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クリーンルーム試験 · 検証機器
窒素純度分析器
A portable nitrogen purity analyzer that measures residual oxygen in a nitrogen stream and presents both calculated percent-N₂ purity and the underlying oxygen concentration through one controlled sample channel.
- Trace O₂-based nitrogen check.
- Percent N₂ and ppm O₂ display.
- Single controlled portable sample path.
商品紹介
This portable analyzer uses a dedicated trace-oxygen sensing path to evaluate nitrogen from generators, pipelines and storage points. Its tall protected enclosure combines one display, a five-key navigation cluster, one visible variable-area flowmeter and one fine-control valve without the multiple channels of a general gas-quality system. The primary screen can show calculated nitrogen purity while a smaller line retains the measured oxygen value in ppm. Because nitrogen purity is inferred from residual oxygen, the calculation is appropriate only when oxygen is the defined balance impurity; moisture, argon, carbon dioxide, hydrocarbons and other contaminants require separate measurements when they are relevant to the specification.
主要な特徴
Dual presentation keeps the calculated percent-N₂ value and the actual residual-O₂ reading visible for clearer interpretation.
One slim flowmeter and one fine adjustment valve provide a simple, observable sample condition during purge and stabilization.
A short low-volume tube, stainless inlet and detachable quick coupling help limit ambient-air ingress when moving between sampling points.
Five-key interface separates navigation, confirmation and calibration functions while retaining a compact single-screen layout.
Tall portable housing, integrated handle, rear support and protected service cover suit temporary checks beside nitrogen generation and distribution equipment.
お客様の製品に関する懸念事項
High-purity nitrogen checks are especially sensitive to ambient-air leaks, permeable tubing, insufficient regulator purge and unstable sample flow; the meaning of a calculated N₂ value also depends on whether oxygen is truly the only balance impurity being assessed.
A calculated nitrogen percentage may be mistaken for a complete impurity assay.Use the displayed N₂ value only when residual oxygen is the defined balance impurity, retain the ppm O₂ result, and measure moisture, argon, carbon dioxide or hydrocarbons separately when the gas specification controls them.
Minute air leaks or trapped air can overwhelm a low-ppm oxygen measurement.Use low-permeation tubing and leak-tight fittings, keep the sample path short, purge the regulator and complete line thoroughly, and wait for a stable trend before recording the result.
Incorrect pressure or sample flow can slow response or stress the sensor path.Condition the source pressure before the inlet, set the single fine valve gradually and maintain the flowmeter within the configured operating band.
Sensor selection can be affected by background gas, combustible components or prolonged exposure to ambient oxygen.Choose zirconia or electrochemical sensing to suit the nitrogen matrix, review cross-sensitivity and exposure limits, and isolate or purge a trace sensor according to its operating instructions.
A low reading after moving between sampling points may reflect incomplete purge rather than true gas quality.Apply a consistent line volume, flow and stabilization criterion at every point, then verify the analyzer periodically with an appropriate zero or certified oxygen-in-nitrogen reference gas.
典型的な用途
Pressure-swing-adsorption nitrogen generator commissioningNitrogen pipeline and point-of-use purity checksCylinder filling and bulk-gas transfer verificationInerting and blanketing gas monitoringGlovebox, laser-cutting and electronics-process nitrogen checks
技術的なパラメータ
The construction below represents a portable nitrogen purity analyzer centered on trace-oxygen measurement. Measurement range, sensor chemistry, flow setting, pressure conditioning and wetted materials should be selected for the nitrogen source, expected residual-O₂ level and other gases present.
| コア材料 | Impact-resistant PC/ABS enclosure with an anodized-aluminum internal carrier, 316L stainless-steel wetted inlet, PTFE sample tubing, borosilicate flow tube and a trace-oxygen sensor selected for the nitrogen matrix |
|---|---|
| パネルの厚さ | Typically 2.5-3.5 mm for the molded front panel and enclosure walls |
| 有効幅 | Approximately 210-260 mm across the portrait-format portable enclosure |
| 最大長さ | Approximately 320-390 mm over the complete enclosure, excluding the detachable sample tube |
| 鋼鉄の厚さを直面する | Typically 0.8-1.2 mm for internal stainless sensor brackets and electromagnetic shields |
| コア密度 | Approximately 1080-1180 kg/m³ for the PC/ABS enclosure components |
| 熱伝導率 | Approximately 0.18-0.22 W/(m·K) for the PC/ABS enclosure components |
| 表面仕上げ | Deep-navy fine-texture outer shell, light-gray recessed instrument panel, cyan-white LCD, black controls, clear flow tube, satin stainless fittings and transparent or black low-permeation sample tubing |
| ジョイントタイプ | Single stainless sample inlet with detachable quick-coupled tube, panel-mounted fine-flow valve, one protected sensor-service cover and a rear folding support |
| カスタマイズ | 意図したアプリケーションと動作環境に基づいて利用できます。 |
利用可能なオプション
Zirconia trace-oxygen sensor for clean inert-gas backgroundsElectrochemical trace-oxygen sensor for compatible process-gas matricesSelectable ppm-O₂ and calculated percent-N₂ display modesAlternative flow-control and inlet-pressure conditioning rangesStainless compression, barb or quick-coupling sample kitsRechargeable battery, data logging and configurable analog-output packages
Planning a Nitrogen Purity Analyzer specification?
寸法、設置条件、性能目標、必要な表面仕上げをお送りください。
