Description
DB-11 – Force Transducer
Product Description
The Magtrol DB-11 Transducer is designed for measuring both static and dynamic forces. Using strain gauge technology, a deformation of the sensing element provides an electrical signal proportional to the force being measured.
Features
- Nominal capacity: 20 N, 30 N, 50 N, 75 N and 100 NAccuracy: 0.5 %
- Strain gauge area double-sealed to IP 67 protection class
- High-strength anodized aluminum alloy measuring spring
- Aluminum alloy protective tube with two nitril-rubber membranes
- Shielded connection cable
- EX approval
Specifications
| MECHANICAL CHARACTERISTICS | |
| Nominal Force | 20 N, 30 N, 50 N, 75 N and 100 N |
| Accuracy Class | 0.5% |
| Overload Limit | 150% (transducer with 20 N nominal load has built-in protection) |
| Overload at Rupture | > 300% (but at least 200 N) |
| Maximum Dynamic Load (double amplitude) |
70% |
| Displacement at Nominal Force | ≈ 0.5 mm |
| Weight | ≈ 0.16 kg |
| ELECTRICAL CHARACTERISTICS | |
| Nominal Sensitivity | max. 2 mV/V ± 5% (according to type) |
| Input Impedence | 350 ± 5 Ω |
| Output Impedence | 350 ± 5 Ω |
| Insulation Resistance | > 5 × 109 Ω |
| Nominal Supply Voltage | 5 V to 10 V |
| Combined Error (nonlinearity + hysteresis) |
0.5% |
| Repeatability | < ± 0.05% |
| ENVIRONMENTAL CHARACTERISTICS | |
| Reference Temperature | +23 °C |
| Operating Temperature | -10 °C to +40 °C |
| Temperature Influence: On Zero | < ± 0.2% / 10 K |
| Temperature Influence: On Sensitivity | < ± 0.7% / 10 K |
| Protection Class | IP 67 (according to DIN 40050) |
| EX Approval | EX II 3 D |
| CONNECTION CABLE | |
| Cable Length | 1.5 m |
Applications
Made entirely of aluminum, the DB-11 Transducer can be used for many low-range force measurements. Manufactured according to EX approval and connected to a signal conditioner, the DB-11 is ideal for weighing and dosing applications in explosive dust atmospheres.
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