[go: up one dir, main page]

JPS5391783A - Alternating current wattmeter - Google Patents

Alternating current wattmeter

Info

Publication number
JPS5391783A
JPS5391783A JP613477A JP613477A JPS5391783A JP S5391783 A JPS5391783 A JP S5391783A JP 613477 A JP613477 A JP 613477A JP 613477 A JP613477 A JP 613477A JP S5391783 A JPS5391783 A JP S5391783A
Authority
JP
Japan
Prior art keywords
alternating current
range
same
wattmeter
current wattmeter
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.)
Granted
Application number
JP613477A
Other languages
Japanese (ja)
Other versions
JPS6010263B2 (en
Inventor
Takuichi Tsuchitani
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP613477A priority Critical patent/JPS6010263B2/en
Publication of JPS5391783A publication Critical patent/JPS5391783A/en
Publication of JPS6010263B2 publication Critical patent/JPS6010263B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

PURPOSE: To achieve the improvement in indication accuracy and the expansion of measurement input power range by amplifying detection voltages with a d,c, amplifier in a range where the detection characteristics of a diode has square characteristics and correcting the same with an amplifier including a multiplier in a range out of the same.
COPYRIGHT: (C)1978,JPO&Japio
JP613477A 1977-01-21 1977-01-21 AC wattmeter Expired JPS6010263B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP613477A JPS6010263B2 (en) 1977-01-21 1977-01-21 AC wattmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP613477A JPS6010263B2 (en) 1977-01-21 1977-01-21 AC wattmeter

Publications (2)

Publication Number Publication Date
JPS5391783A true JPS5391783A (en) 1978-08-11
JPS6010263B2 JPS6010263B2 (en) 1985-03-15

Family

ID=11630022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP613477A Expired JPS6010263B2 (en) 1977-01-21 1977-01-21 AC wattmeter

Country Status (1)

Country Link
JP (1) JPS6010263B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60207075A (en) * 1984-03-31 1985-10-18 Shimadzu Corp High frequency power display apparatus for icp analytical apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60207075A (en) * 1984-03-31 1985-10-18 Shimadzu Corp High frequency power display apparatus for icp analytical apparatus

Also Published As

Publication number Publication date
JPS6010263B2 (en) 1985-03-15

Similar Documents

Publication Publication Date Title
JPS525581A (en) Voltage detector circuit
JPS5391783A (en) Alternating current wattmeter
JPS526569A (en) Digital power measuring unit
JPS5444735A (en) Leak detector with leak indicator
JPS5255673A (en) Power consumption detection system
JPS5658666A (en) Avometer having impedance range
JPS5437448A (en) Overload detecting circuit of power amplifier
JPS5333691A (en) Measurement of alternating current corrosion
JPS5385449A (en) Zero point detecting system
JPS5373160A (en) Electronic scale
JPS51146272A (en) Measuring device for current, power-factor and power etc.
JPS5430076A (en) Fine variation meter of impedance
JPS52130675A (en) Measuring apparatus for carrier wave signal power
JPS5439667A (en) Current measuring circuit
JPS5357941A (en) Multiplier using hall element
JPS5432369A (en) Watthour meter
JPS53115159A (en) Multiplying equipment using hall device
JPS55131718A (en) Measuring device
JPS5418783A (en) Level display device
JPS5631656A (en) S/n instrument and s/n measuring method
JPS53131883A (en) Weight measuring apparatus
JPS53131882A (en) Weight measuring apparatus
JPS531043A (en) Automatic range setter of automatic exhausting gas analyzer
JPS5394982A (en) Output display device
JPS5421177A (en) Measuring unit for characters