Tachometer kit in three-quarter view with five-digit LCD, dual-element optical window, wrist lanyard and reflective tape roll

Приборы для испытаний и валидации в чистых помещениях

Тахометр

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.

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Введение продукции

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.

Основные характеристики

Non-contact optical sensing avoids adding drag or side load to the rotating shaft.

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.

Обеспокоенность клиентов продуктами

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.

Типичные приложения

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

Технические параметры

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.

Основной материал	PC/ABS handheld enclosure with TPE grip zones, optical emitter and photodiode receiver, LCD, silicone keypad, stainless fasteners and reflective polyester markers
Толщина панели	Обычно 2,0 - 3,0 мм для формованной ручной стенки
эффективная ширина	Approximately 55-70 mm across the handheld instrument
Максимальная длина	Approximately 160-190 mm for the complete handheld tachometer
Толщина линий стали	Typically 0.5-0.8 mm for internal shielding, fasteners and threaded inserts
Плотность ядра	Approximately 1100-1200 kg/m³ for the PC/ABS enclosure blend
Теплопроводимость	Approximately 0.19-0.22 W/(m·K) for the PC/ABS enclosure blend
Поверхностная отделка	Dark-navy fine-texture housing, red-orange TPE side grips, pale-green LCD, black optical window, clear lens elements and silver reflective tape
Объединенный тип	Recessed sealed optical head, snap-fit battery cover, covered USB-C data port and molded wrist-lanyard eyelet
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Доступные варианты

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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