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Description: The 760A Meter Calibrator is a complete, solid-state calibration system for AC and DC voltmeters, ammeters, ohmmeters, and multimeters. Safety inter-locks are provided to protect both operator and instrument. Voltage ranges are 0.001 V to 1000 V with 100 µV resolution. Voltage
- Calibrator Style: Hand Held
Programmable Power Supplies - 20 V, 60 A, Programmable Power Supply -- Sorensen/Xantrex/Elgar/Ametek XFR20-60
Description: NIST Calibration Pricing - $98.00 Xantrex XFR 20-60 Features: 20 V 60 AMP 1,200 Watts Zero voltage ("soft") switching for high efficiency and low noise Constant voltage, constant current Adjustable overvoltage protection 10-turn voltage and current control LED voltmeter andShow More
Description: is ideal. Ammeters, current transformers, shunts, current sensors, coils, wattmeters and a variety of parametric tests requiring constant, yet variable, AC or DC current are but a few of calibration and lab test uses of the 2500EP. The units fast response characteristics allow it toShow More
Standards and Technical Documents - Standard Test Method for Direct Current Magnetic Properties of Materials Using D-C Permeameters and the Ballistic Test Methods -- ASTM A341/A341MSupplier: ASTM International
Description: Imagnetizing current; HCfixed H coil; FCflip coil; HPHall probe; RCCRogowski-Chattock coil. C Fahy permeameters require a standard of known magnetic properties for calibration of the H coil. Note— A1Multirange ammeter (main current) A2Multirange ammeter (hysteresisShow More
Description: with contemporary construction AC and DC industrial ranges Audio Level (vu scale) and Fast Response (PPM scale) ranges Taut band core magnet movement incorporated as standard Rugged movements for portable or fixed audio applications Stronger suspension options for Industrial versions No
- Form Factor: Rack-Mounted
- Measurement Type: DC
- DC Current Range: 1 to 7 amps
- Operating Temperature: -13 to 131 F
Supplier: Johnson and Allen, Ltd.
Description: and mounted high intensity UV inspection lights can be supplied fitted Full calibration of Ammeters to NPL traceable standards - Certification Supplied 230V or 400V inputs. A Range of output currents available - 1000A and upward Specialist jigs - e.g. layer wound coils with
- Instrument Type: Flaw Detection
- Form Factor: Bench / Rack / Cabinet
- Technology: Magnetic Particle System
Calibration Instruments - I620IS - GE Druck Intrinsically Safe Advanced Modular Calibrator with HART Communicator -- GO-50015-01Supplier: Cole-Parmer
Description: , ease of use and upgrade support. A single handheld device can now configure the full range of HART devices and perform mA trims and sensor calibrations without the need for secondary equipment such as ammeters, calibrators, power supplies and loop resistors. This can significantly
- Calibrator Style: Battery Powered
Supplier: Hoyt Electrical Instrument Works, Inc.
Description: Hoyt’s new HDCA-20PC Series are the first digital dc ammeters to include built-in shunts for measuring dc currents up to 20A. Six ranges provide for precision measurement of dc currents from 200uA to 20A. These ammeters are 100% self-contained; no calibration or
- Display Type: Numeric Display
- Display Technology: LED
- Digit or Character Size: 0.37" to 0.56" (9.4mm to 14.2mm)
- Standard Display Colors: Blue, Green, Red
Supplier: Encore Electronics, Inc.
Description: , where an external ammeter can be inserted to measure the actual loop current for calibration purposes. The design of the switching circuit allows only one channel to be monitored from the front panel at a time. The other channels will not be affected by the operation of this monitor.
- Form Factor: Panel / Chassis Mount
- Analog Input Channels: 12 #
- Signal Inputs: AC Voltage Input
- Specialized & Other Inputs: Relay / Switch Input
Analog Ammeters - Ammeter; 0 to 5 ACA; + 2%; 2-1/2 in.; 2%; 2.16 in.; 0.140 in.; -20 to degC -- 70209457Supplier: Allied Electronics, Inc.
Description: Century meters have plastic cases with glass windows and are UL Recognized. All Century DC meters have self-shielding movement (calibration is not affected by stray magnetic field or magnetic mounting). The listed AC meters have iron-vane type movements and are calibrated at 60 Hz. Other
- Measurement Type: AC
- AC Current Range: 0.0 to 5 amps
- Operating Temperature: -4 to 149 F
- Standards and Certifications: UL
Description: GSA prices. Type: GSA Schedule Calibration: New Warranty: 1 Year Shipping: FOB Destination Ships in: 6 Weeks Country of Origin: Taiwan GSA Schedule: GS-24F-0066M Exp.:10 Mar. 2013 DUNS: #08-643-8152 Tax ID: 94-3310442 CAGE code: 1RPN6 DODAAC: Q90079 Small business credit applies for this
- Display Type: Digital
Digital Ammeters - FLUKE-175 ESFP - Fluke 175 ESFP, True-RMS Digital Multimeter, CAT IV 600V/CAT III 1000V -- GO-26075-01Supplier: Cole-Parmer
Description: feature a 6000-count resolution, display and auto hold, frequency, capacitance, resistance, continuity, and diode measurement capability. Meters include easy battery exchange, closed case calibration through the front panel, and an ergonomic case with integrated protective holster. Models 177
- DC Current Range: 1.00E-5 to 10 amps
- AC Current Range: 10 amps
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Calibrating Ammeters above 100 MC
B. Techniques One ammeter calibrating circuit which has been used over the frequency range of 1 to 350 mc is shown in Fig. 1.
Use of a current balance to calibrate an ammeter and to determine the magnetic permeability of free space
To check the ammeter calibration , a graph of measured current versus ammeter reading is plotted.
ISA BASIC ELEC CNTRL - Basic Electricity and Electronics for Control - Fundamentals and Applications
AMMETER CALIBRATION ......................................
Frequency Errors in Radio-Frequency Ammeters
LOW POTENTIALTERMINAL LLIGHT PROOF SHIELDED BOX Fig. 1-Circuit and apparatus used in thermal ammeter calibration by means of lamps.
A measurement setup to calibrate picoammeters in dc current in the range 100 pA ÷100 nA
The procedure of pico- ammeter calibration was developed in order to minimize the effects of the temperature and the voltage burden.
Temperature Measurement 2nd Edition
direct ammeter calibration , 167 .
Ammeter induced perturbations of Argand diagrams for Debye-like dielectrics
… leads us to consider the voltage output of the source as the true voltage applied to the dielectric, and (ii) more basically a neglect of the error incurred in the use, in time-varying experiments, of ammeters calibrated only using direct current …
Reliability Technology: Principles and Practice of Failure Prevention in Electronic Systems
A commonly used application is the motor car temperature gauge, which is an ammeter calibrated with a temperature scale.
Heat input The voltmeter and ammeter calibration and read- .
Alternating-current-instrument testing equipment
These methods of ammeter calibration are generally satis- factory both at power frequencies and at audio frequencies, although at the higher audio-frequencies a resistance standard with an appropriate phase angle must be employed and it may be necessary to take account …