Our Standard Certifications
ACT-1B Digital Tachometer
The ACT-1B Digital Tachometer is a value-priced, 1/8 DIN-sized device with a 5-digit LED display, offering a broad 5 to 99,999 RPM range. This user-configurable tachometer is compatible with various speed sensors and provides real-time data viewing on a PC through the free PM Remote Software. With universal AC power support and optional DC power, it is versatile for multiple applications such as process monitoring, research, engine performance analysis, and more. The tachometer features optional analog output, TTL pulse repeater output, and NIST Traceable Certificate for added precision. The included PM Remote Software allows easy customization, real-time data display, and direct streaming into Microsoft Excel™. The device’s technical specifications include a 5-digit LED display with ±1 RPM accuracy and a temperature range of 32 °F to 122 °F. It accepts various sensor inputs, making it suitable for diverse industries and applications.
1. Affordable Pricing: The ACT-1B Digital Tachometer offers a cost-effective solution for measuring rotational speed, making it accessible for various applications.
2. Compact Design: With a 1/8 DIN size, the device is space-efficient and suitable for panel mounting or benchtop use.
3. LED Display: The 5-digit red LED display, measuring 0.56″, ensures clear visibility of RPM or RPS values.
4. Wide RPM Range: Digital Tachometer covering a range from 5 to 99,999 RPM, the tachometer accommodates diverse speed measurement needs.
5. Compatibility: The device is compatible with a variety of speed sensors, including optical, proximity, magnetic, infrared, or laser sensors.
6. User Configurability: Users can customize settings such as pulses per revolution, mode of operation (RPM, RPS, or Frequency), and decimal places using the optional USB programming cable and PM Remote Software.
7. Power Options: The tachometer supports universal AC power (100 to 240 V ac, 50/60 Hz) or optional 12 or 24 V dc power, offering flexibility in power supply.
8. Output Options: Optional 4-20 mA or 0-5 V dc scalable output provides additional flexibility in connecting the device to other systems.
9. Real-time Data Viewing: The included PM Remote Software enables real-time data display on a PC, along with the ability to store data in Excel™ files.
10. NIST Traceable Certificate: An optional NIST Traceable Certificate is available, ensuring a high level of accuracy and adherence to standards.
Technical Specifications:
1. Measurement Range: 5 to 99,999 RPM
2. Accuracy: ±1 RPM or 0.005% of reading
3. Resolution: User-programmable down to 0.0001 RPM
4. Display: 5-digit, 0.56″ high red LED
5. Update Frequency: User-programmable update intervals (e.g., twice per second above 120 RPM)
6. Dimensions: 1/8 DIN by 4.5″ deep
7. Power Supply: Universal 100-240 V ac or optional 12 or 24 V dc
8. Input Compatibility: Accepts various sensor inputs, including optical, proximity, magnetic, infrared, laser, TTL, and external ac inputs.
9. Sensor Excitation: Different voltage and current options for sensor excitation based on sensor type.
10. Operating Temperature: 32 °F – 122 °F (0 °C – 50 °C)
11. Humidity: Maximum relative humidity of 80% at 88 °F (31 °C), decreasing linearly to 50% at 104 °F (40 °C).
| Process monitoring | Research and development |
| Field testing | Engine performance analysis |
| Control panels | Utilities monitoring |
| Manufacturing processes | Quality control |
| Predictive maintenance |