Seaward Cropico CM5N 5 Decade Box

The Seaward CM5N is a five decade capacitance box to complement the RM6-N range of resistance decades.
Styled in the same ergonomic desk case, the CM5-N decade resistance box is a useful addition to any laboratory, as well as for industrial and educational use.
The required capacitance is set by means of rotary switches with skirted knobs and stators giving a clear indication of the dial setting.
The capacitors are a combination of polycarbonate and polystyrene, generously rated minimum 160 V dc with a good dissipation factor and high insulation.
A useful feature of this unit is the residual capacitance being compensated for on the 10 x 100 pF and 10 x 1 nF dials so that the actual value of the dial setting appears at the terminals.

Features:

• Number of Decades: 5
• Capacitance Range: 100 pF to 11.111 μF
• Residual capacitance: 35 pF at zero setting
• Residual capacitance Accuracy: 5%
• Max Continuous Working voltage: 70 Vdc / 33 vrms
• Switch Insulation: 50,000 Mohms
• Switch Contact Resistance: 10 mW

• (1) Instruction Manual

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Instruction manual

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