Cropico 00 Series

High accuracy decade boxes with versatile wide ohm range

A versatile range of resistance decade boxes available in 5, 6 & 8 decades. High accuracy and wide range 0.001Ω to 11 MΩ are combined in a compact lightweight metal case.

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Cropico 00 Series

005/6/8 High Accuracy Resistance Decade Boxes / 5, 6 & 8 Decades + Special Models for Pt100 Simulation.

A versatile range of resistance decade boxes available in 5, 6 & 8 decades. High Accuracy and wide range 0.001ohm to 11Megohms are combined in a compact lightweight case. The switches have gold plated contacts to ensure a low contact resistance and negligible thermal emf. Some resistance decade box models are particularly suited to Pt100 simulation with resolution as low as 0.001ohm (0.0025°C). High Accuracy Resistance Decade Boxes / 5, 6 & 8 Decades.

The switches have gold plated contacts to ensure a low contact resistance and negligible thermal E.M.F.

Some models employ the Waidner Wolf technique to eliminate any errors due to switch contact resistance and are particularly suited to Pt100 simulation with resolution as low as 0.001Ω (»0.0025°C).

Technical Specifications

008		006			005	Decade	Accuracy	Current Max mA
B	A	C	B	A	B	Decade	Accuracy	Current Max mA
	✔			✔		10 x 0.001Ω	±2%	2000
✔	✔		✔	✔	✔	10 x 0.01Ω	±1%	2000
✔	✔	✔	✔	✔	✔	10 x 0.1Ω	±0.5%	2000
✔	✔	✔	✔	✔	✔	10 x 1Ω	±0.2%	600
✔	✔	✔	✔	✔	✔	10 x 10Ω	±0.01%	200
✔	✔	✔	✔	✔	✔	10 x 100Ω	±0.01%	60
✔	✔	✔	✔			10 x 1kΩ	±0.01%	20
✔	✔	✔				10 x 10kΩ	±0.01%	6
✔						10 x 100kΩ	±0.01%	2
						10 x 1MΩ	±0.01%	0.6

Model	No. Decades	Total Resistance	Resolution	Suitable for Pt100 Simulation	Resolution °C when Simulating Pt100	Residual Resistance	Part Numbers
005-B	5	1,112.10Ω	0.01	✔	0.025	1Ω	930164
006-A	6	1,112.11Ω	0.001	✔	0.0025	1Ω	930165
006-B	6	11,112.10Ω	0.01	✔	0.025	1Ω	930166
006-C	6	111,111Ω	0.1			0.07Ω	930167
008-A	8	111,112.11Ω	0.001	✔	0.0025	1Ω	930168
008-B	8	1,111,112.1Ω	0.01	✔	0.025	1Ω	930169