Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
TH3411/TH3421/TH3422 is the use of professional phase-locked loop frequency doubling synchronization technology, multi-channel synchronization source signals can be selected, equipped with an embedded operating system, making the human-computer interaction interface is more flexible and stable, and its (0.15% readings + 0.2% range + 1 word) the basic accuracy of the test, the conventional test 7 times the speed of the test, DC/45Hz- 420Hz frequency range can meet most of the power system measurement requirements in the market, standard with harmonic analysis function, for industrial frequency signals can test the maximum 50th harmonic components.
Supports rich external interfaces, for RS232/RS485 serial communication, provides standard SCPI command parsing and ModBus command parsing protocol optional, which greatly enriches the programming needs of automation system.
The comparison output functions provided provide a powerful tool for design, inspection, quality control and production testing of a wide range of source and load devices.
The simple waveform display and vector graph display can effectively assist in analyzing the characteristics and abnormalities of the input signal.
U-disk recording of test data for easy statistical analysis of test results.
Functional Features
A. Free display of multi-channel tests
B. Flexible test parameters for the main test page
Double-click the corresponding display area to bring up the setting menu.
C. Comparative functions
Comparison outputs for 8 comparison channels with programmable output methods;
The simple and intuitive comparison display makes the comparison results clear at a glance and shows the current relay switching status of the corresponding output interface;
The comparison parameters for each comparison channel can be set arbitrarily.
D. Harmonic analysis
The analysis parameters are controllable, providing list display and bar graph display.
E. Waveform display
Provides waveform display functions for basic input signals and waveform display for integrated power.
F. Vector display
Provides a vector diagram display of the input signal, which can visualize the symmetry relationship of the input signal and the information related to the size of the phase offset.
G. Help system
The more extensive help system is a good way to help users familiarize themselves with this machine.
If you select the wire system combination, there is a wire system corresponding to the schematic wiring diagram, you can directly to the wiring can be, free of wiring trouble;
The help system embedded in the instrument can pop up the help information of the specified chapter by long-pressing the button control that needs help when it is needed for operation, and it can also be opened directly under the toolbar set by the system, and browsed freely according to the index of the catalog.
H. Software upgrades
Provides flexible software upgrade control, which makes the post maintenance of software stable and reliable.
| model number | TH3421 | TH3422 | |
| channel number | 4 | 4 | |
| monitor (computer) | 7-inch (800*480) color TFT resistive touch screen | ||
| Wiring Method | One-phase two-wire (1P2W) One-phase three-wire (1P3W) Three-phase three-wire (3P3W) Three-phase four-wire (3P4W) Three-voltage three-current (3V3A) | ||
| fundamental characteristic | AC | R | R |
| DC | R | R | |
| Precision | R | R | |
| microcurrent | £ | R | |
| harmonic analysis (physics) | R | R | |
| Electrical energy testing | R | R | |
| Display mode | digital | R | R |
| Points data | R | R | |
| waveform figure | R | R | |
| vector analysis (math.) | R | R | |
| histogram | R | R | |
| Basic accuracy (one year) | |||
| input voltage | accurate | 0.15% reading + 0.2% range + 1 word | |
| resolution (of a photo) | 0.01V | ||
| amps | DC, 45~75Hz | ± (0.151 TP3T reading + 0.21 TP3T range + 1 word) | |
| 75~420Hz | ± (0.31 TP3T reading + 0.21 TP3T range + 1 word) | ||
| resolution (of a photo) | 0.01mA | 0.001mA | |
| importation | |||
| input voltage | range (of scales or measuring equipment) | 5V-75V/150V/300V/600V | |
| resolution (of a photo) | 0.01V | ||
| Input Impedance | 3MΩ | ||
| Allowable Maximum Input | 1000V (1S) | ||
| 700V (continuous) | |||
| Maximum display | Range *110% | ||
| amps | range (of scales or measuring equipment) | 10mA/30mA/100mA/400mA | 1mA/3mA/10mA/40mA |
| Input Impedance | 200mΩ | 2Ω | |
| range (of scales or measuring equipment) | 1.5A/5A/20A | 150mA/500mA/2A | |
| Input Impedance | 4mΩ | 40mΩ | |
| minimum resolution | 10μA | 1μA | |
| Allowable Maximum Input | 40A (1S) | 4A (1S) | |
| 30A (continuous) | 3A (continuous) | ||
| Maximum display | Range *110% | ||
| power (output) | realm | 5mW-12kW | 0.5mW-1.2kW |
| minimum resolution | 0.01mW | 0.001mW | |
| frequency | realm | Base frequency range: DC/45Hz-420Hz, bandwidth: 21kHz, filter 5kHz | |
| minimum resolution | 0.01Hz | ||
| power factor | realm | -1.000-1.000 |
| minimum resolution | 0.001 | |
| harmonic analysis (physics) | ±(5% reading + 0.3% range) | |
| electric energy integral | realm | 0-99999kWh |
| resolution (of a photo) | 0.001Wh | |
| accurate | ±(0.2% reading + 0.3% range) | |
| Electricity Timing | realm | 0-9999:59:59 |
| resolution (of a photo) | 1s | |
| accurate | ±0.05% | |
| Measurement speed | Approx. 7 times/s, harmonics/waveform function on: 4 times/s | |
| lockout function | data lock | |
| Measurement range | Auto/Manual | |
| Input Impedance | ≥3MΩ (Voltage input) | |
| comparator | Over-limit acoustic and optical alarms. | |
| exports | 8 programmable relay outputs | |
| Measurement Auxiliary Functions | ||
| Data buffer storage function | Test results can be stored on a USB flash drive and can be statistically analyzed on a PC. | |
| Save/Load function | Setting data saving is divided into measurement parameter setting and system parameter setting. | |
| Keyboard lock function | Lockable front panel buttons and touch screen operation, effectively preventing misoperation | |
| Communications and interfaces | serial communication | RS232C/RS485 either way, need to be pre-installed before delivery |
| USB HOST | Universal Serial Bus socket, Class A; FAT16/FAT32 format. USB flash drive storage or specified wireless network card (WIFI support)
RTL8192 and MT7601) and other device support |
|
| USB DEVICE | Universal Serial Bus socket, small Class B (4 contact positions); USBTMC-USB488 and USB 2.0 compliant, female connector for connection to external controllers. Available in CDC mode or TMC mode. | |
| LAN | 10/100BaseT Ethernet, 8-pin, stable communication. | |
| HANDLER | Result output for comparing signals | |
| communication interface | USB DEVICE, USB HOST, LAN, HANDLER, | |
| stockpile | USB waveforms, setup files | |
| power supply (of an appliance etc) | AC220V±10%, 50/60Hz±5%, soft power switch | |
| volumetric
(WxHxD) |
working size | 236mmx154mmx475.5mm (including jacket) |
| Shelf Size | 215mmx132mmx441mm (WxHxD) | |
| weights | 8.1kg | |
■ Number of channels: 4
■ Test voltage: 5-600V, resolution: 0.01V
■ Test current: 0-20A, resolution: 10uA
■ Test power: 5mW-12kW, resolution: 0.01mW
■ AC and DC testing
■ High stability and consistency: phase-locked loop frequency doubling synchronization control and power supply synchronization setting
■ Wideband input: 45Hz-420Hz, suitable for most power systems on the market
■ Embedded system: equipped with an embedded operating system, human-computer interaction is more flexible and friendly.
■ Comparison function: Provides 8 comparison channels of comparison output, and the output mode is programmable.
■ Harmonic analysis: controllable analysis parameters, list display and bar chart display
■ Waveform display: input signal waveform/integrated power waveform
■ Vector display: Vector diagram display of the input signal
■ Flexible energy integration control: provides continuous time control and manual control of energy accumulation.
Run and stop operation of points
■ High-resolution display: 7-inch 800 × 600 resolution touch screen, support for mouse operation
■ Display screenshot function
■ File storage: a more powerful file system, compatible with most of the use of U disk
■ Protocols: SCPI Command Set and ModBus Command Explanation
■ Motors, transformers
▪ Electronic production design
▪ Lighting
▪ Aerospace military
■ Network communications
▪ Audio-visual equipment
▪ Surveillance equipment
■ Simulation of power supply specifications for various countries around the world
■ Electromagnetic compatibility equipment
Power supply equipment: AC power supply, DC power supply, linear power supply, switching power supply, as well as frequency converter and other sources of output equipment, electrical parameter test analysis
■ Load equipment: various types of household appliances, industrial appliances, various electronic loads and other electrical equipment, electrical parameter test analysis
