GB1176327A - Voltage Test Apparatus - Google Patents

Voltage Test Apparatus

Info

Publication number
GB1176327A
GB1176327A GB4128766A GB4128766A GB1176327A GB 1176327 A GB1176327 A GB 1176327A GB 4128766 A GB4128766 A GB 4128766A GB 4128766 A GB4128766 A GB 4128766A GB 1176327 A GB1176327 A GB 1176327A
Authority
GB
United Kingdom
Prior art keywords
voltage
load
meter
terminals
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4128766A
Inventor
George Edward Mitchell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Motors Ltd
Original Assignee
General Motors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Motors Ltd filed Critical General Motors Ltd
Priority to GB4128766A priority Critical patent/GB1176327A/en
Publication of GB1176327A publication Critical patent/GB1176327A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/12—Measuring rate of change

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

1,176,327. Voltage measurement. GENERAL MOTORS Ltd. Sept.14, 1967 [Sept.15, 1966], No.41287/66. Heading G1U. A voltage test apparatus for indicating the change in a power supply voltage which will occur when a given load is applied to the supply incorporates a pair of test terminals 1, 2 to which the supply is connected, a test load 8 switchable across the terminals and a bridge circuit to whose terminals 4, 3 the input voltage, suitably rectified at 5, is connected, the bridge being in parallel across the input terminals with the test load when connected. One branch of the bridge includes a Zener diode 12 to develop a standard voltage at a point 19 while the other branch includes a potentiometer with a tapping point 18. A meter 16 and diode 17 are connected between the points 18, 19. The tapping 18 is adjusted under no load conditions so that the meter reads zero. Various resistors 8a-8c may then be switched in to simulate different load conditions. The voltage across 4-3 falls, and the reading of meter 16, previously calibrated, indicates the effect of the load on the supply. The diode 17 serves to damp minute mains fluctuations and protect the meter from reverse and excess currents.
GB4128766A 1966-09-15 1966-09-15 Voltage Test Apparatus Expired GB1176327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4128766A GB1176327A (en) 1966-09-15 1966-09-15 Voltage Test Apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4128766A GB1176327A (en) 1966-09-15 1966-09-15 Voltage Test Apparatus

Publications (1)

Publication Number Publication Date
GB1176327A true GB1176327A (en) 1970-01-01

Family

ID=10418992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4128766A Expired GB1176327A (en) 1966-09-15 1966-09-15 Voltage Test Apparatus

Country Status (1)

Country Link
GB (1) GB1176327A (en)

Similar Documents

Publication Publication Date Title
GB1253790A (en) Optical absorption photometer
ES404957A1 (en) Rms sensing apparatus
GB1278632A (en) Improvements relating to measuring and testing electrical circuits
GB1176327A (en) Voltage Test Apparatus
GB902087A (en) Improvements in or relating to electrical bridge networks
GB1490261A (en) Resistance measuring apparatus
GB821089A (en) Voltage regulator
ES365309A1 (en) Meter for measuring different ranges of alternating electrical quantities
GB1012972A (en) Improvements in or relating to electric rectifier circuit arrangements
US2948473A (en) Static analogue divider
GB1268226A (en) A meter system for the measurement of electrical quantities
SU136819A1 (en) Power meter
US3030580A (en) Expanded scale meter
SU110806A1 (en) Magnetoelectric Detection Meter
GB909346A (en) Improvements in or relating to apparatus for measuring the root mean square value ofan electrical signal
GB779016A (en) Improvements in and relating to the measurement of alternating electric currents
JPS573019A (en) Burn-out detector for resistance thermometer
GB828646A (en) Improvements in or relating to voltage reference circuits
GB1167398A (en) Resistance Thermometer Circuit
GB970370A (en) Alternating current bridge circuit
GB790631A (en) Improvements in or relating to thermocouple instruments
GB1220063A (en) Testing electric circuits
GB896368A (en) Improvements in an electrical null-balance bridge system
GB961303A (en) Improvements in or relating to a bridge for measuring the electric conductivity of electrolytes
ES258703A1 (en) Automatic control circuit in relation to voltage variations (Machine-translation by Google Translate, not legally binding)