Help with Web Tension Sensors specifications:
Performance Specifications
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| Tension Range | Minimum and maximum values of tension required to be measured. | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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| Accuracy | Required accuracy of tension readings. | ||
| Search Logic: | All matching products will have a value less than or equal to the specified value. | ||
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Environment
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| Operating Temperature | Full range of required operating temperature. | ||
| Search Logic: | User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria. | ||
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Dimensional Parameters
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| Roll Diameter Range | This is the rated size range for the roll for which the tension sensor will be used. | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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| Diameter/Width to be Measured | Minimum and maximum dimensions are for diameter (cable) or width (web or belt). | ||
| Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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Tensiometer Configuration
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| Tensiometer Configuration | |||
| Your choices are... | |||
| Single Roller | Cable or sheet wraps around one roller only. | ||
| Multiple Roller | Cable or sheet wraps around multiple rollers. | ||
| Sensor pair | Device consists of a pair of sensors to be located on either side of roller/roll (e.g. may require idler roll). | ||
| Roller with Integrated Sensor | Device is placed into web process as a roller (typically supported at both ends). | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Shaft Applications
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| Shaft Applications | |||
| Your choices are... | |||
| "Live" Shaft Applications | Senses tension on actuated or powered roll. | ||
| "Dead" Shaft Applications | Senses tension on "non-powered" or idle roll. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Web Tension Mounting Options
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| Web Tension Mounting Options | |||
| Your choices are... | |||
| Pillow block or pillow block base | Roller sits between two pillow blocks (with or without bearing). | ||
| Cantilevered Bracket | Sensor is bracket mounted or base mounted without pillow block. | ||
| Flanged Roll End | Sensor(s) secure to roller via flange (e.g. empty shell). | ||
| Screw/Bolt-on Roll End | Sensors are secured via clamp or expanding ring that is tightened via screws or bolts to roller end. | ||
| Through-hole or Stud Mount | Sensor is threaded to fit into hole or mounted via stud. | ||
| Other Web Tension Mounting Option | Specialized or unlisted mounting style. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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User Interface Options
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| Local Interface | |||
| Your choices are... | |||
| Analog Front Panel | Has analog user inputs such as potentiometers, dials, switches, etc. | ||
| Digital Front Panel | Setup or program through the front panel using digital keypad, menus, etc. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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| Computer Interface? | Can be controlled or monitored remotely with a computer via interface. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Interface Options | |||
| Your choices are... | |||
| Serial Interface | Serial communication protocol such as RS-232, RS-485, USB. | ||
| Parallel Interface | Parallel communication protocol such as GPIB / IEEE-488 / HPIB Protocol. | ||
| Other Computer Interface | Special requirements such as modem, RF transmitter, etc. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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| Application Software Included? | For control or for monitoring meter. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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Display Type
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| Display Type | |||
| Your choices are... | |||
| None (No Display) | Option for integral sensors or meters whose output goes to a separate instrument for display. | ||
| Analog Meter or Indicator | Includes needle meters, LED indicators, etc. | ||
| Digital Readouts | Numerical or application-specific readouts. | ||
| Video Display Terminal | Generic video display terminal, e.g. CRT, flat panel displays, etc. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Output Options
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| Output Options | |||
| Your choices are... | |||
| Analog voltage signal | Output voltage varies with sensed tension, e.g. 0 - 10V. | ||
| Analog current signal (i.e., 4-20 mA) | "Transmitter" Option; current output varies with tension. | ||
| Frequency or Modulated Frequency | Frequency or modulated frequency output (e.g. sine wave, pulse train, AM, FM). | ||
| Switch or alarm signal | Output is a switched signal or contains an alarm signal at a certain threshold. | ||
| Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Features
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| For use in hazardous applications? | Device is rated to be used in hazardous environments, may also be intrinsically safe. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Built in alarm indicator? | Built in audible, visual etc. alarm. Not just a switch or relay closure. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Controller Functions? | Has/takes sensor input, provides control function (Limits, PID, logic etc.) and outputs a control signal. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Pushbutton system calibration? | Zeros out tension for non-loaded roll to account for change in roller weight. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Temperature Compensated? | Devices whose error due to temperature drift is compensated. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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| Data Storage? | Integral or on-board reading storage capability. | ||
| Search Logic: | "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. | ||
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