Supplier: Peripherals for computers, like video capture/converter, gaming audio card, usb network device, industrial rs232 serials/fax modem, data transfer device and other digital devices.
Supplier: Car mobile dvrs, digital video recorders DVR, DVR capture card, network video servers DVS encoder, DVS decoder, network cameras IP cameras, high speed dome cameras, CCD mini cameras, dome cameras, camera board, alarm systems, wireless cameras
LEDSync820B is a powerful and high-performance LED front-end video image processing device. It supports the input of multiple kinds of video image signals, able to conduct high-quality image zoom processing, finally connected to LED display in .DVI full digital signal format. LED_Sync820B contains a special PAL/NTSC video deinterlacing processing chip and 1 high-performance format converting and image zoom processing chip. It can convert video image signal of different types, systems and formats such as DVI, RGB, HDTV, PAL/NTSC compound video and S-video into LED display in high quality, it is the most ideal front-end video image processing device for LED display. LED_Sync820B supports easy and consummate operations and adjustment, user can control signal shift in three methods, i.e. remote controller , control panel or RS_232. The setup of LED display windows, adjustment of video picture parameters can be easily realized by the supplied setup software of LED_Sync820B by user himself through RS_232 serial port. Unlike computer-based video capture card scheme, once setup and adjustment are finished, LED_Sync820B will immediately become a separately controllable video image processing play control device, very easy to use
Features Troubleshoot real-time: Analyze the trends using the cursors and zoom tools-even while background recording continues. Automatic Transient Mode: Capture 200 kHz waveform data on all phases simultaneously up to 6 kV Measure all three phases and neutral: With included four current probes System-Monitor: Up to ten power quality parameters on one screen according to EN50160 power quality standard View graphs and generate reports: With included analysis software Logger function: Configure for any test condition with memory for over 400 parameters at user defined intervals. Mains signaling: Measure interference from ripple control signals at specific frequencies Inrush mode: For troubleshooting nuisance circuit breaker tripping. AutoTrend: Every measurement you see is always automatically recorded, without any setup. Fully Class-A compliant: Conduct tests according to the stringent international IEC 61000-4-30 Class-A standard. Battery Life: Seven hours operating time per charge on NiMH battery pack High safety rating: 600 V CAT IV/1000 V CAT III rated for use at the service entrance • Comparing to online power quality analyzer, E6000 handheld type with small size, light weight, easy for the engineer to carry and carry out to survey work whenever and wherever. • Easy to wiring • It can operate directly to the line under test under the circumstances that the Power Grid without interrupt. • Multi-range current switching • based on actual demand, the different range of current clamp can be replaced to improve measurement accuracy. Applications Frontline troubleshooting - quickly diagnose problems on-screen to get your operation back online Predictive maintenance - detect and prevent power quality issues before they cause downtime Quality of service compliance - validate incoming power quality at the service entrance Long-term analysis - uncover hard-to-find or intermittent issues Load studies - verify electrical system capacity before adding loads Energy assessments - quantify energy consumption before and after improvements to justify energy saving devices. Specifications Measurement Items Be measured Type of measurement RMS Voltage Voltage RMS Current Current Frequency Deviation Frequency Three-phase Unblanced Voltage, Current Voltage fluctuations Voltage Flicker Voltage Harmonics and inter-harmonics, higher harmonic Voltage, current Power Active, reactive, apparent power factor Event log Transient pulse, the voltage rise, voltage sags, voltage interruption, the impact of current, frequency of abnormal Input parameter Measuring circuit 1P2W, 1P3W, 3P3W, 3P4W The fundamental frequency of the measuring circuit 50Hz/60Hz Number of input channels Voltage, current, 4 Measurement range Voltage Measurement Range: Nominal value: 100V, 230V, 400V, maximum 1000V Current measurement range: Depending on the current clamp, current clamp the output voltage signal, the maximum voltage: 10V peak Environmental security parameters Use of the environment 0 ° C to +45 ° C, humidity 90rh% Storage environment -20 ° C to +50 ° C, 95RH% humidity (non-condensing) Power input voltage +100VAC ~ +240VAC Electromagnetic Compatibility Level 3: GB / T 17626.2-2006 Electrostatic Discharge Immunity Level 3: GB / T 17626.3-2006 RF electromagnetic radiation the Immunity Level 3: GB / T 17626.4-2008 electrical fast transient burst immunity Level3: GB / T 17626.5-2008 surge (impact) Immunity Level 3: GB / T 17626.8-2006 frequency magnetic field immunity Level 3: GB / T 17626.9-1998 Pulse magnetic field immunity Level 3: GB / T 17626.12 -1998 Oscillatory waves immunity Environmental reliability GB/T 2423.1-2008 low temperature GB/T 2423.2-2008 high temperature GB/T 2423.4-2008 alternating hot and humid GB/T 2423.5-1995 impact GB/T 2423.10-2008 vibration GB/T 2423.22-2002 temperature changes Dustproof, waterproof IP20(GB 4208-93/IEC 529:1989) Security 500V/10M,2KV:GB/T 15479-1995 External interface parameters USB Device 1 The upload power quality data TF card to expand storage 1 Built-in capacity Optional, up to 8G Battery 1 4500mAh Ni-MH battery LCD 1 26 million color 5.6-inch LCD screen with a resolution of 640 * 480 Voltage and current measurement interface 8 Test voltage and current input port Frequency Measurement method 10 waveform (50Hz) the calculated frequency Display Display of a channel frequency value Measuring range / resolution 50.0000Hz/0.0001Hz Measurement bandwidth 42.5000~57.5000Hz Measurement accuracy ±0.001Hz 1/2 rms voltage 1/2 rms, current Measurement method Once every two cycle operations, a waveform operations per cycle to take 1/2 cycle Sampling Frequency 200K Measuring range / resolution 120V/0.01,230V/0.01,400V/0.01,Based on the use of current clamp Measurement accuracy 0.1% of the nominal voltage RMS voltage Measurement method 10 waveforms (50Hz) the operator Display Per channel RMS voltage Sampling Frequency 200K Measuring range / resolution 120V/0.01,230V/0.01,400V/0.01 Measurement accuracy 0.1% of the nominal voltage RMS voltage Measurement method 10 waveforms (50Hz) the operator Display Current per channel RMS Sampling Frequency 200K Measuring range / resolution Based on the use of current clamp Measurement accuracy 0.1% of the nominal voltage Harmonic voltage, harmonic current Measurement method According to IEC61000-4-7, the magnitude of the analysis window 10 cycles Window points Every 10 cycles of 5120 points Display Histograms, tables Sampling Frequency 200KHz Number of measurements 0~50 Measuring range / resolution 120V/0.01,230V/0.01,400V/0.01 Measurement accuracy voltage harmonics greater than 1% of the nominal value: Error is less than 1% rdg voltage harmonics less than 1% of the nominal value:Error is less than 0.05% rdg the nominal voltage current harmonics greater than 3% of the nominal value: the error is less than 1% edg current harmonics is less than 3% of the nominal value:Error is less than 0.05% of the nominal voltage interharmonic voltage interharmonic current Measurement method According to IEC61000-4-7, the magnitude of the analysis window 10 cycles Window points Every 10 cycles of 5120 points Display Form Sampling Frequency 200KHz Number of measurements 1~16 Measuring range / resolution 120V/0.01,230V/0.01,400V/0.01 Measurement accuracy voltage harmonics greater than 1% of the nominal value: Error is less than 1% rdg voltage harmonics less than 1% of the nominal value:Error is less than 0.05% rdg the nominal voltage current harmonics greater than 3% of the nominal value: the error is less than 1% edg current harmonics is less than 3% of the nominal value:Error is less than 0.05% of the nominal voltage High harmonic voltage, high harmonic currents Measurement method Every 10 cycles of 5120 points Window points Every 10 cycles of 5120 points Display Form Sampling Frequency 200KHz Number of measurements 1 to 35 group Measuring range / resolution 120V/0.01,230V/0.01,400V/0.01 Measurement accuracy voltage harmonics greater than 1% of the nominal value: Error is less than 1% rdg voltage harmonics less than 1% of the nominal value:Error is less than 0.05% rdg the nominal voltage current harmonics greater than 3% of the nominal value: the error is less than 1% edg current harmonics is less than 3% of the nominal value:Error is less than 0.05% of the nominal voltage Active power, reactive power, apparent power Measurement method Active power: 10 cycles computing Apparent power: Valid values of voltage and current operations Reactive Power: apparent power, active power is calculated Display Real-time data display Sampling Frequency 200KHz Measuring range / resolution Determined based on the voltage and current range Measurement accuracy ±0.5%rdg Power Factor Measurement method Rms, current rms voltage, active power is calculated Display Real-time data display Sampling Frequency 200KHz Measuring range / resolution -1.0000~1.0000 Measurement accuracy ±1%rdg Voltage unbalance, current unbalance (negative and zero sequence) Measurement method when 3-phase 3-wire or 3-phase 4-wire, calculate by three-phase fundamental ingredients Display Voltage unbalance current imbalance Sampling Frequency 200KHz Measuring range 0.00%~100% Measurement accuracy Voltage unbalance: ± 0.5% Current imbalance: ± 0.5% Voltage fluctuations Measurement method Half-wave to calculate the mean square Display The fluctuation trends, real-time values of voltage fluctuation Sampling Frequency 200KHz Measuring range 0.00%~100% Measurement accuracy ±1% IEC Flicker Measurement Item The short flicker (PST), long flicker (Plt) Measurement method According to IEC61000-4-15 10 minutes PST continuous measurement, continuous measurement and calculation 2 hours Plt Display The flicker trends, Pst value, Plt Measuring range 0~20 Measurement accuracy ±5% The impact of current Measurement method Half-wave rms current exceeds the set value of the positive impact of current Display The impact of current waveform, the impact of the current maximum Measurement accuracy 0.10% Measurement method Temporary swell: half-wave rms voltage positive direction exceeds a set value, it is determine as Temporary swell temporary sag: Valid values are negative direction exceeds a set value, determine as temporary sag Short interruptions: half-wave RMS voltage exceeds the set value in the negative direction, the decision for an instant interrupt Display Temporary swell, sag, short interruptions waveform duration, amplitude etc. Measurement accuracy 0.10% Temporary swell, sag, short interruptions waveform duration, amplitude etc
