Resistance Wires
COMPANY : 3B SCIENTIFIC GERMANY

Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire.

SOM CODE Model Material Length Diameter Catalogue
D600/159 1000949 Copper 100 m 0.3 mm
D600/950 1000950 Iron 100 m 0.3 mm
D600/959 1000959 Brass 50 m 0.3 mm
D600/951 1000951 Nickel 50 m 0.3 mm
D600/953 1000953 Chrome-Nickel 100 m 0.3 mm
D600/954 1000954 Chrome-Nickel 50 m 0.5 mm
D600/955 1000955 Constantan 100 m 0.2 mm
D600/956 1000956 Constantan 100 m 0.3 mm
D600/957 1000957 Constantan 50 m 0.4 mm
D600/958 1000958 Constantan 50 m 0.5 mm

COMPANY : 3B SCIENTIFIC GERMANY

SOM CODE MODEL DESCRIPTION CATALOGUE
D600/735 1002735 RESISTANCE DECADE 1-10K(U11185)

Four resistance decades in a single housing, can be used individually or in combination, e.g. for setting up a Wheatstone bridge. Can be set using control knob, with decade scale.

→ Output: via 4 mm safety sockets
→ Max. current: 700 mA (1 Ω − 10 Ω),
200 mA (10 Ω − 100 Ω), 70 mA (100 Ω − 1 kΩ), 20 mA (1 kΩ − 10 kΩ)
→ Accuracy: 1%
→ Dimensions: approx. 310x90x80 mm³
→ Weight: approx. 1 kg

COMPANY : 3B SCIENTIFIC GERMANY

SOM CODE MODEL DESCRIPTION CATALOGUE
D600/885 1009885 RESISTANCE BRIDGE(U8551002)

Resistance Bridge used to measure resistances in bridge circuits and investigate voltage drops across wires. The device is only suitable for low voltages.

It consists of a rail with a scale mounted at two points and a resistance wire stretched between two connecting sockets. A sliding contact on the resistance wire is used to set the resistance of the resultant two wire sections. A Wheatstone bridge circuit is configured to determine unknown resistances.

WIRES

SOM CODE Model Company Description
D448/28 H29024 FINDEL U.K PLANCK CONSTANT EXPERIMENT.
2572/5 P-1550A ARIHANT INDIA MANGANIN WIRE DIA 0.90MM 20 SWG 50GM/REEL
2572/3 EISCO INDIA RESISTANCE WIRE SET OF COPPER, NICHROME, CONSTAN
2572/18 ARIHANT INDIA RESISTANCE WIRE SET OF COPPER NICHROME
2572/17 P-1552A ARIHANT INDIA CONSTANTAN/EUREKA WIRE BARE DIA 1.6MM 16SWG 125GM
2572/16 P-1542H ARIHANT INDIA NICHROME WIRE BARE 32 SWG 125GM/REEL
2572/14 P-1548 ARIHANT INDIA COPPER WIRE DOUBLE RAYON W/ COVER 500GM/REEL
2572/13 P-1546 ARIHANT INDIA COPPER WIRE 500GM/REEL
2572/12 P-1544J ARIHANT INDIA COPPER WIRE BARE 36 S.W.G 250GM/REEL
2572/11 P-1544A ARIHANT INDIA COPPER WIRE BARE 18 S.W.G. 500GM/REEL

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