Changzhou Tonghui Electronic Co., Ltd,
| Accuracy | ±0.5% |
| Data Output | USB/RS232 |
| Data Storage | 1000 groups |
| Display | LCD |
| Humidity | ≤85%RH |
| Input Impedance | ≥100MΩ |
| Material | ABS |
| Measurement Range | 0-100A |
| Name | Power Meter |
| Operating Temperature | -10℃~50℃ |
| Power Supply | AC/DC |
| Sampling Rate | 2 times/s |
| Size | 120mm*80mm*30mm |
| Storage Temperature | -20℃~60℃ |
| Weight | 200g |
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Product Specification
| Accuracy | ±0.5% | Data Output | USB/RS232 |
| Data Storage | 1000 groups | Display | LCD |
| Humidity | ≤85%RH | Input Impedance | ≥100MΩ |
| Material | ABS | Measurement Range | 0-100A |
| Name | Power Meter | Operating Temperature | -10℃~50℃ |
| Power Supply | AC/DC | Sampling Rate | 2 times/s |
| Size | 120mm*80mm*30mm | Storage Temperature | -20℃~60℃ |
| Weight | 200g | ||
| High Light | ac dc power monitor ，dc current meter ，dc digital meter | ||
Channel combination: optional 3/4 channels
AC and DC test
High stability and consistency: adopt phase-locked loop frequency multiplication synchronization control and power synchronization setting
High resolution display: 7-inch 800×600 resolution touch screen, support mouse operation
Display screenshot function
Broadband input: 45Hz-420Hz, suitable for most power systems on the market
Embedded system: equipped with embedded operating system, human-computer interaction is more flexible and friendly
Comparison function: provide comparison output of 8 comparison channels, and the output mode is programmable
Harmonic analysis: controllable analysis parameters, providing list display and bar graph display
Waveform display: input signal waveform/integrated power waveform
Vector display: vector display of input signal
Flexible energy integration control: provide continuous time control and manual control the running and stopping of energy integration
File storage: relatively powerful file system, compatible with most U disks
Protocol: SCPI instruction set and MODBUS instruction analysis
Power supply: AC power supply, DC power supply, linear power supply, switching power supply, inverter
New energy: solar batteries, new power cars, electric bicycles
| Model | TH3421 | TH3422 | ||||
| Number of channels | 4 | 4 | ||||
| Display | 7 inch (800x480) color TFT resistive touch screen | |||||
| Wiring mode | 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) | |||||
| Basic features | AC/DC | √ | √ | |||
| Precision type | √ | √ | ||||
| Micro current | NA | √ | ||||
| Harmonic analysis | √ | √ | ||||
| Electric energy test | √ | √ | ||||
| Display mode | Data | √ | √ | |||
| Integration data | √ | √ | ||||
| Waveform graph | √ | √ | ||||
| Vector analysis | √ | √ | ||||
| Histogram | √ | √ | ||||
| Basic accuracy | 0.15% reading + 0.2% range + 1digit | |||||
| Voltage | Range | 5V-75V/150V/300V/600V(Input impedance:3M) | ||||
| Resolution | 0.01V | |||||
| 10mA/30mA/100mA/400mA Input impedance:200m) |
1mA/3mA/10mA/40mA Input impedance:2) |
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| Current | Range | 1.5A/5A/20A Input impedance:4m) |
150mA/500mA/2A nput impedance:40m) |
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| Minimum resolution | 10A | 1A | ||||
| Power | Range | 5mW-12kW | 0.5mW-1.2kW | |||
| Minimum resolution | 0.01mW | 0.001mW | ||||
| Frequency | Range | Fundamental Frequency range:DC/45Hz-420Hz Bandwidth:21kHzfilter 5kHz Minimum resolution |
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| Minimum resolution | 0.01Hz | |||||
| Power factor | Range | -1.000-1.000 | ||||
| Minimum resolution | 0.001 | |||||
| Harmonic analysis | ±(5% reading+0.3% range) | |||||
| Energy | Range | 0-99999kWh | ||||
| integration | Resolution | 0.001Wh | ||||
| Accuracy | ±(0.2% reading+0.3% range) | |||||
| Energy | Range | 0-9999:59:59 | ||||
| timing | Resolution | 1s | ||||
| Accuracy | ±0.05% | |||||
| Measuring speed | about 7 times/s,harmonic/waveform function is ON: 4 times/s | |||||
| Lock function | ||||||
Company Details
Business Type:
Manufacturer
Year Established:
1994
Total Annual:
10000000-100000000
Employee Number:
500~1000
Ecer Certification：
Active Member
Overview Changzhou Tonghui Electronic Co. Ltd. was founded in 1994. It is a provincial high-tech enterprise integrating R&D, manufacturing and marketing. It is located in the National Development Zone – Changzhou Hi-tech Industry Development Zone with super... Overview Changzhou Tonghui Electronic Co. Ltd. was founded in 1994. It is a provincial high-tech enterprise integrating R&D, manufacturing and marketing. It is located in the National Development Zone – Changzhou Hi-tech Industry Development Zone with super...
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