Portable moving-coil 3-inch recording voltmeter/ammeter

Made:
1960-1979

Portable moving-coil 3-inch recording voltmeter/ammeter type GR303/11 serial no. K9385/A1, by Record, speeds 1 inch and 6 inches per hour, ranges 75mV, 150mV, 9mA and 10mA

Details

Category:
Electricity and Magnetism
Object Number:
1992-509
type:
voltmeter - moving coil and ammeter - moving coil
credit:
Eastern Electricity. Appliance Testing L

Parts

Range multiplier for Record portable recording voltmeter/ammeter no. K9385/A1, input ranges 150V and 600V d.c., 150V, 600V, 20mA, 1A, 5A and 10A a.c., plus X1 and divide-by-two range switch, outputs 9mA and 75mV full scale

Range multiplier for Record portable recording voltmeter/ammeter no. K9385/A1

Range multiplier for Record portable recording voltmeter/ammeter no. K9385/A1, input ranges 150V and 600V d.c., 150V, 600V, 20mA, 1A, 5A and 10A a.c., plus X1 and divide-by-two range switch, outputs 9mA and 75mV full scale

Object Number:
1992-509 Pt1
type:
multiplier
Range multiplier for Record portable recording voltmeter/ammeter no. K9385/A1, input ranges 750mV, 1.5V, 3V, 7.5V, 15V and 30V d.c., and a.c. switched ranges of 3V, 7.5V, 15V and 30V, outputs 10mA and 9mA

Range multiplier for Record portable recording voltmeter/ammeter no. K9385/A1

Range multiplier for Record portable recording voltmeter/ammeter no. K9385/A1, input ranges 750mV, 1.5V, 3V, 7.5V, 15V and 30V d.c., and a.c. switched ranges of 3V, 7.5V, 15V and 30V, outputs 10mA and 9mA

Object Number:
1992-509 Pt2
type:
multiplier
Spare pen and inks for Record portable recording voltmeter/ammeter

Spare pen and inks for Record portable recording voltmeter/ammeter

Spare pen and inks for Record portable recording voltmeter/ammeter

Object Number:
1992-509 Pt3
type:
pen

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