Non-contact tachometer UNI-T UT373

27,50 €
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The compact non-contact tachometer UNI-T UT373 accurately measures RPM and counts revolutions without touching the rotating part. It offers auto range, MAX/MIN, Data Hold, a backlit LCD, laser and low-battery indicators, as well as auto power off for longer battery life.
Accurate non-contact RPM measurement

Accurate non-contact RPM measurement

The laser sensor allows safe measurement of rotational speed at a distance of 50–200 mm with high accuracy and without touching the rotating part.

Readable backlit LCD and Hold function

Readable backlit LCD and Hold function

The large backlit display shows values up to 5 digits. Data Hold and MAX/MIN functions make result evaluation easy.

Lightweight, ergonomic, and power‑efficient

Lightweight, ergonomic, and power‑efficient

Low weight and a hand-friendly shape for comfortable operation. Auto power off saves the battery and extends runtime.

The versatile and reliable non-contact tachometer UNI-T UT373 is designed for safe measurement of rotational speed of motors, shafts, and fans. Thanks to the laser sensor and a wide range up to 99,999 RPM, you get fast and accurate results with excellent readability on the backlit LCD.

For easy evaluation, it includes MAX/MIN, Data Hold, overload indication (OL), and a clear display of the active laser. The ergonomic compact design with low weight is ideal for workshops, production, and service. CE and UKCA certifications confirm safety and quality.

Main advantages:
- Non-contact measurement of RPM and counting without the risk of touch
- Auto range and fast data refresh
- Backlit display, Auto Power Off, low-battery indicator
- Measurement accuracy up to ±(0.04% + 2)
- Measurement range 10.0–99,999 RPM, measuring distance 50–200 mm

Specifications

Manufacturer
UNI-T
Model
UT373
Power supply
3 × 1.5 V AAA (R03)
Display
5-digit segmented; max value 99,999
Color
red, gray
Weight
85 g (without batteries)
Dimensions
183.8 × 56 × 34 mm
RPM measurement range
10.0–9,999.9 RPM (resolution 0.1 RPM)
RPM measurement range (higher)
10,000–99,999 RPM (resolution 1 RPM)
Revolution counting
0–99,999 (resolution 1)
Accuracy
RPM: ±(0.04% + 2); counting: ±1
Auto range
yes
Auto power off
yes
Low-battery indicator
yes
Active laser indication
yes
Data Hold function
yes
MAX/MIN
yes
Speed/count switching
yes
Overload indication
yes (OL)
LCD backlight
yes
Refresh rate
1–7 s (for >120 RPM: 1 s)
Sensor type
photodiode and laser tube
Measuring distance
50–200 mm
Measuring angle
±30° from normal
Drop resistance
1 m
Package contents
tachometer, batteries, reflective tape, user manual
27,50 €