Chromatographic Detector
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| Brand | Tongtian |
|---|---|
| Model | TBD-3000 |
| Detection Wavelengths | 214, 230, 260, 280 nm (customizable) |
| Noise Level | ≤ 0.0004 A |
| Drift | ≤ 0.002 A/h (at constant ambient temperature) |
| Optical Path Length | 3 mm |
| Flow Cell Volume | 212 µL |
| Display | 128 × 32 LCD |
| Power Consumption | ≤ 25 W |
| Input Voltage | 220 V ± 10%, 50 Hz |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤ 70 % RH |
| Dimensions (W × H × D) | 360 × 160 × 255 mm |
| Weight | 4 kg |
| Beam Configuration | Dual-beam optical design |
| Compliance | Designed for integration into GMP/GLP-compliant chromatography workflows |
| Brand | TOSOH |
|---|---|
| Origin | USA |
| Model | LENS3 |
| Detection Angles | 10° (LALS), 90° (RALS), 170° (HALS) |
| Laser Wavelength | 505 nm |
| Molecular Weight Range | 200–10⁷ Da |
| Radius of Gyration (Rg) Range | 2 nm–>50 nm |
| Dimensions | 36.5 × 48.5 × 13 cm (W×D×H) |
| Weight | 16 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 | Ulink Optoelectronics |
|---|---|
| Origin | Beijing, China |
| Model | UC-3291 |
| Detector Type | Ultraviolet Absorbance Detector (UVD) |
| Wavelength Options | 254 nm, 280 nm, 365 nm, 415 nm |
| Light Source | Low-Pressure Mercury Lamp / LED Hybrid |
| Lamp Lifetime | 5,000 h |
| Noise | 4 × 10⁻⁵ AU (at 1 mL/min in methanol) |
| Drift | 3 × 10⁻⁴ AU/h (at 1 mL/min in methanol) |
| Minimum Detectable Concentration | 2 × 10⁻⁸ g/mL (naphthalene standard, 1 mL/min in methanol) |
| Auto-Zero Function | Local panel or remote via RS-232/RS-485 |
| Linear Range | 0–2.5 AU |
| Display | 2-line × 8-character LCD |
| Dimensions (L×H×D) | 130 × 210 × 110 mm |
| Weight | 1.7 kg |
| Flow Cell Options | Analytical and Semi-Preparative Configurations |
| Brand | Ultron |
|---|---|
| Model | UC-3292 |
| Detector Type | Ultraviolet-Visible Absorbance Detector (UVD) |
| Wavelength Range | 190–740 nm |
| Cutoff Filter | 370 nm |
| Light Sources | Deuterium Lamp (standard), Tungsten-Halogen Lamp (optional) |
| Spectral Bandwidth | 8 nm |
| Wavelength Accuracy | ±1 nm |
| Noise | ≤2 × 10⁻⁵ AU (at 254 nm, 1 mL/min, methanol) |
| Drift | ≤15 × 10⁻⁵ AU/h (at 254 nm, 1 mL/min, methanol) |
| Minimum Detectable Concentration | 5 × 10⁻⁹ g/mL (naphthalene standard, 254 nm, 1 mL/min, methanol) |
| Absorbance Range | 0–2 AU |
| Display | 2×16-character LCD (English) |
| GLP Functions | Lamp operating time logging, ignition cycle counter |
| Flow Cell Design | Z-shaped thermostatted flow cell |
| Optical Design | Dual-beam compensation |
| Data Output | 24-bit A/D conversion, RS232 interface, analog output (0–1 V or 0–5 V) |
| Dimensions (L×H×D) | 200 × 210 × 420 mm |
| Weight | 7.1 kg |
| Brand | Ultron |
|---|---|
| Model | UC-3293 |
| Wavelength Range | 190–740 nm |
| Cutoff Filter | 370 nm |
| Light Source | Deuterium Lamp (standard), Tungsten-Halogen Lamp (optional) |
| Spectral Bandwidth | 8 nm |
| Wavelength Accuracy | ±1 nm |
| Noise | 2 × 10⁻⁵ AU (at 254 nm, 1 mL/min, methanol) |
| Drift | 1.5 × 10⁻⁴ AU/h (at 254 nm, 1 mL/min, methanol) |
| LOD (Naphthalene) | 5 × 10⁻⁹ g/mL |
| Absorbance Range | 0–2 AU |
| Display | 2×16 Character LCD |
| GLP Features | Lamp operating time logging, ignition cycle counter |
| Dimensions (L×H×D) | 306 × 210 × 420 mm |
| Weight | 10 kg |
| Output Interface | RS232, Analog Output (0–1 V / 0–5 V / 0–10 V configurable) |
| Flow Cell Design | Z-shaped, thermostatically controlled |
| Optical Path | Dual-beam |
| Wavelength Scanning | Stop-flow spectral scan capability |
| Wavelength Programming | User-defined wavelength sequences |
| Calibration | Automatic wavelength calibration at power-on |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DAD-2000 |
| Instrument Type | Diode Array Detector (DAD) |
| Wavelength Range | 200–800 nm |
| Detection Method | Simultaneous Multi-Wavelength Photodiode Array |
| Light Source | Deuterium Lamp + Tungsten Lamp |
| Output Interfaces | Digital (USB/Ethernet) and Analog (0–1 V, 0–5 V, 0–10 V) |
| Compatible Systems | HPLC, UHPLC, and Modular LC Platforms |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | EasySep®-3030FLD |
| Instrument Type | Fluorescence Detector (FD) |
| Wavelength Range | 200–800 nm |
| Light Source | Xenon Lamp |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | ELSD-UM4800 |
| Price Range | USD 7,000–14,000 (FOB Shanghai) |
| Compatible Systems | HPLC (all major brands) |
| Detector Type | Evaporative Light-Scattering Detector (ELSD) |
| Brand | Unimicro Technologies |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | TriSep®-3000LIF |
| Detection Principle | Laser-Induced Fluorescence (LIF) |
| Excitation Wavelengths | 375 nm, 488 nm, 532 nm, 638 nm (custom wavelengths available) |
| Detection Mode | Dual-Beam |
| Light Source | Semiconductor Laser Diode |
| Compatible Systems | Capillary Electrophoresis (CE), Capillary Electrochromatography (CEC), Microbore HPLC, Capillary LC, Microfluidic Chips, Conventional HPLC |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | UM 5800 |
| Instrument Type | Evaporative Light Scattering Detector (ELSD) |
| Power Supply | 220 V, 50 Hz |
| Dimensions (L×W×H) | 460 × 330 × 220 mm |
| Operating Environment | 15–40 °C, RH < 90% |
| Nebulizer Gas | Nitrogen or compressed air |
| Gas Pressure Range | 2–5 bar |
| Gas Flow Rate | 1–4 L/min |
| Gas Flow Accuracy | ≤1% or ±0.02 L/min |
| Gas Pressure Detection Resolution | 0.01 bar |
| Evaporation Temperature Range | Ambient to 130 °C |
| Temperature Increment | 1 °C |
| Temperature Control Accuracy | ±1 °C |
| Liquid Flow Rate Compatibility | 10 μL/min – 3 mL/min |
| Baseline Noise | <0.03 mV |
| Baseline Drift | <0.03 mV/h |
| Minimum Detectable Mass | <1 ng |
| Typical Quantitative Range | 0.1 μg – 30 μg |
| Quantitative Reproducibility (RSD₆) | <2% |
| Light Source | 650 nm semiconductor laser |
| Detection Element | Photomultiplier tube (PMT) |
| Signal Output | 0–1 V DC |
| Interface | RS-232 |
| Alarm Functions | Real-time temperature, gas pressure, and flow rate monitoring |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Evaporative Light Scattering Detector (ELSD) |
| Model | UM4800 |
| Evaporation Zone Temperature Range | Ambient to 130 °C |
| Nebulizing Gas | Nitrogen or Compressed Air |
| Gas Flow Rate | 1–4 L/min |
| Baseline Drift | <1.0 mV/h (under specified conditions: 1 mL/min flow, 10% methanol mobile phase, 40 °C evaporation temperature, 3 L/min gas flow) |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | UM5000 |
| Price Range | USD 7,000 – 14,000 (FOB Shanghai) |
| Compatible Instrument | High-Performance Liquid Chromatography (HPLC) Systems |
| Detector Type | Evaporative Light-Scattering Detector (ELSD) |
| Light Source | Laser Diode |
| Wavelength | 650 nm |
| Detection Principle | Light Scattering of Nebulized and Evaporated Analyte Particles |
| Operating Mode | Beam Transmission Method |
| Evaporation Temperature Range | Up to 130 °C (adjustable, low-temperature optimized) |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | Yes |
| Instrument Type | Evaporative Light-Scattering Detector (ELSD) |
| Model | UM5000A |
| Detection Principle | Nebulization–evaporation–light scattering |
| Light Source | 650 nm semiconductor laser diode |
| Detector | Photomultiplier tube (PMT) |
| Evaporation Zone Temperature Range | Ambient to 130 °C (±1 °C control accuracy) |
| Nebulizing Gas | Nitrogen or compressed air (2–5 bar, ±0.01 bar pressure accuracy |
| Solvent Flow Rate Compatibility | 10 µL/min – 3 mL/min |
| Detection Limit | <1 ng (glucose, direct injection) |
| Baseline Noise | <0.05 mV (at 1 mL/min) |
| Baseline Drift | <0.5 mV (at 1 mL/min) |
| Quantitative Range | 0.1–30 µg (glucose, HPLC) |
| Quantitative Repeatability | RSD₆ < 2% (glucose, 1 mL/min) |
| Signal Output | 0–10 mV DC or 0–1 V DC |
| Interface | RS232 |
| Compliance | Designed for GLP/GMP environments with audit-trail-capable software logging |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | UM5800 |
| Instrument Type | Evaporative Light Scattering Detector (ELSD) |
| Wavelength | 650 nm |
| Detection Principle | Evaporative Light Scattering |
| Light Source | Semiconductor Laser |
| Power Supply | 220 V, 50 Hz |
| Dimensions (W×D×H) | 460 × 330 × 220 mm |
| Operating Temperature | 15–40 °C |
| Relative Humidity | <90% RH |
| Evaporation Temperature Range | Ambient to 130 °C |
| Temp. Increment | 1 °C |
| Temp. Accuracy | ±1 °C |
| Carrier Gas | Nitrogen or Compressed Air |
| Gas Input Pressure | 2–5 bar |
| Pressure Sensing Accuracy | 0.01 bar |
| Gas Flow Rate | 1–4 L/min |
| Flow Accuracy | ≤1% or ±0.02 L/min |
| Liquid Flow Compatibility | 10 μL/min – 3 mL/min |
| Baseline Noise | <0.03 mV |
| Baseline Drift | <0.3 mV/h |
| Limit of Detection (LOD) | <1 ng (on-column, glucose) |
| Typical Quantitative Range | 0.1–30 μg (glucose) |
| Precision (RSD₆) | <2% (glucose) |
| Signal Output | 0–1 V DC |
| Interface | RS-232 |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | UM5800Plus |
| Instrument Type | Evaporative Light Scattering Detector (ELSD) |
| Light Source | Solid-State Laser |
| Detection Principle | Light Scattering of Nebulized and Dried Analyte Particles |
| Wavelength | Fixed-Wavelength Laser (Typical 650 nm) |
| Signal Output | Dual-Mode — Digital (USB/RS-232) and Analog (±2.4 V DC) |
| Gain Adjustment | 7-Step Programmable Gain Control |
| Method Storage Capacity | 100 Predefined Methods |
| Display | Integrated High-Resolution TFT Screen with Real-Time Chromatogram Rendering |
| Control Architecture | Fully Software-Reverse-Controlled (Temperature, Nebulizer Gas Flow, Gain, Detection Threshold) |
| Compliance | GLP-Ready with Audit Trail Logging, Password-Protected Access, Error Log Archiving |
| Brand | Unimicro Technologies |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | UNIEX-7700 |
| Compatible Instrument | Liquid Chromatography (LC) Systems |
| Detector Type | Evaporative Light Scattering Detector (ELSD) |
| Wavelength | 650 nm |
| Detection Mode | Dual-Beam |
| Light Source | Semiconductor Laser Diode |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (PRC) |
| Model | URI-3000 RID |
| Detection Principle | Differential Refractive Index (dRI) |
| Wavelength Range | 0.25–512 µRIU |
| Light Source | Tungsten Halogen Lamp |
| Compatible Systems | HPLC (Universal Analog Output + Optional Digital Interface) |
| Compliance | Designed for GLP/GMP-aligned QC environments |
| Software Integration | Unimicro ChromaControl™ (Optional) |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Manufacturer |
| Product Origin | Domestic (China) |
| Model | TriSep-2100 |
| Compatible Instrument | HPLC Systems |
| Detector Type | Laser-Induced Fluorescence (LIF) Detector |
| Excitation Wavelength | 488 nm |
| Optical Configuration | Dual-Beam Design |
| Light Source | Solid-State Semiconductor Laser |
| Detection Limit | 1 × 10⁻¹¹ mol/L |
| Photomultiplier Tube (PMT) | High-Sensitivity, Wide Dynamic Range, Single-Photon Counting Capable |
| Optical Path Design | Patented Modular Flow Cell with Precision Window Positioning Mechanism |
| Software | Integrated Data Acquisition and Quantitative Analysis Suite Supporting Baseline Correction, Peak Integration, Calibration Curve Fitting, and Audit-Trail Logging |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | UV-Vis Absorbance Detector |
| Model | Trisep®-2100 |
| Light Sources | Deuterium Lamp & Tungsten-Halogen Lamp |
| Wavelength Range | 190–600 nm |
| Spectral Bandwidth | 8 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ±0.1 nm |
| Baseline Drift | ≤5 × 10⁻⁴ AU/h |
| Baseline Noise | ≤6 × 10⁻⁶ AU (RMS, 1 s time constant) |
| Absorbance Range | 0.0001–2.56 AU Full Scale (AUFS) |
| D₂ Lamp Lifetime | ≥2000 h |
| Operating Temperature | 4–35 °C |
| Dimensions (W×H×D) | 260 × 140 × 430 mm |
| Brand | Unimicro Technologies |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Evaporative Light Scattering Detector (ELSD) |
| Compatible System | Liquid Chromatography (HPLC/UHPLC) |
| Light Source | Laser Diode |
| Detection Principle | Laser-based light scattering after nebulization and solvent evaporation |
| Wavelength | Fixed laser wavelength (typical 635–650 nm) |
| Noise Level | < 0.01 mV |
| Baseline Drift | < 0.1 mV |
| Detection Limit (LOD) | < 1 × 10⁻⁷ g on-column (for typical non-volatile analytes) |
| Signal Gain | Multi-step adjustable (6–8 discrete gain levels) |
| Temperature Control | Dual-zone heated drift tube (ambient to 120 °C, ±0.5 °C stability) |
| Operating Modes | High-Temp Mode & Low-Temp Mode (user-selectable) |
| Brand | VICI |
|---|---|
| Origin | USA |
| Model Compatibility | Agilent 8890 / 7890 / 6890 GC |
| Detection Modes | Pulsed DC Helium Discharge (Electron Capture & Helium Photoionization) |
| Detection Limits | Sub-pg to fg (EC mode) |
| Temperature Stability | ±0.02 °C (TCD variant) |
| Carrier Gas Purification | Valco HP2 (He/Ar/Ne/Kr/Xe), NP2 (N₂), <1 ppm reactive impurities |
| Brand | Waters |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Charged Aerosol Detector |
| Pricing | Upon Request |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Diode Array Detector (DAD) |
| Wavelength Range | 190–800 nm |
| Baseline Drift | ≤ 3 × 10⁻⁵ AU/h |
| Wavelength Accuracy & Reproducibility | ≤ ±0.1 nm |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ELSD |
| Compatible Instrument | Liquid Chromatography (HPLC/UHPLC) |
| Detector Type | Evaporative Light Scattering Detector (ELSD) |
| Wavelength Range | Visible Light (400–700 nm) |
| Detection Principle | Light Scattering of Nebulized Analyte Particles |
| Light Source | High-Stability LED |
| Nebulization/Evaporation/Detection Gas Flow | Independently Controlled Triple-Gas System |
| Display | 7-inch Capacitive Touchscreen LCD |
| Operating Temperature Range | Ambient to 120 °C (Evaporator), Adjustable in 1 °C Increments |
| Sensitivity | Sub-nanogram Level for Non-Volatile and Semi-Volatile Compounds |
| Compliance | Designed to Support GLP/GMP Environments with Audit-Trail-Capable Software Integration |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | FLD |
| Instrument Type | Fluorescence Detector (FD) |
| Wavelength Range | 200–650 nm |
| Detection Mode | Fluorescence |
| Light Source | Mercury-Xenon Lamp |
| Display Interface | Touchscreen LCD |
| Data Output | Dual Analog Channels |
| Communication Interfaces | RS232, Ethernet |
| Compatible System | High-Performance Liquid Chromatography (HPLC) |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | RID-2000 |
| Detector Type | Refractive Index Detector (RID) |
| Signal Channels | 2 |
| Compatible System | HPLC |
| Output Modes | Digital Protocol (RS-485/Modbus) & Analog (0–5 V / 4–20 mA) |
| Display | 7-inch Capacitive Touch LCD |
| Light Source | Long-life High-Stability LED |
| Temperature Control | Precision Heated Flow Cell with PID Regulation |
| Leak Detection | Integrated Photoelectric Sensor with Real-time Alert |
| Compliance | Designed for ISO/IEC 17025-aligned QC labs |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | UV Detector |
| Instrument Type | Ultraviolet-Visible (UV-Vis) Chromatographic Detector |
| Wavelength Range | 188–900 nm |
| Light Source | Deuterium Lamp (Dual-Lamp Holder: D₂ + Tungsten) |
| Wavelength Accuracy/Reproducibility | ≤ ±0.1 nm |
| Flow Cell Design | Low-Dead-Volume Optimized Optical Flow Cell with Precision-Polished Light Path |
| Detection Modes | Dual-Wavelength Simultaneous Detection, Full-Spectrum Scanning (188–900 nm), Auto Spectral Calibration |
| Leak Detection | Integrated Optical Leak Sensor with Audible/Visual Alarm |
| Compliance | Designed to Support GLP/GMP Data Integrity Requirements (Audit Trail, User Access Control, Electronic Signature Ready) |
| Brand | Wyatt |
|---|---|
| Origin | USA |
| Manufacturer | Wyatt Technology Corporation |
| Type | GPC/SEC-Compatible MALS Detector |
| Wavelength | 658 nm |
| Detection Method | Single-Beam |
| Light Source | 60 mW GaAs Linearly Polarized Laser |
| Angles | 3 (Low, 90°, High) + 2 Reference Angles |
| Molecular Weight Range | 10³ – 10⁷ Da |
| Size Range (Rg) | 10 – 50 nm |
| Data Interface | Ethernet |
| Display | Full-Color LCD |
| Brand | Wyatt |
|---|---|
| Origin | USA |
| Manufacturer | Wyatt Technology Corporation |
| Instrument Type | Differential Refractometer (dRI) |
| Wavelength | 658 nm (LED source) |
| Detection Method | Photodiode Array |
| Cell Volume | 7.4 µL |
| RI Range (Δn) | ±0.0047 RIU |
| Noise Level | <2.0 × 10⁻⁹ RIU |
| Response Time | 0.1–5 s |
| Absolute RI Range | 1.2–1.8 RIU |
| Temperature Stability | <±0.005 °C |
| Max System Pressure | 30 psi |
| Max Flow Cell Pressure | 100 psi |
| Interface | High-Resolution LCD Display |