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أدوات اختبار الغرفة النظيفة والتحقق من صحتها
مضغوط الغاز الميكروبي أخذ العينات كيت
A portable stainless-steel microbial impaction kit with pressure indication, visible flow control and a removable sampling head for collecting viable contamination from compressed air and process gases onto culture media.
- Controlled compressed-gas impaction sampling.
- Removable stainless culture-plate head.
- Visible pressure and flow verification.
مقدمة المنتج
This non-powered sampling assembly directs a controlled stream of compressed air or process gas through a removable perforated impactor head and onto a fitted culture plate. A compact stainless-steel base groups the inlet connection, analog pressure indication, variable-area flowmeter and single adjustment valve into a stable field unit. The detachable head and short outlet path can be dismantled for cleaning, while interchangeable plate retainers accommodate routine Petri-dish or contact-plate workflows. The kit is intended for representative point-of-use sampling before laboratory incubation and colony assessment; it is structurally distinct from oil, particle and moisture test instruments.
الخصائص الرئيسية
One analog pressure gauge and one clear variable-area flowmeter provide separate, immediately visible checks of inlet condition and sample flow.
Single regulator knob supports controlled start-up and adjustment without adding a powered pump or electronic particle sensor.
Detachable sampling head, smooth stainless wetted path and sanitary connections simplify cleaning between sampling locations.
One compressed-gas quick inlet and one short outlet tube keep the sampling topology easy to inspect and assemble.
Stable feet and a fold-flat carrying handle support transport between utility points and steady placement during collection.
مخاوف المنتج للعملاء
Compressed-gas microbial sampling must reduce pressure, establish a known flow, protect organism recovery and prevent cross-contamination while keeping the culture medium isolated from ambient exposure.
Uncontrolled decompression or excessive impaction velocity can reduce recovery of stressed microorganisms.Use the pressure indication and adjustable flow path to establish the selected sampling condition gradually before exposing the culture plate.
Residue from a previous point can create false-positive results at the next sampling location.Remove the impactor head and plate retainer between runs, clean or sterilize compatible stainless parts and keep prepared media closed until installation.
A leaking connection or unstable flow makes the sampled gas volume uncertain.Inspect the quick coupling and seals, keep the base level, verify the float position throughout the run and document elapsed time with the chosen flow.
Ambient air may enter while the plate is being loaded or removed.Use an aseptic loading sequence, minimize open-plate exposure and install or remove the plate only after the gas valve is closed and pressure is safely relieved.
تطبيقات نموذجية
Pharmaceutical compressed-air point-of-use monitoringNitrogen and inert-gas checks around aseptic processingFood and beverage process-gas hygiene programsBiotechnology utility-gas microbial investigationsCleanroom environmental-monitoring qualification support
المعلمات الفنية
Representative construction for a portable compressed-gas microbial sampling kit is listed below; the selected inlet pressure, flowmeter range, culture-plate format, seal material and cleaning method should match the gas service and monitoring procedure.
| المواد الأساسية | 316L stainless-steel base, pressure and flow manifold, removable impactor head and plate retainer, with borosilicate flow tube, PTFE outlet tubing and compatible elastomer seals |
|---|---|
| سمك اللوحة | Typically 2.0-3.0 mm for the stainless base plate and folded support panels |
| العرض الفعال | Approximately 260-340 mm across the portable flow-control base |
| الحد الأقصى الطول | Approximately 380-450 mm for the complete assembled kit, excluding the detachable inlet hose |
| الصلب يواجه سمك | Typically 1.0-1.5 mm for the folded stainless covers, guards and plate-retainer components |
| الكثافة الأساسية | Approximately 7900-8000 kg/m³ for the 316L stainless-steel structural and wetted components |
| الموصلية الحرارية | Approximately 14-16 W/(m·K) for the 316L stainless-steel components at ambient temperature |
| إنهاء السطح | Passivated satin or electropolished stainless wetted surfaces, clear flow tube, white gauge face, black control knob and blue compressed-gas hose |
| نوع المشترك | Sanitary detachable impactor-head connection with one compressed-gas quick-connect inlet and one short PTFE outlet-tube connection |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Holder for 90 mm standard Petri dishesAdapter for 55 mm contact platesAlternative calibrated variable-area flowmeter rangesGas-specific inlet hose and quick-coupling setsElectropolished impactor head and sanitary clamp configurationProtective transport case with organized media and fitting storage
Planning a Compressed Gas Microbial Sampling Kit specification?
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