Timer Tachometers
Description
Timer tachometers are devices designed to measure the rotational speed of an object, typically in revolutions per minute (RPM). They incorporate timing mechanisms to provide precise speed measurements over a set period, allowing for accurate monitoring of rotational speeds.
Working Principle
Timer tachometers operate by using a sensor to detect the rotational speed of an object. The sensor technology can vary, including contact types, photoelectric, inductive, or Hall effect sensors. These sensors detect the frequency of rotation and convert it into an electrical signal. The timer component of the tachometer measures the duration of these signals to calculate the RPM. This method is useful because it provides a continuous and real-time measurement of speed, which is crucial for applications requiring precise speed control and monitoring.
Applications
Timer tachometers are used in various industrial and mechanical applications. For example, they are employed in automotive testing to measure engine RPM, in manufacturing to monitor the speed of conveyor belts, and in HVAC systems to ensure fans and blowers operate at optimal speeds. They are also used in laboratory settings for testing the rotational speed of small motors and other rotating equipment.
Advantages over other Tachometers
Timer tachometers offer several advantages over other types of tachometers. They provide more precise measurements due to their ability to measure speed over a set period, reducing the impact of transient fluctuations. This makes them particularly useful in applications where consistent speed measurement is critical. Additionally, the integration of timing mechanisms allows for enhanced accuracy compared to basic tachometers that may only provide instantaneous speed readings.
Limitations
One limitation of timer tachometers is their reliance on the accuracy of the timing mechanism. Any errors in the timer can lead to inaccurate speed measurements. Additionally, they may require more complex calibration and setup compared to simpler tachometer models, which can be a drawback in applications where ease of use is a priority.
Considerations
When considering the use of timer tachometers, several factors should be taken into account. Initial costs can vary depending on the complexity and features of the device. Operating expenses may include maintenance of the sensor and timing components to ensure continued accuracy. Durability is another consideration, as the device must withstand the operational environment, which can include exposure to dust, vibration, and temperature fluctuations. Accuracy is paramount, so regular calibration may be necessary to maintain performance. Replacement and maintenance costs should also be factored into the overall cost of ownership, as these can impact the long-term viability of using timer tachometers in specific applications.
from Electro-Sensors, Inc.
Full Logic Control Process Ratemeter. Features. • Displays rate or time in process. • Easy installation and setup. • Completely field adjustable. • Single channel or quadrature decoding. • NEMA 4 faceplate. • Full diagnostic function. • Front panel reverse... [See More]
- Features: Self Test/Diagnostics; Timer
- Tachometer Type: Instrument / Sensor Package
- Operating Speed: 0.0 to 10000
- Sensor Technology: Contact Type (Roller); Non Contact (Photoelectric (Optical, Infrared), Magnetic)
from Global Digital Instruments LLC
The SenDEC Motortach performs Tachometer, Hour meter, and Flash Alert functions on ANY rotating shaft, rotating gear, or pulley. The MotorTACH does NOT require any external power and can be used on Diesel engines, Compressors, Heating motors, Process equipment, Power equipment, Generators, or a host... [See More]
- Features: Counter/Totalizer; Timer
- Accuracy: 10
- Operating Speed: 3000 to 6000
- Tachometer Type: Instrument / Sensor Package
from OMEGA Engineering, Inc.
The OMDC-DM8000 is an economical microprocessor-based digital tachometer system capable of measuring shaft speeds lower than 1 RPM. With an on-board microcomputer coupled with sophisticated internal software and a quartz crystal controlled reference frequency, the OMDC-DM8000 is able to maintain... [See More]
- Features: Audible / Visual Alarm; Counter/Totalizer; Timer
- Sensor Technology: Non Contact (Magnetic)
- Tachometer Type: Instrument / Sensor Package
- Form Factor: Benchtop
from Dart Controls, Inc.
An economical microprocessor-based digital tachometer system capable of measuring shaft speeds lower than 1 RPM. An on-board microcomputer coupled with sophisticated internal software, quartz crystal controlled reference frequency, and display up dating on every pulse or every .5 seconds (whichever... [See More]
- Features: Audible / Visual Alarm; Linear Speed / Length Measurement; Timer
- Accuracy: 0.0100
- Operating Speed: 1 to 125000
- Tachometer Type: Indicator Only
from AI-TEK Instruments, LLC
The TACHTROL 10 computing tachometer is the same as the TACHTROL 30 but excludes the solid state relays, analog output and the utility RS485 function. [See More]
- Features: Application Software (optional feature); Audible / Visual Alarm; Counter/Totalizer (optional feature); Data Logger (optional feature); Timer
- Sensor Technology: Non Contact (Magnetic)
- Tachometer Type: Instrument / Sensor Package
- Form Factor: Panel
from Electro-Sensors, Inc.
Full Logic Control Process Ratemeter. Features. • Displays rate, time in process, ratio,. sum, difference, or draw. • Completely field adjustable. • Full diagnostic functions. • Three programmable transistor setpoint outputs. • Three programmable AC inputs. • Start... [See More]
- Features: Self Test/Diagnostics; Timer
- Tachometer Type: Instrument / Sensor Package
- Operating Speed: 0.0 to 10000
- Sensor Technology: Contact Type (Roller); Non Contact (Photoelectric (Optical, Infrared), Magnetic)
from Global Digital Instruments LLC
STS-5000 – Tachometer only that accurately displays up to 20,000 RPMs. Features programmable firing pattern for 1:1, 2:1, or 1:2 firing patterns. Max RPM recall stores the highest RPM registered until cleared by the user. Works on 1 and 2 cylinder applications. FS-500 – All the features... [See More]
- Features: Counter/Totalizer; Timer
- Tachometer Type: Instrument / Sensor Package
- Operating Speed: 20000
- Sensor Technology: Contact Type (Roller)
from OMEGA Engineering, Inc.
The HHT13 is a digital, batterypowered portable optical pocket laser tachometer, which operates up to 7.6 m (25') from a reflective target using a laser light source. The ergonomic design allows safe, direct line-of-sight viewing of both the target and the display at the same time, while providing a... [See More]
- Features: Battery Powered; Counter/Totalizer; Timer
- Tachometer Type: Instrument / Sensor Package
- Operating Speed: 0.5000 to 200000
- Sensor Technology: Contact Type (Roller); Non Contact (Photoelectric (Optical, Infrared) (optional feature))