Table of Contents
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Table of Contents
Summary of Contents for Nextech DFS Series
- Page 1 DFS Series User’s Manual (5N-1000N Capacity) REV 3.8...
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Page 2: Table Of Contents
Mounting to a Test Stand…………………………………… Powering up………………………………………………………… 7 Basic Functions…………………………………………………… Main Menu…………………………………………………………… 11 AUTO-OFF………………………………………………… 11 PASS-FAIL………………………………………………… 12 MEMORY…………………………………………………… 14 CALIBRATION…………………………………………… 15 DIAGNOSTIC…………………………………………… SELECT OUTPUT……………………………………… ABOUT……………………………………………………… 16 Measurement Practice………………………………………… 17 DFS Specifications……….………………………………………………… Conversion Factor…………………………………………………………… 19 DFS series User’s Manual REV 3.8 November 2016... -
Page 3: Introduction
Introduction Thank you for choosing the Nextech DFS series instrument. With correct use and regular re-calibration it can give many years of accurate and reliable service. The DFS can measure tensile and compressive forces accurately, while being simple to use by the operator. It may be used handheld or mounted to a fixture or test stand. -
Page 4: Operation Overview
Operation Overview The Nextech DFS has been designed to give the user easy access to its most commonly used features. Listed below is a brief overview of some of these features, and their corresponding key-presses located on the front panel. If desired, this page can be printed out as a “Quick Reference Guide”. -
Page 5: Powering The Dfs
When plug in the charger, after few minutes the battery level will show battery capacity full. Actual remaining battery capacity can be view only when charger is not connected. *Important: Only use the adaptor/charger supplied. DFS series User’s Manual REV 3.8 November 2016... -
Page 6: Using The Dfs
An optional versatile mounting plate is available to couple the force gauge to many brands of test stands. Figure 1 DFS control panel DFS series User’s Manual REV 3.8 November 2016... -
Page 7: Powering Up
Compressive forces are displayed on the DFS and recognized by the symbol Display of Tension/Compression Notice the Tension For tension symbol following testing the Load the force reading. Indicator Bar registers right to left. DFS series User’s Manual REV 3.8 November 2016... - Page 8 Track, Peak-Tension, and Peak-Compression, To cycle through the available mode, press the MODE key. Each successive key press will select the next available mode until the gauge returns to its original setting. DFS series User’s Manual REV 3.8 November 2016...
- Page 9 The display will now show the maximum compressive force that has been applied to the sensor. See Figure 3c Peak Compression symbol at top left. Figure 3c Peak Compression DFS series User’s Manual REV 3.8 November 2016...
- Page 10 Send peak compression value from unit, if current mode is peak compression mode. “d” Send memory “!” Send information of gauge (model, capacity, serial number, firmware revision, original offset, current offset, overload count). DFS series User’s Manual REV 3.8 November 2016...
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Page 11: Main Menu
OFF. 5. Press the ESC key to return to the Main Menu page. AUTO-OFF MENU 1) OFF 2) 5 MINUTE 3) 10 MINUTE 4) 15 MINUTE Figure 5 Auto-Off Menu DFS series User’s Manual REV 3.8 November 2016... -
Page 12: Pass-Fail
Clear both value. Figure 6 Pass-Fail Menu *The Pass-Fail feature will automatically be disabled if you set LOWER and UPPER = 0 N. *The LOWER value must be less than the UPPER. DFS series User’s Manual REV 3.8 November 2016... - Page 13 LOWER LEVEL = 2 lbf, UPPER LEVEL = 0 lbf. Load The “OK” LED will ON. Another LED OFF. Lower level The “LOWER” LED will ON. Another LED OFF. Time Figure 6b DFS series User’s Manual REV 3.8 November 2016...
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Page 14: Memory
If you select DELETE ALL and press the ENTER key, the gauge will delete ALL saved records and return to memory page. 8. Press the ESC key to return to Main Menu page. DFS series User’s Manual REV 3.8 November 2016... -
Page 15: Calibration
5. Press THE ESC to return to Main Menu. DIAGNOSTIC Total of overload Offset of last calibrate. count. OVERLOAD COUNT: 2 ORG. OFFSET : +0.4 % Current offset. CUR. OFFSET : +0.4 % Figure 8 Diagnostic Menu DFS series User’s Manual REV 3.8 November 2016... -
Page 16: Select Output
7) ABOUT This page shows information relevant to your gauge (Firmware revision, Model type, Gross maximum capacity, and Serial number). ABOUT FIRMWARE REV. : 3.0 MODEL: CAPACITY: 100 N S/N: 05130001 Figure 10 About Menu DFS series User’s Manual REV 3.8 November 2016... -
Page 17: Measurement Practice
For best performance and safety, use gauge with charged battery. Battery may degrade over time and result in reduce charged capacity. It is recommended that battery be replaced with genuine Nextech NiMH battery after few years in use or when re-calibration is performed. Battery NiMH type are safe and does not result in overheat when use with correct charger. -
Page 18: Dfs Specifications
± 0.04 % of full-scale/ºC Output RS-232/USB: 8 data bits, 1 Start bit, 1 Stop bit, no parity Baud rate: 38400 Peak Capture Rate : 0.100 S ADC Sampling Rate : 4,000 Hz DFS series User’s Manual REV 3.8 November 2016... -
Page 19: Conversion Factor
224.81e-3 1000 101.97e3 101.97 3597 224.81 9.807 9.807e-3 9.807e-6 0.001 35.28e-3 2.205e-3 Kg-f 9807 9.807 9.807e-3 1000 35.28 2.205 oz-f 278.01 0.27801 278.01e-6 28.345 28.345e-3 0.0625 lb-f 4448.2 4.4482 4.4482e-3 453.5 0.4535 DFS series User’s Manual REV 3.8 November 2016... - Page 20 NEXTECH GLOBAL CO.,LTD. www.forcetorque.com DFS series User’s Manual REV 3.8 November 2016...
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