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Laser Pulley Alignment System

KX-3550 Pulley PRO® Green

Get more out of your belt driven equipment with proper belt alignment using PULLEY PRO GREEN belt alignment tool.

With Patented Reflected Laser Beam Technology

The Pulley Pro Green is a state of the art pulley alignment system that makes use of green laser technology.

One of the most efficient and reliable laser belt alignment tools available, the Pulley Pro Green is an extremely powerful device. It takes advantage of reflected beam technology, allowing for maximum angular resolution.

Regardless of the industry you work in, the Pulley Pro Green will give you accurate results every time you use it.Besides a brighter laser and enhanced optics, the design of this system reduces belt noise and can help save on your energy bills. This machine only requires one person to operate it, with no training necessary.

Features and Benefits

  • Green is 10x’s brighter than red
  • Reduces vibration and belt noise
  • Prolongs belt and pulley life
  • Reduces down time and energy costs
  • Fast and easy
  • Shows angular, parallel, and offset simultaneously
  • No training required
  • One-person operation
  • More accurate and efficient than any other tool or conventional method
  • Uses proven reflected laser beam technology
  • Used for shots up to 4.5m. / 15 ft. or better

Technical Data

Type of laser 
Green laser diode
1x Built-in class 2 laser, <1 mW, 532 nm
Laser line length 
711mm at 1,9 m (28" at 6 ft)
Measurement accuracy angular 
Better than 0,02° at 2 m (6.6 ft)
Measurement accuracy offset 
1,6 mm at 1.9 m (1/16" at 6 ft.)
Measurement distance 
4 600 mm (15 ft)
Laser on/off rocker switch
Housing material 
Aluminum, powder coat finish
Transmitter unit 
23 x 32 x 165 mm (1.25 x 1.25 x 6.5 in.)
Receiver unit 
23 x 19 x 165 mm (1.25 x 0.75 x 6.5 in.)
Reflector dimensions 
25 x 36 mm (1.0 x 1.4 in.)
Transmitter unit 
286.3 g (10.1 oz.)
Receiver unit 
175.8 g (6.2 oz.)
Magnetic, side mounted
2x AAA Alkaline type IEC LR03
Operation time 
8 hours continuous operation
Carrying case dimensions 
260 x 203 x 76 mm (10.25 x 8 x 3 in.)
Total weight (incl. case) 
0,9 kg (1.9 lbs)
Operating temperature 
9 to 43 °C (15 to 110 °F)
Storage temperature 
–20 to +60 °C (–4 to +140 °F)
Relative humidity 
10 to 90% RH non-condensing
IP rating 
IP 40
Calibration certificate 
Valid for two years
Case contents 
1x KX-3500T transmitter unit 1x KX-3500R receiver unit 2x AAA batteries 1x Printed instructions for use 1x Calibration certificate


KX-1050set      Offset Bracket Kit for Pulley Partner® series and Pulley Pro®

Offset Bracket Kit is used with pulleys or sprockets when a large offset is required. The kit includes a 1/2" and a 3/4" offset brackets.

Combine both offset brackets for a 1 1/4" offset. Or a compleet set with Sonic Belt Tensioning Meter.


Standard Bracket
1/2" Offset Bracket
3/4" Offset Bracket