NITROGEN EVAPORATOR 24 POSITION

N-Evap 24 Position

DESCRIPTION

The 24 position N-EVAP is our most adaptable benchtop evaporator. The basic model offers all of the standard features from our N-EVAP line. Additionally, the 24 position N-EVAP offers the most customizable options for your sample preparation needs. The standard sample holder can accommodate samples with an outside diameter of 10-30 mm. However, with the optional 8 position large sample holder, vials with an outside diameter of 30-70 mm can be processed. The 24 position N-EVAP test tube evaporator can also be upgraded to include digital controls for heat and time with the addition of the side control box (Option code -CB).

These economical units provide controlled concentration of sample vials through the application of nitrogen gas within a heated water bath. The dual band spring hoist assembly provides a simple and effective means of removing samples from the heated water bath. The N-EVAP’s circular rotating design permits each sample to be accessible from the front of the instrument for easy insertion and retrieval. The chrome plated needle valves are individually milled from solid brass, enabling precise, uniform adjustments for your nitrogen blow down. This promotes efficient and safe sample reduction with minimal nitrogen waste. Time tested technology and proven construction ensure a long lasting, user-friendly experience.

STANDARD FEATURES

Nitrogen filter
Adjustable flow meter, 0-20 lpm
High pressure phthalate free tubing for safety
High temperature limit switch for safety
Dual band spring hoist assembly (except in dry bath model)
Precision needle valve tube assembly
Needles, 4 inch x 19 gauge with chrome plated brass hub and stainless steel shaft

OPTIONS

220v wiring harness (Option Code -2)
Z-Purge/positive pressure purge case (Option Code -Z)
Acid resistant coating on instrument and needles (Option Code -RT)
Side control box with built-in digital controller, timer, and pressure regulator (Option Code -CB)

SPECIFICATION:

Instrumental Name	24 Position N-EVAP	24 Position N-EVAP	24 Position N-EVAP
Bath Type	Water	Dry	None
Instrumental Catalog Number	11250	11250-DA	11250-O
Number of Sample Positions	24	24	1224
Overall Dimension (w x d x h)	16 x 15 x 33 in 41 x 38 x 84 cm	16 x 15 x 27.5 in 41 x 38 x 70 cm	16 x 15 x 31.75 in 41 x 38 x 81 cm
Sample Holder Layout	Circular	Circular	Circular
Gas Manifold Layout	Single Ring	Single Ring	Single Ring
Test Tube Range (Standard Sample Holder)	10-30mm OD	10-30mm OD	10-30mm OD
Test Tube Range (Optional Sample Holder)	30-70 mm OD	30-70 mm OD	30-70 mm OD
Gas Flow Meter	0-20 L/min	0-20 L/min	0-20 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	4.0 in x 19 ga 102 mm x 19 ga
Sample Tray Lift Mechanism	Dual Band Spring Hoist Assembly	None/Fixed	Dual Band Spring Hoist Assembly
Rotating, Leak Tight Gas Fitting	Standard	N/A	Standard
Standard Gas Input Range	20-30 psig	20-30 psig	20-30 psig
Gas Input Range with Optional Pressure Reducing Regulator	30-160 psig	30-160 psig	30-160 psig
Acid Resistant Coating	Optional	Optional	Optional
Heating Device Specs
Model Number	9125	5125	N/A
Heating Medium	Water	Aluminum Beads (Glass Beads in -RT Models)	None
Inside Dimensions (Diameter x Depth)	12.0 x 4.5 in 30.5 x 11.4 cm	12.0 x 4.5 in 30.5 x 11.4 cm	N/A
Outside Dimensions (w x d x h)	16 x 15 x 7 in 41 x 38 x18 cm	16 x 15 x 7 in 41 x 38 x18 cm	N/A
Total Wattage	900 W	540 W	N/A
Bath Temperature Range	30-90 °C	40-130 °C	N/A
Temperature Controller Type	Mechanical Thermostat	Mechanical Thermostat	N/A
Controller Accuracy	+/- 2 °C	+/- 2 °C	N/A

MODELS

Catalog Number	24 Position N-EVAP
11250	Water
11250-NT	No Teflon, Water Bath*
11250-DA	Dry Bath
11250-O	No Bath**

* No Teflon (-NT) units designed for PFAS analysis using EPA methods 533, 537 and 537.1.

**All “-O” models come with a base and stand assembly instead of a heated bath. These instruments are designed for evaporation procedures performed at ambient temperature.