Digital Tachometer, Non Contact Laser Photo Sensor
(1,553 reviews)
Model: SmartSensor AS926
Frequently Bought Together
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Product | Fluke 283FC CAT III 1500V, CAT IV 1000V TRMS WIRELESS MULTIMETER | Fluke 283FC/PV CAT III 1500V SOLAR KIT, 283FC TRMS DMM, A283FC CLAMP, MC4 |
Price | $535.03 | $832.74 |
In Stock | 6 | 23 |
Style | Hand-Held | Hand-Held |
Measures AC V | Yes | Yes |
Measures DC V | Yes | Yes |
Description
Digital Tachometer, Non Contact Laser Photo Sensor is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a digital displays.
Applying the MCU, photoelectricity and laser semiconductor technology, perform measurement of rotating speed without contact
Specifications:
- Accuracy: +-(0.05%+1 digits )
- Brand Name: SMART SENSOR
- Digital photo Tachometer: Laser Tachometer
- High-concerned Chemical: None
- LCD Display: 5 digital and Large LCD display
- Measurement Range: 2.5~99999RPM
- Measuring Distance: 50mm~400mm
- Model Number: AS926
- Origin: Mainland China
- Product Net Weight / Product Size: 91g / 134.5 x 50 x 26mm
- Rotating Speed Resolution: 0.1RPM (2.5~999.9RPM) 1RPM (Over 1000RPM)
- Rotational Speed Meter: Non-contact Measuring Instrument
- Sampling Time: 0.8 sec(Over 60RPM)
- Type: Tachometer
- test range select: Automatic range
- SMART SENSOR Digital photo Tachometer AS926 100~30000RPM
Features:
- Applying the MCU, photoelectricity and laser semiconductor technology, perform measurement of rotating speed without contact
- Wide measuring range and high resolution
- Large LCD display
- Automatically store the MAX, Min and LAST value
- Low battery indication
- ELEGANT and easy to use.
- Solid structure built with durable electronic elements and light ABS plastic house
Warm Reminder
- All products with original packaging box, so that can protect the products well on the shipping way avoid damage.
- The product does not contain the battery because of the limitation of the airline company.
- Warranty: All units are with Retail box. and we offer Long warranty period of 2 years, in two years will repair for free.
- Shipping Way: if you need it faster, you can choose AliExpress standard shipping, also have China post airmail !
Notes:
- Apply a reflection mark to the object being measured, Press" TEST button key and align the laser beam with the measure target
- Release the TEST button when the display is stable, The result will display on the LC, which will be stored automatically
- Press TEST button again, the unit will be turned off.
- This unit have the auto turn off function to save the battery lift, when power on, if there is not any further operation, the unit will turn off in 609 seconds

Wide test rangehigh resolution

Maximum and Minimum Value
Advanced Tachometer Readiness Self-Check
The accuracy and reliability of rotational speed measurements are crucial in industries where precise monitoring of moving parts is essential. Whether you’re working with motors, fans, or industrial equipment, you need confidence that your tachometer is fully operational before starting any measurements.This Digital Non-Contact Laser Tachometer features an integrated readiness self-check, ensuring the device is in optimal working condition before each use. The quick self-check provides valuable insight into the tachometer’s laser sensor functionality, battery life status, and measurement accuracy, helping you avoid unnecessary rework and ensuring consistent, reliable readings.

High-Precision Non-Contact Measurement
Equipped with photoelectric laser sensing technology, this digital tachometer offers safe, contact-free RPM measurement for rotating equipment. The non-contact design enhances safety while eliminating mechanical wear, making it an ideal tool for high-speed and delicate machinery.
Efficient Logging and Data Saving
The tachometer includes built-in memory for saving multiple readings, enabling users to track performance trends over time. With a real-time clock, each recorded measurement is time- and date-stamped for accurate data logging. Additionally, the device allows users to customize logging durations and intervals, adapting to the specific needs of different applications.
283FC overview

Screen layout

1. LCD display | 2. Mode button |
---|---|
3. Laser Beam | 4. ON/OFF button |
5. °C/°F backlight switch | 6. Test button |
In The Box
- Rotational Speed Meter
- Adhesive Tapes
- User Manual
Tech Specs
Style | Hand-Held |
---|---|
Material | ABS plastic |
Temperature Range | 0~50/32F~122F |
Resolution | 0.1RPM 100~999.9RPM, 1 RPM to1000~30000RP |
Measuring Distance | 50 ~ 400mm / 2 ~ 16in |
Test Selection | Automatic switching |
Power Consumption | About 50MA |
Working Temperature | 0-50 degrees |
Data Storage/Data Storage | Yes |
Battery Status Indication | Yes |
Size | 60 50*26*135mm |
Screen | LCD backlight screen |
Measurement Range | 100RPM ~ 30000RPM |
Precision | (0.05 percent plus 1 digit) |
Time Base | 6MHZ crystal oscillator |
Sampling Time | 0.8 s (over 60RPM) |
Power Supply | 3 x 1.5V AAA batteries (not included) |
Product Net Weight | 91g |
Power | 3*1.5V AAA Battery ( not include ) |
Memories Clear | Yes |
Max / Min Measuring | Yes |
Accuracy | ±(0.05%+1 digits ) |
General Attributes
Safety Approval | CE, FCC |
---|
Description
Digital Tachometer, Non Contact Laser Photo Sensor is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a digital displays.
Applying the MCU, photoelectricity and laser semiconductor technology, perform measurement of rotating speed without contact
Specifications:
- Accuracy: +-(0.05%+1 digits )
- Brand Name: SMART SENSOR
- Digital photo Tachometer: Laser Tachometer
- High-concerned Chemical: None
- LCD Display: 5 digital and Large LCD display
- Measurement Range: 2.5~99999RPM
- Measuring Distance: 50mm~400mm
- Model Number: AS926
- Origin: Mainland China
- Product Net Weight / Product Size: 91g / 134.5 x 50 x 26mm
- Rotating Speed Resolution: 0.1RPM (2.5~999.9RPM) 1RPM (Over 1000RPM)
- Rotational Speed Meter: Non-contact Measuring Instrument
- Sampling Time: 0.8 sec(Over 60RPM)
- Type: Tachometer
- test range select: Automatic range
- SMART SENSOR Digital photo Tachometer AS926 100~30000RPM
Features:
- Applying the MCU, photoelectricity and laser semiconductor technology, perform measurement of rotating speed without contact
- Wide measuring range and high resolution
- Large LCD display
- Automatically store the MAX, Min and LAST value
- Low battery indication
- ELEGANT and easy to use.
- Solid structure built with durable electronic elements and light ABS plastic house
Warm Reminder
- All products with original packaging box, so that can protect the products well on the shipping way avoid damage.
- The product does not contain the battery because of the limitation of the airline company.
- Warranty: All units are with Retail box. and we offer Long warranty period of 2 years, in two years will repair for free.
- Shipping Way: if you need it faster, you can choose AliExpress standard shipping, also have China post airmail !
Notes:
- Apply a reflection mark to the object being measured, Press" TEST button key and align the laser beam with the measure target
- Release the TEST button when the display is stable, The result will display on the LC, which will be stored automatically
- Press TEST button again, the unit will be turned off.
- This unit have the auto turn off function to save the battery lift, when power on, if there is not any further operation, the unit will turn off in 609 seconds

Limit gauge - within range

Limit gauge - outside of range
Unique Multimeter Readiness Self-Check
The size and location of utility-scale solar sites can present unique challenges whether they’re logistical, environmental, or testing related. Because of that, you want to have confidence that your meter is fully functional, capturing the right data every time so you don’t have to do the same job twice.
The 283 FC features a unique integrated multimeter readiness self-check, that ensures your meter is in proper working order before you take your next reading. This quick self-check is an additional readiness test that gives you valuable insight to the status of your meter’s calibration, battery life availability, test lead functionality, and AC/DC voltage measurement functionality so you can be confident that your meter is ready to work when you are.

Logging/Saving
The 283 FC offers convenient logging and saving features that set it apart from other digital multimeters. With a built-in real-time clock, each measurement can be time- and date-stamped for accurate recordkeeping. The multimeter has internal memory to save and log measurements, which can then be easily transferred to Fluke Connect for further analysis. Additionally, you have the flexibility to customize logging durations and intervals, ensuring the logging process matches the specific needs of the system you are testing.
Fluke Connect with Fluke Cloud Storage
The 283 FC offers convenient logging and saving features that set it apart from other digital multimeters. With a built-in real-time clock, each measurement can be time- and date-stamped for accurate recordkeeping. The multimeter has internal memory to save and log measurements, which can then be easily transferred to Fluke Connect for further analysis. Additionally, you have the flexibility to customize logging durations and intervals, ensuring the logging process matches the specific needs of the system you are testing.
283FC overview

Screen layout

1. Battery status | 11. Unit and function of measurement |
---|---|
2. Date/time | 12. Continuity |
3. MIN/MAX mode is on | 13. Live measurement |
4. Active MIN/MAX selection | 14. Unit and function of measurement |
5. Relative mode is on | 15. Limit gauge indicator |
6. HOLD/Auto hold is on | 16. Relative mode measurement |
7. Clamp paired | 17. Voltage >30V or voltage overload (OL) |
8. FC Connect is on | 18. Polarity mode is triggered |
9. Logging mode/memory usage | 19. Auto/manual range |
10. Live measurement |
In The Box
- 283FC TRMS Multimeter
- TL175-HV TwistGuard silicone test leads
- Premium carrying case
- TPAK magnetic hanging strap
Manuals/Guides
Brochures
- Fluke Solar Energy Resources
Manuals
- Manual
- Quick start guide
Spec Sheets
- Data sheet
Other
- Fluke DMM comparison chart
Tech Specs
Multimeters Template
Style | Hand-Held |
---|---|
Measures AC V | Yes |
Measures DC V | Yes |
Measures AC A | Yes |
Measures DC A | Yes |
True RMS | Yes |
Maximum Voltage AC | 1000 V |
Resolution AC Volts | 0.1 mV |
Maximum Voltage DC | 1500 V |
Resolution DC Volts | 0.1 mV |
Maximum Current AC | 60 A |
Resolution AC Current | 0.01 A (10 mA) |
Maximum Current DC | 60 A |
Resolution DC Current | 0.01 A (10 mA) |
Basic Accuracy V DC | 1 |
Counts | 6000 |
Backlight | Yes |
Manual/Autoranging | Both |
Resistance | Yes |
Frequency | Yes |
Capacitance | Yes |
Temperature | No |
Diode Testing | No |
CAT Rating | IV |
CAT Voltage | 1,000 V |
Intrinsically Safe | No |
Peak Hold | No |
Overload Protector | Yes |
Kelvin 4-Wire Measurement Capability | No |
Wireless Display | No |
Data Hold | Yes |
Low-Pass Filter | No |
Test Equipment General Attributes
Safety Approval | CE, CSA, ETL |
---|---|
IP Rating | IP52 |