Cropico RM8 Decade Resistance

RM8 Resistance Decade

Total Resistance 1.1111111 Megohm, Resolution 0.01 ohm

The model RM8 decade resistance box is designed to complement our range of resistance boxes, offering a very wide range 0.01ohm to 1Megohm in a compact and versatile unit. The low decade steps of 0.01ohm enables very high resolution, when simulating resistance values and the power rating is 1.0 watt per coil.

The RM8 uses double pole switching to minimize the effects of contact resistance. The lower value decades (0.01 and 0.1ohm) are manufactured from manganin resistance wire and the other decades from selected metal film resistors. This offers good stability combined with excellent load and temperature coefficients. Housed in a hardwood case with metal panel the size is only 254 x 145 x 80 mm and the connections are with 4 mm binding posts that will accept spade or banana plugs.

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Key Features

	8 Decades

	Wide Range 0.01ohm to 1Mohm

	Accuracy 0.1%

	Exceptional Value for Money

	Compact Size

	Power Rating 1W / Coil

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Technical Specification

Decade	Accuracy	Max. Current
10 x 100 kohm	± 0.1%	0.003 A
10 x 10 kohm	± 0.1%	0.01 A
10 x 1 kohm	± 0.1%	0.33 A
10 x 100 ohm	± 0.1%	0.1 A
10 x 10 ohm	± 0.5%	0.3 A
10 x 1 ohm	± 1%	1.0 A
10 x 0.1 ohm	± 5%	1.0 A
10 x 0.01 ohm	± 10%	1.0 A

Resistors	Rotary 2 pole in parallel, contacts silver plated brass with positive click mechanism. Insulation > 50,000 Megohm
Switches	Insulated will accept 4 mm banana plugs and spade tags.
Residual Resistance	<0.1 ohm
Terminals	2 binding posts will accept 4 mm banana plugs and spade tags. 1 terminal for connection to panel/earth.
Test Voltage	1kV dc between terminals and panel.
Size	254 x 145 x 80 mm
Weight	2.1 lbs. (0.95 kg)

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