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Instrumentación de prueba y validación de sala limpia
Tachómetro
A handheld non-contact digital tachometer with a visible optical aiming beam, five-digit LCD and reflective markers for checking fan, motor and shaft speed from a safe distance.
- Non-contact optical RPM measurement.
- Visible beam and reflective targeting.
- Min, max, average and last-value recall.
Introducción del producto
This portable optical tachometer measures rotational speed without touching the moving shaft. A visible red emitter illuminates one reflective marker on the rotating part, while the adjacent receiver counts the returning light pulses and converts their repetition rate to revolutions per minute. A five-digit display, measurement hold and minimum, maximum, average and last-value recall support repeatable checks on cleanroom fans, air-handling equipment, pumps and production machinery. The recessed sensor window protects the optical elements, and a wrist lanyard helps secure the instrument during one-handed use.
Características clave
Visible red aiming beam helps align the sensor window with a single reflective target.
Five-digit backlit LCD presents RPM and stored results without crowding the reading area.
Hold plus minimum, maximum, average and last-value recall captures changing machine speed.
Selectable RPM and reflection-count modes support speed checks and basic event counting.
Recessed dual-element optical window and textured TPE grips suit one-handed field measurements.
Preocupaciones del producto del cliente
Reliable optical RPM readings depend on one reflective event per revolution, a clear line of sight, suitable target contrast and stable aim, so target preparation is as important as the instrument setting.
Multiple reflective areas on one revolution can make the displayed RPM a multiple of the true shaft speed.Use one clean reflective marker and cover or avoid other bright surfaces within the optical spot.
Ambient light, a dirty lens or poor target contrast can cause unstable pulse detection.The visible aiming beam, recessed optical window and high-contrast silver marker help establish a clear return signal.
A technician may be tempted to approach an exposed shaft too closely to obtain a reading.Non-contact optical measurement supports alignment from a practical standoff distance without touching the moving part.
Surface speed cannot be derived from RPM unless roller circumference is known.Use the stored RPM with the verified roller circumference, or select an optional contact adapter when direct linear-speed measurement is required.
Aplicaciones típicas
Cleanroom fan and blower rotational-speed checksAir-handling-unit motor and shaft verificationPump and utility-equipment commissioningCentrifuge and mixer speed comparisonConveyor roller and production-machine inspection
Parámetros técnicos
Representative construction for a professional non-contact tachometer is listed below; optical distance, memory functions, count mode and data interface can be selected for the rotating-equipment survey method.
| Materiales Core | PC/ABS handheld enclosure with TPE grip zones, optical emitter and photodiode receiver, LCD, silicone keypad, stainless fasteners and reflective polyester markers |
|---|---|
| Panel de espesor | Typically 2.0-3.0 mm for the molded handheld enclosure wall |
| Ancho efectivo | Approximately 55-70 mm across the handheld instrument |
| Longitud máxima | Approximately 160-190 mm for the complete handheld tachometer |
| Acero frente a espesor | Typically 0.5-0.8 mm for internal shielding, fasteners and threaded inserts |
| Densidad Core | Aproximadamente 1100 - 1200 kg / m3 para la mezcla de recinto PC / ABS |
| Conductividad térmica | Aproximadamente 0,19 - 0,22 W / (m · K) para la mezcla de gabinete PC / ABS |
| Superficie acabada | Dark-navy fine-texture housing, red-orange TPE side grips, pale-green LCD, black optical window, clear lens elements and silver reflective tape |
| Tipo conjunto | Recessed sealed optical head, snap-fit battery cover, covered USB-C data port and molded wrist-lanyard eyelet |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Extended-distance optical sensing headRPM, frequency and reflection-count modesMinimum, maximum and average memoryUSB data output or pulse-output interfaceSelf-adhesive reflective marker rollsProtective soft case and wrist lanyard
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