Seaward Cropico 008 Decade Box

High accuracy, high performance 8 decade box ideal for use in engineering departments, laboratories/workshops etc.

The Seaward Cropico 008 has wide range from 0.001 to 11MΩ with everything containied in a compact, lightweight metal case. The switches of the 008 are gold plated to ensure low contact resistance with negligible thermal E.M.F.

Seaward Cropico 008 Decade Box Key Features

High accuracy (0.01%) decade box
8 decades
Suitable for Pt100 and transducer simulation
Long term stability <20ppm/year
Low temperature coefficient <3ppm/°C
Gold-plated switch contacts and solid copper input terminals
Negligible thermal EMFs
Lightweight and small size

Tech Specs

Seaward Cropico 00 Series Technical Specifications

The following tables show the difference between each model in the Cropico 00 series.

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	Number of Decades	Total Resistance	Resolution	Suitable for Pt100 Simulation	Resolution (°C) When Simulating Pt100	Residual Resistance
005-B	5	1,112.10Ω	0.01	√	0.025	1Ω
006-A	6	1,112.11Ω	0.001	√	0.0025	1Ω
006-B	6	11,112.10Ω	0.01	√	0.025	1Ω
006-C	6	111,111Ω	0.1	-	-	0.07Ω
008-A	8	111,112.11Ω	0.001	√	0.0025	1Ω
008-B	8	1,111,112.1Ω	0.01	√	0.025	1Ω
Other Specifications
Switches	Contact material gold-plated brass Contact resistance <5mΩ Insulation resistance (all paths>10GΩ)
Resistors Temperature Co-Efficient	±3ppm/+20°C +85°C ±5ppm maximum over -55°C to +125°C 0.1, 0.01 and 0.001 dials 10ppm/°C
Full Load Stability	±25ppm/10,000 hours ±35ppm/26,000 hours
Weight	005: 0.5kg/1lbs 006: 0.6kg/1lbs 008: 0.8kg/2lbs
Size	350 x 100 x 80mm (w x h x d) approx
Over Full Temperature Range	-50 to +125°C
Power Rating	0.33W (+85°C) 0.25W (+110°C)
Maximum Continuous Working Voltage	70V DC/33V rms
Noise	Essentially non-measurable
Thermal E.M.F	<0.4μV typical, <15μV/°C maximum
Windings	Exclusive 'air cushioned' technique provides virtually stressless elements for improved performance. Non-inductively wound. Direction of winding reverse at half turns point
Warranty	1 year (subject to product registration with Seaward)

Downloads

Seaward Cropico 008 Decade Box - Datasheet Datasheets

SKU	CROPICO-008
Manufacturer Part Code	930168

Seaward Cropico 008 Decade Box - 8 Decades

Seaward Cropico 008 Decade Box Key Features

Seaward Cropico 00 Series Technical Specifications