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Web Tension Sensors Specifications

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Performance Specifications




   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.
   Accuracy
 
     Required accuracy of tension readings.
 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
Dimensional Parameters




   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.
   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.
Tensiometer Configuration




   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.
Shaft Applications




   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.
Web Tension Mounting Options




   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.
User Interface Options




   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.
   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.
   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.
   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.
Display Type




   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.
Output Options




   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.
Features




   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.
   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.
   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.
   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.
   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.
   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.
Environment




   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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