1.Starting test and creeping test
2.Measuring the different constant meters synchronously.
3.With the protect function of overload, short voltage circuit and open current circuit.
4.The testing software with friendly windows 2000 and xp interface, include functional module of all kinds of modern energy meter needed, to reality error test, harmonic test, demand test, influence test.
5.The stored testing data can be transferred to multi-format for other program using
Snt 1100 single phase meter test bench is widely used in power utilities,¡émeter manufacturer,¡émeasurement/quality test lab and other enterprises to test single phase energy meter.
Ac current output (0~10/20a)
Adjust fineness: 0.01%rg
Accuracy: better than ¡¨¤0.05%rg
Stability: better than ¡¨¤0.01%rg/1min
Distortion degree: better than 0.1% (not capacitive load)
Output power: 25va
Full load adjust rate: less than ¡¨¤0.01%rg
Full load adjust time: less than 1ms
Stability time: ¡¨¤60ppm/ year
Power output:
Accuracy: better than 0.05%rg
Stability degree: better than 0.01%/1min
Phase position:
Adjust range: 0¡«359.99 degree
Differentiation: 0.01 degree
Accuracy: ¡¨¤0.03 degree
Frequency:
Adjust range: 40hz¡«65hz
Differentiation: 0.002hz
Accuracy: ¡¨¤0.002hz
Temperature float: ¡¨¤0.5ppm/¡æ
Stability time: ¡¨¤4ppm/year
Power factor:
Adjust range: -1¡«0¡«+1
Differentiation: 0.0001
Accuracy: 0.0005
Harmonic output:
The instrument can accurately output 2¡«22 harmonics.
Dimension& weight:
Dimension¡êo450mm¡¨¢380mm¡¨¢160mm¡ê¡§l¡¨¢w¡¨¢h¡ê©
Weight¡êo¡¨¹18kg¡¡ê
Environment condition:
Working temperature¡êo0¡æ¡«40¡æ
Relative humidity: ¡¨¹85%
Storage condition: ¡ê-30¡æ¡«60¡æ
Features:
1. Check the error of active and reactive of watt-hour meter at the same time, and meanwhile check the error of main and secondary meter in the same circuit.
2. Display the electrical constants such as: voltage, current, power, power factor, phase and frequency and etc.
3. Measure ct ratio, wave form display.
4. Measure 2-51 voltage and current harmonics.
5. Judge wrong wiring.
6. Measure the baud rate for multi-function energy meter and meter number reading.
¦ct secondary loading function.
8. Automatically correct the clamp error.
Measure normal parameter of power line:
Vrms, irms, frequency
Active power, reactive power, apparent power
Phase angle between voltage and current
Power factor
Calibrate single phase meter;
Measure harmonic of voltage and current;
Measure waveform of voltage and current;
Measure current transformer¡¡¥s ratio (option);
Energy accumulation test;
Built-in clock, record testing time exactly;
Store, check and transmit the measured data;
Connected to pc, reading recorded data and real-time measured data by pc;
Alarm when the tested voltage and current over the testing range;
Connected to portable printer (option).
Frequency 50hz ¡¨¤2hz
Outside magnetic field intensity: ¡¨¹0.025mt
Warm-up: the time of warm-up: ¡y30 minutes
Using condition:
Environment temperature: 5¡æ¡-40¡æ
Relative humidity 25%¡«85%
Test current:
0.05a¡«120a
Current range 1a, 10a, 100a
Imax=120a
Test voltage
50v¡-480v
Voltage range: 50v, 100v, 200v, 400v
Umax=480v
Accuracy:
Current:
¡¨¤0.05%rg 0.125¡«120a
Voltage:
¡¨¤0.05%rg 40v¡«480v
Power:
Active power ¡¨¤0.05% (50v¡«480v, 0.2a¡«120a, cosØ¡y0.5)
Reactive power ¡¨¤0.1% (50v¡«480v, 0.2a¡«120a)
Apparent power ¡¨¤0.1% (50v¡«480v, 0.2a¡«120a)
Power factor
Measurement range: 0¡«¡¨¤1
Accuracy: ¡¨¤0.05%rg (cosØ¡y0.5)
Phase:
Measurement range: 0¡ã¡«360¡ã
Accuracy: 0.05¡ã(50hz)
Frequency:
0.03%rd (45hz¡«65hz)
Pulse output:
Ttl level
Load ¡ê¾2kw
High frequency output port: fh
Low frequency output port: fl
Affection of temperature: (5¡æ¡«40¡æ)
Voltage, current and frequency: ¡¨¹¡¨¤15ppm/¡æ
Power: ¡¨¹¡¨¤30ppm/¡æ
Communication port:
Rs232
Rs485
Power supply:
Voltage: ac220v¡¨¤22v
Frequency: 50hz¡¨¤2hz
Power: 40va
Dimension:
432mm¡¨¢131mm¡¨¢308mm
Weight:
15kg
