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Instrumentos de ensaio e validação de sala limpa
Calibrador de pressão diferencial
A portable differential pressure calibrator with fine pneumatic generation, dual pressure ports and electrical loop measurement for cleanroom transmitters and gauges.
- Controlled low-pressure generation and measurement.
- Simultaneous pressure and transmitter-loop display.
- Fine adjustment for stable calibration points.
Introdução do produto
This field calibrator combines a precision low-pressure reference, a fine-adjust pneumatic source and electrical measurement in one rugged handheld package. Technicians can apply controlled positive or negative differential pressure to room transmitters, switches and gauges while comparing the device output with the reference value. Step, hold and zero functions streamline multipoint verification.
Características-chave
Fine-adjust valve enables stable approach to each calibration point.
Dual pressure ports connect high and low sides of differential devices.
Simultaneous pressure and mA display supports transmitter verification.
Zero, hold and step functions simplify repeatable multipoint work.
Rugged field enclosure protects the reference sensor and controls.
Preocupações do produto do cliente
Cleanroom pressure instruments operate at small setpoints, so calibration equipment must generate pressure smoothly and compare pneumatic input with electrical output in a controlled sequence.
Low-pressure setpoints are difficult to reach without overshoot.A coarse hand pump and fine-adjust control allow gradual, stable approach to each point.
Separate reference, pump and loop meter create a complex field setup.One enclosure combines pressure generation, reference indication and electrical measurement.
Incorrect high/low connections reverse transmitter response.Color-coded dual ports make pressure polarity clear before the test begins.
Manual multipoint sequences can be inconsistent between technicians.Step, hold and zero functions standardize the applied-point workflow.
Aplicações típicas
Cleanroom differential-pressure transmitter calibrationRoom pressure gauge verificationFilter pressure-switch testingAirflow sensor loop checksHVAC commissioning instrumentation
Parâmetros técnicos
Representative portable calibrator construction is listed below; reference range, pneumatic fittings and electrical functions can be selected for the installed instrument population.
| Material principal | Precision pressure sensor, brass pneumatic manifold, elastomer seals and impact-resistant polymer housing |
|---|---|
| Painel de espessura | Typically 2.5-4.0 mm for the reinforced calibrator enclosure |
| Largura efetiva | Approximately 100-135 mm across the handheld body |
| Comprimento máximo | Approximately 220-280 mm including pump and port protection |
| Aço enfrentando espessura | Typically 0.8-1.5 mm for stainless internal manifold and pump components |
| Densidade Core | Approximately 7800-8000 kg/m³ for stainless pneumatic components |
| Condutividade térmica | Approximately 14-17 W/(m·K) for stainless pneumatic components |
| Superfície acabado | Graphite overmolded housing with blue/red pneumatic identifiers and safety-yellow control accents |
| Tipo conjunto | Threaded dual pressure ports with push-fit tubing adapters and shrouded electrical terminals |
| Customização | Disponível com base na aplicação pretendida e no ambiente operacional. |
Opções disponíveis
Low differential-pressure rangesExternal pressure modulesmA loop-power functionPneumatic tubing and adapter kitHand or electric pressure generationProtective field case
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