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A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Alternating-current watt-hour meters (for connection through instrument transformer) -- Part 1: General measuring instrument
Var-hour meters -- Part 1: General measuring instrument
Weather-proof performance of electricity meters
Watt-hour, var-hour and maximum demand indicators for telemetering -- Part 1: General measuring instrument
Insulation resistance testers
Electroacoustics -- Random incidence and diffuse field calibration of sound level meters
Level recorders for recording sound level and/or vibration level
Platinum resistance thermometers
Mineral insulated thermocouples
Extension and compensating cables for thermocouples
Thermistor for temperature measurement
Performance test methods for radiation thermometers
Instrument transformetrs for testing purpose and used with general instrument -- Part 1: Current transformers
Instrument tranformters for testing purpose and used with general instrument -- Part 2: Voltage transformers
Instrument transformers for metering service -- Part 1: General measuring instrument
Instrument transformers for metering service -- Part 2: Measuring instruments used in transaction or certification
General rules for defining expression of the performance of industrial-process measurement and control equipment
Operating conditions for industrial-process measurement and control equipment
An interface system for programmable measuring instruments
Methods of test for electrical insulating materials based on mica
Dry, solid insulating materials -- Resistance test to high-voltage low-current arc discharges
Testing methods of ceramic insulators for electrical and electronic applications
Testing methods of plastic films for electrical purposes
Test methods of coating powders for electrical insulation