SofTA Evaporative Light Scattering Detector
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Main Features
lApplies SofTA thermal splitting technology to control evaporation.
lCapable of refrigeration operation with evaporative light, enabling low-temperature operation for both organic and inorganic mobile phases.
lUses a Teflon nebulizer for evaporative light.
lNebulization zone temperature control enables splitting.
lBright and easy-to-read Vacuum Fluorescent Display (VFD).
lCan store up to 10 different detection methods.
Evaporative Light Scattering Detector Technical Specifications:
Nozzle | Teflon nozzle, resistant to clogging, wear, and corrosion |
Liquid Mist Splitting Mode | Splitting control is achieved by regulating the nebulization zone temperature, allowing for splitting settings in applications involving high-boiling, low-boiling, or gradient separation. |
Nebulization Zone Temperature | 10oC–70oC |
Drift Tube Temperature | Room temperature to 120oC |
Light Source | Near-infrared laser (650nm), less than 5mW, compliant with FCC eye safety standards. |
Detection Element | Fully sealed large-area silicon photodiode with built-in high-gain amplifier |
Sensitivity | 100pg, Glucopyranoside, Micro-HPLC (microbore chromatography) |
Peak Width | 3 seconds (10% peak height, 2μL direct injection) |
Dynamic Range at Given Gain | Normal gain: 3 orders of magnitude Low gain: 3 orders of magnitude Extended dynamic range: 4-4.5 orders of magnitude |
Liquid Flow Rate | Up to 5mL/min |
Gas Requirements | 50psi, nitrogen or other inert gas |
Gas Consumption | ≤2.5L/min |
Gas Flow Control | Built-in pressure regulator valve; users do not need to adjust inlet pressure or flow rate. Built-in overpressure protection. Built-in inlet valve with automatic delayed shutoff to prevent gas cylinder depletion due to post-use neglect. |
Fluidic Path Materials | Teflon, stainless steel, alumina, glass (lens) |
User Interface | 4 multi-function buttons |
Instrument Display and Control | Detection signal, temperature, pressure, filter constant, real-time self-test information |
Buzzer Control | Smart instrument status prompts and error alarms. |
Signal Output | Fixed: 10mV, 5V Optional: 0-5V |
Computer Interface | RS232 |
Rear Panel Interfaces | Inlet valve control, zeroing control, instrument status output, operational error output |
Power Supply | 120V/240V, 60/50Hz, 600W |
Weight | 15kg |
Dimensions | 25W×45D×29H (cm) |
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