Precision grade (BS89) moving-coil meter

Precision grade (BS89) moving-coil meter, model 102Pr no. 2555780, by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England. 75mV, 5mA full scale, scaled 0-100 by 0.5 and 0-300 by 2 divisions. With wooden cover containing certificate of inspection and test dated 18 September 1967. (With 6 shunts and external leads, parts 1 to 7.)

Details

Category:
Electricity and Magnetism
Object Number:
1989-1181
type:
moving-coil meter
credit:
Imperial College of Science, Technology & Medicine

Parts

Four-terminal shunt, 100mA range

Four-terminal shunt, 100mA range

Four-terminal shunt, 100mA range, for moving-coil meter no. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt1
type:
moving-coil meter
Four-terminal shunt, 300mA range

Four-terminal shunt, 300mA range

Four-terminal shunt, 300mA range, for moving-coil meter No. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt2
type:
moving-coil meter
Four-terminal shunt, 1A range

Four-terminal shunt, 1A range

Four-terminal shunt, 1A range, for moving-coil meter No. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt3
type:
moving-coil meter
Four-terminal shunt, 3A range

Four-terminal shunt, 3A range

Four-terminal shunt, 3A range, for moving-coil meter no. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt4
type:
moving-coil meter
Four-terminal shunt, 10A range

Four-terminal shunt, 10A range

Four-terminal shunt, 10A range, for moving-coil meter No. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt5
type:
moving-coil meter
Four-terminal shunt, 150A range for moving-coil meter

Four-terminal shunt, 150A range for moving-coil meter

Four-terminal shunt, 150A range for moving-coil meter no. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt6
type:
moving-coil meter
External leads

External leads

External leads, resistance 0.05 ohms, for connecting shunt to moving-coil meter no. 2555780 by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England

Object Number:
1989-1181 Pt7
type:
electrical cables