WALFRONT HS2234 Non-Contact Digital Tachometer | RPM Meter
WALFRONT HS2234 Non-Contact Digital Tachometer
Measure rotational speed quickly and accurately with the WALFRONT HS2234 Non-Contact Digital Tachometer. Featuring a wide RPM measuring range, a bright LCD backlit display, and a durable ABS body, this handheld tachometer is perfect for mechanics, engineers, hobbyists, and industrial technicians who need reliable speed readings without ever touching the rotating surface.
Key Features
- Non-Contact Measurement: Safely measure RPM from a distance of 50–500 mm — no need to touch the spinning surface.
- Wide Measuring Range: Covers 2.5 to 99,999 RPM/second with a resolution of 0.1 RPM for precise readings.
- 5-Digit LCD Backlit Display: Easy to read in both bright and low-light conditions, including nighttime use.
- High Accuracy: Measurement accuracy of ±0.05% with a fast 0.5-second sampling rate for responsive readings.
- Durable ABS Construction: Corrosion-resistant and oxidation-resistant housing for long-lasting performance in demanding environments.
- Quartz Crystal Time Base: Ensures stable and consistent measurement accuracy over time.
- Available in Two Colors: Choose Black or Red to suit your preference.
- Compact & Portable: Lightweight handheld design for easy use in the field or workshop.
Specifications
| Model | HS2234 |
| Material | ABS Plastic |
| Colors Available | Black, Red |
| Effective Measuring Distance | 50–500 mm |
| Measuring Range | 2.5–99,999 RPM/second |
| Resolution | 0.1 RPM |
| Accuracy | ±0.05% |
| Sampling Rate | 0.5 seconds |
| Display | 5-digit LCD with backlight |
| Time Base | Quartz Crystal |
| Operating Temperature | 0°C – 50°C |
| Storage Temperature | -20°C – 70°C |
| Power | 2 x AAA batteries (not included) |
| Power Consumption | ~25–40 mA |
What's in the Box
- 1 x HS2234 Tachometer
- 1 x User Manual
- 3 x Reflective Tape Strips
Made in Mainland China.
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Frequently Asked Questions
Q: Does the WALFRONT HS2234 tachometer require physical contact with the rotating object?
A: No — the HS2234 is a non-contact tachometer. It uses optical sensing technology to measure RPM from a distance of 50 to 500 mm, making it safe and convenient to use on fast-spinning motors, fans, engines, and other rotating machinery without touching them.
Q: What batteries does the HS2234 digital tachometer use, and are they included?
A: The tachometer runs on 2 x AAA batteries. Please note that batteries are not included in the package — you will need to supply your own before first use.
Q: What is the measuring range of the HS2234 digital tachometer?
A: The HS2234 measures from 2.5 up to 99,999 RPM/second with a resolution of 0.1 RPM and an accuracy of ±0.05%, making it suitable for a very wide range of applications from slow-turning machinery to high-speed motors.
Q: Can I use this tachometer in dark or low-light environments?
A: Yes. The HS2234 features a 5-digit LCD display with built-in backlight, allowing you to read measurements clearly even in dim or nighttime conditions.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.