ONH836Oxygen/Nitrogen/Hydrogen Determinator (Preliminary)

®

Delivering the Right Results

The ONH836 Oxygen/Nitrogen/Hydrogen Elemental Analyzer is designed for wide-range measurement of oxygen, nitrogen, and hydrogen content of inorganic materials, ferrous, and nonferrous alloys, and refractory materials using the inert gas fusion technique.

®The instrument features a custom MS Windows -based software interface designed specifically for touch-screen operation. Developed by combining long-term research with customer feedback, this easy-to-use software gives you complete access to instrument control, analysis settings, diagnostics, reporting, and more—without sacrificing valuable bench space.

Advanced Features•Triple IR cells for oxygen detection allows the widest detection range

in the industry•Patented Dynamic Flow Compensation further enhances TC cell stability•State-of-the-art infrared (IR) detectors with patent-pending emitter drive

and drift-free detection circuitry improve long-term stability•Patent-pending, high-efficiency cleaning system reduces manual cleaning

and provides dust-free user experience

Integral Sample Loading Area •Minimizes atmospheric contamination during sample introduction•Simplifies routine sample drop mechanism maintenance•New quick-change disk filter assembly•Removable finish scrubber tube provides rapid change of scrubber

tube with automatic by-pass valve

Reliable Automation Available•Optional autocleaner available, minimizing need for manual

cleaning between samples •Optional 20-crucible batch loader available

Additional Features and Benefits•Boom-mounted touch interface for improved ergonomics

and intuitive operation•Pressure-compensated and temperature-controlled gas dose system•Novel flowpath plumbing minimizes the number of connections to make,

break, or leak®•Compatible with SmartLine Remote Diagnostics.

NOTE: System shown with the optional batch loader sample carousel.

®

Delivering the Right Results

Form No. 209-215 3/11-REV0 © 2011 LECO Corporation

LECO Corporation3000 Lakeview Avenue • St. Joseph, MI 49085 • Phone: 800-292-6141 • Fax: 269-982-8977

info@leco.com • www.leco.com • ISO-9001:2008 • No. FM 24045 • LECO is a registered trademark of LECO Corporation.

Part Numbers

ONH836-MC O/N/H w/PC and touch screen

Specification

*One sigma, conformance tested by gas dose analysis.

.††Average output based on nominal operating parameters.V~ denotes VAC.

†Allow for a 6 in. (15 cm) minimum access area around all sides

Specifications and part numbers may change.Consult LECO for latest information.

Instrument Range

Oxygen: 0.05 ppm to 5.0%

Nitrogen: 0.05 ppm to 3.0% ppm

Hydrogen: 0.1 ppm to 2500 ppm

Precision*

Oxygen: 0.025 ppm or 0.5% RSD, whichever is greater

Nitrogen: 0.025 ppm or 0.5% RSD, whichever is greater

Hydrogen: 0.05 ppm or 2% RSD, whichever is greater

Calibration Standards (single or multi-point); manual; gas dose

Analysis Time

Oxygen: 85 seconds (including outgas, purge, and analysis delay)

Nitrogen: 100 seconds (including outgas, purge, and analysis delay)

Hydrogen: 90 seconds (including outgas, purge, and analysis delay)

Sample Size 1 g (nominal)

Detection Method

Non-dispersive infrared absorption; Thermal Conductivity

Chemical Reagents

• Anhydrous Magnesium Perchlorate (MgClO )4

• Copper Oxide, Copper Turnings• Sodium Hydroxide on an inert base • Oxygen/Moisture indicating Tube

Gas Requirements

Carrier: Helium (99.99% pure), 22 psi (1.5 bar) ±10%

Pneumatic:Compressed Air, 40 psi (2.8 bar) ±10%, source must be oil and water free

Gases Optional

Gas Dose: Carbon Dioxide, 99.99% pure, 20 psi (1.4 bar) ±10%

Gas Dose: Nitrogen, 99.99% pure, 20 psi (1.4 bar) ±10%

Gas Flow Rates

Carrier: 490 cc/minute

Pneumatic: 280 cc/analysis

Furnace Impulse furnace with current, and power control 7500 Watts Maximum, Water cooled

Coolant 3.2 L Distilled water

Operating Conditions

Temperature 15 to 35°C (59 to 95°F)

Rel. Humidity 20 to 80%, non-condensing

Dimensions**

Height: 36 in. (91.5 cm) nominal head cover lift engaged

39.25 (100 cm) with load

Width: 27.75 in. (96 cm)

Depth: 30 in. (76 cm) without monitor attached touch screen monitor

33.5 in (85 cm) with

Electrical Power:230 V~ (+10/-15%; at max load); 50A, 50/60 Hz, Single

†Phase; 22,000 BTU/hr

Weight (approximate): Analyzer: 410 lb. (186 kg) without touch screen monitor