The DFC may be used as a high-accuracy handheld force gage or as a digital controller for use with the FMM Digital Force Testers.
DFC DIGITAL FORCE CONTROLLER
Metrology Solutions
The DFC may be used as a high-accuracy handheld force gage or as a digital controller for use with the FMM Digital Force Testers. As a controller, the DFC Series serves as the universal interface to your digital force tester. Set up your tests and configure load limits, distance limits, break limits, crosshead travel direction, crosshead speed and more all through the gage. The DFC features a measurement accuracy of 0.1% full scale with internal data sampling at 25kHz. Display resolution is 10,000:1. The DFC features Bluetooth ® , USB and RS-232 communications plus digital I/O. Save up to 99 test results in internal memory. View historical and statistical results. The DFC features a high-resolution 320 x 240 pixel color display with an adjustable backlight. The instrument is powered using a lithium ion battery. The gage is charged using the standard USB cable supplied. Information can be displayed in multiple languages: English, Deutsch, Portugues, Spanish, French, Italian, Chinese and more. The DFC is supplied with a full set of testing adapters, USB cable and a NIST-traceable certificate of calibration. The DFC has a standard 3-year warranty.
Specification
DFC
Accuracy, Full Scale Data Sampling (Hz) Display Resolution
0.10% 25,000
10,000:1
Safe Overload, Full Scale
200%
Maximum Tare
10%
Communications Bluetooth ®
Yes Yes Yes
USB 2.0 RS-232
Digital I/O
2 channels
Memory, saved results max.
99
Operating Mode Machine Control1
Yes Yes Yes Yes Yes Yes Yes Yes
Real Time
Peak Compression
Peak Tension Load Limit Break Limit Load Average
Load-Time Average Cyclic Count, Max. Cyclic Duration, Max. Hold Duration, Max. Coefficient of Friction Power, Environmental Battery Type
99,999 27 Hrs. 27 Hrs.
Yes
Lithium Ion >30 hours <3 hours 320 x 240
Battery Life, @ 20% brightness Charge Time, using 110/240V
Display (OLED)
DFC Controller on the FMM Digital Force Tester
Operating Temperature
40°F to 110°F (4°C to 43°C)
Thread, for adapters (Metric) Instrument Weight (approx.)
M6, M10
3 lbs (1.36 kgs)
CE Compliance EN61010-1 Safety for Electrical Equipment EN61000-6-3 EMC Generic Emissions EN61000-6-1 EMC Generic Immunity NOTES Machine control is exclusive to the DFC. When connected to the FMM Digital Force Tester, configuration of force gage and tester is performed through the gage.
Bulletin 1822
starrett .com
DFC DIGITAL FORCE CONTROLLER
Metrology Solutions
FOR ADVANCED AND BASIC TESTING APPLICATIONS The DFC Digital Force Gage can be used as a handheld instrument for basic applications or as a force sensor when used with a FMM Digital Force Tester, MTL and MTH Manual Tester. Listed are the various test methods that can be performed: • Limit Testing - Use load, distance or a break condition and report results at the limit including maximum load and distance at maximum load. • Load Average Testing - The load average test measures the load from the start and end of a test sequence. • Time Average Testing - Set a time duration for a test. When load is measured at the start of the test, the test concludes at the end of the time duration. Average load is measured. • Cyclic Count Testing - Define the number of cycles, up to 99,999 to be completed. • Cyclic Duration Testing - Define the duration of cycles, up to 27 hours to be completed. • Constant Hold Testing - Hold at a distance or load for creep and relaxation results. The maximum duration is 27 hours.
DFC - Advanced Force Controller
Load Capacity
Full Scale Deflection Thread
Accessory
Model
N KGF LBF OZF GF in
mm mm
Kit
DFC-2 10 1 DFC-5 25 2 DFC-10 50 5
2 5
32 900 0.013 0.33 80 2200 0.007 0.18
M6 x 1-6H M6 x 1-6H M6 x 1-6H M6 x 1-6H M6 x 1-6H M6 x 1-6H M6 x 1-6H
SPK-FG-A SPK-FG-A SPK-FG-S SPK-FG-S SPK-FG-S SPK-FG-S SPK-FG-M
10 160 5000 0.006 0.15
DFC-20 100 10 20 320 9000 0.008 0.20 DFC-50 250 25 50 800 23,000 0.015 0.39 DFC-100 500 50 110 1600 45,000 0.024 0.60
DFC-200 1000 100 225 - DFC-500 2500 250 550 -
- -
0.021 0.54 0.028 0.70
M10 x 1.5-5H SPK-FG-L
NOTES Load measurement accuracy is ±0.1% of load cell capacity. Display resolution is 10,000:1.
Bulletin 1822
08/17 PDF specifications subject to change.
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