one Introduction to the
ZY3600, ZY3900 three-phase digital phase voltammetry is my company carefully developed a designed for the field test of multifunctional, digital, intelligent instrument, with high precision, high stability, low power consumption, easy to use and other characteristics. Can under the condition of the circuit under test does not open, and measurement of three-phase ac voltage, current, voltage, phase and current phase, phase, frequency, phase sequence between voltage and current, active power, reactive power, apparent power, power factor, current vector and, judging transformer connection group, sensibility, capacitive circuit, the secondary circuit test and differential bus protection system, Reading out the phase relation between CT units of differential protection, checking the wiring correctness of watt-hour meter, repairing line equipment, etc., provides an accurate and convenient new power instrument for electricity inspectors.
Two, technical indicators
Function | Simultaneous measurement of three-phase AC voltage, current, phase between voltage, phase between current, phase between voltage and current, frequency, phase sequence, active power, reactive power, apparent power, power factor, current vector sum, Identify transformer wiring groups, inductive and capacitive circuits, test secondary circuit and bus differential protection system, read the phase relationship between CT groups of differential protection, check whether the wiring of watt-hour meter is correct or not, overhaul line equipment, etc. |
Power supply | DC9V Alkaline Dry Cell (1.5 V AA × 6) |
Power consumption | Turn on the backlight, the maximum power consumption is 80mA, and the battery works continuously for 10 hours |
Turn off the backlight, the instrument consumes 50mA, and the battery works continuously for 16 hours | |
Display mode | LCD display, 240 dots × 160 dots |
Instrument dimensions | Length and width: 196mm × 92mm × 54mm |
Dimension of jaw | Sharp current clamp: 7.5 mm × 13mm (optional) Round current clamp: 35mm × 40mm (optional) |
Measuring range | Voltage: AC 0.00 V ~ 600V (full automatic shift) |
Current: AC 0.0 mA ~ 20.0 A (full automatic shift) | |
Phase: 0.0 ~ 360.0 | |
Frequency: 45.00 Hz ~ 65.00 Hz | |
Active power: 0.0W ~ 12kW | |
Reactive power: 0.0W ~ 12kVAR | |
Apparent power: 0.0W ~ 12kVA | |
Power factor:-1 ~ +1 | |
Current vector sum: 0mA ~ 60.0 A | |
Resolution | Voltage: AC 0.01 V |
Current: AC 0.1 mA | |
Phase: 0.1 ° | |
Frequency: 0.01 Hz | |
Active power: 0.1 W | |
Reactive power: 0.1 VAR | |
Apparent power: 0.1 VA | |
Power factor: 0.001 | |
Current vector sum: 1mA | |
Phase sequence | Positive phase: U1, U2, U3 or I1, I2, I3 cursor flashes from left to right reverse phase: U1, U2, U3 or I1, I2, I3 cursor flashes from right to left |
Detection rate | About 2 seconds/time |
Data retention | In the test, press the HOLD key to keep the data, and the "HD" symbol is displayed |
Data storage | 500 groups |
Automatic shutdown | After starting up for about 15 minutes, the meter automatically shuts down to reduce battery consumption |
Backlight function | Yes, it is suitable for dark places and night use |
Voltage detection | When the battery voltage is lower than 7.2 V, the symbol of low battery voltage is displayed to remind the battery to be replaced |
Instrument quality | Main engine: 550g (with battery) |
Sharp current clamp: 170g × 3 | |
Round mouth current clamp: 185g × 3 | |
Test line: 250g | |
Test line length | 1.5 m |
Current clamp wire length | 2m |
Working temperature and humidity | -10 ℃ ~ 40 ℃; Below 80% Rh |
Storage temperature and humidity | -10 ℃ ~ 60 ℃; Below 70% Rh |
Input impedance | Test voltage input impedance: 2 M Ω |
Withstand voltage | The sine wave AC voltage of 1000V/50Hz can be withstood between the instrument circuit and the housing for 1 minute |
Insulation | ≥ 100 M Ω between instrument circuit and sheath shell |
Structure | Double insulation with insulated vibration-proof sheath |
Suitable safety regulations | IEC61010-1 CAT ⅲ 600V, IEC61010-031, IEC61326, pollution level 2 |
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