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  4. Donut ring force sensors
  5. ALF209 Donut Ring Force Sensor

ALF209 Donut Ring Force Sensor

Ideally suited to engineering force measurements where overall height is restricted

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Technical Specifications

Specification Value
Bridge resistance 350 Ω
Creep - 20 minutes ±0.1% AL
Excitation voltage - maximum 10V
Excitation voltage - recommended 10V
Force direction Compression
Hysteresis ±1.0% RL
Insulation resistance - minimum at 50vdc 500 MΩ
Measurement range 1MN, 2MN, 4MN
Non-linearity - terminal ±1.0% RL
Overload - safe 50% RL
Overload - ultimate 400% RL
Rated output - nominal 1.2mV/V
Rated output - rationalised (1000 and 2000kn) 1.0mV/V
Rationalisation tolerance ±0.5% RL
Repeatability ±0.02% RL
Sealing IP65
Temperature effect on rated output per °c ±0.005% AL
Temperature effect on zero load output per °c ±0.03% RL
Temperature range - compensated -10 to +50°C
Temperature range - safe -10 to +80°C
Weight - nominal (excluding cable) 7 to 9kg
Zero load output ±4% RL

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