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| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | KF-4 |
| Titration Method | Fully Automatic Volumetric Titration |
| Principle | Volumetric Karl Fischer Titration |
| Moisture Range | 10 ppm to 100% H₂O |
| Resolution | 0.1 µL (volumetric) |
| Accuracy | ±0.01% (relative) |
| Minimum Dispensing Volume | 0.005 mL |
| Titration Precision | ±0.1% RSD |
| Stirring Control | Multi-stage Adjustable |
| Display | Large LCD with Real-time Process Monitoring |
| Data Storage | Internal Memory + RS-232/USB Output |
| Dimensions (W×D×H) | 260 × 330 × 170 mm |
| Weight | 3.0 kg |
| Power Supply | AC 220 V, 50/60 Hz |
| Compliance | Designed for GLP-compliant environments |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | SZC-C |
| Instrument Type | Soxhlet Fat Extractor (not Kjeldahl Nitrogen Determinator — note correction per technical classification) |
| Automation Level | Manual (user-controlled heating, timing, and solvent management) |
| Fat Determination Range | ≥0.5% (crude fat in grains, foods, feeds, oils, and lipid products) |
| Sample Capacity | 6 positions simultaneously |
| Extraction Time | ~3.5 min per cycle (dependent on solvent boiling point and sample matrix) |
| Repeatability | Relative standard deviation ≤3% |
| Parallel Precision | ≤0.3% absolute difference between duplicates |
| Solvent Recovery Rate | ≥80% |
| Recovery Efficiency | ≥99% (under standardized conditions: reflux rate 120 drops/min, coolant inlet temperature ≤30 °C) |
| Heating Range | Ambient to 200 °C (digital PID-controlled) |
| Temperature Accuracy | ±1 °C |
| Heating Method | Fully enclosed aluminum alloy heating plate |
| Sealing Material | PTFE gaskets |
| Power Supply | 220 V ±10%, 50–60 Hz |
| Rated Power | 300 W |
| Dimensions (L×W×H) | 590 × 390 × 625 mm |
| Net Weight | 25 kg |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | DT-230A |
| Temperature Range | Ambient to 100 °C |
| Temperature Stability | ±0.1 °C |
| Temperature Accuracy | ±0.5 °C at 50 °C |
| Repeatability | ±0.1 °C |
| Power Supply | 220 V, 50 Hz |
| Heating Chamber Dimensions (L×W×H) | 350 × 50 × 50 mm |
| Display | Dual-line LED with touch-sensitive controls |
| Safety Features | Over-temperature alarm and automatic power cutoff |
| Mounting Flexibility | Vertical or horizontal orientation |
| Viewing Window | Transparent front panel for real-time column observation |
| Lid Mechanism | Magnetic latch closure |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | UV-752 |
| Wavelength Range | 200–1000 nm |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2.0 nm |
| Wavelength Repeatability | ±1.0 nm |
| Stray Light | ≤0.5% T (at 220 nm and 340 nm) |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.2% T |
| Baseline Drift | ±0.003 A/h |
| Detector | Photodiode Array |
| Optical Design | Dual-Beam |
| Wavelength Resolution | 0.1 nm step |
| Display | 128×64 LCD |
| Dimensions | 456 × 375 × 220 mm |
| Data Interface | USB |
| Software | UV-Solution Workstation |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Germany |
| Model | S40K |
| Instrument Type | Benchtop (not portable — corrected per technical specification) |
| Parameter Types | pH, mV, Ion Concentration, Temperature |
| pH Measurement Range | –2.000 to 20.000 |
| pH Resolution | 0.001 |
| pH Accuracy | ±0.001 |
| mV Range | –1999.9 to +1999.9 mV |
| mV Accuracy | ±0.1 mV |
| Temperature Compensation | Automatic (ATC: –5 to 130 °C) and Manual (MTC: –30 to 130 °C) |
| Data Endpoint Modes | Auto-read, Manual, Timed Interval |
| Connectivity | RS232, USB |
| GLP Compliance | Full audit trail, user management, calibration history, timestamped records |
| Software Integration | LabX direct control, LIMS compatibility |
| Sample ID Input | Barcode scanner support |
| Automation Ready | Compatible with automated sample changers (e.g., 9-position) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3E |
| Instrument Type | Portable |
| Measurement Parameters | pH, mV (ORP), Temperature |
| pH Accuracy | ±0.01 pH ±1 digit |
| pH Range | −2.00 to 18.00 pH |
| mV Range | −1999 to +1999 mV |
| Temperature Range | 0.0 to 99.9 °C |
| pH Resolution | 0.01 pH |
| mV Resolution | 1 mV |
| Temperature Resolution | 0.1 °C |
| Temperature Compensation | Automatic or Manual (0.0–99.9 °C) |
| Calibration | Two-point calibration with auto-recognition of standard buffers (pH 4.00, 6.86, 9.18) |
| Display | LCD segment display |
| Power Supply | AC 220 V ±10 %, 50 Hz |
| Dimensions (W×D×H) | 300 × 220 × 90 mm |
| Weight | 1.3 kg |
| Electrode Compatibility | E-201-C combination pH electrode |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | FE30 / FE30K |
| Instrument Type | Benchtop |
| Parameter Types | Conductivity, TDS, Salinity, Resistivity, Temperature |
| Measurement Range | 0.00 µS/cm – 199.9 mS/cm (equivalent to 0.00 mg/L – 199.9 g/L TDS) |
| Resolution | Automatic, 0.01 µS/cm to 0.1 mS/cm (conductivity) |
| Accuracy | ±0.5% of reading |
| Calibration Solutions | Standardized US-type conductivity standards (e.g., 84 µS/cm, 1413 µS/cm, 12.88 mS/cm) |
| Temperature Compensation | Linear, with selectable reference temperature (15–25 °C default) |
| Compliance | Designed per IEC 61010-1 for laboratory electrical safety |
| Brand | Truelab |
|---|---|
| Origin | Beijing, China |
| Model | LC-3020 |
| Instrument Type | High-Pressure Preparative HPLC System |
| Flow Rate Range | 0.01–9.99 mL/min (analytical mode) |
| Flow Accuracy | ±0.14% (1 mL/min, deionized water, RT) |
| Flow Precision | 0.03% RSD (1 mL/min, deionized water, RT) |
| Max Pressure | 0–45 MPa (analytical) |
| Wavelength Range | 190–700 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ±1 nm |
| Baseline Noise | 2×10⁻⁵ AU (254 nm, 1 mL/min, methanol) |
| Drift | 1×10⁻⁴ AU/h (254 nm, 1 mL/min, methanol) |
| Detection Limit | 4.7×10⁻⁹ g/mL (naphthalene, 254 nm, 1 mL/min, methanol) |
| Data Acquisition Rate | 5 Hz |
| Gradient Accuracy | ±1% |
| Detector Optical Path | 10 mm (standard), optional 2 mm / 1.25 mm / 0.5 mm flow cells |
| Pump Architecture | Dual-piston serial configuration with electronic pressure pulsation suppression |
| Control Interface | RS-232 and RS-485 |
| Software | Fully remote-controllable chromatography workstation with instrument parameter setting, method development, data acquisition, peak integration, and report generation |
| Brand | SOPOTOP |
|---|---|
| Origin | Shanghai, China |
| Model Series | 721, 722, 7230G, 723PC |
| Optical System | Dual-beam |
| Detector Type | Photodiode Array |
| Wavelength Range | 325–1100 nm (model-dependent) |
| Spectral Bandwidth | 2–5 nm |
| Wavelength Accuracy | ±1.0 nm (7230G & 723PC), ±2.0 nm (721 & 722) |
| Wavelength Repeatability | 0.5–1.0 nm |
| Stray Light | ≤0.2%T at 360 nm (723PC) to ≤0.5%T at 360 nm (721) |
| Photometric Accuracy | ±0.5%T (722/7230G/723PC), ±1.0%T (721) |
| Photometric Repeatability | ±0.2%T (722/7230G/723PC), ±0.5%T (721) |
| Baseline Linearity | ±0.004A (723PC only) |
| Stability | ±0.003A/h (7230G & 723PC), ±0.5%T/5min (721 & 722) |
| Display | 128×64 LCD |
| Dimensions | 456 × 375 × 220 mm |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHSJ-3F |
| Instrument Type | Portable |
| Parameter Types | pH, mV (ORP), Temperature |
| Measurement Accuracy | ±0.01 pH |
| Measurement Range | pH –2.000 to 20.000 |
| Resolution | 0.01 pH / 1 mV / 0.1 °C |
| Accuracy | ±0.01 pH ±1 digit |
| Calibration Solutions | China-standard buffer set (pH 4.01, 6.86, 9.18) |
| GLP Compliance | Yes |
| Data Storage | 500 GLP-compliant records |
| Interface | USB |
| Power | 9 V DC (800 mA, center-positive) |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | SH10A |
| Maximum Capacity | 10 g |
| Readability | 0.005 g |
| Temperature Range | 60–170 °C (±2 °C) |
| Timer Range | 1–30 min |
| Measurement Modes | % Moisture, g Dry Weight |
| Accuracy | ±0.2% |
| Display Range | 0–1 g |
| Pan Diameter | Ø100 mm |
| Dimensions | 290 × 365 × 560 mm |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | S40K / S40 / S40N (SevenMulti Platform) |
| Application | Laboratory-grade ORP and pH/mV/Conductivity/Ion Concentration Measurement |
| pH Range | –2.000 to 20.000 |
| pH Resolution | 0.001 / 0.01 / 0.1 (user-selectable) |
| pH Accuracy (relative) | ±0.002 |
| mV/ORP Range | –2000.0 to +2000.0 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.1 mV |
| Temperature Range | –30.0 to 130.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.1 °C |
| Display | Monochrome LCD |
| Power Supply | External AC adapter |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | KDN-2008 |
| Automation Level | Fully Automated |
| Nitrogen Determination Range | 0.1–200 mg N |
| Sample Capacity | 8 samples per run |
| Steam Distillation Rate | 25 mL/min |
| Relative Standard Deviation (RSD) | ≤1% |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 1200 W |
| Dimensions (L×W×H) | 310 × 300 × 690 mm |
| Net Weight | 28 kg |
| Compliance | ASTM D1142, ISO 8968-1, AOAC 981.10, GB/T 6423–2022 |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | DR3900 |
| Optical Design | Single-beam (with reference compensation logic) |
| Detector | Photodiode Array |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±1.5 nm (340–900 nm) |
| Spectral Bandwidth | 5 nm |
| Wavelength Repeatability | <0.5 nm |
| Stray Light | <0.05% T at 220 nm (KCl) and <0.1% T at 340 nm (NaNO₂) |
| Display | 7″ TFT WVGA Color Touchscreen (800 × 480 pixels) |
| Data Storage | 2000 measurement records (including sample ID, operator ID, date/time, result) |
| Preloaded Methods | >220 EPA-, ISO-, and ASTM-compliant water quality methods |
| User Methods | Up to 100 custom programs |
| Barcode Recognition | Auto-identification of Hach TNTplus® and LCK vial barcodes |
| AQA Compliance | Automated Quality Assurance workflow with scheduled verification, standard validation, interference testing, and audit-trail logging |
| Connectivity | Dual USB ports (front/rear), 10/100 Mbps Ethernet, optional RS-232 |
| Software Integration | Compatible with Hach LINK2SC for bidirectional lab-to-field data synchronization and SC1000 controller correlation |
| Power Supply | 100–240 V AC, 50–60 Hz |
| Dimensions | 151 × 350 × 255 mm (W × D × H) |
| Weight | 4.2 kg |
| Brand | MupuDa |
|---|---|
| Origin | Shanghai, China |
| Model | UV-6100 |
| Optical System | Dual-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤0.1 nm |
| Stray Light | ≤0.03%T at 220 nm and 360 nm |
| Photometric Accuracy | ±0.002 A (0–0.5 A), ±0.004 A (0.5–1.0 A), ±0.2%T (0–100%T) |
| Photometric Repeatability | ≤0.001 A (0–0.5 A), ≤0.002 A (0.5–1.0 A), ≤0.15%T (0–100%T) |
| Baseline Drift | ±0.0003 A/h (at 500 nm, after warm-up) |
| Baseline Flatness | ±0.0005 A |
| Noise Level | 0.0003 Abs (at 500 nm) |
| Scan Speed | High/Medium/Low, up to 3800 nm/min |
| Photometric Range | –4 to +4 A, 0–200%T, 0–9999 C |
| Display | 320 × 240 dot-matrix LCD |
| Data Interface | USB port, parallel printer port |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Dimensions | 590 × 420 × 260 mm |
| Weight | 26 kg |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | UV-2800 / UV-2800PC |
| Optical Design | Dual-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ±0.15 nm |
| Stray Light | ≤0.05% T |
| Baseline Flatness | ±0.001 A |
| Baseline Drift | ≤0.0005 A/h |
| Photometric Accuracy | ±0.3% T |
| Photometric Repeatability | ±0.15% T |
| Display | 320 × 240 LCD |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Measurement Principle | Two-electrode AC conductivity measurement |
| Measurement Range | 0–1×10⁵ µS/cm |
| Accuracy | ±1.5% FS (DDS-11A & DDS-11D), ±1.0% FS (DDS-11C) |
| Resolution | 0.1 µS/cm (analog scale) |
| Calibration Standard | NIST-traceable Chinese national calibration solutions |
| Compliance | GB/T 11018–2021 (Chinese National Standard for Conductivity Meters) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | FE20K |
| Instrument Type | Benchtop (not portable) |
| Parameter Type | Single-parameter (pH/mV/ORP) |
| pH Range | 0.00–14.00 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.01 |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±1 mV |
| Temperature Range | 0.0–100.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Calibration | Up to 3-point, with auto-buffer recognition for 4 pre-defined IUPAC/NIST-compatible buffers |
| Data Storage | 99 measurement records |
| Interface | RS232 |
| Display | Backlit LCD showing pH/mV value, temperature, endpoint status, and calibration indicators |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3C |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH/mV) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.01 pH ±1 digit |
| Input Impedance | ≥1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temperature Compensation Range | 0–60 °C |
| Sample Temperature Range | 5–60 °C |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Calibration Standard | NIST-traceable buffer solutions |
| Display | Large segment LCD with automatic polarity indication for mV |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Types | Multi-parameter (Conductivity, TDS, Temperature) |
| Measurement Range | 0–1.999 × 10⁵ µS/cm |
| Accuracy | ±0.5% FS |
| Resolution | 0.01 µS/cm (DDS-307), 0.01 µS/cm / 0.01 °C (DDS-307A), 0.001 µS/cm (DDS-308) |
| Calibration Standard | NIST-traceable conductivity standards (China-specific formulation) |
| Temperature Compensation | Manual (DDS-307), Automatic (DDS-307A & DDS-308) |
| Output Interface | 0–10 mV analog (DDS-307), RS232 (DDS-308) |
| Display | LED (DDS-307/307A), LCD (DDS-308) |
| Brand | OHAUS |
|---|---|
| Origin | USA |
| Model | MB23 |
| Heating Method | Infrared (MB23/MB25) / Halogen (MB35/MB45) |
| Moisture Range | 0.01–100% (MB35/MB45, standard mode) |
| Readability | 0.01 g (MB23/MB25), 0.001 g / 0.01% (MB35/MB45) |
| Repeatability | ±0.015% (10 g sample, MB45), ±0.05% (10 g sample, MB35), ±0.2% (3 g sample, MB23), ±0.05% (3 g sample, MB45) |
| Temperature Range | 50–160 °C (MB23/MB25), 50–200 °C (MB35/MB45), adjustable in 1 °C or 5 °C increments |
| Timer Range | 1–120 min (MB35/MB45: 10 s resolution up to 60 min |
| MB23/MB25 | 30 s up to 60 min) |
| Pan Diameter | 90 mm |
| Communication | Bidirectional RS232 |
| Compliance | GLP-compliant data logging and print output |
| Brand | Mapada |
|---|---|
| Model | UV-1800 |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.05% T (at 220 nm and 360 nm) |
| Photometric Accuracy | ±0.002 A (0–0.5 A), ±0.004 A (0.5–1 A), ±0.3% T (0–100% T) |
| Photometric Repeatability | ≤0.001 A (0–0.5 A), ≤0.002 A (0.5–1 A), ≤0.15% T (0–100% T) |
| Baseline Drift | ±0.001 A/h (at 500 nm, after warm-up) |
| Baseline Flatness | ±0.002 A (200–1000 nm) |
| Noise Level | 0.0005 Abs (at 500 nm) |
| Photometric Range | –0.3 to 3 A, 0–200% T, 0–9999 C |
| Light Sources | Imported long-life deuterium lamp and tungsten-halogen lamp |
| Display | 128 × 64 dot-matrix LCD |
| Data Interface | USB port + parallel printer port |
| Dimensions | 490 × 360 × 240 mm |
| Weight | 14 kg |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | KDN-103F |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Automation Level | Semi-Automatic |
| Nitrogen Determination Range | 0.1–200 mg N |
| Steam Distillation Rate | 25 mL/min |
| Repeatability (RSD) | ≤0.2% |
| Sample Mass | 0.3–8 g (solid) or 5–30 mL (liquid) |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 1200 W |
| Dimensions (L×W×H) | 360 × 300 × 700 mm |
| Weight | 27 kg |
| Operating Voltage | 220 V ±10%, 50–60 Hz |
| Alkali Addition Volume per Cycle | 150 mL |
| Condensate Reception Volume | 400 mL |
| Acid/Alkali-Resistant Splash Guard Material | High-Performance Molded Polymer |
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