PF108A Type Power Frequency Electrical Parameter TesterDetailed product description：

The PF108A power frequency electrical parameter tester adopts a high-speed and high-precision A/D converter to synchronously sample single-phase power frequency voltage, current, phase, and frequency under the control of a microprocessor, achieving long-term high-precision measurement of single-phase power frequency voltage, current, power, phase, frequency, and power factor. This instrument is currently one of the highest performance instruments for power frequency electrical parameter measurement in China and can be widely used in laboratories, metrology institutes, power systems, and other departments as a 0.05 level single-phase power frequency, current, power, 0.1 level phase standard, and 0.01 level power frequency standard or on-site detection.

1、 Technical requirements
1. Environmental requirements for use
This instrument complies with the provisions of Group I instruments in the national standard GB6587-86 "General Principles for Environmental Testing of Measuring Instruments": rated operating temperature of 18 ℃~22 ℃, humidity ≤ 86% RH, and allowed to operate at 5 ℃~45 ℃
2. Power supply AC 220 ± 5% (50Hz ± 5%)
3. Approximately 30W of power consumption
4. Preheating time accurately measured for 30 minutes
5. Dimensions: 285mm × 250mm × 110mm (L × B × H)
6. Weight 2.5Kg

2、 Performance indicators of PF108A power frequency electrical parameter tester
1. Voltage
Measurement range; 3－600V
Measurement range: 30V, 60V, 100V, 150V, 250V, 300V, 450V, 600V (expandable)
Measurement accuracy: 3V-600V error ≤ 0.05%
Display mode; There are four types: direct reading, 75 grid, 100 grid, and 150 grid
Input impedance: R ≥ 2M Ω
Temperature coefficient: better than 10ppm/℃ within 5 ℃~45 ℃
2. Current
Measurement range: 0.1A-50A
Measurement range: 1A, 2.5A, 5A, 10A, 25A, 50A (expandable)
Measurement accuracy: 0.1A-50A error ≤ 0.05%
Display modes: direct reading, 75 grid, 100 grid, 150 grid
Input impedance: 0.1 Ω
Humidity coefficient: better than 10ppm/℃ within 5 ℃~45 ℃
3. Power
Measurement range; 10—6000W
Measurement range: 75V × 2.5A, 150V × 2.5A, 300V × 2.5A
75V × 5A, 150V × 5A, 300V × 5A, 600V × 5A
150V × 10A, 300V × 10A, 600V × 10A (expandable)
Measurement accuracy: 37.5W-6000W, error ≤ 0.05%
Measurement parameter: single-phase active power
Display mode; There are four types: direct reading, 75 grid, 100 grid, and 150 grid
Temperature coefficient: better than 10ppm/℃ within 5 ℃~45 ℃
4. Frequency
Measurement range: 30Hz-90Hz
Measurement accuracy: The error within the measurement range is less than ± 0.002 Hz
Humidity coefficient: better than 5ppm/℃ within 5 ℃~45 ℃
5. Phase and power factor
Measurement range: 0.00-360.00
Power factor:+1.000- ---1.000
Input signal: voltage 50V-400V (effective value), current 5A-12A (effective value)
Measurement accuracy: Phase error ≤ ± 0.1 ° under rated input signal state
Temperature coefficient: better than 10ppm/℃ within 5 ℃~45 ℃