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IET Labs RS-200 Resistance Substituter $188.00$178.60

AEMC Instruments BR07 Resistance Decade Box Model BR07 (x1 Ohm, x10 Ohm, x100 Ohm, x1k Ohm, x10k Ohm, x100k Ohm, ... $275.00$261.25

Extech 380400 Resistance Substitution Box $121.99$108.64

IET Labs RS-201W Wide Range Precision Resistance Substituter $585.00$555.75

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Decade Boxes

A Decade Box houses several precision resistors (ohms), capacitors (F), or coils (H) organized in decades of ten (ex. 10, 100, 1000, etc.). Decade boxes are used to check and calibrate test equipment.
 
decade-box
Considerations when purchasing a Decade Box
  • Know the minimum accuracy required
  • Know the range
  • Know the power or current to be used for measurement
  • Is it for simulating a PT100 RTD temperature probe?
  • Know the application or instrument being calibrated
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