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Instrumentos de ensaio e validação de sala limpa
Analisador de umidade de ar comprimido
A compact bench-top compressed-air moisture analyzer with regulated side-stream sampling, visible flow conditioning and direct water-vapour indication in ppm(v), pressure dew point or other selected moisture units.
- Direct compressed-air water-vapour analysis.
- Regulated pressure and visible sample flow.
- Low-dead-volume conditioned sampling path.
Introdução do produto
This analyzer routes a small representative compressed-air sample through a dedicated conditioning path before it reaches the moisture sensor. A pressure regulator, vertical flowmeter and transparent condensate-protection bowl help establish controlled inlet conditions and reveal an unsuitable wet sample before liquid reaches the measurement cell. Short stainless-steel and PTFE wetted paths reduce dead volume and ambient-moisture ingress, while the front display supports water-vapour trending in ppm(v) or dew-point units. Because line pressure affects the interpretation of dew point, the selected pressure basis, sample location and flow condition should be recorded with every result.
Características-chave
Single front pressure regulator and vertical flowmeter make the conditioned side-stream settings easy to reproduce.
Transparent sample-treatment bowl provides a visible barrier against entrained liquid and particulate contamination.
Low-dead-volume stainless-steel and PTFE sample paths limit slow dry-down and moisture released from unsuitable tubing.
Separate compressed-air inlet and controlled outlet preserve a clear flow direction through the sensing cell.
Compact four-foot enclosure supports stable bench use while a recessed top handle allows protected field transport.
Preocupações do produto do cliente
Trace-moisture results can be dominated by leaks, tubing diffusion, retained water, pressure changes and an unrepresentative sampling point, so the complete sample path must be treated as part of the measurement.
Ambient air entering through permeable tubing or an open fitting can make a dry sample appear wetter than the process.Use short low-diffusion PTFE or stainless tubing, leak-tight fittings and capped connections, then purge the complete path until the reading stabilizes.
A long or branched sample line can retain water and delay the response after moving between wet and dry points.Minimize dead volume, eliminate unnecessary tees and keep the analyzer close to the representative sampling location.
Pressure dew point and atmospheric dew point are not interchangeable values.Measure at the intended pressure condition or apply an appropriate pressure conversion, and always record the pressure basis with the result.
Entrained liquid water can overload or contaminate a trace-moisture sensing cell.Use the visible conditioning bowl as a protective stage, avoid sampling from the bottom of the pipe and stop the test if free liquid is observed.
Aplicações típicas
Verification of adsorption-dryer outlet moistureCompressed-air quality surveys in clean manufacturingInstrument-air and pneumatic-control system checksTrace-water trending in electronics and pharmaceutical utilitiesDry-air commissioning after filter or dryer maintenance
Parâmetros técnicos
Representative construction for a compact compressed-air moisture analyzer is listed below; sensor technology, pressure reduction, measurement units and sample-line materials should be selected for the expected moisture level and reporting basis.
| Material principal | PC/ABS and powder-coated aluminum instrument enclosure with 316L stainless-steel wetted fittings, borosilicate flow tube, transparent polycarbonate conditioning bowl, PTFE sample tubing and a ceramic metal-oxide or capacitive moisture-sensor module |
|---|---|
| Painel de espessura | Typically 1.5-2.5 mm for the enclosure shell and internal instrument mounting panel |
| Largura efetiva | Approximately 300-360 mm across the bench-top control enclosure |
| Comprimento máximo | Approximately 360-430 mm for the complete enclosure, excluding the detachable sample tube |
| Aço enfrentando espessura | Typically 0.8-1.2 mm for internal shielding, sensor brackets and sample-conditioning retainers |
| Densidade Core | Approximately 1100-1200 kg/m³ for the PC/ABS enclosure components |
| Condutividade térmica | Approximately 0.19-0.22 W/(m·K) for the PC/ABS enclosure components |
| Superfície acabado | Warm light-gray fine-texture enclosure, cobalt-blue display bezel and handle, dark-gray controls, clear conditioning components and satin stainless-steel sample fittings |
| Tipo conjunto | Two directional compression-sealed compressed-air connections with a panel regulator, needle-controlled variable-area flowmeter, removable conditioning bowl and low-diffusion PTFE sample tube |
| Customização | Disponível com base na aplicação pretendida e no ambiente operacional. |
Opções disponíveis
Ceramic metal-oxide trace-moisture sensor for very dry compressed airCapacitive humidity sensor for refrigeration-dryer and moderate-moisture rangesSelectable ppm(v), pressure-dew-point and atmospheric-dew-point displayHigh-pressure inlet regulator with stainless quick-connect adapter setAlternative low-diffusion PTFE or stainless-steel sampling linesInternal data logging with USB, Ethernet or serial data export
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