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Protective relay calibrator SRT-193

This instrument is a new type of instrument for calibration of single-phase Protective relay in various high and low voltage distribution systems

Classification:

Protective relay test instrument


Product description

Overview

This instrument is a new type of instrument for calibration of single-phase Protective relay in various high and low voltage distribution systems. The design basis of performance and test method is New Protective relay Inspection organized by Safety Supervision and Production Coordination Department of Ministry of Electric Power Industry. Suitable for industrial and mining enterprises such as power, metallurgy, chemical, mining, textile, etc. It can test and verify the operating voltage/current value, return voltage/current value, operating time, return time of various electromagnetic, rectifier, and transistor integrated circuit relays, as well as the operating value, return value, charging and discharging time, operating time, etc. of reclosing relays.

This instrument scientifically combines a series of electrical equipment such as current generator, voltage generator, electric stopwatch, standard voltage/Ammeter, Pressure regulator, etc. used in the calibration of Protective relay into a complete portable instrument. The analog standard voltage/Ammeter and electric stopwatch are changed into digital standard meters. With accurate readings and simple operation, it is an ideal test instrument for Protective relay calibrators.

  

Performance characteristics

High precision, high power, small size

Lightweight, digital display, easy to operate

Fully functional, reliable performance, convenient and durable.

  

Technical Parameter

Output: continuously adjustable

AC current: 0-5A, 0-50A, 0-150A

DC current: 0-20A

AC voltage: 0-250V, I ≤ 5A, 50Hz

DC voltage: 0-250V, I ≤ 5A, 50Hz, 0-12V, I ≤ 500mA

Auxiliary power supply: fixed 220V, I ≤ 4A

Electricity measurement: 4-digit and half digital Voltmeter, 3-digit and half digital Ammeter

Precision: 0.5% ROG ± 1 word

Time measurement: 8-digit stopwatch 0-9999.99999S

Accuracy: ± 0.0001S

Working voltage: AC220V ± 10%; 50Hz

Output power: 1.5KW

Weight: 18Kg

Working environment: Temperature: -40 ℃~+50 ℃; Humidity: ≤ 90% RH

keyword:

voltage

protective

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