INTRODUCTION:
The equipment is compliance with national verification regulation: JJG124－2005
“Ammeter, voltmeter, power meter and resistance meter verification rules” and
related nationalstandards. 0.05 single-phase AC/DC standard source, can verify
magnitude 0.2and the following AC/DC voltmeter, ammeter, frequency meter, resistance meter.
The source signals by using DSP and 16-bit high-speed analog-to-digital
converters of controllable sine wave, the distorted wave signal source.The equipment
comes with RS-232 interface, can be connected with PC to a semi-automatic
verification system. It has precise interface and multi-functions including verification,
storage and query.The equipment adopts color LCD screen, chart character display is clear,
with high precision, stable and reliable, convenient operation and flexible
FEATURES:
1. It can be semi-automatic or manual inspection of analog multi meter,
clamp type current meter, all kinds of electric meter, (voltmeter, ammeter,
frequency meters, resistance meter) basic error.
2. The equipment can be generated with 2-31 harmonic wave, harmonic number, order,
amplitude and harmonic phase of fundamental wave can be programmed.
3. Power amplifier working frequency range is 40Hz-1KHZ, has a good linear.
Current amplifier is constant current source; voltage amplifier is constant
voltage source. Because of light weight, this device is more suitable for field use.
4. With RS-232 interface, this device is controlled by PCthrough the PC software
(optional), can be automatic or manual inspection, and the results are processing
and management.
5. Has a non-volatile memory, it can store 500 pieces of the raw data
of tested meter, for access and upload.
PARAMETERS
Electrical parameters |
Power supply | Single phase AC 220V±10% or 110V±10%, 50/60HzAC |
AC Voltage output |
range | 200mV, 400mV, 2000mV, 4000mV,
20V, 100V, 200V, 500V, 1000V |
Range 20V-1000V | Accuracy | ±(0.03%RD+0.02%FS) |
Stability | ≤0.01% FS /60s |
Range 200mV-4000mV | Accuracy | ±(0.3%RD+0.2%FS) |
Stability | ≤0.04% FS /60s |
Load capacity | 20VA |
Waveform distortion | ≤0.3% |
Adjustable Range | 0-120% FS (1000V not included) |
Fineness | 5×10-5 |
AC Current Output |
Range | 2mA, 4mA, 20mA, 40mA, 0.2A, 0.5A, 2A, 5A, 10A, 20A |
Range 0.2A-20A | Accuracy | ±(0.03%RD+0.02%FS) |
Stability | ≤0.01% FS /60s |
Range 2mA-40mA | Accuracy | ±(0.3%RD+0.2%FS) |
Stability | ≤0.04% FS /60s |
Load capacity | 20VA |
Waveform distortion | ≤0.3% |
Adjustable Range | 0-120% FS |
Fineness | 5×10-5 |
Frequency Output |
Range | 45-65Hz |
Fineness | 0.001Hz |
Accuracy | 0.01Hz |
Harmonic Wave |
Times | 2-31 |
Extent | 0-20% |
Each harmonic phase fineness | 0.01·N (N is harmonic order) |
DC voltage output |
Range | 200mV, 400mV, 2000mV, 4000mV,
20V, 40V, 100V, 200V, 400V, 1000V |
Load capacity | 20W |
Adjustable range | 0-110% FS (1000V not included) |
Adjustable fineness | 5×10-5 |
Stability | ≤0.01% FS /60s (peak-peak value) |
Accuracy | ±(0.03%RD+0.02%FS) |
Ripple wave | ≤1% FS |
DC current output |
Range | 20uA, 40uA, 200uA, 400uA, 2mA, 4mA,
20mA, 40mA, 0.2A, 1A, 2.5A, 5A, 10A, 20A |
Load capacity | 20W |
Adjustable Range | 0-110% FS (1000V not included) |
Adjustable Fineness | 5×10-5 |
Stability | ≤0.01% FS /60s (peak-peak value) |
Accuracy | ±(0.06%RD+0.04%FS) |
Ripple wave | ≤1% FS |
Resistance box |
Range | 0-200Ω, 200-400Ω, 0-2kΩ, 2kΩ-4kΩ, 0-20kΩ, 20kΩ-40kΩ,
0-200kΩ, 200kΩ-400kΩ, 0-2MΩ, 2MΩ-4MΩ |
Fineness | 0.02% |
Range 0-2kΩ, 0-20kΩ, 0-200kΩ |
Range 0-2kΩ | Adjustable Range | 0-100%FS |
Accuracy | ±(0.12%RD+0.08%FS) |
Range 0-200Ω,0-2MΩ | Adjustable Range | 0-100% FS |
Accuracy | ±(0.3%RD+0.2%FS) |
Range 2kΩ-4kΩ, 20kΩ-40kΩ, 200kΩ-400kΩ |
Range 2kΩ-4kΩ | Adjustable Range | 5%-100%FS |
Accuracy | ±(0.12%RD+0.08%FS) |
Range 200-400Ω,
2MΩ-4MΩ | Adjustable Range | 5%-100% FS |
Accuracy | ±(0.3%RD+0.2%FS) |
Clamp meter range |
200A | Accuracy | ±0.2% |
600A | Accuracy | ±0.5% |
1000A | Accuracy | ±1% |
Dot frequency square wave output |
Range | 1kHz, 5kHz, 10kHz, 50kHz, 100kHz, 200kHz, 1000kHz |
Square wave amplitude | 4.5V |
Setting accuracy | 5×10-5 |
Mechanical parameters |
Dimension (L×W×H) (mm) | 440x360x160 |
Weight (kg) | 12 |
Environmental conditions |
Operating temperature | 20°C±10°C |
Relative humidity | ≤85%RH |
