The NK200-1BN Sample Concentrator (Visible) is an advanced nitrogen blowdown evaporator designed for the precise and efficient concentration of multiple liquid samples using nitrogen gas, with the added advantage of a transparent visible chamber. This feature allows users to observe the evaporation process in real-time, enhancing operational control and sample monitoring. Equipped with a single heating block, the NK200-1BN provides uniform temperature control and reliable solvent evaporation for up to 24 sample tubes or vials simultaneously. The stainless steel needle manifold delivers an even nitrogen gas flow across all samples to ensure consistent drying while preserving sample quality. The digital LCD interface allows easy adjustment of temperature, time, and gas flow, and the visible chamber improves workflow safety by enabling users to visually confirm the evaporation status. This concentrator is widely used in pharmaceutical research, environmental labs, forensic analysis, and clinical diagnostics where real-time monitoring is crucial.
Characteristics of NK200-1BN Sample Concentrator (visible)
- Synchronously working with heating by dry bath in the bottom and nitrogen blowing on the surface accelerates liquid evaporation and sample concentration.
- The length of a standard gas needle is 150mm.
- The height of the air chamber plate can be adjusted. The unique characteristics: Sample surface in the tube can be observed while concentrating.
- Gas needle is controlled independently. Separately blow of each needle and flow regulating of each needle are available to avoid gas waste.
- The entire equipment can be put into ventilation cabinet when the concentration sample in toxic solvents.
- Built in overheat protection, automatic fault detection and fault beep alarm devices.
- LED displays immediate temperature and diminishing time. Operation is simple and convenient.
Technical Specifications
Temp. Control Range | R. T. +5℃~150℃ |
Temp. Setting Range | 5℃~150℃ |
Temp. Stability@40~100℃ | ±0.5℃ |
Temp. Stability@100~150℃ | ±1℃ |
Block Temp. Uniformity@10 ℃ | ±0.5℃ |
Block Temp. Uniformity@15 ℃ | ±1℃ |
Temp. Display Accuracy | 0.1℃ |
Heating Speed | ≤30min(40℃ to 150℃) |
Time Range | 1min ~ 99h59min |
Needle Plate Max. Lift Stroke | 285mm |
Gas-in Joint Outer Diameter | 7m |
Nitrogen Pressure | 0.1MP |
Nitrogen Flow Rate | 0~10L/min |
Needle Length | 150mm |
Sample Capacity | 1 Standard Visible Block |
Voltage | AC 220V / AC 110V, 50/60Hz |
Power | 400W |
Fuse | 250V, 3A/6A, Φ5×20 |
Dimension (WxDxH) | W.220 × D.260 × H.525m |
Net Weight | 5.8kgs |
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