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DFG55
High Accuracy Digital Force Gauge
- High Speed 7000 Hz Sample Rate
- 5 Selectable Units of Measurement
- USB, RS232, Mitutoyo, and Analog Outputs Standard
- Large Backlit Graphic Display with Bar Graph
Product Overview
- Accuracy ± 0.1 %
- Accuracy Class 0.1% to 0.25%
- Accuracy Detail ± 0.1% of full scale ± 1 digit
- Analog Output Voltage
- Battery Size and Type NiMh
- Baud Rate 115200
- Configuration USB/RS232 Output: Configurable up to 115,200 baud; includes Gauge Control Language 2 for full computer control
- Data Interface USB, RS232
- Display Measuring Units gF, kgF, kN, lbF, mN, N, ozF
- Display Type LCD
- Force Type Compression, Tension
- Height 5.88 in
- Length 1.32 in
- Load Cell Type Handheld Single Ended
- Number of Digits 5
- Safe Overload 150% FS
- Series ID DFG55
- Supply Power Note 8.4V NiMH Rechargeable Battery or By an AC Adapter (Batteries and Adaptor Included)
- Supply Power Type AC, Battery
- Width 2.53 in
Supported Applications
The Omega DFG55 High Accuracy Digital Force Gauge is designed for tension and compression force testing applications. The series serves as an essential component of a force testing system, typically comprising a test stand, grips, and data collection software. It supports pass-fail testing via integrated set points with indicators that can trigger external devices such as alarms, relays, or test stands.
Operating Conditions & Performance
The DFG55 series covers measurement ranges from 0.12 to 500 lb (0.5 N to 2,500 N) full scale. Accuracy is specified as ±0.1% of full scale ±1 digit with a resolution of 1/5000. The gauges feature an industry-leading sampling rate of 7000 Hz for accurate results in quick-action tests.
Power is supplied by AC or an included NiMH rechargeable battery, providing up to 7 hours continuous operation with the back-light on and up to 24 hours with the back-light off. The series includes overload protection to 150% of capacity; the display shows "OVLD" at 110% and above.
Physical dimensions are 149.4 H x 64.3 W x 33.6 mm D (5.88 x 2.53 x 1.32"). Weight varies by range: 0.45 kg (1.0 lb) for ranges of 100 lb or less, and 0.54 kg (1.2 lb) for 200 lb and up.
Configuration Options
The series offers configurable output signals including USB, RS232, Mitutoyo (Digimatic), and Analog Outputs. The analog output is ±1 Vdc with an accuracy of ±0.25% FS. USB/RS232 outputs are configurable up to 115,200 baud and include Gauge Control Language 2 for full computer control.
On-board data memory stores up to 1000 readings and includes statistical calculations. Integrated set points utilize three open drain lines. A large, backlit graphics LCD displays characters and an analog load bar for graphical representation of applied force.
Included Accessories
- Carrying case (Part No. 12-1049)
- AC adapter body with US, EU, or UK prong (Part No. 08-1022)
- Battery (inside the gauge) (Part No. 08-1026)
- Extension rod (G1024/G1031), Cone (G1026/G1033), Chisel (G1025/G1032), V-groove (G1027/G1034), Flat (G1029/G1036)
- Hook and Coupling accessories vary by capacity range
- Certificate of calibration, USB cable (Part No. 09-1165), and Resource CD with drivers
Key Product Differences
The DFG55 series is ordered using the model number guide DFG55-<RANGE>, where capacity options include 0.12, 0.25, 0.5, 2, 5, 10, 20, 50, 100, 200, and 500 lb (or equivalent N). Measurement units available depend on the model: lbf, ozF, gF, kgF, N, kN, or mN.
AC adapter plug styles are configured via suffixes added to the model number at no extra charge. Add "-E" for a European style plug and "-U" for a UK style plug; models without a suffix include a US style plug (e.g., DFG55-20, DFG55-100-U).
Full scale deflection is 0.25 mm (0.01") except for the DFG55-0.12 model, which has a full scale deflection of 0.13 mm (0.05"). The series carries CE approval and NIST Standard certification.
