Multi-function Yarn Speed & Length Meter


The CHECK-LINE YSL-2000HD combines the functions of three separate instruments in one, easy-to-use device.

It accurately measures the speed and length of yarns, and other filaments using a unique "wrapper" roller. This precision roller directs the filament onto the low-inertia, U-grooved measuring wheel to maximize contact and eliminate filament slip and breakage.

The YSL-2000HD can also be used as either a contact or non-contact tachometer to measure rotational speeds of shafts, motors, pulleys, etc. or linear speeds of moving surfaces such as conveyor belts, webs of paper or fabric, etc.

Slide-on measuring heads make it simple to rapidly convert from one function to another
NIST-Traceable Certification Included
Accuracy of 0.02%
5 Year Warranty
Built-in memory for last, maximum, minimum values

Photo Gallery - click any photo to enlarge
YSL-2000HD Multi-function Speed & Length Meter

User-selected engineering units
Linear Speed Length Revolutions
feet/min feet rpm
meters/min meters
inches/min inches
Tachometer Accessories
Click here for tachometer accessories
Tachometer Accessories

Complete Kit
The YSL unit, two slide-on measuring heads (tachometer and yarn speed), cone tip, universal surface speed wheel with integrated funnel tip adapter, reflective tape, two AA batteries and operating instructions, all supplied in a foam-fitted, hard-plastic carrying case.complete kit
Measuring Ranges
RPM Non-Contact: 1.00 - 99,999 rpm
Contact: 1.00 - 19,999 rpm
Surface Speed 0.30 - 6,500 feet/min
0.10 - 1,999 meters/min
4.0 - 78,000 inches/min
Length 0.01 - 99,999 feet
0.02 - 99,999 meters
1.0 - 99,999 inches
Resolution .01 from 0 - 100
.1 from 100 - 1,000
1 from 1000 - 99,999
Yarn/Wire Diameter (max.) Yarn: 1mm Wire: 0.3mm
Accuracy 0.02% of reading or 1 digit
Display 5 - Digit LCD, 10mm high
Decimal Point Automatic
Memory System Maximum, minimum, and last reading (retained in memory for the life of the batteries)
Measurement System Non-Contact: Visible LED light beam
Contact: Contact adapter
Sensing Distance Up to 14 inches (350mm)
Display Update Time 0.5 seconds or one measuring
Auto Power Off After 30 seconds of non-use (minimum, maximum and last reading retained in memory)
Battery Life 20 hours continuous use
Weight 6 ounces (170 grams)
Housing Material ABS Plastic
Operating Temperature 32 to 122 F (0 to 50 C)
Storage Temperature -4 to 150 F (-20 to 70 C)
Optional Accessories Shaft extension, 3.15 inches (80 mm)
Warranty 5 years

manual  PDF Brochure  Click here to download
manual  PDF Instruction Manual  Click here to download

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