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Seaward 005-B Resistance Decade Box Cropico

Name: Seaward 005-B Resistance Decade Box Cropico
Brand: Seaward
SKU: Seaward005-B
Price: 1500.00 USD
Availability: InStock

0 reviews | Catalog: 930164 | Model: Seaward 005-B

Seaward Cropico Resistance Box 006-A - Representation of entire series - Actual model may differ

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005-B Resistor Decade Box

High accuracy 0.01% and high performance
Suitable for Pt100 and tranducer simulation
5, 6 and 8 Decades
Long term stability ± 20ppm/year
Low temperature co-efficient ± 3ppm/°C to + 85 °C
Gold-plated switch contacts and solid copper input terminals
Negligible thermal E.M.F.'s
Light weight / small size
With certificate of conformity
In-house test figures optional

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Product	Seaward 005-B 005-B Resistor Decade Box	Seaward 006-C 006-C Resistor Decade Box	Seaward 008-A 008-A Resistor Decade Box	Seaward 006-A 006-A Resistor Decade Box	Seaward 006-B 006-B Resistor Decade Box	Seaward 008-B 008-B Resistor Decade Box
Price
In Stock	Available to Order Check Lead Time	Available to Order Check Lead Time	Available to Order Check Lead Time	Available to Order Check Lead Time	Available to Order Check Lead Time	Available to Order Check Lead Time
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Seaward 005-B Resistance Decade Box Cropico

Suitable for Pt100 and tranducer simulation
5, 6 and 8 Decades
Long term stability ± 20ppm/year
Low temperature co-efficient ± 3ppm/°C to + 85 °C

A versatile range of Series decade resistance boxes available in 5, 6 8 & 10 decades.

High Accuracy and wide ranging from 0.001 ohm to 11 Mega ohm, in a compact lightweight metal case.

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 the errors switch contact resistance and are particularly suited to Pt100 simulation with resolution as low as 0.001 ohm (» 0.0025°C).

Seaward Cropico Resistance Box Series
Calibration		Calibration certificates including UKAS traceable are available on request
Switches		Contact material gold plated brass Contact resistance = 5 milli ohm Insulation Resistance (all paths = 10 giga ohm ) Proof voltage 1kV
Resistors
Temperature Co-efficient:		±3ppm / +20°C to + 85°C ±5ppm maximum over –55°C to +125°C 0.1, 0.01, & 0.001 dials 10ppm/°C
Full Load Stability:		±35ppm/10,000 hours ±50ppm/26,000 hours
No Load Stability:		±25ppm/10,000 hours ±35ppm/26,000 hours
Over full temperature range:		-50°C to +125°C
Power Rating:		0.33 watt (+85°C) 0.25 watt (+110°C)
Maximum Continuous Working Voltage:		Up to 250 V dc
Noise:		Essentially non-measurable <1.5 mV/°C
Thermal E.M.F:		<0.4mV/°C typical
Encapsulation:		Moulded epoxy
Windings:		Exclusive 'air cushioned' technique provides virtually stressless elements for improved performance. Non inductively wound. Direction of winding reversed at half turns point
Weight
005 - 0.5kg 006 - 0.6kg 008 - 0.8kg
Size
350mm x 100mm x 80mm (W H D) approx (all models)
Resistance Measurement:
008-C	008-B	008-A	006-C	006-B	006-A	005-B	Decade	Accuracy	Current Max
		•			•		10 x 0.001 Ω	± 2%	1.4A
	•	•		•	•	•	10 x 0.01 Ω	± 1%	1.4A
•	•	•	•	•	•	•	10 x 0.1 Ω	± 0.5%	1.4A
•	•	•	•	•	•	•	10 x 1 Ω	± 0.2%	300mA
•	•	•	•	•	•	•	10 x 10 Ω	± 0.01%	100mA
•	•	•	•	•	•	•	10 x 100 Ω	± 0.01%	30mA
•	•	•	•	•			10 x 1k Ω	± 0.01%	18mA
•	•	•	•				10 x 10k Ω	± 0.01%	5mA
•	•						10 x 100k Ω	± 0.01%	1.8mA
•							10 x 1M Ω	± 0.05%	0.3mA

Model	No. Decades	Total Resistance	Resolution	Sutable for Pt100 Simulation	Resolution °C when Simulating Pt100	Residual Resistance Ω
005-B	8	1,112.10 Ω	0.01	•	0.025	1 Ω
006-A	6	1,112.11 Ω	0.001	•	0.0025	1 Ω
006-B	6	11,112.10 Ω	0.01	•	0.025	1 Ω
006-C	6	111,111 Ω	0.1	-	-	70m Ω
008-A	8	111,112.11 Ω	0.001	•	0.0025	1 Ω
008-B	8	1,111,112.1 Ω	0.01	•	0.025	1 Ω
008-C	8	11,111,111 Ω	0.1	-	-	80m Ω