Resolution: 0.1 RPM(2.5 ~ 999.9 RPM), 1 RPM (over 1,000 RPM). Testing range: 2.5 to 99,999 RPM (rate/min). (over 60 RPM). Test range selection: Automatic. Detecting Distance: 50 to 500 mm. There might be a bit of color distortions due to different computer resolutions.
eBay
DT-2234C+ Digital Photo Tachometer Digital Engine Tachometer Digital Speedometer Digital Laser Photo Tachometer Non Contact Tach
Aliexpress UK
eBay
FNIRSI DST-210 and DST-201 3-in-1 Digital Multimeter Oscilloscope 19999 Counts Portable Automotive Oscilloscope Electrical Tool
Aliexpress UK
Specifications: AC Current: 20A AC Voltage:200mV/2V/20V/200V/750V DC Voltage:200mV/2V/20V/200V/1000V Resistance:200Ω/2KΩ/20KΩ/200KΩ/20MΩ/200MΩ Temp:-4~1800 ℉(-20~1000 ℃) (Temperature probe included) Dwell Angle:0-120.0°,0-90.0°,0-72.0°,0-60.0°,0-45.0° Tacho (Rotate Speed):500~10000 RPM (+/-1.5% + 8) More Functions: √NCV √Data Hold √Diode Test √Auto Shut Down √Auto Backlit Display √Continuity W/ Buzzer √LED Dial Indicator Light √Manual Range Switchable √Degrees Celsius / Fahrenheit Switchable.
eBay
TASI TA500A/B/C Tachometer Contact&Non-contact Digital Tachometer Laser Photo Tachometer High Accuracy Max 100000 RPM Tachometer
Aliexpress UK
2 Stroke Gasoline Engine of 1 Cylinder/ 2 Cylinders/ 3 Cylinders. 4 Stroke Gasoline Engine of 1 Cylinder/ 2 Cylinders/ 3 Cylinders/ 4 Cylinders/ 5 Cylinders/ 6 Cylinders/ 8 Cylinders/ 12 Cylinders/. INSTALLATION ---- Simple mount it by stick-on and screw-on at any proper position;One wire hook-up design for engine signal detection with wire shorten or extend;.
eBay
TASI Tachometer Contact Non-contact Digital RPM Tachometer Laser Photo Tachometer 3~100000RPM High Accuracy Backlit Display
Aliexpress UK
(over 60 RPM). Resolution: 0.1 RPM(2.5 ~ 999.9 RPM), 1 RPM (over 1,000 RPM). Testing range: 2.5 to 99,999 RPM (rate/min). Test range selection: Automatic. Detecting Distance: 50 to 500 mm. 1x Carrying bag.
eBay
TASI Contact/Non-contact Digital Tachometer Laser Photo Tachometer 3~100000RPM High Accuracy RPM Tachometer Backlit Display
Aliexpress UK
Size: 52mm. Display Range: 0~999 (x 10 RPM). LED 20PCS Every 500RPM lighten 1pc LED light. Plantar Fasciitis Sock For Strassburg Night Splint Achilles Heel Foot Stretching. Easy install, durable. Color: Black.
eBay
Tachometer Digital Tachometer Photoelectric Tachometer 630-650nm Wide Measuring Range Large Screen LCD Display 10~99999 Rpm
Aliexpress UK
Accurate RPM reading from 0 to 11,000 RPM with adjustable shift light RPM. Invisible gauge dial when the ignition is off; clear display with colored LED illumination when on. Shift light Green First and then turn Red.
eBay
UNI-T Mini Digital Laser Tachometer UT373 Non-Contact Tachometer RPM Range 10-99999RPM Tachometer Odometer Backlight
Aliexpress UK
(over 60 RPM). Resolution: 0.1 RPM(2.5 ~ 999.9 RPM), 1 RPM (over 1,000 RPM). Testing range: 2.5 to 99,999 RPM (rate/min). Test range selection: Automatic. WiFi Smart Curtain Module Blind Curtains Switch Electric Roller Remote Tuya APP.
eBay
Digital Laser Tachometer Diagnostic Tool Non-Contact Tachometer 2.5Rpm-99999Rpm Lcd Display Tachometer Low Battery Warning
Aliexpress UK