|  | Radial force measuring axle RMA
Web tension measurement - precise and online | |
 | | | • for internally mounted idler rolls without axle
• compact flange design
• even for high line speeds
• direct radial force transfer
• all-purpose, compact and robust
• available in 5 rated load ranges:
0 to 200N ... 0 to 2000N |
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| Description | |
RMA sensors are used for direct tension measurement in moving webs of paper, films, foils, textiles or metals. The bearing journal supports rolls with internal mounting. Measurement of the web tension is effected by registering at both sides the radial bearing forces on a web guiding roll.
Defined and setpoint controlled web tension ensures high product quality and is the basis for a minimum of machine down-times.
The compact RMA sensors in connection with a web guiding roll fulfill 3 functions at once:
• measurement of tension in the web
• bearing of the roll
• guiding and deflecting the product web
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| Special features | |
• compact design
• direct, radial force transfer
• easy installation thanks to flange mounting
• high spring constants for the sensor permit high rotation speed ratings
for the deflector roll
• high precision and excellent long-term stability |
| Special designs | |
|
• nominal forces differing from standard
• sensor housing and measuring cell made out of stainless steel, for use in humid environment
• advanced temperature range |
| Measuring amplifiers | |
to product page | | TS 621
• for strain gauge sensors
• optional outputs
• 24V DC power supply
• galvanic isolation
|
| | 
to product page | | TS 481
• for strain gauge sensors
• 19” or mounting plate
• 3 parallel outputs
• 115 / 230V AC power supply |
| 
to product page | | TS 503
• for strain gauge sensors
• low cost
• only 12,5mm wide
• 24V DC power supply
|
| | 
to product page | | MU 481-19" DigaLog
• for strain gauge sensors
• 1-channel meas. amplifier
• digital / analog displays
• rugged desktop housing
|
|
| Recommended periphery | |
to product page | | DPM 502
• LED-display, 3½-digit
• freely scalable
• front-side operation
• 24V DC power supply |
| | |
| Installation accessories | |
to product page | | Sensor cable strain gauge
angled female/open ends
• gold-plated contacts
• cable length custom-specific |
| | 
to product page | | Sensor cable strain gauge
angled female/male
• gold-plated contacts
• cable length custom-specific |
| 
to product page | | Sensor cable strain gauge
female/open ends
• gold-plated contacts
• cable length custom-specific |
| | 
to product page | | Sensor cable strain gauge
female/male
• gold-plated contacts
• cable length custom-specific |
| 
to product page | | Connection terminal 2/1
• aluminium diecast housing
• Skintop cable gland
• gold-plated contacts
• 2 sensors / 1 amplifier |
| | |
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