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Summary of Contents for Schmidt RTM-400
- Page 1 S C H M I D T c o n t r o l i n s t r u m e n t s Edition Trum 01.5.E Model RTM-400 Instruction Manual Valid as of: 01.03.2012 • Please keep the manual for future reference!
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Page 2: Table Of Contents
Contents 1 Warranty and Liability ....................3 1.1 Notices within the Operating Instructions ............... 3 1.2 Responsibilities of the Operating Company ............3 1.3 Responsibilities of the Personnel ................3 1.4 Informal Safety Measures ..................4 1.5 Training of the Personnel ..................4 1.6 Intended Use ...................... -
Page 3: Warranty And Liability
1 Warranty and Liability In principle, the supply of the device is subject to our “General Conditions of Sale and Delivery.” These have been provided to the operating company on conclusion of the contract, at the latest. Warranty: - Trummeter belt tension meters are warranted for 12 months. Parts subject to wear, electronic components and measuring springs are not covered by the warranty. -
Page 4: Informal Safety Measures
The device is intended exclusively to be used as a belt tension meter. Any other use or any use exceeding this intention will be regarded as misuse. Under no circumstances shall HANS SCHMIDT & Co GmbH be held liable for damage resulting from misuse. -
Page 5: General Information
General Information 2.1 Specifications Measuring Range 10 - 800 Hz Display of readings up to 800 Hz Input Range Free Strand Length Up to 9.99 m Belt Mass Up to 9.999 kg/m Digital Sampling Error < 1% Indication Error ± 1 Hz Total Error <... -
Page 6: Initial Setup And Operating Procedure
Initial Setup and Operating Procedure Notes Before Starting Measurement Have you read and understood the Operating Instructions, in particular Chapter 1 “Basic Safety Notices”? You are not permitted to operate the device before doing so. Attention! The belt tension can be measured only when the drive has been SHUT DOWN and is STATIONARY. -
Page 7: Operating Elements
3.3 Operating Elements DISPLAY Displays measured and calculated values in: German, English, Italian, French, Spanish, Portuguese, Swedish, Norwegian, Danish, Finnish Measuring probe Measures the natural frequency of the taut, free belt with the aid of pulsed light STRAND LENGTH ENTER BELT MASS ON / OFF ARROW UP... -
Page 8: Menu Structure
3.4 Menu Structure Default settings: Display: (no weight or length settings required) Language: German Unit of measure: International (SI) Display of “software version” display „process busy“ when measurement successful Measurement “LOW-BAT” display mode” when battery voltage < 8 V Enter Kg/m Length Set strand... -
Page 9: Measuring The Strand Force
Measuring the Strand Force 3.5.1 Measuring the Belt Frequency in Hertz The belt tension can be measured only when the drive has been shut down and is sta- tionary. The fitted and taut drive belt is tapped in order to make it oscillate with its natural oscillation. -
Page 10: Calculating The Strand Force In N / Lbf
3.5.2 Calculating the Strand Force in N / Lbf To calculate the strand force, enter the belt mass and belt length with the membrane keypad as described in Chapter 3.4. The strand force calculated is compared with the set point value defined when the drive was designed. The belt tension meter calculates the strand force using the formula: Where: F = 4... -
Page 11: Measurement Errors
3.5.3 Measurement Errors If no measurement results are displayed despite careful preparations, this may be due to one of the following two reasons: 1. The drive belt oscillates below the minimum measurement limit of 10 Hz. Remedy Tighten the belt or, if the strand length is very long and open, support the belt in order to shorten the strand length. -
Page 12: Service And Maintenance
6 Correspondence Should you have any questions regarding the instrument or Operating Instructions, Service address: or their use, please indicate above all the HANS SCHMIDT & Co GmbH following details which are given on the ID Schichtstr. 16 plate: D-84478 Waldkraiburg...
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