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| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | 752 |
| Optical System | Single-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 200–1000 nm |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2.0 nm |
| Wavelength Repeatability | 1 nm |
| Stray Light | ≤0.5% T (at 220 nm and 360 nm) |
| Transmittance Accuracy | ±0.5% T |
| Transmittance Repeatability | ±0.2% T |
| Baseline Drift | ±0.003 A/h |
| Display | 128×64 LCD |
| Dimensions | 455 × 430 × 220 mm |
| Data Interface | USB |
| Wavelength Setting | Manual (keyboard-input with 6 preset wavelengths) |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | Cora 100 |
| Instrument Type | Handheld Raman Spectrometer |
| Spectral Range | 400–2300 cm⁻¹ |
| Spectral Resolution | ≤10 cm⁻¹ |
| Spatial Resolution | <1 mm |
| Minimum Wavenumber | 400 cm⁻¹ |
| Spectral Reproducibility | High repeatability across repeated measurements on identical samples |
| Laser Wavelength | 785 nm |
| Laser Power at Sample | >215 mW (output: 300 mW) |
| Detector | Linear CCD Array |
| Display | 3.5″ Transmissive TFT with LED Backlight |
| Operating System | Embedded Linux |
| Data Format | Text (.txt, .csv, .spc) |
| Interface | USB 2.0 |
| Battery | Rechargeable Li-ion (≈60 scans per charge, non-user-replaceable) |
| Dimensions | 15.8 × 10.1 × 2.9 cm |
| Weight | 650 g |
| IP Rating | IP67 |
| Operating Temperature | −20 °C to +40 °C |
| Storage Temperature | −30 °C to +50 °C |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | T7 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Measurement Range | −2000 to +2000 mV |
| Meter Accuracy | ±0.2 mV |
| Meter Resolution | 0.1 mV |
| Titration Precision | ±0.2 mV |
| Compliance | Designed for GLP/GMP environments with full audit trail support per FDA 21 CFR Part 11 requirements |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| pH Range | 0.00–14.00 pH |
| mV Range | 0–±1999.0 mV |
| Temperature Range | −5.0–105.0 °C |
| pH Resolution | 0.01 pH |
| mV Resolution | 0.1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy | ±0.01 pH ± 1 digit |
| mV Accuracy | ±0.03% FS |
| Temperature Accuracy | ±0.3 °C ± 1 digit |
| Conductivity Range | 0.000–199.9 µS/cm |
| Conductivity Resolution | 0.001 µS/cm |
| Conductivity Accuracy | ±0.5% FS |
| Polarographic Current Ranges | 0–199.9 µA, 0–19.99 µA, 0–1.999 µA, 0–0.199 µA |
| Polarization Voltage Options | 3, 50, 100 mV |
| Titration Precision | ±0.03% FS |
| Titration Resolution | 1/1,500,000 |
| Endpoint Detection Sensitivity (Potentiometric) | ±2 mV |
| Endpoint Detection Sensitivity (Amperometric) | ±5% FS |
| Repeatability of Titration Analysis | 0.2% |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDSJ-308F |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0.000 µS/cm to 199.9 mS/cm |
| TDS Range | 0.000 mg/L to 99.9 g/L |
| Resistivity Range | 5.00 Ω·cm to 20.00 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −5.0 to 110.0 °C |
| Accuracy | ±0.5 % FS (Conductivity/TDS), ±0.1 % FS (Salinity), ±0.2 °C (Temperature) |
| Minimum Resolution | 0.001 µS/cm |
| Stability | ±0.3 % FS / 3 h |
| Temperature Compensation | Automatic or Manual (−5.0 to 135.0 °C) |
| Data Storage | 200 datasets per parameter (Conductivity, TDS, Salinity), GLP-compliant |
| Interface | USB |
| Power Backup | Non-volatile memory retention on power loss |
| Brand | Soptop |
|---|---|
| Origin | Shanghai, China |
| Model | GC1120 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Oven Temperature Range | 7 °C above ambient to 400 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Rate | ~10 min from 300 °C to 50 °C |
| Carrier Gas Flow Range | 0–1200 mL/min |
| Carrier Gas Pressure Range | 0–900 kPa |
| Injector Maximum Temperature | 400 °C |
| Injector Pressure Setting Range | 0–900 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Temperature Program | 8-stage ramping |
| Isothermal Hold Time | 0–655 min |
| FID Sensitivity | ≤8×10⁻¹² g/s (C₁₆) |
| TCD Sensitivity | ≥5000 mV·mL/mg (C₁₆) |
| ECD Detection Limit | ≤1×10⁻¹³ g/mL (γ-BHC) |
| FPD Detection Limit | ≤1×10⁻¹¹ g/s (P), ≤1×10⁻¹⁰ g/s (S) |
| NPD Detection Limit | ≤5×10⁻¹² g/s (N), ≤5×10⁻¹³ g/s (P) |
| PID Detection Limit | ≤1 ppb (benzene) |
| Maximum PID Operating Temperature | 350 °C |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | 722 |
| Optical System | Single-beam |
| Detector Type | Photodiode Array |
| Wavelength Range | 325–1000 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ±1 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.5% T (at 360 nm) |
| Transmittance Accuracy | ±0.5% T |
| Transmittance Repeatability | ±0.2% T |
| Baseline Stability | ≤±0.5% T / 5 min |
| Measurement Modes | Transmittance (0–199.9% T), Absorbance (−0.3 to 2.5 A), Factor (F: 0–9999), Concentration (C: 0–9999) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDS-307A |
| Instrument Type | Benchtop Single-Parameter Conductivity Meter |
| Conductivity Range | 0.00 μS/cm to 100 mS/cm |
| TDS Range | 0–1000 mg/L |
| Resistivity Range | 0.00 Ω·cm to 100 MΩ·cm (derived from conductivity) |
| Salinity Range | 0–1000 mg/L NaCl equivalent |
| Temperature Range | 0–60 °C |
| Accuracy | ±1% FS (conductivity & TDS), ±0.3 °C (temperature) |
| Minimum Resolution | 0.01 μS/cm |
| Temperature Compensation | Manual or Automatic (0–40 °C) |
| Electrode Compatibility | DJS-1C platinized platinum conductivity cell (K = 1.0 cm⁻¹), T-818-B-6 thermistor probe |
| Cell Constant Options | 0.01 cm⁻¹ titanium alloy electrode for ultrapure water measurement |
| Display | LCD segment-type, large-character format |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-350 |
| Portability | Portable |
| Intended Use | Laboratory & Field |
| Conductivity Range | (0.00–1.999×10⁵) µS/cm (5 auto-ranging spans) |
| TDS Range | (0.00–19,990) mg/L (5 auto-ranging spans) |
| Salinity Range | (0.00–8.00)% |
| Resistivity Range | 0–100 MΩ·cm |
| Temperature Range | (0.0–40.0) °C |
| Conductivity Accuracy | ±1.0% FS ±1 digit |
| Salinity Accuracy | ±0.2% ±1 digit |
| Temperature Accuracy | ±0.3 °C ±1 digit |
| Temperature Compensation | 0.0–40.0 °C (reference 25 °C for conductivity, 18 °C for salinity) |
| Electrode Constants Available | 0.01, 0.1, 1.0, 10.0 cm⁻¹ |
| Data Storage Capacity | 250 sets |
| Interface | RS-232 |
| IP Rating | IP65 |
| Power Management | Low-power design with low-battery indicator and auto-off |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Shanghai, China |
| Model | HE83 |
| Heating Source | Halogen Lamp |
| Weighing Range | 81 g |
| Readability | 1 mg |
| Temperature Range | 50–200 °C (adjustable in 1 °C increments) |
| Moisture Determination Accuracy | ±0.01% |
| Heating Uniformity | Enhanced via Gold-Coated Radiator |
| Calibration | Integrated Balance & Heater Calibration Routines |
| Method Development | Automated Three-Step Method Optimization |
| Security | Three-Tier Password Protection |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHBJ-260 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (pH/mV/T) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH ±1 digit |
| Temperature Compensation | Manual/Automatic (0–99 °C) |
| Display | Backlit LCD with blue illumination |
| Data Storage | 200 sets |
| Interface | RS-232 |
| IP Rating | IP65 |
| Power Supply | 4 × AA alkaline batteries |
| Buffer Options | Five selectable Chinese-standard pH calibration solutions |
| Measurement Modes | pH, mV (ORP), and temperature (−5.0–105.0 °C) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FP650 |
| Price | USD 1,280 (FOB Shanghai) |
| Detection Range (Clinical Mode) | K: 0.0–9.9 mmol/L, Na: 0.0–199 mmol/L |
| Repeatability | CV ≤ 2% |
| Linearity Error | ≤ 5% |
| Low-Range Mode | K: 0.0–19.9 mmol/L / Na: 0.0–199 mmol/L |
| Extended-Range Mode | K: 0.0–80 mmol/L / Na: 0.0–800 mmol/L |
| Fuel Gas | Liquefied Petroleum Gas (LPG) |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | UV2800PC |
| Optical System | Dual-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Spectral Bandwidth | 1.8 nm |
| Stray Light | ≤0.05%T at 220 nm and 360 nm |
| Display | 320×240 LCD (6-inch) |
| Software | UV-Solution 3.0 |
| Compliance | ASTM E275, ISO 6223, USP <857>, GLP-ready audit trail support |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | UV2600PC |
| Optical System | Ratio-monitoring double-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Spectral Bandwidth | 1.8 nm |
| Stray Light | ≤0.05% T (at 220 nm and 360 nm) |
| Wavelength Repeatability | ≤0.2 nm |
| Photometric Accuracy | ±0.3% T |
| Photometric Repeatability | ≤0.1% T |
| Baseline Flatness | ±0.002 A |
| Drift | ≤0.001 A/h (at 500 nm) |
| Display | 320 × 240 pixel 6-inch LCD |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHSJ-3F |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV/T) |
| Measurement Range | –2.000 to 20.000 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH ±1 digit |
| Temperature Compensation | Automatic or Manual (–5.0 to 135.0 °C) |
| Buffer Recognition | Auto-detection of 5 standard Chinese calibration buffers |
| Calibration Points | Up to 3-point pH calibration |
| Isoelectric Point Options | 3 selectable (for ultrapure water, boiler water, and low-ionic-strength samples) |
| Data Storage | 500 GLP-compliant measurement records |
| Interface | USB port with dedicated PC communication software |
| Display | Dot-matrix LCD with simultaneous readout of pH, mV, temperature, electrode slope, isoelectric point, mode, date/time |
| Enclosure Material | Flame-retardant polycarbonate (PC) front panel |
| Power | AC adapter with battery backup (data protection during power loss) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHS-3C |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV) |
| Measurement Accuracy | ±0.01 pH ±1 digit |
| Measurement Range | pH: 0.00–14.00 |
| mV | −1999–+1999 |
| Resolution | 0.01 pH |
| Input Impedance | 1 × 10¹² Ω |
| Stability | ±0.01 pH ±1 digit / 3 h |
| Temperature Compensation Range | 0–60 °C |
| Display | 3½-digit LED |
| Calibration Options | One-point or two-point calibration |
| Compliance | Meets Chinese National Standard GB/T 24375–2009 for laboratory pH meters |
| Power Supply | AC 220 V ± 22 V, 50 Hz ± 1 Hz |
| Dimensions | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | 723PC |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 325–1100 nm (0.1 nm step) |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1.0 nm (auto-calibrated at startup) |
| Wavelength Repeatability | ±0.5 nm |
| Stray Light | ≤0.2% T (at 360 nm) |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.2% T |
| Baseline Drift | ±0.002 A/h |
| Baseline Linearity | ±0.004 A |
| Absorbance Range | –0.5 to 3.000 A |
| Transmittance Range | –1.0 to 200.0% T |
| Display | 128 × 64 dot-matrix LCD |
| Dimensions | 455 × 430 × 220 mm |
| Software | UV-Solution 2.0 workstation (scan, kinetics, quantitative analysis, standard curve fitting) |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | LC1620 |
| Flow Rate Range | 0.001–9.999 mL/min |
| Max Operating Pressure | 45 MPa |
| Autosampler Capacity | 80 positions |
| Injection Volume Range | 1–50 µL |
| Column Oven Temperature Range | Ambient +10°C to 60°C |
| UV-Vis Wavelength Range | 190–700 nm |
| Data Acquisition Rate | 100 Hz |
| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | 756PC |
| Optical Design | Single-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1.0 nm |
| Wavelength Repeatability | 0.5 nm |
| Stray Light | ≤0.15% T (at 220 nm and 340 nm) |
| Absorbance Range | –0.5 to 3.000 A |
| Transmittance Range | –1.0 to 200.0% T |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.2% T |
| Baseline Linearity | ±0.004 A |
| Baseline Drift | ±0.003 A/h |
| Display | 128 × 64 LCD |
| Dimensions | 455 × 430 × 220 mm |
| Interface | USB port |
| Software | UV-Solution 2.0 workstation software |
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