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| Brand | JIAYUAN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | NANO-200 |
| Price | USD 6,750 (FOB Beijing) |
| Sample Volume | 0.5–2 µL |
| Optical Pathlengths | 0.2 mm & 1.0 mm |
| Light Source | Xenon Flash Lamp (>10⁹ flashes) |
| Wavelengths | Fixed at 230 nm, 260 nm, 280 nm |
| Absorbance Accuracy | ±1% |
| Absorbance Precision | ±0.003 Abs |
| Absorbance Range | 0.02–80 (equivalent to 10 mm pathlength) |
| dsDNA Quantitation Range | 10–4000 ng/µL |
| Protein Quantitation Range | 0.1–100 mg/mL |
| Measurement Time | ≤5 s |
| Dimensions | 210 × 268 × 181 mm (W×D×H) |
| Sample Stage Material | Fused Silica Fiber + Hard-Anodized Aluminum |
| Power Supply | 24 V DC |
| Power Consumption | 40 W |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Shanghai, China |
| Model | FE30K |
| Form Factor | Benchtop |
| Conductivity Range | 0.1 μS/cm to 199.9 mS/cm |
| TDS Range | 0.1 mg/L to 199.9 g/L |
| Resistivity Range | 0.1 Ω·m to 19.99 MΩ·cm |
| Salinity Range | 0.00 to 19.99 psu |
| Temperature Range | 0.0 to 100.0 °C |
| Conductivity Accuracy | ±0.5% of reading |
| Temperature Accuracy | ±0.1 °C |
| Temperature Compensation | Linear, adjustable from 0.000 to 10.000 %/°C |
| reference temperatures | 20 °C and 25 °C |
| Calibration | Single-point with three pre-stored standard solutions (84 μS/cm, 1413 μS/cm, 12.88 mS/cm) |
| Display | Backlit LCD showing conductivity/TDS/salinity/resistivity, temperature, stability indicator, calibration status, and compensation settings |
| Power Supply | 100–240 V AC, 50–60 Hz |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FE20K |
| Price | USD 580 (approx.) |
| pH Range | 0.00–14.00 |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| mV Range | ±1999 mV |
| mV Accuracy | ±1 mV |
| Temperature Range | 0–100 °C |
| Calibration Points | Up to 3-point |
| Temperature Compensation | Automatic or Manual |
| Endpoint Detection | Automatic or Manual |
| Buffer Recognition | Yes |
| Electrode Status Indicator | Yes |
| Slope Display | Yes |
| Reference Electrode Input | Yes |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | MB35 |
| Price | USD 2,450 (FOB) |
| Capacity | 35 g |
| Readability | 0.001 g / 0.01% |
| Repeatability (SD) | ±0.18% (3 g sample), ±0.05% (10 g sample) |
| Moisture Range | 0.05–100% |
| Timer | 1–120 min (30-sec intervals ≤60 min |
| Heating Temperature Range | 50–160 °C (5 °C increments) |
| Operating Ambient Temperature | 10–40 °C |
| Display | Backlit LCD, 128 × 64 pixel matrix |
| Data Output | RS232 interface |
| Compliance | GLP-compliant print output |
| Pan Diameter | 9 cm |
| Dimensions (W × H × D) | 19 × 15.2 × 36 cm |
| Weight | Approx. 3.2 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-350 |
| Portability | Portable |
| Conductivity Range | 0.000 µS/cm to 199.9 mS/cm (5 ranges) |
| TDS Range | 0.000 mg/L to 19.99 g/L (5 ranges) |
| Resistivity Range | Not applicable (mislisted in source |
| Salinity Range | (0.00–8.00)% |
| Temperature Range | 0.0–40.0 °C |
| Accuracy | ±1.0% FS (conductivity & TDS), ±0.2% FS (salinity), ±0.3 °C ±1 digit (temperature) |
| Stability | ±0.7% FS / 3 h |
| Resolution | 0.001 µS/cm (lowest range), up to 0.1 mS/cm (highest range) |
| Power | 4 × AA alkaline batteries |
| Dimensions | 210 × 86 × 50 mm |
| Weight | 0.5 kg |
| Data Storage | 100 sets |
| Interface | RS-232 serial port |
| Electrode | DJS-1CF platinized platinum conductivity cell (cell constant 1.0 cm⁻¹), T-818-B-6F thermistor temperature sensor |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NanoDrop™ One |
| Price | USD 16,500 (FOB) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV-1200 |
| Pricing | Available Upon Request |
| Display | 128 × 64 dot-matrix LCD |
| Wavelength Range | 190–1100 nm |
| Optical Resolution | 2.0 nm |
| Photometric Accuracy | ±0.3% T |
| Stray Light | ≤0.05% T at 220 nm and 360 nm |
| Detector | Imported silicon photodiode |
| Grating | 1200 lines/mm holographic blazed grating |
| Sample Compartment | Accommodates 5–100 mm pathlength cuvettes |
| Wavelength Calibration | Automatic (built-in holmium oxide or deuterium lamp reference) |
| Light Source Control | Auto-switching between D₂ (UV) and W-type tungsten-halogen (VIS/NIR) lamps with real-time lamp hour monitoring |
| Data Interface | USB 2.0 |
| Curve Storage | Up to 200 user-defined calibration curves |
| Software Compatibility | Windows-based PC control and data analysis suite (optional) |
| Brand | OHAUS |
|---|---|
| Origin | Shanghai, China |
| Model | MB25 |
| Capacity | 110 g / 99 g (max. sample + tare) |
| Readability | 0.01 g (≤10 g), 0.005 g (>10 g) |
| Moisture Readability | 0.05% (for samples >10 g) |
| Repeatability | 0.2% (3 g sample), 0.05% (10 g sample) |
| Minimum Sample Mass | 0.5 g |
| Recommended Sample Mass | 3–20 g |
| Pan Diameter | 90 mm |
| Heating Source | Halogen lamp |
| Temperature Range | 50–160 °C (in 5 °C increments) |
| Heating Time | 1–60 min (30 s step), 60–90 min (1 min step) |
| End-point Modes | Timed, Automatic |
| Display | Backlit LCD showing moisture %, solids %, weight, time, temperature |
| Interface | Bidirectional RS232 |
| Operating Environment | 10–30 °C |
| Dimensions (W×H×D) | 165 × 127 × 280 mm |
| Net Weight | 2.1 kg |
| Gross Weight | 4.2 kg |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Brand | BIO-DL |
|---|---|
| Origin | Shanghai, China |
| Model | Micro Drop |
| Wavelength Range | 185–910 nm |
| Minimum Sample Volume | 0.5 µL |
| Pathlength Adjustment | 0.05–1 mm (automated) |
| dsDNA Detection Range | 2–15,000 ng/µL |
| Absorbance Accuracy | ±3% at 0.65 Abs (350 nm) |
| Absorbance Precision | 0.002 Abs (1 mm pathlength) |
| Spectral Resolution | <1.8 nm FWHM (Hg 253.7 nm) |
| Wavelength Accuracy | ±1 nm |
| Absorbance Range | 0.02–300 (equivalent to 10 mm pathlength) |
| Cuvette Mode Temperature Control | 37 ± 0.5 °C |
| Cuvette Pathlength Options | 1, 2, 5, 10 mm |
| Wireless Connectivity | Wi-Fi enabled |
| Dimensions | 220 × 135 × 180 mm |
| Weight | 2.1 kg |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV752 |
| Price | USD 1,280 (FOB Shanghai) |
| Optical System | Achromatic Czerny-Turner with 1200 lines/mm grating |
| Wavelength Range | 195–1020 nm |
| Wavelength Accuracy | ±2 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Repeatability | 1 nm |
| Stray Light | ≤0.3%T at 360 nm |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | ±0.2%T |
| Photometric Range | 0–200%T, –0.301–2.000 A |
| Baseline Drift | ≤0.2%T/h |
| Baseline Linearity | ±0.004 A/h @ 500 nm |
| Noise | ≤0.3%T at 100%T |
| Stability | ±0.004 A/h @ 500 nm |
| Operating Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Display | 4-digit LED LCD |
| Zero Adjustment | Automatic |
| Wavelength Drive | Manual |
| Lamp Source | Imported tungsten lamp and deuterium lamp |
| Lamp Switching | Manual |
| Printer Interface | Parallel port (thermal printer, optional) |
| Net Weight | 12 kg |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | DSH-50A |
| Max Capacity | 50 g |
| Readability | 1 mg |
| Repeatability (3 g sample) | ±0.2% |
| Minimum Sample Mass | 0.5 g |
| Recommended Sample Mass | 3–10 g |
| Heating Temperature Range | 50–180 °C |
| Heating Time Setting | 1–99 min (1-min increments) |
| Heating Source | Halogen lamp |
| Pan Diameter | 100 mm |
| Dimensions (W×D×H) | 265 × 160 × 150 mm |
| Net Weight | 5 kg |
| Gross Weight | 6 kg |
| Interface | RS-232C |
| Display | Backlit dot-matrix LCD |
| End-point Detection | Timer-based & automatic moisture stabilization algorithm |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Italy |
| Model | FE28 |
| Instrument Type | Benchtop |
| Parameter Types | pH and mV (single-channel) |
| pH Measurement Range | -2 to 16 |
| pH Resolution | 0.01 / 0.1 |
| pH Accuracy | ±0.01 |
| mV Measurement Range | 0 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±1 |
| Temperature Range | -5 °C to 105 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Data Storage Capacity | 200 measurements |
| Connectivity | RS232 and USB |
| Electrode Included | LE438 pH electrode |
| ISM Support | Not supported |
| Calibration Solution Compatibility | China-specific calibration buffers |
| Compliance | Designed for GLP-compliant routine lab use |
| Brand | Jiayuan |
|---|---|
| Origin | Beijing, China |
| Model | NANO-100 |
| Sample Volume | 0.5–2 µL |
| Optical Path Lengths | 0.2 mm (high-concentration mode), 1.0 mm (standard mode) |
| Light Source | Xenon flash lamp (≥10⁹ flashes, ~10-year lifetime) |
| Detector | 3864-element linear CCD array |
| Wavelength Range | 200–850 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Resolution | 3 nm (FWHM at Hg 546 nm) |
| Absorbance Accuracy | ±1% (at 7.332 A, 260 nm) |
| Absorbance Precision | ±0.003 A |
| Absorbance Range | 0.02–90 A (equivalent to 10-mm path length) |
| Measurement Time | <5 s |
| Dimensions | 200 × 250 × 166 mm (W×D×H) |
| Weight | 2.6 kg |
| Sample Stage Material | Fused silica optical fiber + hardened aluminum |
| Power Supply | 24 V DC |
| Power Consumption | 20 W |
| Software Platform | Windows XP / Windows 7 (32/64-bit) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual (pH/mV) |
| Measurement Range | pH (0.00–14.00), mV (−1999 to +1999) |
| Resolution | 0.01 pH / 1 mV |
| Accuracy | ±0.01 pH ±1 digit |
| Temperature Compensation | Manual (0.0–60.0 °C) |
| Display | Segment LCD |
| Calibration | Auto-buffer recognition, 2-point calibration |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions & Weight | 300 × 220 × 90 mm, 1 kg |
| Compliance | Meets JJG 919–2008 (Chinese National Verification Regulation for pH Meters) |
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