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Home Electrical, EV & Electronic Electronic Component Instruments Decade Boxes

Cropico 005-B Decade Resistance Box -5 Decade, 1112.10 Ohms Resistance

Seaward Cropico 005-B Decade Resistance Box

5 decades
High accuracy of 0.01%
Suitable for Pt100 and transducer simulation

SKU

005-B

MPN

930164

View All Decade Boxes

Description Technical Info Reviews

Ideal for engineering departments, laboratories/workshops and calibration houses, the Seaward Cropico 005-B is a 5 decade, high accuracy and wide range decade box.

With extremely high accuracy of 0.01% and suitable for Pt100 simulation, the Cropico 005-B has gold-plated contacts to ensure low contact resistance and low thermal EMF.

This decade box is designed for long term stability <20ppm/year.

Seaward Cropico 005-B Decade Box Key Features

High accuracy (0.01%) decade box
5 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

£1,485.00

£1,782.00 inc vat

Free Delivery*

1485 Reward Points 60 Days Return

Technical Information

Specification

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)