I. Product Overview 
 HDGC3550 smart electricity tester series now has four national patents. Applicable to the electricity tester based on today's most advanced ARM, DSP, manufacturing, production of compact, powerful. It can carry out detection of power system of 10kV and the following high-, low-voltage wiring for all users metering device and the meter, set high, the low-pressure measuring devices, meters, harmonic excess test, single-phase energy meter testing and other functions as one The design of advanced, practical, safe, simple, and efficient. 

 Second, the typical application 
 HDGC3550 smart electricity tester for electrical inspectors, line loss detection, various types of power anomaly analysis, harmonic analysis, property management, industrial production unit consumption, especially for all kinds of high-tech technical stealing electricity enterprise, before the hidden table stealing, Taiwan appraisal problem, check the way of technological innovation, the solution is unique, safe, fast, easy to use. 
 Design the characteristics HDGC3550 intelligent tester (DSM) integrated high and low pressure metering device running the anomaly detection meter error detection of high and low pressure gauges, online activities of energy metering, single-phase energy meter testing, the harmonic excess test as a whole, a national initiative. 
 HDGC3550 smart electricity tester cable touch screen, save the test data, on-site printing and other functions, a user-friendly design concept. 

 Third, technical indicators 
 1), the voltage signal input circuit: direct access, input impedance:> 2MΩ, 20pF 
 Measuring range: rms voltage 10 ~ 700V (rms) 
 Peak voltage: 1000V 
 Power consumption: less than 0.5VA / phase 
 2), the current input circuit: indirect access. 
 Measuring range: Current True RMS 5A, 500A, 800A (select the corresponding current transformer) 
 Surge Current: 1000A (optional 1000A current sensor current transformer) 
 3), the measured signal frequency range: 40Hz ~ 70Hz 
 Display: 320 × 240 of TFT LCD + Touch Screen 
 Memory capacity: 16 M-bytes of FLASH 
 External memory interface: USB (pluggable U disk) 
 Working power supply: rechargeable lithium ion battery, full of work for 5 to 6 hours 
 External power supply: AC100 ~ 240V/DC16.8V-1A power adapter / charger 

 Various indicators of detection accuracy 
 Measurable range measurement accuracy instructions 
 Voltage / current / frequency three-phase voltage: 10 ~ 700V (rms) 
 Three-phase current: 0.5 ~ 1000A (True RMS, optional current transformer 1000A) 
 Zero line current: 0.5 ~ 10A (True RMS) 
 Frequency: 40 ~ 70Hz Voltage: ± 0.5% 
 Current: ± 0.5% 
 Frequency: reading ± 0.01Hz here to phase A voltage and frequency as the measurement frequency 
 Harmonic measurement of voltage harmonics: harmonic THD + 50 
 Current harmonics: harmonic voltage harmonics, THD + 50: ± 0.1 (% r) 
 Current harmonics: ± 0.05 (A) 
 Power Measurement active: 0.05 ~ 700 kW 
 , As in: 0.05 ~ 700kVA 
 Reactive Power: 0.05 ~ 700KVAR 
 Power factor: 0.00 to 1.00 
 Active energy: 0.01 10000kW? H 
 , As in electric power: 0.01 ~ 10000kVA? H, 
 Reactive energy: 0.01 ~ 10000kVAR? H 
 Average power factor: 0.00 ~ 1.00 active: reading ± 50W 
 Apparent: reading ± 50VA 
 Reactive: reading ± 50VAR 
 Power Factor: reading ± 0.005 
 Active energy: reading ± 0.05kW? H 
 Apparent power: reading ± 0.1kVA? H, 
 Reactive energy: reading ± 0.1 kVAR? H 
 Average power factor: reading ± 0.005