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Martindale TEK903 Decade Resistance Box
With a 1% accuracy, the TEK 903 is ideal for laboratory, education and calibration applications.
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The Martindale TEK903 decade resistance box, features 6 decades ranging from 10Ω to 11.1111MΩ, and high quality rotary switches. Extra terminals also form an accurate potential divider.
Use as a Decade Resistance
To use the TEK903 or TEK904 as a variable decade resistance box make the required connections to the RED terminals.
Use as a Divider
Connect the voltage to be divided between the BLACK terminal and the OUTER RED terminal. The divided voltage will be present between the BLACK terminal and the CENTRE RED terminal. The ratio of the division will be dependent upon the decade settings.
|Resistance||1% grade 0.6 W per resistor variable from 10 Ω to 11.1111 MΩ in 6 decades.|
|Typical Residual (Zero) Resistance||<150 mΩ.|
|Operating Environment||0 to 50°C at <70% RH.|
|Dimensions||345 x 71 x 51 mm.|
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