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1360536352513869623525
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No. 117 Wolong East Street, Weifang High tech Development Zone, Shandong Province
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Weifang Huaqi Instrument Manufacturing Co., Ltd
DO30Q (2000A) digital clamp meter calibrator
NegotiableUpdate on 07/01
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Overview
DO30Q (2000A) digital clamp meter calibrator
Product Details
DO30Q (2000A) digital clamp meter calibrator
1. Overview
The DO30Q (2000A) clamp meter calibrator is an intelligent AC and DC standard voltage and current standard source. (The communication output is displayed as true significant value). Three windows simultaneously display the output actual value, percentage, and checked table full value. It is possible to set the full-scale value of the inspected table and select the corresponding step size based on the scale of the inspected table. There are two options for amplitude adjustment: keyboard (key) or potentiometer. It has the characteristics of digital display, error direct reading, wide range, fine grading, high accuracy, good stability, and easy use. Suitable for verifying, calibrating, and repairing digital and pointer clamp meters, multimeters, voltmeters, and ammeters below 2000A. It can also be used as a high stability testing power supply, in conjunction with high-grade standard meters, to calibrate 0.1 level ammeters and voltmeters.
2. Main functions
2.1 Five and a half digit LED digital display output, displaying both actual value and percentage simultaneously.
2.2 Use keyboard to control the increase or decrease of output volume. The keyboard control quantity is divided into 100%/N, 10%/N, 1%/N, and 0.1%/N (N is 4, 5, 6, 10, 15).
2.3 The external control regulator can control the increase or decrease of output quantity off the machine.
2.4 The output range of AC and DC voltage is 0-1100V.
2.5 Terminal output current 0-60A
The clamp ammeter coil outputs AC and DC currents within the range of 0-2000A.
The clamp ammeter coil outputs AC and DC currents within the range of 0-2000A.
2.6 There are four AC frequencies available for selection: mains synchronous, 50Hz, 60Hz, 400Hz, and 1kHz (with stable crystal oscillation frequency).
2.7 Output overload automatic protection and manual reset.
2.8 AC 50Hz output can be synchronized with mains power to reduce the impact of the frequency of the tested meter.
3. Technical performance
3.1 The range and accuracy of output voltage, current, and standard resistance (23 ℃± 2 ℃, output value can reach 120% of the range) are shown in Table 1
Table 1
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Output items
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Output range
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Rated Output
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maximum output
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accuracy
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AC/DC voltage
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0～（75mV）～250mV
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20mA
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100mA
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DC: ± (0.02% reading+0.02% range) AC: ± (0.05% reading+0.03% range) Accuracy not assessed for AC voltage below 100mV and AC current below 2mA AC voltage 500V and above, AC current 5A and above 400Hz, 1000Hz additional error: ± (0.15% of reading value+0.05% of full scale) Voltage additional error: ± 0.2mV Coil: 0.3% |
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0～1V～2.5V～5V
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50mA
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100mA
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||
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0～10V～25V～50V
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100mA
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200mA
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||
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0～100V～250V～(300V)
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50mA
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100mA
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||
| 0～500V～1000V |
DC：20mA
AC：40mA |
DC：40mA
AC：60mA |
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AC/DC current
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0～(50uA)～100uA～500uA～2.5mA～
10mA～25mA～100mA～250mA |
DC：3V
AC：36V |
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| 0～1A～2.5A～10A |
DC：3V
AC：12V |
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| 0~50A (terminal output)~2000A (standard coil output) | 1.5V | |||
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Standard resistance
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10. 20, 50, 100, 200, 500 (Ω)
1. 2, 5, 10, 20 (k Ω) Additional 1k magnification range (10k Ω~20M Ω) |
0.25W
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0.1%+20m Ω below 2M Ω, 0.4%+20m Ω above 5M Ω
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| Note:(1) The working environment temperature exceeds 23 ℃± 2 ℃, and for every 10 ℃ change, the additional error is less than the basic error of the range | ||||
3.3 Communication distortion:<0.5%
3.4 DC Ripple Factor:<0.5% (at rated output)
3.5 Output frequency and error range: synchronous, 50Hz, 60Hz, 400Hz, 1000Hz<1% (or mains synchronous)
3.6 Power consumption: AC power supply voltage 220V ± 10%, frequency 50Hz ± 1Hz, power consumption: 250VA
3.7 Working environment: The temperature of the working environment is between 5 ℃ and 35 ℃, and the relative humidity is less than 80%
3.8 Working hours: continuous
3.9 Dimensions: Width x Height x Depth: 480 x 200 x 500 (mm)
3.10 Weight: Approximately 24kg
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