GZX92F type insulation resistance meter calibration device Megohmmeter calibration device

1. Overview
Overview
This instrument is developed and produced in accordance with relevant documents such as - Verification Regulations for Insulation Resistance Meters, - Verification Regulations for Electronic Insulation Resistance Meters and - Calibration Regulations for DC High Voltage High Value Resistors. The instrument is designed with independent leakage shielding terminals and grounding terminals. It can not only be used to verify the standards of various types of imported and domestic analog insulation resistance meters, digital insulation resistance meters, insulation resistance testers and as a DC standard high-value resistor. It has a long technical life and mechanical life.
Resistance measurement range ~ adjust fineness.
The voltage measurement range is ~. It can measure the open circuit voltage, median voltage and peak voltage of the insulation resistance meter.
. Accuracy level and operating voltage (current) of the resistor output part
<= dd resistance value






Accuracy Level






Nominal voltage







<= dd resistance Value






Accuracy Level






Nominal voltage\current






2. Main< br/> Key
Technology
Technique
Parameter
Number
Resistance output (high voltage and high resistance box) part
. Adjustment range: ~ Adjustment The fineness is
. Operating environment conditions
.. Reference temperature range ℃～℃
.. Nominal operating temperature range: ℃～℃
.. Reference humidity range %～%
.. Nominal operating humidity range: %～%
. Insulation resistance:
Insulation resistance between the circuit of the resistance output part of the calibration device and any other external metal that is not electrically connected to the circuit The resistance value measured at nominal voltage is not less than.
. Insulation strength:
The circuit between the resistance output part of the calibration device and the reference ground point for testing should be able to withstand the actual sinusoidal AC voltage with a frequency of ~, and should last for a long time without appearing. Breakdown and arcing phenomena.
. The residual resistance at the output end of the resistance output part of the calibration device should be < its deterioration <.
. Dimensions
. Weight Weight<
Voltage measurement (high voltage DC digital voltmeter) part
.< r > Measuring range: ~ D
. Accuracy: (% reading.% full scale)
. Power supply: . D
. Display Display: Four and a half digits, LCD display
. Input resistance:
. Peak value The voltage measurement circuit meets the requirements of the figure in the Insulation Resistance Meter Verification Regulations.