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Nitrogen Evaporator


The 24 position MICROVAP small vial evaporator is intended for concentrating small volume, small batch samples, such as concentrations of groups of samples in microcentrifuge tubes and GC vials. It offers an effective and compact solution to evaporation of samples for life sciences and pharmaceutical laboratories. Each MICROVAP uses minimal hood space while providing optimal temperature control for high and low boiling point solvents. The 24 position MICROVAP comes standard with stainless steel luer lock hubs and 4-inch x 19-gauge stainless steel needles for easy removal.
Up to 24 samples can be accommodated at once, and the instrument comes customized for one sample size with an outside diameter of 10-17 mm. If multiple sample sizes will be used with the instrument, additional sample blocks can be purchased for each additional sample size.
Each of the sample blocks are customized to your samples for a precise fit and optimum heat transfer. Since these heat blocks are made-to-order, we will request that you deliver us three sample vials for each unique vial size upon placing an order for a 24 Position MICROVAP. In situations where shipping sample vials to Organomation is not possible, we need precise measurements of your sample vials to be taken as illustrated in this guide.
The digital temperature controls and solid aluminum heating unit provide uniform heat up to 130°C with temperature accuracy of +/- 2°C. An unheated version is available for evaporations that will be performed at ambient temperatures.

Compact Design

The MICROVAP has the smallest footprint of all of Organomation’s nitrogen evaporators

Ease of Use

Temperature and gas levels are easily set using the digital temperature controller and gas flow meter

Optimal Heat Transfer

Expertly machined heat block provides efficient heat transfer to sample tubes


Easily concentrate 96 well microplates using a conversion kit

Adjustable flow meter Digital temperature control
High temperature limit switch 4-inch x 19-gauge needles
Nitrogen filter Anodized aluminum dry block
220V wiring harness (Option Code -2)
Z-Purge/positive pressure purge case (Option Code -Z)
Manifold and stand only; no heating platform (Option Code -O)
Instrumental Name 24 Position MICROVAP
Heater Type Dry block None
Instrument Catalog Number 11824 11824-O
Number of Sample Positions 24 24
Overall Dimension (w x d x h) 10.0 x 9.75 x 3.5 in
25.4 x 24.765 x 7.6 cm
8.5 x 13.0 x 14.5 in
21.6 x 33.0 x 35.6 cm
Sample Holder Layout Rectangular Rectangular
Gas Manifold Layout 4 x 6 Array 4 x 6 Array
Center to Center Spacing
Between Positions
0.78 in
1.98 cm
0.78 in
1.98 cm
Test Tube Diameter 10-17 mm OD 10-17 mm OD
Gas Flow Control Single toggle valve Single toggle valve
Gas Flow Meter Range 0-25 L/min 0-25 L/min
Stainless Steel Needles
(Length & Gauge)
4.0 in x 19 ga
102 mm x 19 ga
4.0 in x 19 ga
102 mm x 19 ga
Hoist Assembly Manual Manual
Standard Gas Input Range 20-30 psig 20-30 psig
Gas Input Range with Optional Pressure Reducing Regulator 30-160 psig 30-160 psig
Heating Device Specs
Model Number 18103 N/A
Outside Dimensions
(w x d x h)
10.0 x 9.75 x 3.5 in
25.4 x 24.765 x 7.6 cm
Total Wattage 180 W N/A
Temperature Range 40-130 °C Ambient
Temperature Controller Type Digital Electronic
with LED Display
Controller Accuracy +/- 2 °C N/A

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