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Instruments d'essai et de validation de salle blanche
Air comprimé Dew Point Meter
A compact portable compressed-air dew point meter with an integrated stainless flow-through sampling chamber, controlled sample flow and a direct pressure-dew-point display for dryer spot checks.
- Portable pressure-dew-point spot checks.
- Integrated stainless flow-through chamber.
- Controlled flow with pressure-basis recording.
Introduction de produit
This portable meter combines a protected electronic indicator with a stainless-steel flow-through sampling chamber for measurements on pressurized compressed-air systems. The high-pressure hose connects the chamber to a representative point, while a small needle control and visible flow indicator maintain sample movement past the moisture sensor. A large display presents the stabilized pressure dew point and can support atmospheric-pressure conversion when the actual line pressure is entered. Short low-diffusion wetted paths, a fold-out rear stand and an integrated wrist strap make the instrument practical for repeated service checks without turning it into a general environmental humidity meter.
Key Features
Integrated stainless flow-through chamber protects the sensor and keeps a moving pressurized sample at the measurement point.
Single needle control and compact visual flow indicator help reproduce the sampling condition between test locations.
Low-diffusion high-pressure hose and stainless wetted fittings reduce ambient-moisture ingress and slow dry-down effects.
Six-button interface provides direct access to units, pressure basis, data hold, trends and stored spot-check records.
Fold-out rear stand, shoulder-ready housing and wrist strap support stable bench reading and secure field handling.
Préoccupations du client produit
Low compressed-air dew points are sensitive to leaks, tubing diffusion, sample stagnation, line pressure and contamination, so the reading is only meaningful when the complete sampling condition is controlled and recorded.
An open fitting or permeable hose can admit ambient moisture and delay a stable low-dew-point reading.Keep the PTFE-lined sample path short, cap clean fittings during transport and purge the connected chamber until the display trend stabilizes.
A reported dew point is ambiguous when the measurement pressure is not recorded.Enter or document the line pressure, identify whether the value is pressure dew point or atmospheric dew point and retain that basis with the saved result.
Stagnant gas in a dead leg may not represent dryer outlet performance.Use the flow-through chamber and needle control to maintain a small continuous sample from a representative point downstream of system stabilization.
Liquid carryover or heavy contamination can damage the sensor and create a long recovery time.Avoid low-point sampling, inspect the hose and chamber before connection and use an appropriate upstream separator when entrained liquid or particles are possible.
Les applications typiques
Adsorption-dryer outlet spot checksRefrigeration-dryer performance verificationCompressed-air commissioning and leak investigationsClean manufacturing utility-air surveysInstrument-air and breathing-air maintenance trending
Paramètres techniques
Representative construction for a portable compressed-air dew point meter is listed below; probe range, chamber pressure, connection standard and pressure-conversion functions should be selected for the dryer and reporting requirement.
| Matériaux de base | PC/ABS handheld enclosure with teal TPE protection, 316L stainless-steel flow-through sampling chamber and fittings, borosilicate flow indicator, PTFE-lined high-pressure hose and a ceramic metal-oxide dew point sensor |
|---|---|
| Panneau épaisseur | Typically 2.0-3.0 mm for the molded handheld housing and rear support structure |
| Largeur effective | Approximately 145-185 mm across the portable indicator enclosure |
| Longueur maximale | Approximately 250-320 mm for the indicator and integrated sampling assembly, excluding the detachable hose |
| Acier face épaisseur | Typically 0.8-1.2 mm for internal shielding and stainless sampling-chamber support brackets |
| Densité Core | Environ 1100 - 1200 kg / m3 pour les composants de boîtier PC / ABS par |
| Conductivité thermique | Environ 0,19 - 0,22 W / (m · K) pour les composants de boîtier PC / ABS |
| surface finie | Deep-graphite fine-texture housing, teal TPE edge protection, blue-white LCD, matte-black controls, satin stainless-steel sampling hardware and black low-diffusion pressure hose |
| Type joint | Panel-secured flow-through sampling chamber with one high-pressure quick-connect inlet, one controlled exhaust, one needle adjustment and a PTFE-lined detachable hose |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
Low-range ceramic metal-oxide probe for adsorption dryersModerate-range capacitive probe for refrigeration dryersStandard or high-pressure stainless sampling chamberAlternative quick-connect and threaded compressed-air adapter kitsDifferent PTFE-lined high-pressure hose lengthsInternal logger with USB or Bluetooth data export
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