Wavelength Overlay, First-Order Derivative, Integration |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | i5 |
| Quotation | Upon Request |
| Optical Design | Single-Beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 360–900 nm (Visible Region) |
| Wavelength Scanning | Automatic |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ≤1 nm |
| Stray Light | ≤0.5%T at 420 nm (NaNO₂ reference) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i6 |
| Optical System | Single-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ≤1 nm |
| Stray Light | ≤0.5% T at 420 nm (NaNO₂) |
| Photometric Range | 0–200% T, –0.3 to 3.0 A |
| Display | 7-inch capacitive touchscreen (1024 × 768 px) |
| Connectivity | USB 2.0, Wi-Fi 802.11 b/g/n, Bluetooth 4.2, RS-232 |
| Auto Functions | Automatic wavelength calibration, automatic lamp switching (D₂/WS), T/A mode toggle, real-time baseline correction |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JA1203N |
| Instrument Type | Precision Analytical Balance |
| Maximum Capacity | 120 g |
| Readability | 1 mg |
| Repeatability | ≤ ±1 mg |
| Calibration | Internal Automatic Calibration |
| Weighing Pan Diameter | 80 mm |
| Working Height Under Draft Shield | 240 mm |
| Dimensions (W×D×H) | 350 × 215 × 340 mm |
| Net Weight | 7.5 kg |
| Power Supply | 220 V AC, 50 Hz |
| Display | Backlit LCD (120 × 55 mm) |
| Connectivity | RS232 Standard Interface |
| Unit Conversion | g, oz, ct |
| Draft Shield | Four-Sided Anti-Static Coated Glass |
| Sensor Technology | Electromagnetic Force Compensation with Multi-Point Linearization Algorithm |
| 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-211 |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.01 μS/cm to 100 mS/cm |
| TDS Range | 0.01 mg/L to 100 g/L |
| Resistivity Range | 0.01 Ω·cm to 100 MΩ·cm |
| Salinity Range | 0.01 ‰ to 100 ‰ |
| Temperature Range | 0–100 °C |
| Accuracy | ±1% FS (conductivity), ±0.5 °C (temperature) |
| Minimum Resolution | 0.01 μS/cm (conductivity), 0.1 °C (temperature) |
| Display | 7-inch color capacitive touchscreen |
| Calibration | Auto-recognition of 8 standard solutions (including ISO/ASTM-compliant KCl standards), single-point or multi-point calibration |
| Compensation | Automatic and manual temperature compensation (ATC/MTT) |
| Data Management | Statistical analysis (mean, SD, min/max), audit-trail-capable storage, print-ready export, GLP/GMP-compliant metadata tagging |
| Protection Rating | IP54 |
| Electrode Compatibility | Standard 1.0 cm⁻¹ cell (optional 0.1 or 0.01 cm⁻¹ cells for low-conductivity samples) |
| 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-311 |
| Portability | Portable |
| Intended Use | Laboratory |
| Conductivity Range | 0.000 µS/cm to 200 mS/cm |
| TDS Range | 0 to 100 g/L |
| Resistivity Range | 0 to 10 MΩ·cm |
| Salinity Range | 0 to 80 ppt |
| Temperature Range | −5 to 55 °C |
| Accuracy | ±0.5% FS (conductivity), ±0.1 °C (temperature) |
| Minimum Resolution | 0.01 µS/cm (conductivity), 0.1 °C (temperature) |
| Display | 7-inch color TFT capacitive touchscreen |
| Compliance | IP54 |
| Calibration | Auto-recognition of 8 standard solutions (including ISO and GB standards), single-point or multi-point calibration supported |
| Electrode Constant Options | 0.01, 0.1, 1.0 cm⁻¹ (1.0 cm⁻¹ electrode supplied) |
| Data Management | Statistical analysis (min/max/avg/stdev), storage ≥1000 data points, print-ready output, audit-trail-capable logging, firmware upgradability, power-failure recovery, factory reset |
| Temperature Compensation | Automatic (linear & non-linear NIST/ISO models) and manual modes |
| Language Support | English & Chinese UI |
| Environmental Rating | IP54 |
| 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-3700 |
| Optical System | Double-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤0.1 nm |
| Stray Light | ≤0.03% (at 220 nm, using NaI solution) |
| Display | 8-inch capacitive touchscreen (1024 × 800 resolution) |
| Internal Storage | 5000 absorbance measurements or 500 calibration curves |
| Data Export Formats | *.csv, *.qua, *.txt, *.bmp |
| Compliance | GLP/GMP-aligned software architecture with user management, audit trail, and electronic signature support |