1. ምርት አብቅቷልview
The UNI-T UT372 is a non-contact digital laser tachometer designed for measuring the rotational speed (RPM) and count of objects. It utilizes a laser pointer and reflective tape to provide accurate and stable measurements without physical contact. This device is suitable for various industrial and scientific applications.
ቁልፍ ባህሪዎች
- 5-digit LCD screen with RPM/count and time dual display.
- Measurement modes: MAX (Maximum), MIN (Minimum), AVG (Average), and Normal.
- የሚስተካከለው sampling rate (0.5-255 seconds).
- Automatic power-off function (cancelable).
- Selectable laser pointer (on/off).
- Clock and time setting capabilities.
- የውሂብ መያዣ ተግባር.
- Low power consumption, allowing for approximately 40 hours of continuous operation.
- Equipped with a USB interface for data transfer (UT372 only).
- Certified with CE and UKCA standards.

Image 1.1: The UNI-T UT372 tachometer displaying its main features and specifications.
2. የደህንነት መረጃ
እባክዎ መሳሪያውን ከመጠቀምዎ በፊት ሁሉንም የደህንነት መመሪያዎች ያንብቡ እና ይረዱ። እነዚህን መመሪያዎች አለመከተል በመሳሪያው ላይ ጉዳት ወይም ጉዳት ሊያስከትል ይችላል.
- Do not look directly into the laser beam. The laser is a Class 2 laser product.
- መሳሪያውን ለመቀየር ወይም ለመበተን አይሞክሩ። ጥገናዎች መከናወን ያለባቸው ብቃት ባላቸው ባለሙያዎች ብቻ ነው።
- Ensure the battery compartment is securely closed before use.
- መሳሪያው እንዳይፈስ ለመከላከል መሳሪያው ረዘም ላለ ጊዜ ጥቅም ላይ የማይውል ከሆነ ባትሪዎችን ያስወግዱ.
- Keep the device away from water, dust, and extreme temperatures.
3. የጥቅል ይዘቶች
Carefully unpack the box and check if all items are present and undamaged. If any item is missing or damaged, contact your supplier.
- UNI-T UT372 Digital Laser Tachometer
- አንጸባራቂ ቴፕ
- USB Interface Cable (for UT372 only)
- PC Software CD (for UT372 only)
- የእንግሊዝኛ የተጠቃሚ መመሪያ
- ባትሪዎች (1.5V LR6 x 4)

Image 3.1: The UNI-T UT372 tachometer and its standard accessories as packaged.
4. Product Layout and Panel Introduction
Familiarize yourself with the components and controls of your UT372 tachometer.

ምስል 4.1፡ ፊትና ጎን view of the UT372 tachometer with labeled components.
- Tachometer Light Source: ለመለካት የሌዘር ጨረር ያወጣል።
- LCD ማሳያ፡- Shows measurement readings, modes, and other indicators.
- HOLD / ON/OFF Button: Press to power on/off the device. Short press to activate/deactivate data hold.
- የምናሌ አዝራር፡- Accesses the menu for settings adjustments.
- R/C (RPM / Counts) Button: Toggles between RPM and Count measurement modes.
- የቃኝ አዝራር፦ Used for adjusting settings within the menu.
- M/M/A (MAX/MIN/AVG) Button: Cycles through Maximum, Minimum, and Average measurement modes.
- USB Port (UT372 only): ለመረጃ ማስተላለፍ ከኮምፒውተር ጋር ለመገናኘት።
5. ማዋቀር እና ባትሪ መጫን
5.1 የባትሪ ጭነት
- በመሳሪያው ጀርባ ላይ የባትሪውን ክፍል ሽፋን ያግኙ.
- ሽፋኑን በማንሸራተት ወይም በመፍታት ይክፈቱት።
- Insert four 1.5V LR6 (AA) batteries, ensuring correct polarity (+/-).
- የባትሪውን ክፍል ደህንነቱ በተጠበቀ ሁኔታ ይዝጉ።
5.2 Applying Reflective Tape
For accurate non-contact measurement, apply a piece of reflective tape to the rotating object whose speed or count you wish to measure. Ensure the tape is clean and securely attached.
6. የአሠራር መመሪያዎች
6.1 ማብራት / ማጥፋት
የሚለውን ይጫኑ HOLD / ON/OFF button to turn the tachometer on or off.
6.2 RPM Measurement
- Ensure the device is in RPM measurement mode (indicated on the LCD). If not, press the አር/ሲ ለመቀየር አዝራር.
- Point the laser beam at the reflective tape on the rotating object.
- Maintain a measurement distance between 50mm and 200mm (2 to 8 inches) from the target.
- The RPM reading will be displayed on the LCD.
- ማስታወሻ፡- If no signal is detected within 7 seconds, the LCD will display "0.0000". If the RPM exceeds 99999, the LCD will display "OL" (Overload).

Image 6.1: Illustrates the correct distance and method for RPM measurement.
6.3 Counts Measurement
- የሚለውን ይጫኑ አር/ሲ button to switch to Count measurement mode.
- Point the laser beam at the reflective tape on the object.
- The device will count the number of times the laser beam reflects off the tape.
6.4 Mode Selection (MAX/MIN/AVG)
የሚለውን ይጫኑ ኤም/ኤም/ኤ የሚከተሉትን የማሳያ ሁነታዎች ለማለፍ ደጋግሞ አዝራሩን ይጫኑ፡
- ከፍተኛ Displays the maximum measured value.
- ደቂቃ፡- Displays the minimum measured value.
- አማካይ Displays the average measured value.
- መደበኛ፡ Displays the current real-time measurement.
6.5 የውሂብ መያዣ
During measurement, a short press of the HOLD / ON/OFF button will freeze the current reading on the display. Press it again to release the data hold and resume live measurement.
6.6 ሰampየሊንግ ተመን ማስተካከያ
Sampling rate can be adjusted from 0.5 to 255 seconds. Refer to the detailed user manual for specific steps on how to access and change this setting via the MENU እና TUNE አዝራሮች.
6.7 USB Interface (UT372 Only)
The UT372 model features a USB port for connecting to a computer. Use the provided USB cable and PC software CD to transfer measurement data for analysis and logging. Follow the instructions provided with the software for installation and operation.
7. ጥገና
- ማጽዳት፡ መሳሪያውን ለማጽዳት ለስላሳ እና ደረቅ ጨርቅ ይጠቀሙ. ገላጭ ማጽጃዎችን ወይም ፈሳሾችን አይጠቀሙ.
- ማከማቻ፡ Store the tachometer in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
- አንጸባራቂ ቴፕ፡ Ensure the reflective tape is clean and free from damage for accurate readings. Replace as needed.
8. መላ መፈለግ
- መሣሪያው አይበራም፦ የባትሪ መጫኑን ያረጋግጡ እና ባትሪዎች እንዳልሟጠጡ ያረጋግጡ። አስፈላጊ ከሆነ ይተኩ.
- "0.0000" displayed during RPM measurement: Ensure the laser is correctly aimed at the reflective tape and the measurement distance is within 50-200mm. Check if the reflective tape is properly applied and clean.
- "OL" ይታያል፦ The measured RPM exceeds the device's maximum range (99999 RPM).
- ትክክል ያልሆኑ ንባቦች፡- Verify the reflective tape is securely attached and clean. Ensure the target object is stable during measurement. Check for any obstructions in the laser path.
- ዝቅተኛ የባትሪ አመልካች; Replace batteries promptly when the low battery icon appears on the display.
9. ዝርዝሮች

Image 9.1: Detailed specifications for the UT370 series tachometers.
| መለኪያ | UT372 Specification |
|---|---|
| የ RPM ክልል | 10 RPM ~ 99999 RPM (Accuracy: ±(0.04%+2)) |
| Counts Range | 0 ~ 99999 |
| የማሳያ ብዛት | 99999 |
| የዒላማ ርቀት | 50 ሚሜ ~ 200 ሚሜ |
| ከፍተኛው የግቤት ድግግሞሽ | 10kHz, bandwidth: 5% |
| ኃይል | 1.5V Battery (LR6) x 4 |
| ማሳያ | 53mm x 41mm LCD |
| የምርት ቀለም | ቀይ እና ግራጫ |
| የምርት የተጣራ ክብደት | 100 ግ |
| የምርት መጠን | 184 ሚሜ x 56 ሚሜ x 34 ሚሜ |
| ራስ-ሰር ኃይል ጠፍቷል | Around 15 minutes (cancelable) |
| ዝቅተኛ የባትሪ ምልክት | <4.8 ቪ |
| የዩኤስቢ በይነገጽ | አዎ |
| የአሠራር ሙቀት | ከ0°ሴ እስከ 50°ሴ (32°F እስከ 122°F) |
| የማከማቻ ሙቀት | -20°ሴ እስከ 60°ሴ (-4°F እስከ 140°ፋ) |
| እርጥበት | <80% RH (የማይጨናነቅ) |
10. ዋስትና እና ድጋፍ
UNI-T products are designed and manufactured to high quality standards. For warranty information, technical support, or service, please refer to the warranty card included with your product or contact your local UNI-T distributor or customer service center. Please have your product model number (UT372) and purchase date available when contacting support.