- Auto Power Off
- Weight 230 g (8oz)
- 2 Years Warranty
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Feel free to contact us: Mobile: 0344 3813810
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Feel free to contact us: Mobile: 0344 3813810
- Ideal for VSDs, UPS, lighting
- AC/DC with low pass filter
- Data logging records results
- 2 Years Warranty
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Feel free to contact us: Mobile: 0344 3813810 The Fluke 345 Power Quality Clamp Meter is Fluke’s newest power quality analyzer and is an ideal meter for commissioning and troubleshooting modern electrical loads. The Fluke 345 combines a power quality analyzer, digital clamp meter, oscilloscope, and data logger in one. This combination of functions, coupled with high quality digital filtering, makes it ideal for working with variable frequency motor drives, high efficiency lighting, and other loads using switching electronics. With the bright color power meter display to analyze the harmonic spectrum, a low-pass filter to remove high frequency noise, and a high EMC immunity design, the Fluke 345 power analyzer is ideal for measurements on switching loads such as variable speed drives, electronic lighting and UPS systems. Of course, the Fluke 345 is easy to use and will make the basic measurements of voltage and current to determine if there is something seriously wrong with the circuit under test. It’s rated for use at the service entrance with a 600 Volt CAT IV rating. With the 2000 A range and large jaw opening, you can evaluate most of the circuits in the building. The Fluke 345 can also measure both ac and dc voltage and current simultaneously, and identify the magnitude of each separately and combined as ac+dc true-rms. The Fluke 345 Power Quality Clamp Meter is the ideal tool for technicians and engineer involved in installing and commission switch electronic loads. It can deal with the difficult demands of measuring and monitoring variable frequency drives, UPS systems and other switching loads. It’s simply the ideal meter for commissioning and troubleshooting modern electrical loads. Additionally, the Hall Effect measurement system design makes measurement of dc current possible without the need to break the circuit with the power meter and the internal memory enables long-term logging for analysis of trends or intermittent problems. Applications:
- Setup and troubleshoot variable frequency drives and UPS systems – Verify correct operation by measuring key power quality parameters
- Harmonics measurements – Uncover harmonic issues that can damage or disrupt critical equipment
- Inrush capture – Check start-up current where spurious resets or nuisance circuit breaker tripping occurs
- Load studies – Verify electrical system capacity before adding loads
- 345 Power Quality Clamp Meter
- Soft carrying case
- Power Log software
- Test leads
- Alligator clips
- Test probes
- USB cable
- International ac adapter / battery eliminator
- Printed English language user manual
- Multi-language manual CD
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Feel free to contact us: Mobile: 0344 3813810 he Fluke 345 Power Quality Clamp Meter is Fluke’s newest power quality analyzer and is an ideal meter for commissioning and troubleshooting modern electrical loads. The Fluke 345 combines a power quality analyzer, digital clamp meter, oscilloscope, and data logger in one. This combination of functions, coupled with high quality digital filtering, makes it ideal for working with variable frequency motor drives, high efficiency lighting, and other loads using switching electronics. With the bright color power meter display to analyze the harmonic spectrum, a low-pass filter to remove high frequency noise, and a high EMC immunity design, the Fluke 345 power analyzer is ideal for measurements on switching loads such as variable speed drives, electronic lighting and UPS systems. Of course, the Fluke 345 is easy to use and will make the basic measurements of voltage and current to determine if there is something seriously wrong with the circuit under test. It’s rated for use at the service entrance with a 600 Volt CAT IV rating. With the 2000 A range and large jaw opening, you can evaluate most of the circuits in the building. The Fluke 345 can also measure both ac and dc voltage and current simultaneously, and identify the magnitude of each separately and combined as ac+dc true-rms. The Fluke 345 Power Quality Clamp Meter is the ideal tool for technicians and engineer involved in installing and commission switch electronic loads. It can deal with the difficult demands of measuring and monitoring variable frequency drives, UPS systems and other switching loads. It’s simply the ideal meter for commissioning and troubleshooting modern electrical loads. Additionally, the Hall Effect measurement system design makes measurement of dc current possible without the need to break the circuit with the power meter and the internal memory enables long-term logging for analysis of trends or intermittent problems. Applications:
- Setup and troubleshoot variable frequency drives and UPS systems – Verify correct operation by measuring key power quality parameters
- Harmonics measurements – Uncover harmonic issues that can damage or disrupt critical equipment
- Inrush capture – Check start-up current where spurious resets or nuisance circuit breaker tripping occurs
- Load studies – Verify electrical system capacity before adding loads
- 345 Power Quality Clamp Meter
- Soft carrying case
- Power Log software
- Test leads
- Alligator clips
- Test probes
- USB cable
- International ac adapter / battery eliminator
- Printed English language user manual
- Multi-language manual CD
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Feel free to contact us: Mobile: 0344 3813810 Industrial plants and large facilities often have equipment and installations that draw greater than 1000 A. As with other current measurements, it is not practical to disconnect the equipment to make a series of current measurements. The ability to check that an expensive system has been installed correctly, troubleshoot large loads, and make accurate measurements on UPS and Variable Frequency drives with noisy loads is also essential. In industrial settings, compliance with NFPA 70E safety standards, while making measurements, is critical. Fluke has addressed this by designing this product to meet CAT IV 600 V and CAT III 1000 V ratings. Confidently take reliable readings with the Fluke 353 AC/DC True-rms Clamp Meter – the tool of choice for high-current clamp-on amp meter measurements up to 2000 A. The extra-wide jaw easily clamps around large conductors, typically found in high-current applications and the extra rugged design has an extra element of user protection when taking high-powered measurements. Accurate peak measurements can be taken using the in-rush current mode, ideal for motors and inductive loads. Applications: Industrial plants and facilities Building maintenance, e.g. universities, hospitals, large offices, correctional institutions Plant works, e.g. power, pharmaceutical, printing, automotive assembly Manufacturing and process facilities Refineries Steel mills and other metal manufacturing plants Large DC systems such as DC electroplating, or marine electrical systems What’s Included: Fluke C43 Soft Carrying Case 6 AA batteries Users manual 3 year warranty
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Feel free to contact us: Mobile: 0344 3813810 The Fluke 360 leakage tester is a rugged and accurate solution for leakage current measurement. Ideally designed for non-invasive checks of insulation condition, the Fluke 360 leakage meter allows you to perform tests without powering down the installation or disconnecting equipment – saving you time, without compromising on quality or safety. The unique jaw design of the Fluke 360 AC Leakage Current Clamp Meter eliminates the influence of adjacent current conductors, and measure leakage current down to 1 µA for monitoring of insulation and makes it ideal for checking insulation of low-voltage circuits and electrical components.. The ergonomic design of the Fluke 360 ensures easy measuring. The measuring clamp fits into tight spaces and the wide display angle clearly shows the measured value on the display after removing the clamp for the measured conductor. The Fluke 360 minimizes the effects of external magnetic fields, even at low currents. This allows you to perform accurate and reliable tests in today’s crowded electrical environments. The tough and high-quality jaw design of the Fluke 360 leakage tester guarantees high stability for long-term repeatability and durability. Why leakage current testing? Leakage currents can be an indicator of the effectiveness of insulation on conductors. High levels of leakage current may be present in circuits where either the insulation resistance is low, or electronic equipment with filters is used. Leakage currents can cause disruptions of the normal operation of equipment and installations. It is possible to locate the source of leakage currents by using the Fluke 360 leakage current clamp meter and taking methodical measurements throughout the installation. The big advantage of leakage current testing versus insulation testing is that the installation and equipment do not need to be powered down but can be done during normal operation. What’s Included:
- Soft carrying pouch
- Users manual in languages: English, French, Spanish, German, Italian, Portuguese, Simplified Chinese
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Feel free to contact us: Mobile: 0344 3813810
- Detachable Jaw clamp
- Built in Flash/Torch light
- 3 years Warranty
- CAT IV 600, CAT III 1000 V
- iFlex 2500 A AC
- 1000 V AC/DC
- mV DC
- 60 kΩ
- 1000 μF
- 18-inch iFlex flexible current probe – i2500-18
- TL75 test leads
- Coated instruction card
- Safety information sheet
- Soft carrying case
- Two AA Alkaline batteries
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Feel free to contact us: Mobile: 0344 3813810
- True-RMS
- 600 A AC/DC
- Works with iFlex flexible current probes
- 3 years Warranty
- CAT IV 600, CAT III 1000 V
- iFlex 2500 A AC
- 1000 V AC/DC
- mV DC
- 60 kΩ
- 1000 μF
- 18-inch iFlex flexible current probe – i2500-18
- TL75 test leads
- Coated instruction card
- Safety information sheet
- Soft carrying case
- Two AA Alkaline batteries
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Feel free to contact us: Mobile: 0344 3813810
- CAT IV 600
- CAT III 1000 V
- 3 years Warranty
- CAT IV 600, CAT III 1000 V
- iFlex 2500 A AC
- 1000 V AC/DC
- mV DC
- 60 kΩ
- 1000 μF
- 18-inch iFlex flexible current probe – i2500-18
- TL75 test leads
- Coated instruction card
- Safety information sheet
- Soft carrying case
- Two AA Alkaline batteries
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Feel free to contact us: Mobile: 0344 3813810
- True-RMS 1000A AC/DC
- Work in tight spots with the 18" iFlex current probe and measure up to 2500A AC
- CAT III/IV Safety ratings
- 3 years Warranty
- CAT IV 600, CAT III 1000 V
- iFlex 2500 A AC
- 1000 V AC/DC
- mV DC
- 60 kΩ
- 1000 μF
- 18-inch iFlex flexible current probe – i2500-18
- TL75 test leads
- Coated instruction card
- Safety information sheet
- Soft carrying case
- Two AA Alkaline batteries
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Feel free to contact us: Mobile: 0344 3813810 Pinpoint power problems faster, safer and in greater detail! The Fluke 434 three-phase power quality analyzer help you locate, predict, prevent and troubleshoot problems in three- and single- phase power distribution systems. Troubleshooting is faster with on-screen display of trends and captured events, even while background recording continues. The Fluke 434 offers unique features like AutoTrend, which records everything on the screen automatically, and System-Monitor, a quick diagnosis of system performance against user defined limits and Logger Function (optional functionality can be added with upgrade kit Fluke 434/LOG). Together the features help to quickly diagnose problems and build benchmarks for predictive maintenance. The new IEC standards for flicker, harmonics, and power quality are built right in to take the guess work out of power quality. Simple to use with immediate results Designed for power quality specialists as well as electricians and plant technicians working in industrial, healthcare, business, and public services settings, the Fluke 434 has functions typically only found on expensive power recorders. Yet its menu-driven interface allows users to be hooked up and recording in minutes. Full measurement capability and the highest safety rating With a CAT III, 1000 V / CAT IV, 600 V safety rating the Fluke 434 can measure all phases, neutral and ground on virtually every connection in a low voltage electrical distribution system. The meter’s measurement capabilities encompass all power system parameters including true-rms voltage and current, frequency, power, power consumption (energy), unbalance and flicker. They also automatically capture events like transients (as fast as 5 microseconds and as high as 6kV), interruptions, rapid voltage changes and dips and swells. Rugged design for field use Optimized for mobile applications, these rugged instruments operate up to seven hours on a single battery charge. The large data (8 MB) memory stores up to 50 screens and up to 10 measurements each comprising 32 parameters – including setups and trend data – recorded for more than a year, all of which can be transferred to a PC via FlukeView® software for analysis or use in reports. If any of these situations apply to you, then this tool is for you:
- Frontline Troubleshooting – Quickly diagnose problems on-screen to get your operation back online
- Predictive Maintenance – Detect and prevent power quality issues before they cause downtime
- Quality of Service Compliance – Validate incoming power quality at the service entrance
- Long-term Analysis – Uncover hard-to-find or intermittent issues
- Load Studies – Verify electrical system capacity before adding loads
- Energy Assessments – Quantify energy consumption before and after improvements to justify energy saving devices
- Fluke C430 Hard carrying case
- Fluke i400s 4 current clamps, CAT IV 600 V
- Fluke TLS430 5 Test leads, 4 black, 1 green
- Fluke BC430 Battery Charger Eliminator
- FlukeView Software SW43W
- Fluke OC4USB Optical Cable for USB
- Fluke WC100 Color localization set
- Getting Started printed
- User Manual (CD-ROM)
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Feel free to contact us: Mobile: 0344 3813810 The Fluke 434/PWR power analyzer is the ideal tool for finding energy waste in commercial and factory buildings and equipment. Electricians, field service engineers and maintenance technicians can use this special edition instrument to conduct energy consumption studies and electrical load analysis, and to perform power quality logging and analysis according to EN 50160. Fluke’s 434/PWR is a complete three-phase troubleshooting tool that measures virtually every power system parameter: voltage, current, frequency, power, energy consumption, cos f or power factor, unbalance, and harmonics and inter-harmonics. The Fluke 434/PWR is an upgraded version of the popular 434 model. It now includes the previously optional logging feature, Inrush and Transients measurement functions. In addition, it includes four iFlex 430, flexible current probes and a new soft case. The bundled PowerLog software enables logged files to be downloaded and reports generated automatically (the standard voltage leads and clips are included).
Load studies and energy assessments
- Monitor maximum power demand over user-defined averaging periods
- Demonstrate the benefit of efficiency improvements with energy consumption tests
- Measure harmonic distortion caused by electronic loads
- Analyze reliability problems by capturing voltage dips and swells from load switching
Applications
- Load studies – verify electrical system capacity before adding loads
- Energy assessments – quantify energy consumption before and after improvements to justify energy saving devices
- Frontline troubleshooting – quickly diagnose problems on‐screen to get your operation back online
- Quality of service compliance – validate incoming power quality at the service entrance
- Long‐term analysis – uncover hard‐to‐find or intermittent issues
- Analyze reliability problems by capturing voltage dips and swells from load switching
- i430-Flexipack 4 current clamps
- 5 Test leads, 4 black, 1 green
- 5 Alligator clips, 4 black, 1 green
- BC430 Battery charger eliminator
- Power Log Software
- OC4USB Optical cable for USB
- WC100 Color localization set
- Getting Started (booklet)
- User Manual (CD-ROM)
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Feel free to contact us: Mobile: 0344 3813810 The Fluke 435 three-phase power quality analyzer help you locate, predict, prevent and troubleshoot problems in three- and single- phase power distribution systems. Troubleshooting is faster with on-screen display of trends and captured events, even while background recording continues. The Fluke 435 offers unique features like AutoTrend, which records everything on the screen automatically; System-Monitor, a quick diagnosis of system performance against user defined limits; Logger Function with multi-parameter logging; and Mains Signaling, measures interference from ripple control signals at specific frequencies. These features help to quickly diagnose problems and build benchmarks for predictive maintenance. The new IEC standards for flicker, harmonics, and power quality are built right in to take the guess work out of power quality. Simple to use with immediate results Designed for power quality specialists as well as electricians and plant technicians working in industrial, healthcare, business, and public services settings, the Fluke 435 has functions typically only found on expensive power recorders. Yet its menu-driven interface allows users to be hooked up and recording in minutes. Full measurement capability and the highest safety rating Fully Class A Compliant – conduct tests according to the stringent international IEC 61000-4-30 Class A standard. With a CAT III, 1000 V / CAT IV, 600 V safety rating the Fluke 435 can measure all phases, neutral and ground on virtually every connection in a low voltage electrical distribution system. The meter’s measurement capabilities encompass all power system parameters including true-rms voltage and current, frequency, power, power consumption (energy), unbalance and flicker. They also automatically capture events like transients (as fast as 5 microseconds and as high as 6kV), interruptions, rapid voltage changes and dips and swells. Rugged design for field use Optimized for mobile applications, these rugged instruments operate up to seven hours on a single battery charge. The large data (16 MB) memory stores up to 50 screens. A detailed, user-configurable long-time recording gives you the MIN, MAX and AVG readings of up to 100 parameters on all 4 phases with selectable averaging time down to 0.5 seconds. Enough memory is available to record 400 parameters with 1 minute resolution for up to a month, all of which can be transferred to a PC via FlukeView® software for analysis or use in reports. If any of these situations apply to you, then this tool is for you:
- Frontline Troubleshooting – Quickly diagnose problems on-screen to get your operation back online
- Predictive Maintenance – Detect and prevent power quality issues before they cause downtime
- Quality of Service Compliance – Validate incoming power quality at the service entrance
- Long-term Analysis – Uncover hard-to-find or intermittent issues
- Load Studies – Verify electrical system capacity before adding loads
- Energy Assessments – Quantify energy consumption before and after improvements to justify energy saving device
- Fluke C435 Water-tight hard case with rollers
- Fluke i430s 4x 3000A flexible current clamps, CAT IV 600 V rated
- Fluke TLS430 5 Test leads, 4 black, 1 green
- Fluke BC430 Battery Charger Eliminator
- FlukeView Software SW43W
- Fluke PowerLog Software
- Fluke OC4USB Optical Cable for USB
- Fluke WC100 Color localization set
- Getting Started printed
- User Manual (CD-ROM)
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Feel free to contact us: Mobile: 0344 3813810 Power quality analysis plus a scope and a meter!! The Fluke 43B is a single phase power quality analyzer which combines the most useful capabilities of a power quality analyzer, multimeter and scope. It measures power harmonics, captures voltage sags, transients and inrush current. The Fluke 43B’s monitoring functions help track intermittent problems and power system performance. The Fluke 43B Power Quality Analyzer performs the measurements you need to maintain power systems, troubleshoot power problems and diagnose equipment failures. Features include:
- New! NiMH Battery provides extended operating time of 6.5 hours
- Combines the most useful capabilities of a power quality analyzer, multimeter and scope
- Simulates 3-phase power (assuming balanced loads) from a single-phase measurement
- Trends voltage, current, frequency, power harmonics and captures voltage sags, transients and inrush current
- Monitoring functions help track intermittent problems and power system performance
- Menus use familiar electrical terminology
- New! Toggle through the most commonly used power quality modes with a single keystroke
- Records two selectable parameters for up to 16 days
- New! 20 measurement memories to save/recall screens and data with cursor readings
- FlukeView® software can log harmonics and all other readings over time and provides a complete harmonics profile up to the 51st harmonic
- Measures resistance, diode voltage drop, continuity, and capacitance
- Users / applications manual and power quality video to help answer tough questions
- Complete package with voltage probes and 500A current clamp, FlukeView Software and optically isolated interface cable
- 3 year warranty on the Fluke 43B, 1 year on accessories
- C120 Hard Case
- TP1 Flat-tipped Slim-Reach™ Test Probes
- TP4 4 mm Round Slim-Reach™ Test Probes
- i400s AC Current Clamp
- OC4USB Optically Isolated USB Interface Adapter
- BP120MH Rechargeable NiMH Battery Pack (installed)
- PM 8907 Line Voltage Adapter/Battery Charger
- SW43W FlukeView™ Power Quality Analyzer Software and Users Manual on CD-ROM
- Shielded Banana-to-BNC Adapter
- Users Manual / Application Guide
- Power Quality CD-ROM
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Feel free to contact us: Mobile: 0344 3813810 Versatile multimeter for manufacturing, development and service applications
- 5.5 digit resolution
- Basic V dc accuracy of 0.01 %
- Dual display
- Dedicated dc leakage current measurement
- 2×4 ohms 4-wire measurement technique
- Six dedicated buttons for fast access to instrument setups
- Hi/Lo limit compare for Pass/Fail testing
- Meter
- TL71 test leads
- Line cord
- Spare line fuse
- Statement of cal practices
- WEEE information sheet
- Warranty statement
- Getting Started guide (English, French, German, Spanish, Italian, Simplified Chinese, Japanese)
- CD Rom with user manual (English)
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Feel free to contact us: Mobile: 0344 3813810 The Fluke 8845A Bench Top 6.5 digit Precision Multimeter has the precision and versatility to handle your most demanding measurements, on the bench or in a system. These meters are both high performance and feature rich, yet also remarkably easy to use. The Fluke 8845A Bench Top 6.5 digit Precision Multimeter performs the functions you would expect to see in a multifunction DMM, including measuring volts, ohms, and amps. Basic V dc accuracy of up to 0.0024 %, 10 A current range, and a wide ohms range give you an unbeatable combination of measurement capability. You can also use the the Fluke 8845A Bench Top 6.5 digit Precision Multimeter to measure frequency and period. The functions of a counter, capacitance meter, and thermometer are built in for unparalleled versatility. Extend the meters’ utility even more with their graphical display modes, including Trendplot paperless recorder mode, statistics and histograms—features you won’t find on other multimeters. Of course, the meter is also durable and dependable, features you expect from any Fluke meter. This unique combination of features and performance makes the Fluke 8845A Bench Top 6.5 digit Precision Multimeter an unbeatable value for a wide variety of applications, including manufacturing test, research and development, and service. What’s Included:
- TL71 Test Lead Set, Premium DMM
- LCI Line Core
- Spare Line Power Fuse
- Statement of Calibration Practices
- WEEE Information Sheet
- Warranty Information
- Programmer, Users and Service Manuals (CD-ROM)
- FlukeView Forms – Basic for 8845/8846
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Feel free to contact us: Mobile: 0344 3813810
- CAT III Rating 600v
- Low Pass Filter
- 3 years Warranty
- CAT IV 600, CAT III 1000 V
- iFlex 2500 A AC
- 1000 V AC/DC
- mV DC
- 60 kΩ
- 1000 μF
- 18-inch iFlex flexible current probe – i2500-18
- TL75 test leads
- Coated instruction card
- Safety information sheet
- Soft carrying case
- Two AA Alkaline batteries
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KIMO has designed and manufactured the flow cones as an essential instrument for measuring direct air flows in ventilators and HVAC systems. These instruments can be associated with the hot wire and vane Ø 100 mm anemometers from Class 100, 200 and 300 portable instruments. Many models are available according to the flow, the dimensions of the diffusers and the probe used.
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Range:0-99,999 Inches or Centimeters The Check-Line LM Series Digital Consumption Meters accurately measure the amount of yarn being fed from a textile machine feeder to a take-up device during one or more cycles or rotations of the machine cylinder. LM units are ideal for comparing yarn consumption from feed to feed and machine to machine on circular and flat bed knitting machines, and for other textile processes where yarn length is to be accurately measured Two LM types are offered: Models LMC and LMI manual type, where operator actuates and deactivates the measuring system after one or more operation cycles. (LMC is calibrated for centimeters; LMI is for inches). The consumption per cycle is then determined by dividing the total yarn consumption by the number of cycles or revolutions Models LMC-S and LMI-S magnetic sensor type, where operator pre-sets number of cycles or revolutions (0-99) for the measuring period, eliminating the need to visually count the number of cycles. A small magnet is affixed to the rotating or moving part of the machine while the sensor is mounted on the frame. Each time the magnetic passes the sensor it actuates the instrument’s electronic counter. Operation – LMI-S / LMC-S In “Auto” mode a permanent magnet is mounted to a revolving part of the machine. The sensor supplies the start/stop signal. The predetermined number of revolutions (from 1- 99 rev. set on the rotary switches at the front side) are counted and the comulated yarn consumption is displayed.
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Range:0-99,999 Inches or Centimeters The Check-Line LM Series Digital Consumption Meters accurately measure the amount of yarn being fed from a textile machine feeder to a take-up device during one or more cycles or rotations of the machine cylinder. LM units are ideal for comparing yarn consumption from feed to feed and machine to machine on circular and flat bed knitting machines, and for other textile processes where yarn length is to be accurately measured Two LM types are offered: Models LMC and LMI manual type, where operator actuates and deactivates the measuring system after one or more operation cycles. (LMC is calibrated for centimeters; LMI is for inches). The consumption per cycle is then determined by dividing the total yarn consumption by the number of cycles or revolutions Models LMC-S and LMI-S magnetic sensor type, where operator pre-sets number of cycles or revolutions (0-99) for the measuring period, eliminating the need to visually count the number of cycles. A small magnet is affixed to the rotating or moving part of the machine while the sensor is mounted on the frame. Each time the magnetic passes the sensor it actuates the instrument’s electronic counter. Operation – LMI-S / LMC-S In “Auto” mode a permanent magnet is mounted to a revolving part of the machine. The sensor supplies the start/stop signal. The predetermined number of revolutions (from 1- 99 rev. set on the rotary switches at the front side) are counted and the comulated yarn consumption is displayed.
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Feel free to contact us: Mobile: 0344 3813810 This Milwaukee infrared laser thermometer provides a safe and accurate way to measure surface temperature for a wide variety of applications and features a 12 to 1 distance to spot ratio and a K-Type thermocouple for contact temperature. The instrument is equipped with a slide rail system that enables you to add proprietary accessories and on-board contact measurement jacks help to improve accuracy. The unit is designed with heavy duty ergonomic pistol grip and rugged over-molding for increased durability.
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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.